FM1803 Owners Manual - Bright Green Energy
Contents
1. 1 Read the Electrical Connection and Up and Running sections and be satisfied that your system complies 2 If your Rutland 1803 fails to turn turns slowly or produces low output check the following e Is there sufficient wind The Rutland 1803 needs 3m s wind speed to start charging The wind speed across the turbine blades may be greatly reduced in a built up area compared with weather reports e Is the On Off switch in the ON position e Is the battery fully charged Check the control unit LEDs when the red LED is lit it indicates that the battery is fully charged amp the wind generator will be in stall mode e Is a battery connected to the control unit Check the control unit LEDs if no LED 1s lit this indicates no battery connection to the control unit amp wind generator will be in stall mode e Is the battery in good condition Check the voltage and electrolyte level of each battery e Check electrical continuity throughout the system especially look for corrosion and poor connections in cable joints and connector blocks e Check the brushes and slipring for wear or damage To inspect the brushes remove the nacelle by removing the three fixing screws and slide nacelle backwards towards the tail fin The brushes and slipring can be inspected Remove any black deposits from slipring with emery paper e Check hub for free rotation with generator disconnected from control unit If the hub does n2. a competent electrical engineer or the manufacturer Document No SM 146 Issue A 14 03 06 3 Marlec Engineering Co Ltd Rutland FM 1803 Installation amp Operation CHECK YOU HAVE RECEIVED Two 2 Aerofoil Blades and 10 nuts and bolts Main Generator Assembly Tail Fin assembly and Fixings Spinner and fixing stud Control Unit Check that the voltage indicated on the connection label and the side of the housing corresponds with your battery voltage e 3 Way Connector Block In the event of loss or damage consult your dealer or the manufacturer WHAT YOU WILL NEED Tools Suitable wire stripper Small terminal screwdriver Phillips cross head screwdriver 2 x 13mm spanners or sockets 36mm spanner or socket 10mm spanner or socket 8mm Allen key 6mm Allen key Other Items You Will Need Mounting tower Winch or other suitable lifting pulling equipment Cable Batteries Battery terminals Connector blocks as determined by your total system Suitable fixings for wall mounting control unit Please complete the system details in the maintenance schedule appendix A This information is important amp should be kept safe amp available if contacting the manufacturer for advice or technical information Document No SM 146 Issue A 14 03 06 4 Marlec Engineering Co Ltd Rutland FM1803 Installation amp Operation SITING THE WINDCHARGER The location and height of the mounting pole or tower for your wind turbine will be
3. blades to the main hub and front hub plate ensuring that the flat surface of the blade faces the front plate of the assembly as shown in Fig 3 fit the 10 5 per blade M8 x 65 bolts from the rear of the assembly amp fit the 10 M8 lock nuts Tighten the bolts each a little in turn to a final torque of 20 Nm Ae a M8 x 65 Bolts 5 per Blade Q Q Hub Front Plate M24 Nut amp Spring washer Fig 3 Turbine Blade Assembly Document No SM 146 Issue A 14 03 06 12 Marlec Engineering Co Ltd Rutland FM1803 Installation amp Operation Turbine Assembly Ensure the key is fitted to the keyway of the windshaft extension of the main generator assembly Slide the turbine assembly onto the windshaft aligning the hub keyway with the key Ensure the flat surface of the blades faces away from the nacelle Fit the M24 spring washer and M24 Nut amp tighten Check tightness of all screws Do not over tighten Fit the aluminium spinner in position on the front of the generator hub and secure in place with the M6 stud and nut provided Alternatively the turbine and spinner can be fitted after mounting the generator assembly to the tower Turbine Blade Flat Side of Blad CNY Spinner vr N DDA Stud Spinner Fig 4 Turbine Assembly Fitting Document No SM 146 Issue A 14 03 06 13 Marlec Engineering Co Ltd Rutland FM1803 Installation amp Operation Tail Assembly Insert the tail as
