Home

NocrdzeeWind - Commissiemer.nl

1. Generator e Frequency converter Brake system e Hub height 2750 kW 960 V 670 V 92m 6648 m 15 6 rpm PRVS Pitch Regulated Variable Speed Doubi fed asynchronous water cooled IGBT PWM frequency converter Individual blade pitch with back up batteries disk brake on motor shaft 77 6 m and 80 m TIC 726 003 GB Date 24 01 2003 Operation Manual NM80 amp NM92 Page Editor PKR MBN Approval sign MBN 41 of 59 eeo 3 3 Wind Turbine Component Overview Blade Nacelle cover Obstruction lights E Ne 7 Hub Anemometer Vindvanes amp ee Cooler Service Crane Generator Disk Brake Gearbox Main shaft Control panel Machine frame Yaw system Main bearing TIC 726 003 GB Operation Manual NM80 amp NM92 Page Date 24 01 2003 Editor PKR MBN Approval sign MBN 42 of 59 3 4 Control System The TAC controller is the central control unit or the main controller in the wind turbine Its primary purpose is to ensure that turbine s mechanical components are not subjected to any excess strain whatever the operating conditions To achieve this the main controller must monitor wind speed wind direction temperature pressure speed of rotation blades angle current voltage etc The monitor value measurements are gathered via the converter controller the hub controller and two input output modules called TOIT and TOK An important para
2. Keyboard The keyboard is designed with pushbuttons to operate in the menu system numerical buttons arrow buttons enter button and push bottoms to overall operation command to the main controller start stop reset yaw buttons The following table gives a brief description of the keyboard Numeric buttons Arrow buttons Enter Yaw buttons The numeric buttons is used for changing parameter values in the controller e g date time parameters etc There are four arrow keys on the front panel lt gt and These buttons are used to move through the menu system There is an accelerator on these buttons in long menus i e if an arrow button is held down the view in the menu will scroll faster and faster up or down through the menu Pressing this button lt moves the cursor one space to the left or change the view to a higher level in the menu system Pressing this button 1 moves the cursor one space up in the menu system or in the current menu Pressing this button gt moves the cursor one space to the right or moves the user to a lower level in the menu system Pressing this button moves the cursor one space down in the menu system or in the current menu The Enter button is used for confirming the parameters entered by means of the numeric buttons and for starting or stopping the various test functions see Service menu These two buttons are used for manual yawing Manual yawing is start
3. 0 5 km are registered with a time stamp In the case of lightning strike in the tower construction in which the lightning detector is mounted a relay signal is immediately emitted as an indication of lightning strike In the case of a direct strike in the vicinity of the tower construction no indication will be given Nor will disruption to the 230 V supply trigger an indication The lightning detector registers both weak and very strong strikes In the case of error in the power supply the lightning detector will continue to register lightning strikes and save this information until full power supply is restored and the relay signal can be released The power supply is monitored and in case of error a relay signal is emitted TIC 726003 GB Operation Manual NM80 amp NM92 Page Date 24 01 2003 Editor PKR MBN Approval sign MBN 36 of 59 Gre AEGON The lightning detector system fulfils all relevant EU norms and Danish regulations including the Heavy Current Order the Low Voltage Directive and EMC Park communication is done optically and will not send transients to other turbines TIC 726003 GB Operation Manual NM80 amp NM92 Page Editor PKR MBN Approval sign MBN 37 of 59 Date 24 01 2003 Gee DECON 4 Operation of controller To describe the controller user interface the description is split into three sections keyboard display and operator panel 4 1
4. 24Vde 144 Frequency converter panel in tower These contain all the power electronics together with contro equipment for the frequency converter for the generator rotor circuit TIC 726003 GB Operation Manual NM80 amp NM92 Page Date 24 01 2003 Editor PKR MBN l Approval sign MBN 30 of 59 ee AMICON 1 1 2 Control panel in nacelle The cabinet includes the components necessary for controlling the units located in the nacelle and for receiving signals from them The cabinet contains an operating panel allowing the wind turbine to be operated from the nacelle during servicing See illustration of nacelle control panel below Main voltage 3x400 N Vac Control voltage 230 Vac 24Vde Control panel included the TOI 2 and the operator panel OP for remote control the main controller in the tower base 4 4 3 Controller panels in rotor hub There are four panels for controlling the pitch system one main control panel and three identical blade panels The main control panel contains a 3 axis controller which communicates with the main turbine controller TAC I computer via an RS485 serial link The 3 axis controller receives pitch position and rate demands from the TAC H computer and generates individual analogue velocity demands for the pitch drives for each blade In addition to the 3 axis controller the main control panel has a battery charger for charging the emergency st
5. 3 8 6 Grid monitoring The turbine is connected to the grid trough an autotransformer with three voltage levels I WTG own consumption 400V 2 Rotor connection via converter 640V 3 Stator connection 960V The figure below is a rough sketch of the electric part of the WTG The frequency converter system is marked with a dotted line Doubly fed Stator induction Stator CB contactor generator a Stator Stator i current voltage i FEN EN uN HE Gonverter 1D sg Auto Main CB see I Rotor Frequency converter system I p I contactor i l i l 10 20kV Gav Rotor Rotor I current voltage 400V wie D consumption 50 100kW WTG WTG consumption consumption surrent voltage The 960V measurements Stator current and Stator voltage and the 640V measurements Rotor current and Rotor voltage the converter controller uses to calculate the active and reactive power P_generator and Q generator The 400V measurements WTG consumption current and WTG consumption voltage the main controller uses to calculate the WTG own consumption active and reactive power P consumption and Q consumption The main controller has three processors one of which exclusively monitors and measures grid conditions on the WTG own consumption line To perform this task the processor uses an A D converter with six analog input channels and a digital signal
6. NM92 Page E Date 24 01 2003 Editor PKR MBN Approval sign MBN 5 of 59 Que ATON 1 General Information 1 4 The wind turbine generator An NEGM wind turbine generator is a mechanical plant functioning as a power station and supplying electricity to the electricity grid It is vital for safety that the plant is handled correctly and in accordance with this manual Compliance with the manual s rules and instructions will ensure the plant a long service life and the minimum operating and maintenance costs NEGM s operating and control manual must be read carefully before operating the control system mounting the tower or maintaining the plant The safety regulations described in the next chapther must also be read and followed scrupulously 1 2 Liability and guarantee The turbine owner has general responsibility for the operation and safety of the plant and must prevent all risks of the grid being brought down by its operation Normally the owner will cooperate with NEGM s Servicing Department over this on the basis of a Servicing Contract If major renovation work or the replacement of large parts is to be carried out after the expiry of the guarantee or servicing period the owner must contact NEGM s Servicing Department It must be borne in mind that detailed knowledge of and experience with lifting equipment weights and the weight distribution of the different components is necessary in order to avoid accidenta
7. all the turbine s functions It is possible to control the turbine remotely from a PC The main controller collects and stores vital data about the wind turbine This data can be downloaded via the serial communication channels or via modem and can then be used in analyses Remote control of the turbine and any such downloading of data require access to a special software program This software is available on request from NEG Micon Turbine control system is distributed all over the turbine The operation panel and the main panel are placed at the same level The turbine controller contains several components The most central controller components are described in chapter regarding controller panels The connection between the controller components is described in the following figure TIC 726003 GB Operation Manual NM80 amp NM92 Page Date 24 01 2003 Editor PKR MBN Approval sign MBN 43 of 59 Clemo Hub Nacelle Nacelle Tower bottom Fiber RS422 485 Converter controller fiber conv CAN open vo If a sensor measures values outside the selected operating parameters the computer immediately shuts down the turbine The cause of the operational stop is shown as text on the control system display For many of the possible error types an automatic start up procedure is accepted once the operating parameters are normal again For
8. are bolted with flange joints At each point where the tower is joined platform is inserted for inspection and tightening of tower bolts The top platform gives a convenient standing height under the yawing system From here there is internal access to the nacelle Access to the tower is through a lockable door at the base Below the door platform the high voltage ransformer is placed directly on the foundation concrete At the door platform the MV switchgear is placed as well as a turbine control panel for remote control of the turbine control system in the nacelle At the first platform the power panel is placed And at the second platform the frequency converter is mounted The ladder is of aluminium and is in one piece right from the base of the tower to the top platform under the yawing system It is fitted with a fall protection system mounted on the centre of the ladder rungs The tower wall and the ladder fittings act as a back hoop The tower can be equipped with a lift The lift will end just below the tower dampers at the tower top The tower and nacelle are lit by light fittings There are also power sockets for tools etc A dehumidification device is installed at the base of the tower to control the internal climate This ensures a good internal climate effectively protecting the tower and bolt assemblies from corrosion whatever the outside conditions Two types of offshore foundation are applicable for this
9. calls are to be made using tones or pulse The above parameters also apply to com 2 i e communications channel number 2 Insofar as communications channel number 3 is concerned the following two changes apply CCITT or BELL The standard of the telecommunications network Echo control Used in turbines that communicate through fiber Type 1 to ignore the echo This menu is used when the turbine is set up in a park where the turbine has to communicate with the park master turbine or a park PC Set communication links com1 Com to com2 Transfer of all data that is received on communications port I to communications port 2 Coml to com5 Transfer of all data that is received on communications port I to communications port 5 Com to com Transfer of all data that is received on communications port I to communications port 6 Com to menu Transfer of all data that is received on communications port I to the TAC menu Com to com Transfer of all data that is received on communications port 2 to communications port I Com to coml Transfer of all data that is received on communications port 5 to communications port 1 Com6 to com Transfer of all data that is received on communications port 6 to communications port TIC 726003 GB Operation Manual NM80 amp NM92 Page Date 24 01 2003 T Editor PKR MBN Approval sign MBN 47 of 59 Pre BRECON Se
10. higher rotational speed The yawing bearing is expected to undergo approx 10 000 rotations during the lifespan of the wind turbine 3 19 13 Tower The lightning current is conducted down through the tower The tower itself is used as conductor Joints between tower sections are zinc coated giving good metallic contact all the way round 3 19 14 Earthing system The earthing device system earth is executed as a foundation earth The volume of the foundation compared with the specific resistance of earth means that the expected transition resistance to neutral carth for cach foundation will be less than 2 ohm System earth is executed as a TN S system The TN S system has a point in the supply system the power transformer s star point connected directly to earth while exposed parts of the wind turbine are also connected to earth Throughout the whole installation the TN 5 system has separate neutral and earth conductors All protection conductors are as a minimum dimensioned and marked in accordance with the prescribed norms in the Directive for Electrical Installations and Machinery which also refer to 439 1 low voltage panels 3 19 15 Medium voltage piant The power transformer has a lightning arrester on the high voltage side 3 19 16 Control system Reference is made to section Total concept for lightning protection of wind turbine A lightning strike detector of a make such as Jomitek is also fitted Lightning strikes over
