Home

Here you can USER MANUAL

image

Contents

1. self healing with overpressure protection dry gas long life gt 130 000h capacitors 3 Highly reliable automatic power factor regulator with voltage current PF and current THD displays alarms for overvoltage over and under compensation 4 Fuse switch disconnectors with NH fuses for groups of capacitors 5 7 three phase detunning reactors vacuum impregnated temperature protected 6 Forced ventilation 5 HOW IT WORKS Please see the electric diagram annex 2 Depending on the reactive power consumption the automatic power factor regulator switches the contactors that introduce capacitor steps just enough to provide the necessary reactive current The user must set the target of cos FI read the regulator manual The default value of cos FI is 0 98 Between two same step connection the regulator waits for capacitors discharging reconnection time Inputs requested total load current from a current transformer 5A minim power 5VA mounted on L1 of three phase mains We recommend that the current transformer must be mounted alongside the current transformer of energy meter and must measure the total current loads capacitor bank Warning the capacitor bank does not include the current transformer POWER FACTOR CORRECTION AUTOMATIC CAPACITOR BANK TYPE QAR2 6 LOCATION AND INSTALLATION 6 1 The capacitor bank must be installed on sturdy floor standing away from sources of heat In fig 1 you can see the output c
2. 03 CT read phase L1 P 05 Voltage L2 L3 P 06 smallest step power etc You can see the default parameters in annex 1 7 4 Check that the power fuse disconnectors are closed then close control MCB In the beginning the pf controller displays loads power factor This power factor must be inductive between 0 6 0 9 If enough loads are connected the pf controller should close enough capacitor steps and power factor displayed increases up to target set If the power factor displayed is capacitive you must reverse cables in S1 and S2 terminals then see the display If now we have inductive power factor and the equipment will begin to connect the capacitors the installation is well done Disconnect some loads and check if power factor becomes capacitive and after that the equipment will disconnect some steps Finally the power factor will become POWER FACTOR CORRECTION AUTOMATIC CAPACITOR BANK TYPE QAR2 close to target PF set When there is no load connected to the mains the equipment must disconnect all steps please check 8 PERIODIC MAINTENANCE 8 1 Maneuvering by unskilled and untrained personnel is prohibited Working personnel should wear appropriate protective equipment in working time and must know the operating and installation instructions 8 2 Operation of equipment with the doors open is forbidden 8 3 All maintenance operations are performed by trained personnel authorized electricians for JT without voltage by di
3. ELNESS SRL CRAIOVA USER MANUAL CT 400 POWER FACTOR CORRECTION AUTOMATIC CAPACITOR BANK Pag 1 8 gy fe TYPE QAR2 ELECTRICAL EQUIPMENTS 1 Generalities 1 1 Destination User Manual refers to low voltage automatic capacitor banks QAR2 type 3x400V ca 50Hz for polluted networks with higher current and voltage harmonics where there is a significant number of electronic loads as rectifiers inverters etc the capacitor banks are equipped also with antiresonance detunning reactors We shall refer to it as capacitor bank or equipment 1 2 Symbolization The symbolization represent a letter and numbers group with the following meanings QAR manufacturer code QAR2 Low voltage and power capacitor banks with detuned reactors total reactive power in kvar number of steps and reactive controller used type 1 3 This equipment is for indoor use with following conditions without corrosive agents electricity conductor powder explosive or dust atmosphere max 1mg cbm Ambient temperature minim temperature 10 C maxim temperature 40 C medium daily temperature lt 30 C medium annual temperature lt 25 C relative humidity lt 80 la 20 C climate zone N We recommend installing so that the equipment is protected from direct solar radiation or other heat sources e Indoor rooms must have a good ventilation For ventilation must be used air conditioner or exhaust system proper