4. change will take place If the current falls again while in this phase the LED will stop flashing amp the controller will stay in Low wind mode This is to prevent unnecessary change of mode during transient current changes Low High Wind LED Red pulsing off once per second The Controller has switched to High wind mode amp has started a time delay period to allow the turbine to stabilize in the new operating mode before re checking the charge current Low High Wind LED Flashing Red Amber Currently in High wind mode the charge current has reached the lower limit for high wind mode amp a time delay period has started prior to entering Low wind mode the current must remain at this level for the whole of the time period before a mode change will take place If the current increases again while in this phase the LED will stop flashing amp the controller will stay in High wind mode This is to prevent unnecessary change of mode during transient current changes Document No SM 146 Issue A 14 03 06 8 Marlec Engineering Co Ltd Rutland FM1803 Installation amp Operation Low High Wind LED Green pulsing off once per second The Controller has switched to Low wind mode amp has started a time delay period to allow the turbine to stabilize in the new operating mode before re checking the charge current Note High Low wind mode switching is inactive when the controller is in Stall mode In Stall mode high wind mode will also be s
5. to an unprotected blade in a similar fashion to sand blasting For this reason the leading edge of each blade is protected by a special tape designed for this purpose It is important that this tape is inspected regularly and replaced as necessary in order to ensure long blade life Please see Inspection amp Maintenance section on page 22 Generator The rotor is rigidly attached to the generator shaft providing direct drive to the 3 phase brushless permanent magnet ac generator producing variable frequency ac at approx 120v L L under normal conditions Note the generator must not be allowed to run open circuit since high voltages can be generated Yaw system The complete wind generator assembly is mounted on yaw bearings allowing free rotation on it s vertical axis to enable it to respond to changes in wind direction The yaw assembly also includes a slipring amp brush system to transmit the generated current to the fixed transmission cable while allowing free 360 yaw rotation Tail assembly The inclined tail fin is hinged to the rigid tail boom on durable sleeve bearings The tail is designed to direct the turbine into the main direction of wind at wind speeds up to approx 35mph above this the automatic furling mechanism will turn the generator at an angle to the wind to protect the generator turbine amp supporting structure from severe winds During furling the output power will be reduced When the high wind subsides th
6. 3 Windcharger system and its installation and operational characteristics It is strongly recommended that you read this manual and familiarise yourself with its contents before installing and operating the Windcharger system The Rutland FM1803 Furlmatic Windcharger is designed to provide a direct current DC power supply via a battery bank for low voltage equipment lighting inverters etc in domestic and professional applications WARNING e When turning the Windcharger is capable of generating voltages in excess of the nominal voltage Caution must be exercised at all times to avoid electric shock e Never disconnect the batteries from the controller when the turbine is running e The wind generator must never be operated on open circuit ie without control unit connected since hazardous voltages can be generated e No attempt to work on the system should be made until the wind generator is restrained from turning e The Windcharger is fitted with ceramic magnets which can be damaged by heavy handling The main generator assembly should be treated with care during transit and assembly e It is essential to observe the correct polarity when connecting the Windcharger and all other components into an electrical circuit Reverse connection will damage the Windcharger system and invalidate the warranty e Do not adjust the settings on the control unit without reference to the manufacturer e If in doubt refer to your dealer