11. in tower base There is no difference in using the interface at the main controller in tower base and the interface at the control panel in the nacelle 4 3 1 Panel configuration An operation panel is located in the turbine nacelle making it possible fo control the turbine from the nacelle The operation panel has the same keyboard and display as the main controller The communication between the TAC and the operation panel is via fiber optic cables The Localmenu is activated by switching a random DipSwitch ON The panel will show the LocalMenu on the Display The display will scroll when line 5 is displ yed TIC 726003 GB Operation Manual NM80 amp NM92 Page Date 24 01 2003 Editor PKR MBN Approval sign MBN 39 of 59 ec aticone Line I Program number 1999159 Rev 01 04 16 Line 2 ID Number Key 0 9 00000011 Line 3 Protocol Mode Key left right DCEO Line 4 Baudrate Key left right 19200 English __ Default OP settings Line I shows program number and revision date This line is only for information Line 2 shows the operating panel OP ID number When using the DCE3 Protocol make sure that the OP ID amp the TAC ID are identical Otherwise the TAC and the OP will not communicate The ID number is typed in using the keys 0 9 The Enter key saves the selected ID number The ID number can consist of max 8 digits Line 3 shows the selected Protocol Mode Select ei
12. ocen enneneene eneen eenseenvenenesersnnenenennnenerenrennsenservenennnen 36 9 16 Control system nennen eneen enenenvenenenenenseneneensenveneetentenrdeneensaesnenenteesennenn enen 36 4 Operation of controller nnee oerneenen venen ensnn eneen vent enenveneeneesvenrensrevenrnenensnernendennneardnnn sen 38 44 Keyboard occ cceree eee cececeeeteeeeeetscaesecesacesecesesiesssansnsuesisseeeeecicceseesesesecsecssusteseesesireasirecseeneneeets 38 42 Display 4 3 Operator panel 4 3 1 Panel configuration 44 Operation box 441 Emergency Switch o oo ce ccecccceceeesereceeneeeseasrecereenansrensnsenesasirsessaensesenssiasessiecneseeneetienes 442 Yaw switch ccccceccecccccecccccereneeeverenecseneesenssaevnecaenecceteeeateeessseeeessetsecsescaseassessarseenesesnesessaeeteoes 41 5 _ Description of menu System scenes enneveneenenvenenseenevareenvenernennrneeen sense rndeneneerrnnenn 42 5 1 Status MENU nennen eneen rient nni teerde eenenenenverneenenerveneneneneenenven EEEE EE REAMEES eene venenennn 42 5 2 Grid MENU nennen ensen eneeernnevervenvenvenvenenn evene EAET AAEE EE ARENAS enn venen eeenenenennnnenonsenenenensenenenneennen 43 5 3 Operation counters nnee eneen enen ENAS evene ensenneneneneeneneneenenennenenennenendensenrennnenn seen 43 5 4 User parameters 5 4 1 Set user parameter 46 542 Set datetime nen nvenevennener ener vereeneeeenveneenensenvenenn evene onsen rsr venenennennnenesensersevenen 46 543 Set communication protoco
13. other errors a manual restart is necessary using the control system or via remote control In some situations it may be necessary to adjust or replace parts in the nacelle before the unit can be restarted Other areas of measurement not described here are located in the turbine control heavy current section where there are motor protection checks and checks on fuses relays and contacts NOTE Read Chapter 4 in this manual for more specifics on controller operation TIC 726 003 GB Operation Manual NM80 amp NM92 Page Date 24 01 2003 Editor PKR MBN Approval sign MBN 44 of 59 Que BACON 35 Turbine monitoring system The main controller measure different turbine states variables via the two TOY s the converter controller the hub controller and the main controller it selves The description of the states is grouped by types temperatures pressures grid measurements rotational speed etc The following section describes the variables 3 5 1 Temperature monitoring During operation the controller monitors a number of turbine temperatures Max min values of these temperatures are stored in the controller The temperature measurements are used for controlling subparts of the turbine like pumps valves motors etc The temperatures are also used for troubleshooting i e the controller stops the turbine if one of the important temperatures exceeds or drops below a threshold values If the alarm is on aut
14. phases The frequency is measured continuously on one of the phases The frequency values measured are stored and averaged using different factors Frequency measuring is among o her things used to stop the turbine in case of high frequency or low frequency TIC 726 003 GB Operation Manual NM80 amp NM92 Page Date 24 01 2003 Editor PKR MBN Approval sign MBN 18 of 59 Gee SRECO 3 6 Power drive and control The electrical power drive system used in NM80 92 2750 is a double fed asynchronous generator and a frequency converter The frequency converter is connected to the generator rotor through slip rings The frequency converter can control the electromagnetic torque by acting on the electromagnetic field and the rotor current As the frequency converter controls the electromagnetic field in the generator the reactive power can also be controlled Regulating the pitch angle of the blades and the generator torque controls the speed of the turbine Filters are built in to meet utility requirements regarding harmonic currents and voltages Prior to grid connection the generator is energized trough the rotor circuit to completely eliminate current surges In the figure below is seen a sketch of a double fed system The Power range for the turbine is 0 2750 kW within a voltage variation of 10 frequency variation of to 3 and power factor from 0 9 inductive to 1 P Mech s P S
15. processor for the calculations of the various signals The converter measures the grid condition at the grid side of the converter and the stator side of the generator to secure the converter and the generator The grid data measured can be divided into the following groups TIC 726 003 GB Operation Manual NM80 amp NM92 Page Date 24 01 2003 Editor PKR MBN Approval sign MBN 17 of 58 Oromo Voltage Current Frequency Voltage is measured continuously on all three phases The values RMS phase to ground measured are stored and averaged using different averaging times Voltage measurements current and power factor are used to calculate turbine production and internal consumption Voltage measurements are further used to stop the turbine in case The current is measure are stored and average measuring of voltage a and auxiliary consump of over voltage or under voltage d continuously on all three phases The values measured using different averaging times Current measuring and re among other things used to calculate turbine production ion During operation when the generator is connected to the grid the current measurements are also used to monitor whether the load is symmetric in all three phases If asymmetry is too high between the three phases the turbine is stopped and an alarm message is displayed The current measuring is further used to moni or failures of one or several
16. saves a snapshot of a fixed series of values At the moment the alarm occurs the following values are logged Rotor speed RPM Rotational speed of the rotor Generator speed RPM Rotational speed of the generator Windspeed left l sec averaged wind speed signal for the wind sensor I left Windspeed left avg I min min averaged wind speed Windspeed left avg 10 min 10 min averaged wind speed Windspeed right Windspeed right avg I min I sec averaged wind speed signal for the wind sensor 2 right I min averaged wind speed Windspeed right avg 10 min 10 min averaged wind speed Winddir left i sec averaged wind direction yaw fault signal from the wind sensor I left Winddir left avg I min 1 min averaged wind direction Winddir left avg 10 min 10 min averaged wind direction Winddir right l sec averaged wind direction yaw fault signal from the wind sensor 2 right Winddir right avg I min l min averaged wind direction Winddir right avg 10 min 10 min averaged wind direction Cable twist counter Cable twist counter relative to untwist center Nacetle position Nacelle position direction relative to geographic north Gear oil pressure Gear oil filter pressure Pressure of gear oil before gear inlet Difference in pressure before and after oil filter Shaft brake pressure Pressure in the shaf
17. turbine A mono pile foundation or a traditional concrete foundation On the mono pile solution an outside access platform is welded to the foundation steel section On the concrete solution the foundation it selves serves as a platform TIC 726 003 GB Operation Manual NM80 amp NM92 Page Date 24 01 2003 Editor PKR MBN Approval sign MBN 33 of 59 re BAIZON 3 19 Lightning protection 3 19 1 Total concept for lightning protection of wind turbine To assess possible strike points on the NM80 92 2750 wind turbine the Rolling Sphere method is used An imaginary sphere is rolled over the wind turbine Wherever the sphere touches the wind turbine lightning strike is possible The method takes into consideration the fact that lightning does not always strike the highest point The diameter of the imaginary sphere is determined by the desired protection level Here protection level 1 is applied the strongest under IEC 61024 At protection level the radius of the imaginary sphere is 20 m All points which the sphere can touch on the wind turbine are possible strike points and are called lightning protection zone 0 Within lightning protection zone 0 components must be able to withstand a direct lightning strike Components in lightning protection zone 0 must be able withstand the full lightning current set for offshore turbines at 200 kA 10 350 us In the areas in which the imaginary sphere forms shadows ther
18. used by the turbine manufacturer to establish whether there are any extreme temperatures that may adversely affect turbine service intervals 3 5 2 Pressure monitoring The controller continually monitors a number of pressures in the turbine These pressures control the operation of the pumps and are used to monitor the turbine s operating condition Any pressure reading outside the permitted levels will result in the turbine being stopped and an alarm message showing what detected alarm The following pressure readings are taken 1 Pressure gear oil 2 Pressure gear oil filter 3 Pressure shaft brake 4 Pressure yaw brake 3 5 3 Humidity monitoring The controller measure relative humidity RH in the turbine The level of RH is important for safety of the turbine The controller measure the humidity at the following locations 1 Humidity tower base 2 Humidity nacelle 3 5 4 Blade monitoring The hub controller constantly monitors the angle of the blades The blades must always have a position determined by the main controller the TAC which sends a constant flow of information regarding the desired position to the hub controller The hub controller acts like a servo by following the position demanded from the main controller If the blades do not turn as required the turbine will be stopped and an alarm is triggered Alarms detected in hub are transferred to the main controller which handles further alarm sequencing i
19. yaw system It is possible to move the box around the nacelle This is used for example during maintenance work The operation box has two switches an emergency stop and a manual yaw switch for clockwise and counter clockwise yawing 4 41 Emergency switch The emergency button on the operation box is connected to the emergency line If this push button is activated the turbine will perform an emergency stop 44 2 Yaw switch The yaw switch has three positions yaw CCW yaw CW and neutral spring released position If the yaw switch is turned as indicated in the figure below at left the turbine will yaw counter clockwise When the switch is released the switch automatically turns to the natural position Similar action for yawing clockwise YAW Neutral position VAW CW TIC 726 003 GB Operation Manual NM80 amp NM92 Page Date 24 01 2003 Editor PKR MBN Approval sign MBN 41 of 59 Remco 5 Description of menu system The main controller menu system contains a status menu and a number of sub menus The arrow keys on the front are used to toggle between the menus After power up the main controller will display a start up screen showing the software type and version of software executed on the main controller The status menu displays the fundamental states of the turbine If the menu system isn t used for a period the menu system automatically returns to the status menu Press
20. 2 Date 24 01 2003 L Editor PKR MBN Approval sign MBN Page 59 of 59
21. 29 97 Noordzee Near Shore Windpark Wbr Wm vergunningaanvraag NSW Bijlage VI Onderhoudsplan Bijlage Il Operation Manual NM80 amp NM92 Near Shore Windpark Wbr Wm vergunningaanvraag NSW Bijlage VI Onderhoudsplan Bijlage Il Operation Manual NM80 amp NM92 Document opgemaakt ten behoeve van Wbr Wm vergunningaanvraag Near Shore Windpark Opgemaakt door Aangeboden aan Noordzee Wind consortium Ministerie van Verkeer en Waterstaat Directoraat Generaal Rijkswaterstaat Bestaande uit Directie Noordzee Koopmansstraat 1 Shell Wind Energy BV 2288 BC RIJSWIJK NV NUON Duurzame Energie Postbus 5807 2280 HV RIJSWIJK Rev Datum Status 0 18 03 03 Concept voor commentaar 1 16 06 03 Definitief voor vergunningaanvraag Operation Manual NMSO NM92 TIC 726003 GB 2002 by NEG Micon A S scancone Preface and Revision This operating manual relates to the NM80 2750 amp NM92 2750 On shore The manual is the wind turbine generator owner s and operating manager s vade mecum It contains safety and operating instructions together with a general description of the wind turbine generator s tayout and design It also describes the possible error situations and how to reset the control system and resume operations This manual provides together with the Service Manual information on the service maintenance of the plant to enable the owner or operator to take care of it