4. al contacts of terminals circuit breakers disconnectors coils contactors and capacitors tighten weakened contacts or take measures to replace equipment or cable connection that shows signs of damage with excessive heating of the insulation melting etc Inspect for soot stains on contactors and if there is check the state of electric contacts If damaged replace the contactor Check the status of earthing connections with the measure device This operation is written in the maintenance sheet Each month see the electricity bill to check the proper functioning of the system If this notice the reactive energy inductive or capacitive in excess contact the installer for checking the battery POWER FACTOR CORRECTION AUTOMATIC CAPACITOR BANK TYPE QAR2 9 MARKING TRANSPORT STORAGE ACCOMPANYING DOCUMENTS DELIVERY COMPONENTS 9 1 Marking product label includes producing company name the name and type of product year and the number of manufacturing rated parameters 9 2 Transport The capacitor bank can be transported by trucks or by rail During transport installation will be anchored properly will not be hit smashed and will be protected from strong vibrations 9 3 Storage Storing at beneficiary will be in closed room with climatic conditions described in paragraph 1 3 9 4 Accompanying documents Manufacturer offers beneficiary the following technical documentation electrical diagram capacitor bank user ma
5. ar 28kvar 440V 36 8 160 25kvar 400V 189Hz 7 50kvar 400V 189Hz 7 Controller type DCRL5 5 steps LOVATO POWER FACTOR CORRECTION AUTOMATIC CAPACITOR BANK TYPE QAR2 AUTOMATIC CAPACITOR BANK FOR POWER FACTOR CORRECTION 200kVAr 400V type QAR2 200 5L ELNESS SRL Craiova Drumul Ungurenilor 6 Tel 40251563113
6. ly dimensioned with inlet air filter 1 4 Manufacturing standard EN 60439 1 1 5 Warning It is mandatory that the beneficiary is informed of the contents of these instructions before installing and operating equipment Failure to comply will lead to removal from the warranty 2 DATA SHEET 2 1 Electric diagram annex 2 2 2 Main technical characteristics annex 1 ELABORAT DE INTOCMIT ing L Pufu VERIFICAT ing S Olar SC EL ness srl Craiova DATA 07 05 2015 DATA 07 05 2015 POWER FACTOR CORRECTION AUTOMATIC CAPACITOR BANK TYPE QAR2 2 3 Torque coupling assembly M6 M8 M10 M12 6Nm 15Nm 30Nm 55Nm 2 4 Lifetime 15 years compliance with user manual instructions 3 CHECK THE RECEPTION EQUIPMENT Before the installation please check the following 3 1 The equipment was not hit or damaged during transport 3 2 Equipment supplied is the type ordered by you and is what you need 3 3 Mains rated voltage is the same voltage specified on the equipment label 3 4 User manuals for capacitor bank and for reactive controller was delivered with the equipment 4 DESCRIPTION 4 1 The equipment is included in a metallic enclosure to be fix on the sturdy floor The metallic part of enclosure is electrostatic painted with RAL 7035 color The enclosure have one front door 4 2 Inside the enclosure there are 1 Special capacitor contactors with leading inrush current limiting resistances 2 Cylindrical aluminum case low loss
7. nk check with the voltmeter After the power supply 1 Reverse terminals S1 S2 measure current coupling displayed PF power transformer connections factor is capacitive even if no Check again phasing LI L2 L3 to the capacitor step is connected input terminals and if CT current transformer is mounted on phase L1 When coupling power supply 1 The amount of power reactive required the PF displayed is inductive but is less than the value of the first stage the capacitor bank doesn t insert of the bank You must turn on more steps loads you can read the value of the necessary reactive power displayed by controller 2 Inductive PF value is close to the programmed value it does not need steps connection 4 When coupling power supply 1 CT current transformer was wrong the PF displayed is inductive placed measuring only the load the capacitor bank insert steps current don t measure total current but PF displayed don t change load bank current 2 Capacitor bank power is much smaller than required reactive power Order a biggest capacitor bank or make an extension of the existing one During start up the display 1 There are no loads consumers doesn t show PF value it connected to the network or load displays an alarm code and the current value is very small capacitor bank does not connect 2 Check the alarm code significance in steps user manual controller 6 PF displayed is inductive 1 The capacitor ba
8. nk is undersized check the capacitor bank connects steps display for reactive power required value and PF value increases but does not order an extension reach the set value with all the 2 Check fuses could be burned steps inserted into the circuit 3 Check capacitors may have less value because of the burning of sections 4 Check the condition of contactors if power contacts are in good condition POWER FACTOR CORRECTION AUTOMATIC CAPACITOR BANK TYPE QAR2 12 ANNEXES electrical diagram Technical information Eng Lucian Pufu POWER FACTOR CORRECTION AUTOMATIC CAPACITOR BANK TYPE QAR2 ANNEX 1 Capacitor banks type QAR2 200 5L Technical information voltage supply 3x400V 50Hz control circuit voltage supply 230V 50Hz Total reactive power 200 kvar steps 2x25 3x50 kvar rated current 289A maximum current for electrical sizing switches connection cable 413 3A dimensions 1500x800x400mm weight 240 kg degree of protection IP 21 permissible short circuit current 35 kA location indoor Recommended values The copper single phase cable for power supply 150mm phase The copper single phase cable for ground 75 mm connection Breaker fuse protection at starting power cable 400A Current transformer pre setting value 400 5A PARTS LIST Capacitors reactors contactors Reactive Rated Reactive Current power voltage current power A kvar V A kv