7. Rutland FM1803 Furlmatic Windcharger inc MPC1 Controller Owners Manual CE Document No SM 146 Issue A 14 03 06 Rutland FM1803 Installation amp Operation CONTENTS Page INTRODUCTION Gs 3 CHECK YOU HAVE REGEIVED Gases 4 WHAT YOU WILL NEED TOOLS OTHER ese ese ee se se ee 4 SITING THE WINDCHARGER piss vei iese se nh Herrer 5 SYSTEM DESCRIPTION amp PRINCIPLE OF OPERATION 6 Aerofoil Blades Generator Tail Assembly Control Unit MOUNTING TOWER oe Se ee ee oe SEESE 10 ASSEMBLY amp INSTALLATION Gees seks seeks dese ie Ge sees A ee ese 12 Blade AS vandret 12 Turbine Assembly id ee ES oe 13 Tail ANSSEMDIY EE ie SEE DR RE GE 14 Tower Preparations ses se ed 15 Control Unit Installation ees ske sea ee ee Re ee 16 BATEERIE SEE ENE NER 17 CABLE SPECIEICATION es es ME e a a passe der 18 ELECTRICAL CONNECTION ua ies Ee Se Gee dvs teas es ke re seit dene 19 FITTING GENERATOR TO THE TOWER esse esse ees ee ese ee 20 Final Mechanical Checks sccanasicdintiacadaradanaaaes 20 VUPANDRUNNING se 21 SPECIFICATION AND PERFORMANCE esse ee se ee se se ee ee ee 22 INSPECTION AND MAINTENANCE ee esse ee see ee ee se ee se ee ee ee ee ee 23 TROUBLES HOO TING is Ses Ge SEGE NAS 24 Document No SM 146 Issue A 14 03 06 2 Marlec Engineering Co Ltd Rutland FM1803 Installation amp Operation INTRODUCTION This manual contains important information concerning your Rutland FM180
8. al or local wiring regulations All cables must be suitably protected from mechanical damage All cables amp installation should be in accordance with IEE Wiring regulations The 3 phase cable from the WG is coloured in accordance with amendment 2 to BS7671 2001 IEE wiring Regulations 16 Edition Phase 1 Brown Phase 2 Black Phase 3 Grey Document No SM 146 Issue A 14 03 06 18 Marlec Engineering Co Ltd Rutland FM1803 Installation amp Operation ELECTRICAL CONNECTION e Remove the four screws from the control unit front panel carefully remove the front panel by sliding upwards to release the latches into the main housing withdraw until the ribbon cable connecting the front panel to the main housing can be accessed Unplug the ribbon cable from the PCB in the main housing amp the front panel can then be removed e Using the cable selected see Table 1 pass the cable through the inside of the tower amp route to the control unit Leaving sufficient length of cable protruding from the top of the tower to enable easy connection to the wind generator e Pass the cables through the grommet or conduit in the base of the control unit amp connect to the 3 terminals labelled for the wind generator The generator output is 3 phase ac therefore these connections can be made in any sequence e Using the cable selected for connection of the control unit to the batteries Pass the cables through the grommet or conduit in the ba
9. an be manually re set to charge mode by pressing the reset button on the front panel Temperature compensation ensures that the battery voltage switching points are automatically adjusted for ambient temperature to maintain optimum battery performance A digital LCD display shows battery voltage charge current generated power operating mode amp warnings Coloured LEDs also indicate operating status amp warnings The on off switch on the front panel allows the control unit to be switched off which will select stalled mode for installation servicing stalling the turbine to a slow idle amp preventing power being produced In this mode the LCD display will be blank If a battery is not connected the control unit will default to stall mode There are 3 continuous operating modes Mode Low High LED Charge Stall LED LCD Display Charge Low Wind Green Green Charge Low Wind Charge High Wind Red Green Charge High Wind Stalled Red Red Turbine Stalled Document No SM 146 Issue A 14 03 06 7 Marlec Engineering Co Ltd Rutland FM1803 Installation amp Operation Transitional modes indicated by LEDs Charge Stall LED Flashing Green Amber Currently in charge mode the battery voltage has reached the fully charged level amp a time delay period has started prior to entering stall mode the voltage must remain at this level for the whole of the time period before a mode change will take p
10. batteries otherwise serious damage will result e Move the switch on the control unit to the on position If there is sufficient wind the turbine should now accelerate and the LCD should display the current operating conditions Document No SM 146 Issue A 14 03 06 21 Marlec Engineering Co Ltd Rutland FM 1803 Installation amp Operation SPECIFICATION AND PERFORMANCE The curve shown below is for ideal non turbulent wind conditions this may not be achieved in some installations CHARGE CURRENT v WINDSPEED N O 35 Q 30 a oO 25 A O 20 CHARGE CURRENT INTO 12V BATTERY AMPS CHARGE CURRENT INTO 24V BATTERY AMPS 30 15 20 10 10 5 0 0 0 5 10 15 20 25 30 35 40 WINDSPEED M S Document No SM 146 Issue A 14 03 06 22 Marlec Engineering Co Ltd Rutland FM 1803 Installation amp Operation INSPECTION AND MAINTENANCE To ensure long trouble free service from your 1803 wind generator it is important to determine a suitable inspection amp maintenance schedule Maintenance intervals and requirements are specific to individual installations amp site conditions amp therefore must be determined by the user during the first year of service It is recommended that during the first year following installation that inspections amp necessary maintenance are carried out at 3 6 amp 12 months the results of which are used to determine future scheduled maintenance A maintenance schedu