22. COM In case of one of the two lines is opened the controller will do shut down sequencing to imitate the hardware opening the lines If safety line is opened it will initiate a stop function Idling stop If the emergency line is opened it will also apply the brake immediately by using stop function Apply shaft brake immediately The figure below sketches the two lines If one of the components in the emergency line breaks the line the emergency relay opens and supply to all contactors and relays are removed The shutdown of the turbine is done by hardware but the main controller will imitate it Due to an emergency stop the turbine will do a shut down as described in the following e The supply to all relays and contactors are removed gt The shaft brake is applied The pitch system is driving the blades to the stop position under blade battery control e The stator contactor disconnects the stator from the grid If one of the components in the safety line breaks the line safety relay opens and the supply to pitch system and stator contactor are removed The shut down of the turbine is done by hardware but main controller will imitate it Due to a safety stop the turbine will shutdown as described in the following e Supply voltage to pitch system and stator contactor are removed The shaft brake will remain released e The pitch system is driving the blades to the stop position under blade battery control e The stator c
23. ER Manual start stop contro panel heat H Move off stop limit blade 3 ENTER Manual start stop stator filter heat Test stop limit blade 1 ENTER 1 Manual start stop main panel fan j Test stop limit blade 2 ENTER B Modemlog Manual start stop operation panel fan Test stop limit blade 3 ENTER gt Manual start stop control panel fan Test run limit blade 1 ENTER Manual start stop stator filter fan Test run limit blade 2 ENTER Manual start stop transformer fan Test run limit blade 3 ENTER I Manual start stop nacelle fan Blade 1 limits Run Stop i Manual start stop dehumidifier tower Blade 2 fimits Run Stop i Manual start stop dehumidifier nacelle Blade limits Run Stop Manual reset lightning sensor Pitch data menu Test rotor overspeed press Enter nm Test generator overspeed 1 press Enter Test generator overspeed 2 press Enter Test overspeed guard press Enter Test alarm function alarm nr H In the manual test menu the turbine s motors and various functions can be tested Master reset This will force the main controller to reset all active alarms The controller will by pressing master reset make the controller reset under any conditions This function can be useful during installation if the controller has multiple alarms Service reset Some alarms need a service reset don by authorized people The keyboard reset in front o
24. The nacelle cabin is effectively sealed and protected from attack from cooling air which often contains humidity salt dirt or dust and thereby corrodes or dirties components joining surfaces and bolts The cooler liquid is an antifreeze water mixture The cooling pump works continuously except in the case of emergeney stop TIC 726 003 GB Operation Manual NM80 amp NM92 Page Date 24 01 2003 Editor PKR MBN Approval sign MBN 28 of 59 Gee ACON 3 13 Disc Brake System of the brake Hydraulic Disc Brake caliper Rrake Disk Mounting holes for coupling Attachment niata Mounting bolts for shrink disk Hydraulic station he brake has integral indicators that inform the control system if the linings become worn Due to imited number of brake actions the expected life time of the brake linings is long The linings will be replaced as precaution on regular intervals gt 1 year Che Disc brake is fitted to an attachment plate This plate is bolted to the gearbox which gives a strong and stiff support The brake disc is connected with a shrink disc to the output shaft of the gearbox There are fittings and equipment to lock the brake disk for servicing and other tasks he mechanical brake is designed for parking and has a back up system that will keep the brake isengaged in the event of a power cut The mechanical brake is only used for servicing which requires stationary gear sha
25. and ensure that at all times the wind turbine generator is operating safely and correctly The manual is subject to revision based on current experience This will maintain optimum performance and availability The revision control system is described in the following The contents of the manual and the procedures in it have been generated by NEGM s R amp D and Servicing Departments and prepared in consultation with suppliers and in accordance with approving authorities recommendations and requirements NEGM TIC urges users of this manual to forward any suggestions for corrections or improvements so that these can be incorporated in the next revision anufacturer EG Micon A S Alsvej 21 8900 Randers www neg micon dk Revision Date Description of changes 01 24 10 2002 New document 02 03 TIC 726 003 GB Operation Manual NM80 amp NM92 Page Date 24 01 2003 Editor PKR MBN Approval sign MBN 20659 Qye ACOD Table of contents Preface and Revision nnee vernenennenenneenennennverenvenenseenenvennenvennennnneenenvnnentnnanensensen eneen ennen 2 1 General Information 1 1 The wind turbine generator 1 2 Liability and guarantee nnen verevenen enenneereeerenenenenesernenennenennenevenvevenvenenseneenenennnnenen venen 6 1 3 Maintenance and servicing 2 Safe SES 7 2 1 General Safety nanne vennen verevenen envenenvervenaenene
26. ator temperature located in the winding I hotspot Generator W2 temperature Winding 2 hotspot Generator W3 temperature Winding 3 hotspot Generator bearing front temp Temperature measured in the generator bearing front nearby the generator Generator bearing rear temp Temperature measured in the generator bearing rear Generator slip ring box temp Temperature measured in the slip ring box Gear bearing front temp Temperature measured in the gear bearing front located at the HHS nearby the rotor Gear bearing rear temperature Temperature measured in the gear bearing rear located at the HHS nearby the generator Main bearing temperature Temperature measured in the main bearing Water temperature before cooler Waler temperature measured between the generator and the cooler Water temperature after cooler Water temperature measured between the cooler and the heat exchanger Gear oil temperature Oil temperature in the gear oil sump inside the gear box Gear oil temp after exchanger Oil temperature measured between the hear exchanger and the gear Generator inlet temperature Water temperature measured between the heat exchanger and the generator Yaw rim temperature Temperature measured at the yaw rim Ambient temperature Temperature measured below the nacelle Nacelle temperature Temperature measured in the nacelle below the contr
27. ay functions Show alarm 0 1 Time with display light sec Time with display sound sec If this is set to zero there will be no displaying of alarms in the last line in the menus controller 5 4 2 Set date time Set date YYYYMMDD Sets the year month and day Set Time HHMMSS Sets the time in the TAC controller 5 4 3 Set communication protocol Specifies the time the backlight is on after last key activation Time length of the key sound after pressing a key on the TAC The TAC II controller has the possibility to use the same protocol on two communications ports This is only for DCE protocols DCE x is an abbreviation for DanControl Engineering protocol x FDV 2 00 is an abbreviation for Forenede Danske Vindmailepro Manufacturers DCE 1 com port DCE 2 com port DCE 3 com port FDV 2 00 com port Alarm call com port Set communication parameters ucenter United Danish Wind Turbine This line is used for selecting the communications port for the DCE protocol This line is used for selecting the communications port for the DCE 2 protocol This line is used for selecting the communications port for the DCE 3 protocol This line is used for selecting the communications port for the FDV 2 00 protocol This line is used for selecting the communications port for the alarm call The turbine will send the alarm message out on this port Set communication parameters com1 Set co
28. bine gearboxes has been addressed in the design of these gearboxes The gearboxes for NM 80 2750 are of a triple stage hybrid design consisting of one helical geared planetary stage and two helical geared parallel axis stages The total gearbox ratio is selected such that the blade tip speed is optimised at the selected generator reference speed Power control is affected by a combination of blade angle adjustment and speed variation TiC 726 003 GB Operation Manual NM80 amp NM92 Page Date 24 01 2003 Editor PKR MBN Approval sign MBN 24 of 59 Dee AMICON The low speed shaft in the gearbox is implemented as a hollow shaft It encloses the rear end of the rotor shaft and the connection is by a strong clip bushing This special connection between the rotor shaft and gear box forming a single unit in a three point suspension rotor main bearing and the two mountings on either side of the gearbox prevents alignment problems The gear housing may be cast welded or a combination custom design as to NEG Micon s requirements and specifications The front end of the gear housing forms the torque stay where all operation loads and load reactions are transferred to the machine base frame The ring gear of the planet stage is an integral part of the gear housing The rear part of the gear housing holding the two parallel axis stages provides the linking points for a mechanical brake The gear housing also serve
29. can be reset to zero by pressing Clear for the element required 5 10 2 Input Output In this menu the actual state of the TOI inputs and outputs is shown 5 10 3 Operation counters All main controller outputs have time and activation counters This means that the by pass contactor has two lines Times By pass contactor ON registers the number of activations of the output and Time By pass contactor ON the time the output has been activated This is present for all lines in the menu The time is in a 1 10 of an hour 5 10 4 Wind sensors The wind sensor output wind speed wind direction is displayed in this menu 5 10 5 Software versions In this menu the controller s present software version and revisions can be seen TIC 726003 GB Operation Manual NM80 amp NM92 Page Date 24 01 2003 Editor PKR MBN Approval sign MBN 57 of 59 Gec Agon 5106 WTG setup Service menu B WTG setup H WIG type In this menu the WTG setup is done WTG type Nominet power generator Nomine current generator 998 2750 1650 The turbine type is selected When this is done the turbine makes a self configuration This means that the turbine is setting the control and regulation parameters depending on turbine type Turbine types can be seen in the WTG type list Nominal power generator This parameter is setting the nominal size of the generator Sel
30. ce for periodie checks 3 19 6 Blade protection The turbine uses LM glass fibre blades or alike The blades are lightning protected with LM s standard solution with two sets of receptors on each side of the blade tip and with conductors leading down through the blade and connected to the blade flange Leakage of the lightning current is not practised i e the lightning current passes through the blade bearing A non corroding liquid damper using glycol is also installed and electrically connected to the receptor 3 19 7 Blade turning system Lighting current passing through blade bearings will not cause any significant damage as there is extremely good electrical contact through the blade bearing because either it is not in motion or it is moving slowly so there is no lubricant film 3 19 8 Spinner and transmission system The gearbox is partially insulated as it is suspended on rubber mountings NEG Micon uses a discharge system placed on the locking wheel ahead of the main bearings thus minimising lightning current through the main bearing The discharge system consists of combs collector shoes with replaceable copper brushes 3 19 9 Main bearing Due to the current development stage of the tendered wind turbine the technical solution has not yet been finalised in calculations investigations and testing If come out that s necessary the main bearing will get a brush device to guide the lightning current before it reach th