9. nual controller user manual warranty certificate and declaration of conformity 9 5 Delivery components A complete delivery kit must content capacitor bank accompanying documents 10 LABOR AND FIRE PROTECTION RULES 10 1 Observe all working safety conditions and fire regulations stipulated in current standards for low voltage installations 10 2 All maintenance activities shall be made only after removing the power supply 10 3 After the power supply is disconnected wait for approx 10 min for capacitors discharge 10 4 check with the voltmeter the capacitor terminals must have no voltage 10 5 After that you can do the work 10 6 During the operation cabinet door will be closed with special key that will be kept by the maintenance electrician 11 ENVIRONMENTAL PROTECTION 11 1 15 years lifetime 11 2 After the lifetime capacitor bank will be delivered to recovery and recycled materials companies 11 3 Recoverable materials steel enclosure etc copper cables plastics 11 4 All components of the materials comply with environmental standards POWER FACTOR CORRECTION AUTOMATIC CAPACITOR BANK TYPE QAR2 11 TROUBLE SHOOTING TABLE PROBLEMS CHECKS The display controller does not 1 The main breaker separator and or light command circuit breaker separator is OFF Power or command fuses and or are burned The supply voltage is no present at the input terminals of the capacitor ba
10. onnections to current transformer and supply network TC S0 Hz 3x400 V To current transformer k 1 s1 s2 To main terminals neutral ETAn Capacitor bank Capacitor bank terminals 6 2 The connection to the mains of the capacitor bank should be made with copper cable with 1000V isolation voltage and the section in complience with maximum current input see annex 1 Warning the phase sequence connection must be from left to right L1 L2 L3 and N terminal conductor will be copper cable with 4mm2 section 6 3 The current input equipment terminals S1 S2 comes from a current transformer 5A minim power 5VA mounted on L1 of the three phase mains It will be used only for the capacitor bank The connection conductor from current transformer to S1 S2 terminals will be copper cable with 2 5 mm2 section If the distance to the capacitor bank is more than 5 m please use 4mm2 cable 6 5 The capacitor bank metallic enclosure will be connected to ground belt with copper cable with adequate section see annex 1 7 PREPARATION FOR COMMISSIONING AND OPERATION 7 1 Check with ohmmeter continuity of earthing circuit protection 7 2 Check tightening screws to power and control terminals contactors separators capacitors terminals 7 3 Check base menu of automatic power factor controller and change the parameters if needed see DCRLS instruction manual Pay attention on P 01 CT primary P
11. sconnecting the bank supply breaker After disconnection wait 10 minutes then check voltage at the terminals of capacitors 8 4 In the first month please check the supply voltage especially during periods when the load is small temperature inside the cabinet visual the condition of capacitors reactors contactors and connection cables measure the current through capacitors with a measuring device should not exceed 1 1xIn see Annex 1 tighten loose connections from contactors breakers capacitors coils after disconnecting the battery from the mains and after 10 minutes necessary for discharging and checking the absence of voltage with a measuring device 8 5 Every day check the proper functioning of the capacitor bank by viewing the information on the display controller power factor value and possible alarms Check the controller has disconnected capacitor steps without loads eg upon completion of the work program 8 6 For forced cooled capacitor banks the filters and the cabinet must be cleaned of dust by vacuuming once a month Change the filter if it is too clogged This operation is written in the maintenance sheet Check weekly visual the dust and if exists electrical metallic powders on bars bars supports devices disconnectors circuit breakers capacitors contactors and if it exists clean the equipment Check dust or metal powders source and try to remove it 8 7 Every four months check the status of electric

Download Pdf Manuals

image

Related Search

Related Contents

  Tripp Lite 2-Year Extended Warranty  

Copyright © All rights reserved.
Failed to retrieve file