施耐德变频器ATV71系列维修资料.ppt

《施耐德变频器ATV71系列维修资料.ppt》由会员分享，可在线阅读，更多相关《施耐德变频器ATV71系列维修资料.ppt（64页珍藏版）》请在三一文库上搜索。

1、ATV71 trainingATV71 product application and element instruction成都西骋科技有限公司WWW.CDXCKJ.COMCONTENTSATV71 PRODUCT STRUCTUREELECTRICAL STRUCTUREPHYSICAL STRUCTUREControl blockNote:This figure is not the one of final structure and is only for outline explanation S2-3Note:This figure is not the one of final

2、 structure and is only for outline explanation 18.5-37kWS4-5A18.5-37kWS5BS6-8ELECTRICAL STRUCTUREATV71 up to 18kw diagramCapital electrical components for Athena Inverter unitHCT(5.5-18kW)Shunt resistor(Up to 4kW)IGBTREC(Diode bridge)ATV71 up to 75kw diagramCapital electrical components for Minerve

3、Inverter unitREC(up SCR,down Diode bridge)IGBTControl blockCustomer Inputs/outputs Control Board 26 pts40 pts40 pts C V850EIA2S 100 S102 C SH7055Application Board S102S3S106S 103S106S2S1Terminal BoardS105S105Display BoardS104 S104 KeyboardS105 DisplayTo Power boardControl blockDisplay board,terminal

4、 board and application board and motor control board consist of control blockDisplay boardMembrane switchTerminal boardMotor control boardApplication boardControl blockFunction diagramKey inputting circuitDisplay boardLED drive circuitSerialPCPCDC/DCLDO regulatorRYTerminal input circuitRJ45P24SFLRS4

5、85I/FV/I conversionCANI/FCPUSCISCITimerOSC(20MHz)ResetAnalog voltage output filterTimerCharge LEDAnalog input circuitA/Dterminal boardP5P10P24application boardRS485I/FRJ45Drive boardP24PWRMotor controlApplication boardP24M1 are supplied from Drive board by S103 connectorthen P24M1 produce P15M P5M P

6、11M N12MP15M N12M produce+10V output AI1 input circuit Ao output circuitModbus circuitATV71 have two RJ45 conncetor,so there is two Modbus circuitLogic input circuitP5CPUP24SW1RT1N431MInput TerminalCLIC2C12SA16032SA1603FUSELi6 input circuitAttention the position of SW101,one for logic input,the othe

7、r for PTC inputPWR protection function To detect external fault,normally short circuit with P24V.External circuit supply+24V for PWR as warning signal.Once external circuit failure,low voltage forward to PWR,the inverter will forbid the up IGBT bridge output,it mean forbid output.APPLICATION BOARDRe

8、setCPUA/DSCITimerPCTimerPCEEPROMSample hold circuitGTR7MSRYMotor control circuitP5VDETTHRIuIvIwGate signals T1.T2.T3.T4.T5.T6SAFEOSC(20MHz)Motor control circuitFunction diagramsafeEncode signal24VBLICBTRIPCFUWCFVWCRCFBCTFSDAPSLCPPASSBCVDRIVE BOARDResetOPTION BOARDApplication boardS106 to terminal bo

9、ardS102 to motor boardS105 to display board and option boardS103 form drive board,offer P24 and fan signalThe circuit P24 produce P15 P5Ai1 Ai2 Ao circuitADM485 for terminal boardterminal boardS106 to application boardSW100 for source or sink selection SW101 for PTC or Li6 selectionRJ45 for MODBUSPW

10、R terminalMotor control boardS101 for option card S102 to application boardS100 to drive board,get some feedback signal(current,voltage)Drive board Power unit S 100 IGBTInverterGate DriverMotor Connection SupplyS 103EMC FilterInput RectifierSoft-chargeDC FilterUVWL1 L2 L3S110 S120 FAN24 V customer a

11、nd fan cmdINSULATIONPOPAPBPCApplication Board Motor Control Board Switch power Supply start-VCA+VCAUp to 18.5kw,supply start get from DC bus voltage.Over 18.5kw,supply start get from AC input due to SCR rectifierL1L3L2+VCAFirst by half rectify to supply switch power,get+VCA and supply start signal.A

12、fter switch power start,it control SCR working,then Dcbus circuit offer the+VCA for switch power circuit.Safe(PWR signal)circuitSafe signal control the output of CMD2,CMD2 drive the gate signal.so if PWR signal is low voltage,CMD output low voltage,then hardware forbid up IGBT bridge,the inverter no

13、 output.Gate drive circuitUp to 4KWUP IGBT bridgedown IGBT bridgeSafe control CMD2Gate drive circuit4KW to 7.5KWUP IGBTdown IGBT11KW15KW to 18.5KWOver 18.5KWSCR drive circuit(over 18.5KW)Input phase detection circuitCurrent detect circiutPhase UCurrent SensorPhase VCurrent SensorPhase WCurrent Senso

14、rDifferential AmplifierPhase UMicro-controllerDifferential AmplifierPhase WDifferential AmplifierPhase VIuIvIwOver current detect circuitSmall sizeOutput(phase to phase)short circuit detectOutput(phase to phase)short circuit detectSmall sizeCurrent protection circuit For S7-S8Current protection circ

15、uit For S7-S8 Phase to ground short circuit Up to 18.5kw Voltage detection circuit Voltage detection,DC-DC charge-up circuit.PNDC bus Voltage detectto CPUOutput voltage detection circuit(up to 18.5KW)Output frequency catch circuit Output voltage detection circuit(18.5kw-75kW)Over current detection for minskiipSend to IC3010VH1.The circuit is to detect IGBT status,if wrong,INV display SCF.2.over current is calculated by feed back sensor.Connector of drive board defined(22KW)Connector of drive board defined(up to 75KW)Connector of drive board defined(up to 18.5KW)S3S4-S5