31. e communicated to the hub controller Pitch demand blade 2 Pitch demand for blade 2 communicated to the hub controller Pitch demand blade 3 Pitch demand for blade 2 communicated to the hub controller Speed demand blade I Pitch rate speed demand for blade I communicated to the hub controller Speed demand blade 2 Pitch rate speed demand for blade 2 communicated to the hub controller Speed demand blade 3 Pitch rate speed demand for blade 3 communicated to the hub controller Blade I position Actual pitch position for blade I Blade 2 position Actual pitch position for blade 2 Blade 3 position Actual pitch position for blade 3 Operating state blade I 8 operating status bit for blade I Operating state blade 2 8 operating status bit for blade 2 Tie 796003 GR 7 TIC 726 003 GB Operation Manual NM80 amp NM92 Page Date 24 04 2003 Editor PKR MSN Approval sign MBN 53 of 59 Chromeo Operating state blade 3 8 operating status bit for blade 3 Operating state blade unit 8 operating status bit for hub unit Signal state I 8 status bit for blade I Signal state 2 8 status bit for blade 2 Signal state 3 8 status bit for blade 3 Signal state ext input I Extension 1 hub controller input Signal state ext output I Extension I hub controller output Converter torque Actual generator t
32. e WTG own consumption line kW LI Phase Ll active power measured on the WTG own consumption line kWL2 Phase L2 active power measured on the WTG own consumption line KW L3 Phase L3 active power measured on the WTG own consumption line KV Ar LI Phase LI reactive power measured on the WTG own consumption line kVAr L2 Phase L2 reactive power measured on the WEG own consumption line kVAr L3 Phase L3 reactive power measured on the WTG own consumption line Frequency L1 Thase LI frequency measured on the WTG own consumption line kWTotal WTG total active production measured as a summation of all the voltage levels KVAr Total WTG total reactive production measured as a summation of all the voltage levels kWisec l sec averaged active power production measured on all the voltage levels kWImin imin averaged active power production measured on ali the voltage levels lewi omin 10 min averaged active power production measured on all the voltage levels kVArisec t sec averaged reactive power production measured on all the voltage levels kVArimin L min averaged reactive power production measured on alt the voltage levels kVArlOmin TT 10 min averaged reactive power production measured on all the voltage levels Turbine mode Number of actual WTG mode Hub command Number of command communicated to the hub controller Pitch demand Averaged pitch position demand Pitch demand blade 1 Pitch demand for blad
33. e and sub frame Therefore a proper load distribution as well as a reduction of vibration level is obtained The rear top of the nacelle cover is supported and formed as a heli hoist platform optional The cooler is mounted at the helio hoist platform rail Also the anemometer and wind vane is mounted on the nacelle cover Auxiliary equipment as well as a crane solution in the nacelle will provide the possibility of exchanging major components without taking the rotor and nacelle down TIC 726 003 GB Operation Manual NM80 amp NM92 Page Date 24 01 2003 Editor PKR MBN Approval sign MBN 32 of 59 Clecs 3 18 Tower amp foundation The tower is tubular formed by rolled steel plates All welds are regularly inspected during manufacture by an independent inspection body The tower is sandblasted and effectively surface treated for off shore sites The standard colour is grey white corresponding to the colour of the nacelle and blades The tower top flange is constructed as a wide flange which functions as an internal brake disk for the yawing brake system The yawing ring is bolted directly to the top flange To ensure perfect flatness and olerances on the integrated top flange and yawing brake disk the latter is welded separately to the upper tower shell which is m high Itis then machined and finally the tower top is welded to the other tower shells which make up the top section The individual tower sections
34. e main bearing 3 19 10 Gear Due to the current development stage of the tendered wind turbine the technical solution has not yet been finalised 3 19 11 Nacelle The nacelle is executed as a Faraday cage The nacelle housing is in glass fibre with integral cable network or a cable network immediately beneath the housing The cable network is connected to the metal frame of the housing which in turn is equipotentially bonded with the base frame TIC 726003 GB Operation Manual NM80 amp NM92 Page Date 24 01 2003 Editor PKR MBN Approval sign MBN 35 of 59 Que AEGON All major components in the nacelle are equipotentially bonded with the base frame The weather station on top of the cooler behind the nacelle is fitted with lightning conductors The lightning conductor is equipotentially bonded with the base frame Lightning current from the blades is conducted to the base frame via the discharge system on the main shaft with copper brushes or carbon collector shoes The base frame is part of the Faraday cage so that minimum lightning current is conducted through the main bearing 3 19 12 Yawing system The lightning current is conducted through the yawing bearing The yawing bearing is pretension and moves only very slowly so for these reasons and due to its large dimension there is good electrical contact through the yawing bearing The yawing bearing is dimensioned to 300 000 rpm at a much
35. e will be no direct lightning strikes but the components in these areas must be able to tolerate the full electro magnetic field This area is called zone OE Zone OE will for instance be the area where meteorological equipment is mounted The nacelle and glass fibre housing are constructed as a Faraday cage with a metal network in under the glass fibre housing The nacelle can then be considered as being in zone 1 In zone 1 possible lightning transients are further reduced The level is 6 kV 1 2 50us or 3 kA 8 20 8us The wind turbine tower is also lightning protected to level 1 Metal electrical cabinets in lightning protection zone should be regarded as lightning protection zone 2 internally The level for lightning transients in lightning protection zone 2 is 0 5 2 kV 1 2 50 us depending on signal type Components in the individual lightning protection zones are overvoltage protected at the levels indicated 3 19 2 Overvoltage protection of components in lightning protection zone 2 Electronic components and other electronic equipment supplied by NEG Micon Control Systems have been tested to IEC 801 5 Supply cables have been tested to 2 kV common mode and I kV differential mode For communication purposes optical cables are used so here lightning arresters are not relevant 3 19 3 Overvoltage protection of components in lightning protection zone i In lighting protection zone are items such as the power panel frequency conver
36. eby service of the brushes can be done before the brushes are worn out 3 8 Frequency converter The four quadrant operating frequency converter is designed with the latest IGBT technology The frequency converter controls the electromagnetic torque in the generator and thereby the speed in the turbine By controlling the electrical torque in the generator the flicker is reduced considerably The converter also controls the reactive power in the wind turbine Communication between the turbine controller TAC and the frequency converter is done by CAN bus The frequency converter generates harmonics and therefore the stator circuit is equipped with filters to meet grid requirements regarding harmonics TIC 726 003 GB Operation Manual NM80 amp NM92 Page Date 24 01 2003 Editor PKR MBN Approval sign MBN 20 of 59 leem 3 9 Hub Blades Rotor System and Brake Strategy Pinion Blade Access hole Blade turning Motor Gear Hub Flange for Blade bearing with rotor shaft inner race Battery bank The hub is cast SG Iron The hub design is supported by full FEM calculations Access to the hub is via one of 3 manholes at the rear of the hub with easy access from the nacelle They blades are of the type LM38 8P The blades are 38 8 m long and made from fibreglass reinforced polyester with a continuous fibreglass spar The blade is mounted with a steel flange at the root end The root has steel bushings to sec
37. ecting the type in the menu line WTG types will set up this parameter Nominal current generator Depending on generator type the current can differ therefore it is possible to change the current Service menu et Enable automatic test Disable log events Enable temperature channels Enable pressure channels Enable automatic fest Seleci Disable log events Enab Enable pressure el e temperature channels Enable disable temperature input L pEnable test safety emergency line 4 101 INPUT Transient stator circuit Ol 02 INPUT Transient stator circuit 0 03 input generator G feedback on 04 Input generator G feedback off NO 03 o nable temp generator G nable temp gear oil able temp ambient 1 nable temp pitch oil 1 able shaft brake pressure ablehub inlet pressure nable yaw brake pressure able gear oil pressure nable pow er consumption which automatic tests to be performed Select which log events NOT to be written in the log by typing 1 hannelsEnable disable pressure input by typing the number 1 or 0 TIC 726003 GB Operation Manual NM80 amp NM92 Page Date 24 01 2003 Editor PKR MBN Approval sign MBN 58 of 59 Dre BAICON Appendix Main specification NM80 Main specification NM92 TIC 726 003 GB Operation Manual NM80 amp NM9
38. ed and stopped by pressing these two keys Reset When this button is activated alarms will be reset if conditions for reset is OK Start Use this button to start the wind turbine If the turbine has any activated alarms while pressing the Start button the effect is like pressing the Reset button If the turbine doesn t have any active alarms the turbine starts up the turbine Stop Pressing Stop button stops the turbine using the blades The display shows a manual stop message Prev Press this button to return to the previous menu Clear This button will clear all data in the line where the cursor is located This is done by pressing the Clear key and confirming with the Enter key TIC 726 003 GB Operation Manual NM80 amp NM92 Page Date 24 01 2003 Editor PKR MBN Approval sign MBN 38 of 59 Qncmoor 4 2 Display The display is a text based version with 4x40 characters The display is illuminated when pres any of the buttons and after a period with no menu activity the light will automatically turn off The main controller has eight LED s which have the following information al B Sending data 8 Generator sensor signal 2 fi Q F Rotor sensor signal oe r Wind sensor signal 4 3 Operator panel At the control panel located in the nacelle an operator panel is present The operator panel is a remote control to the menu in the main controller located
39. f the main controller panel is a non critical reset procedure Service start This function makes it possible to start the turbine when the turbine is in service mode Test shaft brake This menu make is possible for the service personnel to manually operate the shaft brake The turbine has to be in service mode and with no active alarms that require shaft brake to stop when this test is executed TIC 726003 GB Operation Manual NM80 amp NM92 Page Date 24 01 2003 Editor PKR MBN Approval sign MBN 55 of 59 ec acon Apply shaft brake Press Enter Release shaft brake Press Enter Hydraulic shaft brake 145 Bar Relief valve 0 Bar After pressure reduction 0 Bar Start test relief valve Press Enter Pitch test sequence mode Only to be used by service personnel with thorough knowledge of the blade turning system This menu allows the manual operation of the blade turning system The service key has to be turned before manual control is accessible In addition it is only possible to control the blade turning system manually if no alarm is active which normally uses blade turning system Pitch manual test mode This menu allows the manual operation of the blade turning system Test alarm call no This tests the turbines modem and telephone line When testing the desired alarm call number is selected The desired number to call is found in the user menu under set alarm call Test
40. fts or brake disk The brake has integral indicators and temperature sensors which inform the control system ifthe linings become worn or hot The hydraulic unit for the brake is an AVN B12 type The hydraulic unit will at normal operation maintain a steady pressure to keep the brake disengaged At grid failure it will keep the brakes disengaged for a limit period and at braking it will ensure a controlled reduction of the pressure providing a soft cut in 3 14 Coupling The generator is linked to the output shaft of the gear by a coupling which transmits the driving moment to the generator without excessive loading on the generator bearings The couplings and shaft are screened for safety reasons and protected from accidental contact A rpm sensor is mounted on the generator shaft flange to measure rotation speed TIC 726 003 GB Operation Manual NM80 amp NM92 Page Date 24 01 2003 Editor PKR MBN Approval sign MBN 27 of 58 Qseancor 3 15 Yaw System Hydraulic Yaw Brake caliper Yaw brake hydraulics Yaw Motor Yaw gear Bolts for base frame Yaw gear pinion i eet OO ORES a on on op a E Ball bearing ring with internal gearing The yaw system is a derivative of the system that is in use on the majority of the NEG Micon turbines The main characteristic is simplicity due to the use of a minimum number of different parts and clear separation of functions Special adoptions