11. e tail assembly will automatically return the turbine to normal operation In turbulent conditions the system may be seen to repeat this cycle many times Document No SM 146 Issue A 14 03 06 6 Marlec Engineering Co Ltd Rutland FM 1803 Installation amp Operation Control Unit The 1803 MPC1 control unit controls the operation of the FM1803 wind generator amp protects the battery bank from overcharge The 3 phase transformer amp full wave bridge rectifier convert the raw generated 3 phase ac to dc at a level corresponding to the battery voltage The microcontroller based electronic controller monitors the battery voltage charge current amp temperature At pre set levels the controller will switch the generator between Low and High wind modes to ensure optimum performance When the battery voltage reaches a level indicating fully charged the controller switches the generator to stalled mode causing the generator RPM to reduce to a slow idle preventing further power being generated into the battery bank When the battery voltage falls to a lower pre set limit the control unit will automatically switch back to charge mode Unless otherwise specified at the time of order the limits will be set for lead acid batteries upper limit 2 4v cell amp lower limit 2 08v cell 25 C If other types of battery are to be used or other settings are required contact the manufacturer for advice When in stalled mode the system c
12. elected to prevent high transient currents if the controller switches back to charge mode during high winds Warnings Mode Low High LED Charge Stall LED LCD Display Low Battery Volts Flashing Red Flashing Red Warning Low Bat Over Temperature Flashing Red Flashing Red Over Temperature Both Leds flashing alternately Red amp LCD display Warning Low Bat Battery voltage is below the minimum recommended level amp is therefore seriously discharged any loads should be removed amp the batteries recharged as soon as possible to avoid permanent damage to the battery Both Leds flashing alternately Red amp LCD display Over Temperature The internal components of the control unit have reached a higher than normal temperature The turbine will be stalled and the cooling fan will run until the temperature has reduced to normal levels when the turbine will resume normal operation If this occurs check that the controller housing vents are not obstructed The control unit has a built in cooling fan which will only operate when the internal temperature of the control unit exceeds a pre set level This will only normally operate during periods of high generated power levels Document No SM 146 Issue A 14 03 06 9 Marlec Engineering Co Ltd Rutland FM1803 Installation amp Operation MOUNTING TOWER The Rutland 1803 is designed to fit inside a round tube with an internal diameter of 81mm A
13. lace If the voltage falls again while in this phase the LED will stop flashing amp the controller will stay in charge mode This is to prevent unnecessary change of mode during transient voltage changes Charge Stall LED Red pulsing off once per second The Controller has switched to stall mode amp a time delay period has started to allow the turbine to stabilize in the new operating mode before re checking the battery voltage Charge Stall LED Flashing Red Amber Currently in stalled mode the battery voltage has reached the lower voltage limit amp a time delay period has started prior to entering charge mode the voltage must remain at this level for the whole of the time period before a mode change will take place If the voltage rises again while in this phase the LED will stop flashing amp the controller will stay in stall mode This is to prevent unnecessary change of mode during transient voltage changes Charge Stall LED Green pulsing off once per second The Controller has switched to charge mode amp a time delay period has started to allow the turbine to stabilize in the new operating mode before re checking the battery voltage Low High Wind LED Flashing Green Amber Currently in Low wind mode the charge current has reached the upper limit for low wind mode amp a time delay period has started prior to entering High wind mode the current must remain at this level for the whole of the time period before a mode
