20AC037A3AYNACC0
20AC037A3AYNACC0
20AC037A3AYNACC0
20AC037A3AYNACC0
逆变器部分采用多单元并联方式,根据再生制动时直流母线电压的变化状况调节逆变器的输出功率大小,将直流母线电压恒定在某一设定值范围内,整机对外呈现电流源特性。
逆变器主要由直流接触器、逆变单元、滤波电抗器、交流接触器等部分组成,如图1所示,可实现逆变装置自动投入、撤出、滤波及检测等功能。
图1 逆变装置主回路拓扑
当车辆再生电制动且制动能量不能被其它车辆或用电设备消耗时,再生制动能量吸收逆变装置将该部分的能量,根据直流母线电压的变化自动调节逆变单元的输出电流大小,逆变为与电网电压同频、同相的交流电送回电网。
逆变主电路主要实现逆变吸收、自动并网及逆变电流调节等功能。逆变主电路由多路独立的逆变单元及控制装置等组成,逆变单元采用IGBT作为开关器件,控制装置通过PWM调节控制每条支路IGBT通断。并根据实际再生制动能量的大小调节并网电流,充分满足车辆的再生制动功能。装置具有过压、过流、温度、短路等多种保护功能。
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FANUC A20B-3900-0131/04A SPEICHERMODUL _
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FANUC I/O Circuit Board A20B-1001-0731
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FANUC Memory Modul A20B-3900-0053 NEW
FANUC A20B-1000-0852-02A BOARD A20B10000852_
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Fanuc Stromversorgung POWER SUPPLY A20B-9000-0710 Top
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FANUC A20B-1000-0770-01 POWER UNIT A20B1000077001_
Fanuc I/O-Board A20B-1000-0950 /03A A20B10000950
FANUC A20B-2900-0630-04C RAM A20B2900063004C_
FANUC A20B-2900-0610-02B CONTROLLER MODULE A20B2900061_
FANUC A20B-2900-0630-05D RAM A20B2900063005D_
GE Fanuc PC Model-B Board A20B-0008-0440
FANUC A20B-2900-0620-03A USPP A20B2900062003A_
FANUC A20B-0003-0880-02B BOARD A20B0003088002B_
FANUC A20B-0003-075-5-10E BOARD A20B-0003-075510E_
Fanuc A20B-0003-0755 3 AXIS Board A20B00030755 /10E
FANUC A20B-1001-0160 POWER SUPPLY
FANUC A20B-0007-0380-01A FUSE CIRCUIT A20B0007038001A_
Fanuc A20B-0007-0060 Control Puncher A20B00070060 /01A
Fanuc A20B-0007-0060 Circuit Board A20B00070060 02A
Fanuc CPU A20B-0003-0744
FANUC Graphik Card Control Board A20B-1002-0900
Fanuc A20B-0005-0690 A20B00050690 04D Main Board
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FANUC A20B-1000-0940-03B BOARD A20B1000094003B
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Fanuc A20B-0007-0060 Control Board A20B00070060 /03A
FANUC A20B-9000-0500 PULSECODER A20B90000500_
FANUC A20B-8100-261-08C BOARD A20B-3900-00042-02A_
FANUC A20B-3900-0130/
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Fanuc A20B-0004-0171 /10D A20B00040171 Axis Board DC
Fanuc A20B-0003-074 A350-0003-T744/07 Board
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Fanuc A20B-0003-074 A20B-0003-0745-14F A350-0003-T744/9
Fanuc A20B-0003-074 A20B-0003-0744-11 E Board
Fanuc A20B-0007-0110 System Board A20B00070110 new**
Fanuc A20B-0003-0755 3 AXIS Board A20B00030755 /10E
Fanuc A20B-0003-075 A350-0003-T754/07
Fanuc A20B-0003-075 A20B-0003-07454-10F A20B-0004-050
Fanuc A20B-0003-075 A20B-0003-07454-10 A20B-0004-500
FANUC LTD ADD.AXIS P/C A20B-0007-0090-C
FANUC 6MB POWER UNIT A14B-0061-B002-02 A20B-1000-0030
GE Fanuc I/O Board A20B-0008-0540 (bbbbb / Output)
Fanuc A20B-0003-0755 3 AXIS Board A20B00030755 /10E
Fanuc A20B-0003-0755 3 AXIS Board A20B00030755 /10E
Fanuc A20B-0005-061 + A20B-0005-058 Drive Board
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FANUC A20B-8002-0130-02A INVERTER A20B8002013002A _
FANUC Power Unit A20B-1000-0770-01 Power Supply
Fanuc A20B-0005-0375 A20B00050375 Spindle Board
FANUC I/O bbbb Adapter PCB A20B-2000-0410 NEW
Fanuc robot card A20B-1006-030
Fanuc robot card A20B-1006-074
Fanuc A20B-0008-0371 /02 A20B00080371 Spindle Control
FANUC A20B-3300-0032-01A SERVO CARD A20B3300003201A
FANUC A20B-3900-0074/01A SPEICHER A20B-3900-007401A
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FANUC A20B-3900-0132/04A SPEICHER A20B3900013204A_
FANUC A20B-3900-0053/02A SPEICHER A20B3900005302A_
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A20B-0007-0030/02A
FANUC A20B-1002-0860-03B RACK A20B1002086003B_
FANUC A20B-3900-0042-02A SPEICHER A20B3900004202A_
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FANUC A20B-3300-0090-06C CARD A20B3300009006C_
FANUC bbbbb UNIT A20B-0061-B103
FANUC A20B-0005-032 A20B0005032 Keyboard Panel
FANUC Control Board A20B-1000-0550
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Fanuc A20B-0003-0754 Master Board A20B00030754 /07E
Fanuc A20B-0003-0744 Memory Board A20B00030744 /08C
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