41. ies between the minimum and maximum wind speed limits ime T2 The T2 counter records the time during which the turbine measures wind speeds between the minimum and maximum wind speed limits Availability The turbine availability is calculated by using the T1 and T2 timer Power down T3 The T3 is a timer for no grid present The availability of the turbine is calculated for each turbine by the following formula The Tl and T2 counters are summation counters counting from the start up of the turbine TIC 726 003 GB Operation Manual NM80 amp NM92 Page Date 24 01 2003 Editor PKR MBN Approval sign MBN 44 of 59 Gee AUCON 54 User parameters Under the User parameter menu the following items can be found Show alarm 0 1 Baud Time with display light sec i Data bits 7 8 Time with display sound sec Parity 0 1 2 __ 3 Stop bit 1 2 en u ns Modem control 0 1 i a i Set date YYYYMMDD goo Handshake 0 1 Set date time Set time Xoff bytes iXon bytes Tone or pulse dial CCITT or BELL Echo control pe DCE 1 com port DCE 1 com port DCE 2 com port DCE 2 com port H gt DCE 3 com port aes TE KUT DCE 3 com port LG Com to com2 FDV 2 00 com port Com1 to coms Alarm call com port Com1 to coms pl Com1 to menu Com2 to comt Coms to comt Com to com Menu to com1 Set co
42. ign MBN 43 of 59 Gee ACUN Total Subtotal Total G Sub a I Absorbed energy Acc reactive effect Power consumption aux Time on Time ready Time alarm Time ok Time service Time TL y Time T2 Availability Power down T3 A short explanation of the information in the menu Total This counter is showing the total production for the turbine Subtotal The sub counters have the same function as the counter Total but they have the possibility to be cleared by the user turbine owner Gen G The counter is showing the production delivered by the generator Sub G The sub counters have the same function as the counter Gen G but they have the possibility to be cleared by the user turbine owner Absorbed energy Counter for the negative produced energy measured by the tree measurement points Acc reactive effect Counter for accumulated reactive effect that the turbine has used Power Counter for used power for turbine own consumption consumption aux Time on The time for grid connected to the turbine Time ready The time for shaft brake released Time alarm The time the turbine has been standing with an alarm Time ok The time where the turbine has been without any alarms Time service The time where the turbine has been in service mode Service key Time Tl The T1 counter records the time during which the turbine brake is released and the wind speed l
43. ing the right arrow key accesses the main menu The main menu shows the menu structure illustrated below Main menu Status Grid Status menu p p Operation couniers Temperature Pressure User parameters Alarm log Alarm statistics Service menu Configuration 5 1 Status menu The status menu shows the status of the wind turbine 2002 08 23 11 36 11 Generation Rotor 16 5 RPM 2751 kW 15 6 m s PD 5 359 AP I Generation 1 min 1 3 14 9 2750 I sec 5 3 15 6 2751 Yaw fault Wind speed m s Power kW Nacelle position Yaw counter Line number Generator 1101 2 RPM 5 33 10 min 0 2 14 2 2750 348 25 1 Date time and current operating status for the turbine 2 Rotor rotational speed generator rotational speed 3 Current production wind speed pitch demand PD and actual pitch AP 4 Status line this line describes the status for the turbine This line shows any alarms recorded in the turbine If no alarms warnings are active the operation mode is displayed TIC 726 003 GB Operation Manual NM80 amp NM92 Page Date 24 01 2003 Editor PKR MBN Approval sign MBN 42 of 59 Gee HERO 5 Location of 1 second data and location of 1 minute data and 10 minute data 6 This line shows the average of yaw fault for second minute data and 10 minute data 7 This line shows the average wind speed for l second I minute data and 10 minu
44. intervals the oil is automatically changed by means of a separate oil pump with filter and tank Excess oil returns to the oil tank The main shaft is supported by the main shaft bearing in front and connected to the gearbox input shaft at the other end The main shaft is hollow to allow for electrical power and communication lines to go from the nacelle to the pitch system in the hub The main bearing housing is bolted directly onto the base frame TIC 726003 GB Operation Manual NM80 amp NM92 Page l Date 24 01 2003 Editor PKR MBN Approval sign MBN 23 of 59 Rrercor 3 11 Gearbox Gearbox helical planetary stage High speed shaft amp brake Clip Bushing dise for main shaft N gear suspensions sliprings Gearbox two helical parallel axis stages Hollow shaft NEG Micon uses custom built gearboxes especially designed for the loads in a wind turbine with triple point suspension Safety factors required by the relevant standards have been considered when proving that all loads induced by the rotor are safely transferred Gearboxes selected for this project are based on well proven designs but with adoptions to the special requirements of offshore wind turbines Basic features of these gearboxes have already been tested in wind turbines of the relevant size onshore Further all experience derived from recent failure analysis design improvement and verification testing on smaller wind tur
45. l TIC 726 003 GB i Operation Manual NM80 amp NM92 Page Date 24 01 2003 Editor PKR MBN Approval sign MBN 4 of 59 remco 5 5 Temperature MENU naven erneer eeens reveneeneevensenervenseensenenenernnennvntenensdenennenneensnveneneennenn 49 5 6 Pressure MENU nurse oneness eenen wensen venenenene enen venenversvenen an veneneenenenereenenennenenvenden vennen 50 5 7 Alarm 109 EEEE 50 58 Alarm statistics ccccecc cece ceeeececeecseeee tee eenetatneeeeseneeecateeeetisnavenanesecennecseaeisneeeeseseesesteneenenaeannenas 51 5 9 Alarm snapshot msemneevevmiivinrnmisrmevvvrrrvrersvrsrverrerrerrrnrnsarnersrnnnretrrvertrrrrerrrvsnsetrereer 51 5 10 Service MENU nnen eeneevennerveenvenevevenenneernenneneenerne en venenseeneenenvenvenennensrnenersnennendeensnvanneneneneneneen 55 5 10 1 Min max register nnen enennaenenseneenveneneernesennsendenvensenendenennennsrnennennennenenenenen een 57 5 10 2 Input Output 5 10 3 Operation counters 5 10 4 Wind sensors 5 10 5 Software versions nennen ennen eenen vaceecneenenneeaessssseesntciessretesasesasnresassesiecscsneeieeaes 57 5106 WTG SSP nnee enen neeneneven ennen serene sender en venveneensenrnannenneenensendennensenenen en denen 58 anean E OTE 59 Main specification NMBO nennen ervoeren cere EESAN AAAA ensen 59 Main specification NM92 nnn enennenenenenneneensernenenneneneeereenenvenreeeevendenensenenennnen 59 TIC 726003 GB operation Manual NM80 amp
46. l damage or injury to parts or persons during this work EGM accepts no liability for direct damage or injury or consequential claims arising where the turbine owner himself carries out work to the plant or has it done by persons not approved by NEGM The turbine owner should inspect the plant at regular intervals to familiarize himself with normal operation and noise patterns In this way non conforming operating forms or noises can immediately reveal problems with the wind turbine generator allowing the turbine owner to intervene and report the matter to NEGM s Servicing Department The wind turbine generator should be kept clean and tidy on safety grounds and also to make it easier to detect leaks During the period that the turbine is covered by NEGM s guarantee or servicing contract servicing and other work on the plant may only be undertaken by NEGM s service engineers or carried out by persons working under NEGM s instructions and liability If the turbine owner carries out work on the plant imself without express consent or instructions from NEGM s Servicing department or has the work done by non authorised persons for whom NEGM can have no responsibility NEGM s guarantee and liability or servicing work shall be immediately void 1 3 Maintenance and servicing rior to carrying out maintenance or servicing work it is an absolute requirement that the prescribed safety rules and requirements described in the service
47. m parameters comi Set com parameters com2 Set com parameters com5 Set com parameters com links com1 links com2 i Com2 to coms links com5 om2 to menu links com6 omt to com2 Com to com2 7 Coms to com2 WTG Id no i Menu to com2 WTG telephone no i CET WTG name I 11 Alarm call 1 i Com5 to comi 2 Alarm call 2 icons to com2 3 Alarm call 3 Com5 io com6 4 Alarm call 4 5 n 5 Alarm call 5 come to men i Comt to com5 6 Service cali 1 7 Service cali 2 Start call 4 Stop cal 1 Start call 2 om2 to coms i Com6 to com5 i Menu to com5 I Set alarm call parameters hr iStop call 2 a at call 3 1 1 Com to com i Stop call 3 Com to com2 Start call 4 Come to coms Stop call 4 Com6 to menu Start call 5 gt Cam to com amp Stop call 5 i Com2 to com Com number alarm call Com5 to com6 Communication silent Menu to com6 Call again Retry times I Wait for connection I Select com port Print event log Print alarm log Print service log Print alarm statistics Print operation counters Print all Print menu system Print parameter list TIC 726 003 GB Operation Manual NM80 amp NM92 Page Date 24 01 2003 Editor PKR MBN Approval sign MBN 45 of 59 xe MON 5 4 1 Set user parameter This menu contains parameters for setting the displ
48. make it suitable for off shore use The yawing system is composed of the following parts a One 4 point ball bearing with internal gear and mechanical lock Five planetary gear drives that are driven by squirrel cage induction motors a Six hydraulic activated brake calipers s One brake disc ring at tower top flange on which the calipers act a One interface to enable the turbine controller to activate and deactivate the yaw system a One position transducer that transfers the nacelle orientation to the controller a One vane on top of the nacelle cover that transfers the wind direction to the controller a One manual control box that enables manual yawing as is possible for the panel of the controller TIC 726 003 GB Operation Manual NM80 amp NM92 Page Date 24 01 2003 Editor PKR MBN Approval sign MBN 28 of 59 Cromor 3 16 Controller Panels The control of the wind turbine is split between several panels situated in the tower base nacelle and rotor hub The panels are divided logically in relation to their function and listed below to describe the location in the turbine 4 platform Converter panel included converter controller and filter module 3 Platform med main operating control panels 2 Platform with Switch gear left og meter box Tower base platform with HVILV transformer The following tower plan shows controller panels and medium voltage components The drawing is not to scale a
49. manual are read and observed Regular servicing routines are described in the Service Manual which has been prepared for the use of NEGM servicing staff TIC 726 003 GB Operation Manual NM80 amp NM92 Page Date 24 01 2003 Editor PKR MBN Approval sign MBN 6 of 59 Osc ALCON 2 Safety 2 1 General Safety A wind turbine power plant with its rotating mechanical parts presents many potentially dangerous situations The door to the wind turbine tower must be kept locked to prevent unauthorized persons gaining access or operating the control panel The safety rules signs and instructions in the wind turbine must be followed If a sign is damaged or unreadable it must be reported and replaced The following safety instructions must be read understood and unconditionally followed Governmental or local safety regulations can extend or overrule parts of this chapter Always be updated on local regulations NOTE If doing Service amp Maintenance or other work on the turbine the safety chapter in the Service manual must be read and followed This safety chapter relates to normal visit and operating the turbine 22 Approach to the Turbine Adults must keep children under close surveillance Do not stand beneath the rotor or near the wind turbine when the rotor blades are covered with ice or in lightning storms 23 Entering and Ascending the Turbine The wind turbine must always be shut down before asce
50. meter is the measurement of the rotation speed and acceleration of the generator An inductive detector placed on the flange of the generator shaft continuously checks this Knowledge of the rotation speed and acceleration permits the frequency converter to adapt the generator output to the grid both at cut in and at changes in wind speed during operation A rpm sensor is also placed on the rotor shaft flange where the bolt heads are used as an indicator The turbine computer constantly monitors the rotor shaft speed measurement to confirm that the generator shaft sensor is transmitting the correct signal The main controller is in continual communication with the hub controller and the converter controller The hub controller which controls the turning of the blades is acting as a servo on a pitch position reference signal The converter controller controls the generator torque is acting as a servo on a generator torque reference signal The hydraulic pressure levels are also monitored When the start or stop command is given the computer carries out various routines and testing functions which control the hydraulic systems for the mechanical brake and the yawing system The main controller keeps the turbine in touch with the surroundings The turbine is linked to a wind park monitoring server or to the turbine owner and a service department via a built in modem Using the main controller display and keyboard it is possible to control