14. le sheet is provided for convenience It is recommended that the maintenance schedule is completed amp kept safe amp available if contacting the manufacturer for advice or technical information From the findings of the 3 6 amp 12 months inspections the user should determine a suitable service interval e Before inspection the turbine should either be lowered to the ground or secured to prevent the generator from turning To stop the generator from turning proceed as follows Note For safety reasons maintenance should not be attempted during strong winds e Move the switch on the control unit to the OFF position The turbine rpm should reduce to a slow idle e Whilst the generator is in stall mode it can be lowered to the ground or blades restrained from turning Blade leading edge tape must be checked for signs of wear damage cracking or peeling If any of these are observed it must be replaced before allowing to return to service Always replace on both blades at the same time Only the correct tape must be used available in replacement kits from Marlec Part No 970 009 Document No SM 146 Issue A 14 03 06 23 Marlec Engineering Co Ltd Rutland FM 1803 Installation amp Operation TROUBLESHOOTING In the unlikely event that your Rutland 1803 should develop a defect the turbine should either be lowered to the ground or secured to prevent the blades from turning before the following inspection is carried out
15. mended is 400Ah 12v 200Ah 24v Permanent connections should always be made to the battery terminals Never use crocodile clips or similar devices Battery terminals should be well greased with petroleum jelly or similar Batteries may be linked as follows e In parallel to increase amp hours Fig 8 e In series to increase voltage Fig 9 e A combination of series amp parallel to achieve desired voltage amp capacity Only batteries of similar type amp capacity amp ideally the same manufacturer should be connected together in series or parallel Ensure the voltage indicated on your controller corresponds with your battery voltage Document No SM 146 Issue A 14 03 06 17 Marlec Engineering Co Ltd Rutland FM1803 Installation amp Operation CABLE SPECIFICATION The cable size used for connection of the Windcharger to the control unit should be in accordance with table 1 in order to minimise voltage drop and ensure optimum performance 3 cores will be required Cable Run Minimum Cable Size m mm AWG Up to 50 1 5 16 Up to 100 2 5 14 Up to 150 4 12 Up to 250 6 10 Up to 450 10 8 Up to 700 16 6 Up to 1000 25 4 Table 1 The cable size for connection of the control unit to the batteries should be 10mm minimum the use of smaller cables than recommended will reduce the performance of the charging system The type of cable is dependent on the type of installation amp nation
16. o the top of the tower ensuring the flat on the post adaptor aligns with the pipe seam if necessary e Push the adaptor into the tower while the cable is gently pulled from the tower base to ensure it is not trapped continue until the post adaptor is fully inserted into the tower and the fixing holes align e Secure the wind generator to the tower using the four M12 x 25mm screws and shakeproof washers provided Tighten using an 8mm Allen key Final Mechanical Check e Check the tightness of the blade screws and nose dome e Check the free rotation of the hub and yaw axis e Check for free movement of the tail fin Document No SM 146 Issue A 14 03 06 20 Marlec Engineering Co Ltd Rutland FM 1803 Installation amp Operation UP AND RUNNING e Before raising and securing the wind generator check that All final mechanical checks have been made The cable is not trapped All electrical connections are secure and safe The switch on the control unit is in the OFF position DU ND Re e The wind generator can now be raised into position Take care to avoid all moving parts when raising and lowering the wind generator e When raised secure the structure firmly in an upright position The performance of your Windcharger can be impaired if the pole is not vertical e Connect the battery cables to the battery terminals using suitable permanent connections It is vital to observe correct polarity when connecting the