51. mmunication parameters com2 Set communication parameters com5 Set communication parameters com6 For each of the four communication ports there are the following set ups The baud rate at which the computer receives and transmits via the serial communications port selected Data bits 7 8 Number of data bits required for the serial channel selected Options are 7 or 8 bits Parity 0 1 2 This parameter is used to select the parity for the serial channel selected The options are as follows No parity 0 TIC 726 003 GB Operation Manual NM80 amp NM92 Date 24 01 2003 Editor PKR MBN Approval sign MBN Page 46 of 59 Ge Arcon Set communication links Odd parity 1 Even parity 2 Stop bit 1 2 Used to determine whether I or 2 stop bits are to be used Modem control 0 1 Setting this to 1 the computer modem is restricted to sending only if the modem is connected to another modem This means that the modem must be able to detect a DCD signal If this is not the case the modem will cease transmitting DCD is an acronym for Data Carry Detect Handshake 0 1 This parameter tells the computer whether a handshake must be exchanged Handshake means that input output control depends on the input output status Xoff bytes Software control of data flow Xon bytes Software control of data flow Tone or pulse dial Is used to determine whether
52. mperature Generator W1 temperature Generator W2 temperature Generator W3 temperature The last six temperatures are hotspots in the transformer and the generator windings 5 6 Pressure menu This menu presents the displaying the various pressures that can be monitored Pressure gear oil Pressure gear oil filter Pressure shaft brake Dunaansa war healen 7 Alarm log The alarm log is used to show the most recent 100 alarms recorded The alarms are displayed in the following way Log no date and time and alarm text 1 2002 01 30 09 06 57 6050 009 Grid spikes Li 2 2002 01 01 19 An asterisk before the time indicates that the alarm is active The alarm Grid spikes is active in this example TIC 726 003 GB Operation Manual NM80 amp NM92 Page Date 24 01 2003 Editor PKR MBN Approval sign MBN 50 of 59 ee Micon 58 Alarm statistics Choosing the Alarm statistics menu statistics for all alarms are displayed The number of occurrences and the most recent date and the total time recorded for the individual alarm It is furthermore possible to see whether the alarm is active An asterisk in the last line indicates an active alarm This is shown in the following example Alarm 601 Manual stop keyboard Total 0 5 hours 5 Times Last 2001 01 30 16 06 55 4530 Active 59 Alarm snapshot For every alarm that occurs the main controller
53. ncluding displaying alarm messages and eventually alarm call to hotline The turbine is also stopped if the difference in the position of the blades during turning exceeds parameter defined limits In emergency situations the hub is able to turn the blade to stop position using batteries 3 5 5 Rotational speed monitoring Inductive sensors are fitted on the turbine s low and high speed shafts HSS LSS These sensors give signals to the main controller which in turn converts these to number of revolutions The measurement point for the rotational speed is redundant two sensor at the HSS and two sensors at the LSS The TIC 726003 GB Operation Manual NM80 amp NM92 Page Date 24 01 2003 Editor PKR MBN Approval sign MBN 16 of 59 pe micons redundant sensor configuration enables more reliable and more accurate measurement If one sensor fails it is possible to carry on operating the turbine until the problem is fixed The speed on HSS and LSS is monitored constantly and if the speed is found to be too fast the main controller will stop the turbine A decentralized safety module called TAC85 measure the speed of HSS and LSS and shut down the turbine by braking the safety line if the speed is too high The speed signal is an important signal for the regulation algorithm The control of the pitch position demand and the control of the generator torque demand are depending on the measured rotational speed
54. nd must be regarded for information only TIC 726003 GB Operation Manual NM80 amp NM92 Page Date 24 01 2003 Editor PKR MBN Approval sign MBN 29 of 59 ee MICON 3 16 1 Main panel in tower The power panel contains the components necessary for protecting and controlling the parts making up the generator stator circuit main power circuit See illustration of power cabinet below The panel is fitted with a lightning conductor for protecting the circuit from transients Current and voltage in this circuit is measured and the results sent to the operating panel Similarly all signals used to control components in this cabinet derive from the operating panel Main voltage 3x960Vac Control voltage 230 Vac 24Vde perating panel 3 46 2 Operation panel part off main panel The cabinet contains an operating panel allowing the wind turbine to be operated from the base of the tower The cabinet includes the components necessary for controlling the units located at the base of the tower and for receiving signals from them Transient protection of the necessary circuits will be located here External communications links to and from the wind turbine must also be connected in a separate compartment of this cabinet The hour meters will be located on the front of the operating panel in the tower base Main voltage 3x400 N Vac Control voltage 230 Vac
55. nenernsnn ennen venennenerndenn 6 3 5 4 Blade monitoring 6 3 5 5 Rotational speed monitoring coenen eeen vereneneenneneneerendevenseervernereennvenevenenenennen 6 358 Grid monitoring eect tee erter eskere ee tenet ne nee ne DERE ennen svenvnnnnnnsnsnsnenenenenrnen eenen 7 3 6 Power drive and control oc ccc ccenceeeeesceeerceecereeeeneceseeeeensseeeeteseaessasesssavasengeesiecessienetsennerts 9 3 7 Generator OOE 20 3 8 Frequency converter nnen envenrensenvenvenenennenerensneendenseneenenaesnerneneeneenennnenennnennenn 3 9 Hub Blades Rotor System and Brake Strategy 3 10 Main Bearing amp Shaft 311 Gearbox nennen 3 12 Lubrication amp Cooling System 3 13 Disc Brake System 3 14 Coupling OOTTE 27 3 15 Yaw System nmumemeeemsmgusssenmmnmrmruemrnvevverrrnimienemnimervmmmimiennnnnmngnrr 28 3 16 Controller Panels nnen eneeneerenneenneenveverererseennenenennenendenderseevnneenenenneneensenneeenenseneneeenen 29 TIC 726 003 GB Operation Manual NM80 amp NM92 Page Date 24 01 2003 Editor PKR MBN Approvat sign MBN 3 of 59 3 16 1 Main panel in toWer m cmmmmnemvvvvermrerererrrrrrerevverttrervrereveestvrer PEASANT EEEE EETA EEEE 30 3 16 2 Operation panel part off main panel msmemneumeneeernnevrnevnvnirmnisvsnvuver 30 4 1 4 Frequency converter panel in tOWET nnee naeenenvensenrenrnnrenvneeneeenennenrsensnendenen den 30 1 1 2 Control panel in nacelle nnen nenensenenenvenenenenneneneerserneneenenenenenenvenen
56. nsenenendenrnnvennenvenennenennenennnveernennenne eenen 7 22 Approach to the Turbine eneen ereen venrnenenrveneneneneesvenenenrnenneeneneneneneern ereen 7 23 Entering and Ascending the Turbine nnee ennen eenen vennensenenenveneneneenenenvenreneennendenenvenens 7 2 4 In Case of Fire nunannrseenenrenenneenennennenendeeneenenve vennen envenvenvenennrenneersensenenendeaenneenennenennvennenennnenennen 8 2 5 Lightning and thunderstorms ccc eer cnseteneese ete venns nentntever nervevev veret vanrar nesnnernnnnnnntnen 8 2 6 In Case of Unusual Sound Patterns 2 7 In Case of Run Away 2 8 in the Nacelle Compartment 2 9 Safety and emergency line 3 Functional Description of wind turbine nnee erneer eenenenersenenseneenennesneneeneenernvenenneeeen enne 1 3 1 Wind Turbine Main Data Overview NMBO nnn nnnnerensenenennrene ener snersenreneenvernenneneenen sevens 1 3 2 Wind Turbine Main Data Overview NM92 nenneennennnenerenernnernensensennerserseeneenndeenne ennen 1 3 3 Wind Turbine Component Overview nanne eernenensenevervenene savannen eneerseeneensmenneneneneneenenn 2 34 _ Control System nee ennenrenveneneneenerveerernesenvnenreensnnnsnnen enne vens vereenenenenenenenen vennen 3 3 5 Turbine monitoring system 18 3 5 1 Temperature monitoring 15 3 5 2 Pressure monitoring 3 5 3 Humidity monitoring ee ccc ee eeeennenneneenersenvenensersenvenvenensernsnnsnsen
57. nt If the stop command has not been given at the control panel before leaving the tower floor the wind turbine will automatically stop when the platform hatch is opened during ascent A safety helmet must be used for head protection Use suitable safety shoes for climbing the ladder The safety harness and fall arrest must be used during ascent and descent Instructions for using the safety harness are located just inside the tower entrance Signs Safety harness Glider on ladder TIC 726 003 GB Operation Manual NM80 amp NM92 Page Date 24 01 2003 Editor PKR MBN Approval sign MBN 7 of 59 Qkseracow Do not remain in the ladder shaft when another person is climbing and all hatches in the platforms must be closed after passage The remote control system must be locked and the controller set to service mode before ascent or inspection of the wind turbine to prevent undesired remote start commands Never climb the ladder or inspect the turbine alone For safety reasons at least two persons must be present if any kind of job has to be carried out on the wind turbine Smoking is not allowed All persons present must always be aware of the location of the other individuals Remember to tell the other persons when you intend to move to another location and what you will be doing and make sure that everybody understands and confirms your message before you move 24 in Case of Fire In case of fire in
58. nverter controller TIC 726 003 GB Operation Manual NM80 amp NM92 Page Date 24 01 2003 Editor PKR MBN Approval sign MBN 54 of 59 Geemcor 5 10 Service menu Service menu er Manualtest H Master reset Enable pitch sequence mode 0 1 Service reset N pitch cycles demand I Service start N pitch cycles completed Test shaft brake H Pitch test sequence parameters i Pitch test sequence m de Pitch data menu Pitch manual test mode Test alarm call no Manuat TRIP stator CB i Manual CLOSE stator CB i Manual start stop gear oil p low speed Manual start stop gear oil p high speed Enable nacelle mode 0 1 Manual start stop generator heat i Pitch demand biade 1 Manual start stop offline filter pump i Pitch demand blade 2 Manual start stop water pump H Pitch demand biade 3 Manual start stop oil pump main bearing Pitch rate blade 1 Manual start stop grease pump in hub Pitch rate blade 2 TT Manual start stop lubr pump yaw drive Pitch rate blade 3 i 3 Event log Manual start stop lubr pump yaw bearing Set safety shutdown ENTER Manual start stop fubr pump gen bearing Set pitch to demand ENTER Manual start stop wind sensor heat Manual start stop main panel heat Manual start stop operation panel heat i Move off stop limit all blades ENTER Move off stop limit blade 1 ENTER Move off stop limit blade 2 ENT
59. o reset the specific alarm is active until the temperature is within the reset area If the alarm has stop the turbine the turbine automatic startup when the alarm is reset The controller measure the temperature at the following locations Generator temperature Generator bearing front temp Generator bearing rear temp Generator slip ring box temp Generator inlet temperature Gear oil temperature Gear bearing front temperature Gear bearing rear temperature vo IDG AS m Gear oil temp after exchanger Water temp before cooler Water temp after cooler Ambient temperature Nacelle temperature Yaw rim temperature Operation panel temperature Main panel temperature Control panel temperature 0 1 2 3 4 15 Main bearing temperature 6 7 8 9 Converter ambient temperature 20 Stator filter temperature 21 Converter grid side I temp 22 Converter grid side 2 temp 23 Converter generator side 1 temp 24 Converter generator side 2 temp 25 Tower base temperature TIC 726 003 GB Operation Manual NM80 amp NM92 Page Date 24 01 2003 Editor PKR MBN Approval sign MBN 45 of 59 ec MION 26 Transformer temperature 27 Transformer room temperature 28 Transformer W1 temperature 29 Transformer W2 temperature 30 Transformer W3 temperature 31 Generator W1 temperature 32 Generator W2 temperature 33 Generator W3 temperature Max min values are
60. ol panel Control panel temperature Temperature measured in the control panel Generator temperature Maximum temerature of the tree generator winding temperatures Transformer temperature Maximum temerature of the tree transformer winding temperatures Voltage LI Voltage measured at the phase LI on the WTG own consumption line Voltage L2 Voltage measured at the phase L2 on the WTG own consumption line Voltage L3 Voltage measured at the phase L3 on the WTG own consumption line Current LI Current measured at the phase LI on the WTG own consumption line TIC 726 003 GB Operation Manual NM80 amp NM92 Date 24 01 2003 Editor PKR MBN Approval sign MBN Page 52 of 59 Orencore Current L2 Current measured at the phase L2 on the WTG own consumption line Current L3 Current measured at the phase L3 on the WEG own consumption line Cos phi Li Phase shifter measured at the phase Lt on the WTG own consumption line Cos phi L2 Phase shifter measured at the phase L2 on the WTG own consumption line Cos phi L3 Phase shifter measured at the phase L3 on the WTG own consumption line Sin phi LI Phase shifter measured at the phase LI on the WTG own consumption line Sin phi L2 Phase shifter measured at the phase L2 on the WTG own consumption line Sin phi L3 Phase shifter measured at the phase L3 on th
61. om the rotor A sensor on the main shaft will apply the brake when the rotor has the right position Bach blade has an easy to fit maintenance lock that enables the blade to be locked in the parked position The blade turning system is the turbine main brake system The mechanical brake is only used for servicing which requires stationary gear shafts or brake disk Emergency stop is performed when safety chain is activated as follows I Disconnection of control voltage for all contactors 2 Disconnection of generator 3 Blades turns toward feather position on batteries 4 Turbine idling Normal stop is performed for all other stop initiated by the control system as follows 1 Blades turn with controlled speed towards feather position 2 The generator follows the power speed curve and disconnected at nin at zero power 3 Turbine idling TIC 726 003 GB Operation Manual NM80 amp NM92 Page Date 24 01 2003 Editor PKR MBN Approval sign MBN 22 of 59 ecm 3 10 Main Bearing amp Shaft Flange connection for Main Bearina hub Wain Shaf Main bearing housing Oil pump tank and filter The main bearing is a double spherical roller bearing of the highest quality Suppliers of this bearing are FAG and SKF The main bearing arrangement is similar as on the other NEG Micon turbines and for which good experience is gained The bearing is lubricated by an oil bath in the bearing housing and at regular
62. ontactor disconnects the stator from the grid TAC85 has two speed sensor inputs One of the speed sensors is measuring the speed of the slow rotating rotor shaft LSS and the other at the fast rotating generator shaft HSS If one or both measured speed is above limits the TAC85 will trip the safety line The main controller does not automatic restart after an emergency stop Operator action is needed for starting the turbine after an emergency safety stop After a safety stop caused by a grid fault the main controller will automatic reconnect the safety line after power is recognized if TAC85 or vibration ball is not detected TIC 726 003 GB Operation Manual NM80 amp NM92 Page Date 24 01 2003 Editor PKR MBN Approval sign MBN 40 of 59 Pre DACON 3 Functional Description of wind turbine 3 4 Wind Turbine Main Data Overview NM80 Nominal power Nominal voltage 6 Rotor diameter o Swept area a Rotational speed max Control e Generator e Frequency converter Brake system a Hub height 2750 kW 960 V 670 V 80 m 5027 m 17 5 rpm PRVS Pitch Regulated Variable Speed Double feed asynchronous water cooled IGBT PWM frequency converter Individua blade pitch with back up batteries disk brake 60 m and 70 m 3 2 Wind Turbine Main Data Overview NM92 Nominal power Nominal voltage Rotor diameter s Swept area 2 Rotor speed max Control
63. op batteries in each blade panel and power supplies for each blade box Each blade box houses the pitch drive for that blade and the battery pack for that blade TIC 726 003 GB Operation Manual NM80 amp NM92 Page Date 24 01 2003 Editor PKR MBN Approval sign MBN 31 of 59 seatcon 3 17 Machine Base Frame Sub Frame amp Nacelle Cover Mounting area for main bearing hausing fe Cast Machine base frame Mounting area for Yaw system Mouniing area for gear suspensions Welded Subframe carrying generator and auxiliaries The machine base frame is a rigid cast construction The shape can be characterized as an open box rame This shape is the direct derivative and optimisation of the machines frames as used for the 600 750 900 1000 1500 kW NEG Micon product range The Base frame supports the sub frame Due to the relative high sides and the geometry of the base frame end plate the sub frame that carries the generator and auxiliaries faces a stiff support The sub frame itself is composed of 6 parts 4 folded beams and 2 stiffener beams below the frame The nacelle cover is supported on both the machine frame and the sub frame by means of rubber steel elements Therefore a proper load distribution as well as a reduction of vibration level is obtained The nacelle cover is a self supporting glass fibre construction with a smooth shape With six rubber elements it is attached to the machine fram
64. orque in of max torque Converter speed Rotational generator speed measured by the converter controller Converter grid side voltage Voltage measured on the frequency converter line Converter grid side current Current measured on the frequency converter line Converter active power total Active power measured on the frequency converter line and the generator stator line Converter reactive power total Reactive power measured on the frequency converter line and the generator stator line Converter cycle counter Converter incremental counter for the communication to the main controller Converter status I 8 status bits from the converter Converter status 2 8 status bits from the converter Converter error 8 alarm bits from the converter Converter error 2 8 alarm bits from the converter Converter error 3 8 alarm bits from the converter Converter error 4 8 alarm bits from the converter Converter error 5 8 alarm bits from the converter Converter torque demand Torque demand in rom main controller to the converter controller Converter phi demand phi angle demand in degree from main controller to the converter controller Converter com counter send Main controller incremental counter for the communication to the converter controller Converter command Converter command number from main controller to the co
65. s Print menu system press Enter This makes a print of the menu system Print parameter list press Enter This makes a print of the parameter list Test generator over speed I press enter 5 5 Temperature menu The Temperature menu shows the temperature at each of the measurement points used The temperatures are as follows Generator temperature maximum of generator winding temperatures Generator bearing front temp Generator bearing rear temp Generator slip ring box temp Generator inlet temperature Gear oil temperature Gear bearing front temperature Gear bearing rear temperature Gear oil temp after exchanger Water temp before cooler Water temp after cooler Ambient temperature Nacelle temperature Yaw rim temperature Main bearing emperature Operation panel temperature Main panel temperature Control panel emperature Converter ambient temperature Stator filter temperature Converter gri Converter gri side I temp side 2 temp TIC 726 003 GB Operation Manual NM80 amp NM92 Page Date 24 01 2003 Editor PKR MBN Approval sign MBN 49 of 59 GE Converter generator side I temp Converter generator side 2 temp Tower base temperature Transformer temperature maximum of transformer winding temperatures Transformer room temperature Transformer W1 temperature Transformer W2 temperature Transformer W3 te
66. s 2 9 Safety and emergency line The turbine is fitted with two emergency lines one for personnel protection named emergency line and one for turbine protection named safety line The emergency line contains several E stop push bottoms and a switch at the hub hatch The safety line contains vibration ball and over speed module TAC85 If the emergency line opens the safety line will be opened as well because it is a slave of the emergency line The control related components are listed below 2 Emergency stop push buttons e Hub hatch switch Emergency relay 2 Battery supply with charger e TAC85 module 2 Vibration ball Safety relay f the safety line is opened supplies to pitch system and stator contactor are removed the blades will do a safety shutdown and the converter disconnects immediately ote l The shaft brake is not applied by hardware in this situation ote 2 During a grid loss the safety line will remain opened the emergency line is opened all supply to pumps contactors ete control voltage are removed and e shaft brake is applied The shaft brake will also remain released during a grid loss because the emergency line is supplied by a backup battery The safety line during a grid loss will be opened because e grid supplies it 9 of 59 TIC 726 003 GB Operation Manual NM80 amp NM92 Page Date 24 01 2003 Editor PKR MBN Approval sign MBN R es A
67. s as an oil tank holding a sufficient amount of oil for cooling and lubrication of all gears and bearings The housing is designed for free flow of oil and possible debris towards a dead end at the lowest point of the oil sump In the inclined assembly position the external lubrication and cooling system with its filters is directly connected to the lowest point TIC 726003 GB Operation Manual NM80 amp NM92 Page Date 24 01 2003 Editor PKR MBN Approval sign MBN 28 of 59 Qecancow 3 12 Lubrication amp Cooling System Heat exchanger Generator Water cooler Termo bypass 45 EN Oil pump and filter unit Water pump Test nipple Test nipple Gear box Water pump unit The external lubrication system has three main functions it provides circulation filtration and cooling of the gear oil The gear oil pump circulates the oil through a mainstream filter unit with a thermo by pass and through an oil water heat exchanger The cooler liquid removes heat from the generator and is in turn cooled by a radiator on the nacelle roof where airflow behind the blades has a very efficient action Apart from the generator and the radiator the circulation system consists of an electric pump hoses and the heat exchanger in which the gear oil is cooled The system is simple and has proved to be both extremely efficient and reliable Water cooling also means that no air flow in the nacelle is needed
68. sensor It s possible to manually reset the lightening sensor by press enter at this line Over speed test The alarms 254 Rotor over speed 251 Generator over speed 1 and 253 Generator over speed 2 is tested by using the build in test over speed function in this menu By pressing enter at one of the lines the turbine will continuously increase the rotational speed without synchronize to the grid When the alarm set point for the specific alarm is released the turbine will stop The controller will only record the selected over speed alarm This means the other two alarm types will not be triggered even if the limits for such alarms are exceeded It is possible to interrupt the test while in progress by pressing stop For this test the over speed relay TAC85 should be set to a limit that is higher than the upper limit for the three alarms that can be set in the controller The actual rotational speed shown on the display should be watched carefully during the test Test alarm function This test function make is possible to test the stop function for a specific alarm Type in the alarm number 5 10 Min max register A range of maximum and minimum values which the computer has detected are shown in this menu Each new minimum or maximum value is given a time stamp to show when the registration took place All values in the menu can be reset to zero using the Install parameter menu Individual values
69. stator CB The stator CB is open disconnected tripped in the service mode by press Enter at the line Manual TRIP stator CB The stator CB is closed or connected via the line Manual CLOSE stator CB For test fans heaters and pumps it is possible to manually start and stop the devices The items below describe the devices 2 anual start stop gear oil p low speed anual start stop gear oil p high speed anual start stop generator heat 2 anual start stop offline filter pump 2 anual start stop water pump anual start stop oil pump main bearing e anual start stop grease pump in hub 9 anual start stop lubr pump yaw drive e Manual start stop lubr pump yaw bearing anual start stop lubr pump gen bearing e anual start stop wind sensor heat Manual start stop main panel heat 2 anual start stop operation panel heat anual start stop control panel heat 2 anual start stop stator filter heat s anual start stop main panel fan Manual start stop operation panel fan TiC 726003 GB Operation Manual NM80 amp NM92 Page Date 24 01 2003 Editor PKR MBN Approval sign MBN 56 of 59 Gre MUCON e Manual start stop control panel fan Manual start stop stator filter fan Manual start stop transformer fan e Manual start stop nacelle fan s Manual A art stop dehumidifier tower Manual start stop dehumidifier nacelle Manual reset lightning
70. t alarm call parameters Print data Menu to com Transfer of all data that is received from the menu to communications port 1 Set communication links com2 This menu is identical to the menu for communications port I but for communications port 2 Set communication links com5 This menu is identical to the menu for communications port 1 but for communications port 5 Set communication links com6 This menu is identical to the menu for Communications port 1 but for communications port 6 WTG Id no This is an 8 digit identification number for the wind turbine WTG telephone no The wind turbine telephone number WTG name The name of the turbine 1 7 Alarm call 1 7 The first gt seventh number the wind turbine calls when an alarm occurs Start call 1 7 Start time for wind turbine calls to the first number Stop call 1 7 Stop time for wind turbine calls to the first number It is only possible to change the start and stop time for Alarm call numbers The alarm call number is used for customers who do not wish to receive calls e g in the night The service number is used for calls to those persons or companies responsibie for servicing the wind turbine Com number alarm call The communications port that is used for sending the alarm call Communication silent Silent time on the telephone line before an alarm is permitted Call again Interval between retries to a specific number Retr