17. ot rotate freely check for a possible short circuit in the wiring If no wiring fault is found refer to your dealer or manufacturer If in doubt refer to your dealer or manufacturer Document No SM 146 Issue A 14 03 06 24 Marlec Engineering Co Ltd Rutland FM 1803 Installation amp Operation FM1803 Maintenance Schedule 1st 12 months System Details Battery Type me Tower Height Date of Installation Service Interval 3 months 6 months 12 months Remarks Remarks Remarks aa GR OG GO SN Blade Bolts ass ER SO ET ads RD Pr A revene SG FS ea ME ONNIE ANNE N ENG aka CE EEN N EE re AN VERE AE ONE NE EE EG dis AL MA NE ANN EEN ee EN Document No SM 146 Issue A 14 03 06 Marl26 Engineering Co Ltd Rutland FM 1803 Installation amp Operation FM1803 Maintenance Schedule System Details Generator Serial Number Po System Voltage Control Unit Serial Number N Battery Capacity Battery Type Date of Installation ponie Interval Check Date Remarks Date Remarks Date Remarks ed Tail hinge for smooth free rotation General Condition Tower assembly condition Guy wire tension if applicable Document No SM 146 Issue A 14 03 06 Marl Engineering Co Ltd Rutland FM1803 Installation amp Operation LIMITED WARRANTY The Marlec Engineering Company Limited Warranty provides free replacement cover for all defects in parts and workmanshi
18. p for 12 months from the date of purchase Marlec s obligation in this respect is limited to replacing parts which have been promptly reported to the seller as having been in his opinion defective and are so found by Marlec upon inspection Defective parts must be returned by prepaid post to Marlec Engineering Company Limited Rutland House Trevithick Road Corby Northamptonshire NN17 5XY England or to an authorised Marlec agent This Warranty is void in the event of improper installation owner neglect or natural disasters and does not extend to support posts inverters or batteries No responsibility is assumed for incidental or consequential damage damage caused by the use of any unauthorised components No responsibility is assumed for non furling versions of the Rutland Windcharger ie the Standard and Marine generators where Marlec or one of its authorised agents finds that a generator incorporating a furling device should have been used Document No SM 146 Issue A 14 03 06 27 Marlec Engineering Co Ltd
19. rom vented batteries Ensure adequate ventilation is provided to allow efficient heat dissipation via the control unit vents These vents must not be covered or obstructed The unit is not weatherproof amp therefore must be suitably protected Mount the unit securely to a wall or other vertical surface using the mounting holes provided in a suitable location allowing for cable entries in the base of the unit The cable entries are fitted with blanking grommets which need to be pierced or can be removed for attachment of 20mm conduit fittings if required Front Panel fixing screws On Off Switch D Mount EE LED Indicators Vents a Mounting EN Hoes N int g i a Ui Front Panel fixing screws Fig 7 Control Unit Document No SM 146 Issue A 14 03 06 16 Marlec Engineering Co Ltd Rutland FM1803 Installation amp Operation BATTERIES Total 12v 400Ah 4800Wh Total 24v 200Ah 4800Wh Leisure Deep Cycle batteries are specifically designed for good performance in terms of charge discharge cycles Batteries are the most important part of your battery charging system and should be sized according to your load requirements and provide at least 3 days reserve capacity This will reduce cycling prolong the life of the battery and ensure system reliability during periods of low wind Jf in doubt about battery sizing contact your dealer or the manufacturer The minimum battery capacity recom
20. se of the control unit amp connect to the 2 terminals labelled for the battery It is vital to observe correct polarity when connecting the battery cables otherwise serious damage will result e Re connect the ribbon cable amp re fit the control unit front panel Move the ON OFF switch to the OFF position Wind G t Battery E Connections Connections S NESE d Voltage Identification label WARNING 12v HAZARDOUS VOLTAGE ENSURE TURBINE IS NG oe DISCONNECTING WIRES POLARITY Fig 10 12 amp 24v Control Unit Connections Document No SM 146 Issue A 14 03 06 19 Marlec Engineering Co Ltd Rutland FM 1803 Installation amp Operation FITTING THE GENERATOR TO THE TOWER e Connect the wind generator flying leads to the cable protruding from the tower using the connector block supplied or other suitable connector The generator output is 3 phase ac therefore these connections can be made in any sequence Wrap the connection with insulation tape to secure protect from the environment It is recommended that cable restraint is fitted to prevent the weight of cable applying excessive load to the connections a simple method of achieving this is shown in Fig 11 SE Cable From WG TN Cable Tie Connector Block Cable to Controller Ne Fig 11 Cable strain relief e Carefully locate the wind generator post adaptor int