71. t brake calibre Yaw brake pressure Pressure in the yaw brake calibre Humidity nacelle Relative humudity in the nacelle Humidity tower base Relative humidity in the toger base TIC 726 003 GB Operation Manual NM80 amp NM92 Date 24 01 2003 Editor PKR MBN Approval sign MBN Page 51 of 59 S MEG DEIN Transformer W I temperature Transformer temperature located in the winding I hotspot Transformer W2 temperature Winding 2 hotspot Transformer W3 temperature Winding 3 hotspot Transformer room temperature Temperature measured in the transformer room Tower base temperature Temperature measured below the main panel Main panel temperature Temterature measured in the main panel Operation panel temperature Temperature measured in the operation panel located in the tower base Converter ambeint temperature Air temperature measured at converter panel inlet Converter temp grid side I Temperature measured on the converter cooling fan grid side 1 Converter temp grid side 2 Temperature measured on the converter cooling fan grid side 2 Converter temp generator side I Temperature measured on the converter cooling fan generator side Converter temp generator side 2 Temperature measured on the converter cooling fan generator side 2 Generator W I temperature Gener
72. tat Filter TiC 726 003 GB Operation Manual NM80 amp NM92 Page Date 24 01 2003 Editor PKRAMBN Approval sign MBN 19 of 59 eo RETON 3 7 Generator The chosen generator suppliers have more than 1000 generators operating in field The IP 54 protected generator has been designed according to NEGM specifications A 6 pole generator running at a nominal speed of 1100 RPM is used compared to a 4 pole generator there will be less stress on the bearings PT 100 sensors measure the temperatures of the electrically isolated ball bearings Electrical isolated bearings electrical isolated generator suspension and electrical isolated shaft are used to protect against damaging circulating currents The generator is water jacket cooled The water jacket cooling system is the primary cooling circuit Water jacket cooled generators are standard for NEGM turbines The liquid cooling circuit in the generator consists of a liquid inlet gland and a liquid outlet gland The losses from the generator are transferred to the liquid in two separate ways at the same time Directly by heat conduction from stator lamination to the liquid and further from the internal air cooling circuit The slip ring is bought from suppliers with experience from more than 1000 systems The design lifetime of the slip ring is at least 20 years and the service interval for the brushes is 8 month Wear indicators are mounted on the brushes so ther
73. te data 8 This line shows the average power production for l second minute data and 10 minute data 9 This line shows the position of the nacelle relative to the geographic north 10 The fast line is the degree of cable twist relative to the cable twist center 52 Grid menu The grid menu contains measured data on the 400V power lines dedicated for turbine own consumption At the bottom of the menu the total power production of the turbine is printed The values in this menu are one second average values LI L2 L3 Voltage 389 373 385 Current 790 771 795 KW 304 2 284 7 303 0 I KVAr 5 1 3 9 4 7 cos phi 0 99 0 99 0 99 Quad 3 3 3 7 9 kW 13 7 kVAr 50 0 Hz Line number 1 L1 L2 and L3 describe the phase concerned 2 Voltage for the three phases 3 Current for the three phases 4 Individual power output for the three phases 5 Individual reactive power output for the three phases 6 Power factor for the three phases 7 Quadrant position for the three phases 8 Total power reactive power and grids frequency 5 3 Operation counters This menu contains data about the turbine operation production counters consumption counters and timers for different operations There are further counters and timers on all motors major contactors and mechanical parts these are found in the Service menu TIC 726 003 GB Operation Manual NM80 amp NM92 Page Date 24 01 2003 Editor PKR MBN Approval s
74. ter panels operating panel and control panel Supply intake in the power panel is overvoltage protected by lightning arresters with a nominal discharging current of 15 kA 8 20u s and a limit discharging current of 40 kA 8 20u s Signal cables are protected by screens In addition signal cables from the control panel are protected by varistor clamps capable of dealing with discharging current of 2 5 kA 8 50u s Power transformers have lightning arresters on the primary side Various control transformers also have lightning arresters on the primary side 34 of 58 TIC 7267003 GB Operation Manual NM80 amp NM92 l Page Date 24 01 2003 Editor PKR MBN T Approval sign MBN remcor 3 19 4 Qvervoltage protection of wind measurement equipment in zone OE Wind measurement equipment is mounted where no direct lighting strike can reach it This is done by placing a lightning conductor on the boom on which the wind measurement equipment is mounted Cables from the wind measurement equipment are led by pipes to the control panel where the individual conductors are overvoltage protected by varistor clamps capable of dealing with a discharge current of 2 5 KA 8 20us 3 19 5 Measurement report and documentation At handover a report will be drawn up demonstrating measuring the transition impedance from critical systems to earth together with relevant documentation from the subcontractor and operating and maintenance guidan
75. tevenanenenenenrne 31 1 1 3 Controller panels in rotor hub nennen nennen enen ennen envevenverenenvnvevenenserenverrnensenenenesenvens 31 3 17 Machine Base Frame Sub Frame amp Nacelle Cover nnnnnennenneeneenerene err enrenernnennenenn 32 3 18 Tower amp foundation 3 19 OO WW WO HO OD WW WW HW 080 Lightning protection 9 1 Total concept for lightning protection of wind turbine 9 2 Overvoltage protection of components in lightning protection zone 2 34 9 3 Overvoltage protection of components in lightning protection zone 1 nnen 34 9 4 Overvoltage protection of wind measurement equipment in zone OE cee 35 9 5 Measurement report and documentation nennen eneeervenseereseernenseeneeneneenenrsentenens 35 9 6 Blade protection nennen enrnennennervenseneneerensenteneennenennesenenen eeens ENERSEN 35 9 7 Blade turning system nennen enreneneeneenenneenenvenrenenneserneensnenensenrnensevensnernennennnenensanennn 35 9 8 Spinner and transmission system unseren onrnenernersenneenrerserenendendsenensenesaersvensenen eenn 35 9 9 ain bearing 9 10 Gear 9 11 Nacelle AE 35 9 12 Yawing system 9 13 Tower nnn onrerneenennennenenvenernennenenneverraresnnenennveneneenenneeneenentenvenvenvenesdenserserenrneneneenen dennen 36 19 14 Earthing system annenennennenennenenneenenveneensenensenseneenvenveneneseneneenesenrdeenven enden onnnenennen 36 9 15 Medium voltage plant
76. the nacelle or the wind turbine controller the plant must be evacuated immediately and the power supply from the grid cut off as soon as possible either at the power panel circuit breaker within the wind turbine or at the transformer station If possible the operations manager must be informed without delay so that the necessary procedures relating to the grid can be implemented Put out the fire with the extinguisher if possible If the fire is out of control the area around the wind turbine must be cordoned off and the Police Fire Department Service Department informed 2 5 Lightning and thunderstorms A thunderstorm entails the possibility of lightning striking the wind turbine in spite of all lightning protection equipment Do not remain inside or near the wind turbine and so be exposed to a possible fatal injury caused by lightning When the thunderstorm has passed over personnel must wait at least an hour before approaching the wind turbine Continuing rustling or hissing sounds from wet rotor blades show that they still carry an electric charge so do not go near or touch the plant If the wind turbine is hit by lightning strike the power supply must be cut off and the NEGM Service Department informed Normally a strike will cause tripping of the maximum current breaker and damage of the lightning DEHN Guard 2 6 In Case of Unusual Sound Patterns It is always important for the wind turbine owner or operator to become familiar
77. ther DCEO or DCE3 protocol using the Right Arrow or Left Arrow key Enter key saves the selected Protocol Mode Line 4 shows the selected Baudrate Select from 2400 gt 38400 baud using the Right Arrow or Left Arrow key The Enter key saves the selected BaudRate Line 5 shows the selected Character set The OP receives characters from the TAC This function can convert the received character to a special character like in Danish 6 in German Generally Right Arrow switches the current value one step up e g from 9600 to 19200 in selecting BaudRate If the highest value is reached 38400 and the Right Arrow is pressed again the lowest value will be displayed 2400 Left Arrow switches the current value one step down e g from 19200 til 9600 in selecting BaudRate If the lowest value is reached 2400 and the Left Arrow is pressed again the lowest value will be maintained 2400 Enter saves the selected values to the OP Eeprom Discard Changes Press Up Arrow or Down Arrow This will restore the original value A change is only valid by pressing Enter TIC 726003 GB Operation Manual NM80 amp NM92 Page Date 24 01 2003 Editor PKR MBN Approval sign MBN 40 of 59 rcacore 4 4 Operation box The operation box is located in the turbine nacelle making it possible to manually control the
78. ure the strength of the blade The blade turning system consists of 3 independently controlled series wound DC motors with integral brakes and absolute position encoders each turning a pinion engaging with the inner race of a blade bearing via a 3 stage speed planetary reduction gearbox A 4 quadrant DC amplifier that receives a velocity demand from a controller in the hub drives each motor The hub controller acts on input from the turbine main controller The rotor system is a Pitch Regulated system the variation is arranged between 0 degrees and plus 90 degrees This means that the leading edge is pointing into the wind direction during stop Maximum power output corrections through blade pitch change will be made when a generator peak power output has been recorded In order to gain valuable time as to re adjust the blade pitch and to avoid peak power at wind gust to force high loads to the gearbox variable speed rotation is introduced to the NM80 Please also see chapters regarding generator electrical system and controller In the event of a safety system shutdown or loss of power control system an independent battery bank for each blade turns the blade to the stop position TIC 726 003 GB Operation Manual NM80 amp NM92 Page Date 24 01 2003 Editor PKR MBN Approval sign MBN 24 of 59 lo an en Gere RARCON The rotor can automatically be put in the Y position by use of the aerodynamic torque fr
79. with the sound patterns of the plant An unusual sound or noise often reveals that an abnormal or dangerous situation has occurred or is under development If unexplained or strange noises should occur during normal operation the Service Department should be informed Further the wind turbine should be stopped if it is judged that continued operation could turn out to be dangerous or cause greater damage and repair costs TIC 726003 GB Operation Manual NM80 amp NM92 Page Date 24 01 2003 Editor PKR MBN Approval sign MBN 8 of 59 Gre MACON 2 7 In Case of Run Away An uncontrolled run away will hardly ever take place because it would require a combination of many unfortunate circumstances However should an uncontrolled run away take place the area around the wind turbine must be evacuated immediately and the area cordoned off Do not try to stop or save the wind turbine The plant can be replaced human lives cannot be No persons must venture closer than 500 metres to a runaway rotor 2 8 In the Nacelle Compartment A safety helmet must be used for head protection Use suitable safety shoes for climbing the ladder The safety harness and fall arrest must be used during ascent and descent At wind speed above 8 m s the nacelle hatch should not be opened unless the nacelle is positioned upwind or downwind Regardless the nacelle orientation it is not allowed to open the hatches in wind speeds above 15 m
80. y times Number of retries to a telephone number in case of failure to connect Wait for connection This checks and waits until the DCD Data Carrier Detect is present before the controller is starting to send data Select com port The communications port selected here is used to send the data selected in the below mentioned lines rint event log press Enter Using the arrows to place the cursor in this line and then pressing the enter key will print the entire event log out Print alarm log press Enter Using the arrows to place the cursor in this line and then pressing the enter key will print the entire alarm log out rint service log press Enter Using the arrows to place the cursor in this line and then pressing the enter key will print the entire service log out TIC 726 003 GB Operation Manual NM80 amp NM92 Page Date 24 01 2003 Editor PKR MBN Approval sign MBN 48 of 59 eemoor Over speed test Print alarm statistics press Enter Using the arrows to place the cursor in this ine and then pressing the enter key will print the alarm statistics Print operation counters press Enter Using the arrows to place the cursor in his line and then pressing the enter key will prints the operations counters Print all press Enter This makes a print to the selected port with all the menus event log alarm log service log alarm statistics and operations counter

NocrdzeeWind - Commissiemer.nl

Contents

Download Pdf Manuals

Related Search

Related Contents