21. sembly into the end of the tail boom aligning the threaded holes in the tail mounting with the clearance holes in the tail boom Insert the two M10 x 16 Button Cap Screws amp Shakeproof washers amp tighten to a torque of 20Nm When fitted the tail fin will be inclined 15 to the vertical Tail Assembly M10 Button Cap Screws amp Shakeproof WY washers 2 gt o EE Q Tail Boom Fig 5 Tail Assembly Document No SM 146 Issue A 14 03 06 14 Marlec Engineering Co Ltd Rutland FM1803 Installation amp Operation Tower Preparation e The post adaptor fitted to the 1803 is designed to fit inside a standard 81mm 3 internal diameter tube The adaptor is provided with a flat on one side to clear the weld seam on seamed pipe e Mark and centre punch four positions diametrically opposite at 45 to the pipe seam if necessary 20mm from the top of the tube e Drill four holes 12 5mm in diameter on centre punch positions amp remove burrs Post Adaptor M12 x 25 Button Cap Screws G sd E J amp Shakeproof Washers Oe Pipe Seam Top of Tower Fig 6 Tower Preparation Document No SM 146 Issue A 14 03 06 15 Marlec Engineering Co Ltd Rutland FM1803 Installation amp Operation Control Unit Installation The Control unit should be installed as close as possible to the batteries to minimise the length of the main battery leads at the same time the unit should be protected from battery fumes f
22. suitable mounting pole can be erected using 80mm 3 galvanised medium tube to BS1387 a minimum height of 6 5m 10m or greater is recommended The tube must be supported by a minimum of 2 sets of four guy lines The attachment points for the guy lines to the tower should be securely fixed to the tower e All items should be galvanised or stainless steel for protection against corrosion e Where guy lines are looped the loop must incorporate a thimble and be fitted with a minimum of three rope grips e All ground fixings must be made suitable according to the ground conditions Pivot type towers are recommended as these allow for easier installation and lowering for access to the wind generator for maintenance A form of pivoting tower is suggested in Fig 2 Non guyed pivoting towers are available for further tower details contact the dealer or manufacturer Document No SM 146 Issue A 14 03 06 10 Marlec Engineering Co Ltd Rutland FM1803 Installation amp Operation N ye i Ps P BEN A SN p 7 x a R4400 a N J V N NS N A S X N EG A A ge ax a ul N M wh NW ji Wy y WW MA Fig 2 Typical Tower Document No SM 146 Issue A 14 03 06 11 Marlec Engineering Co Ltd Rutland FM 1803 Installation amp Operation ASSEMBLY AND INSTALLATION OF THE WINDCHARGER Blade Assembly Assemble the two turbine
23. the major factor in the overall performance of your system The smooth flow of wind over land and water is often interrupted by a multitude of obstructions causing wind sheer and turbulence Wind sheer describes the interference between the fast moving upper air and the slow moving air close to the ground and the resulting decrease in average wind speed as one gets closer to the ground Turbulence is caused by the wind passing over obstructions such as trees and buildings Both wind sheer and turbulence diminish with height and can be overcome simply by putting the machine sufficiently high above them It is therefore essential that the wind generator should be located in an area as free as possible from disturbed wind flow Bear in mind that downwind obstructions can be as detrimental to performance as upwind obstructions Fig 1 AREA OF TURBULENCE WIND DIRECTION Document No SM 146 Issue A 14 03 06 5 Marlec Engineering Co Ltd Rutland FM 1803 Installation amp Operation SYSTEM DESCRIPTION amp PRINCIPLE OF OPERATION Aerofoil Blades amp Rotor The 1803 rotor consists of 2 glass fibre composite aerofoil blades rigidly fixed to a hub The blades are at an optimum fixed pitch for variable speed operation over a wide wind speed range During operation the rotor can rotate at high RPM the leading edge of each blade will strike any airborne solid particles eg sand grit hail etc at high velocity the impact could cause damage
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