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6ES5431-8MD11
6ES5431-8MD11
6ES5431-8MD11
中间直流环节
逆变器的负载主要是异步电动机,属于感性负载。无论电动机处于电动或发电制动状态,其功率因数总不会为1,因此在中间直流环节与电动机之间总会有无功功率的交换,这种无功能量要依靠中间直流环节的电容器或电抗器等储能元件来缓冲。
中间储能元件采用大容量的电容,并联在直流环节上,电容两端的电压不能突变,因此直流环节的电压比较稳定,相当于恒压源。
中间储能元件改为一个大的串联电感,直流部分就相当于一个恒流源。根据中间电路储能元件的不同,变频器可分为电压源型和电流源型。
IR125Y-2
IR125Y-4
IR125Y-426
IR125Y-47
IR125Y-495
IR125YW-2
IR125YW-4
IR140Y-3
IR140Y-4
IR140Y-40
IR140Y-413
IR140Y-421
IR145Y-3
IR145Y-313
IR145Y-321
IR145Y-4
IR145Y-413
IR145Y-421
IR145Y-423
IR1570-434
IR1570-435
IR1570W-435
IR1575-434
IR1575-435
IR1575PG1-434
IR1575PG1-435
IR1575PG1W-435
IR420-D4-1
IR420-D4-2
IR420-D6-1
IR420-D6-2
IR423-D4-2W
IR425-D4-1
IR425-D4-2
IR450R-4
IR450RT-4
IR450Y-4921
IR457R-4
IR470LY2-40
IR470LY2-4061
IR470LY2-409
IR470LY2-60
IR470LY2-6012
IR470LY2-6013
IR470LY2-6015
IR470LY2-6021
IR470LY2T-6013
IR470LY-40
IR470LY-40
IR470LY-4011
IR470LY-4012
IR470LY-4013
IR470LY-4015
IR470LY-4016
IR470LY-4017
IR470LY-4018
IR470LY-4021
IR470LY-4023
IR470LY-4090
IR470LYRB-40
IR470LYRB-4015
IR470LYRB-4016
IR470LYRB-4021
IR470LYT2-6021
IR470LYT-40
IR470LYT-4013
IR470LYT-4015
IR470LYT-4018
IR470LYT-4021
IR470LYT-4090
IR470LYT-4091
IR470LYTRB-4013
IR470LYW-40
IR470LYW-4013
IR470LYW-4018
IR470LYW-4021
IR474LY-421
IR474LY-4921
IR475LY-4
IR475LY-413
IR475LY-415
IR475LY-416
IR475LY-417
IR475LY-418
IR475LY-421
IR475LY-423
IR475LY-P49213
IR475LYRB-4
IR475LYT-4
IR475LYT-413
IR475LYT-421
IR475LYT-423
IR475LYT-429
IR475LYT-4921
IR475LYTRB-413
IR478LY-4
IR478LY-416
IRDH265-3
IRDH265-322
IRDH265-323
IRDH265-4
IRDH275-415
IRDH275-4227
IRDH275-425
IRDH275-427
IRDH275-435
IRDH275-49327
IRDH275-49335DB
IRDH275B-4227
IRDH275B-425
IRDH275B-427
IRDH275B-435
IRDH275BM-727
IRDH275B-R427
IRDH275B-R435
IRDH275BU-627
IRDH275BU-635
IRDH275BW-4135
IRDH275BW-425
IRDH275BW-427
IRDH275BW-435
IRDH275U-435
IRDH275W-4227
IRDH275W-425
IRDH275W-427
IRDH275W-435
IRDH365-3
IRDH365-322
IRDH365-323
IRDH365-4
IRDH375-415
IRDH375-4227
IRDH375-425
IRDH375-427
IRDH375-435
IRDH375B-415
IRDH375B-4227
IRDH375B-425
IRDH375B-427
IRDH375B-435
IRDH375BW-427
IRDH375BW-435
IRDH375W-425
IRDH375W-427
IRDH375W-435
IRDH575B1-4227
IRDH575B1-4235
IRDH575B1-425
IRDH575B1-427
IRDH575B1-435
IRDH575B1W-4227
IR475LY-4
IR475LY-413
IR475LY-415
IR475LY-416
IR475LY-417
IR475LY-418
IR475LY-421
IR475LY-423
IR475LY-P49213
IR475LYRB-4
IR475LYT-4
IR475LYT-413
IR475LYT-421
IR475LYT-423
IR475LYT-429
IR475LYT-4921
IR475LYTRB-413
IR478LY-4
IR478LY-416
IRDH265-3
IRDH265-322
IRDH265-323
IRDH265-4
IRDH275-415
IRDH275-4227
IRDH275-425
IRDH275-427
IRDH275-435
IRDH275-49327
IRDH275-49335DB
IRDH275B-4227
IRDH275B-425
IRDH275B-427
IRDH275B-435
IRDH275BM-727
IRDH275B-R427
IRDH275B-R435
IRDH275BU-627
IRDH275BU-635
IRDH275BW-4135
IRDH275BW-425
IRDH275BW-427
IRDH275BW-435
IRDH275U-435
IRDH275W-4227
IRDH275W-425
IRDH275W-427
IRDH275W-435
IRDH365-3
IRDH365-322
IRDH365-323
IRDH365-4
IRDH375-415
IRDH375-4227
IRDH375-425
IRDH375-427
IRDH375-435
IRDH375B-415
IRDH375B-4227
IRDH375B-425
IRDH375B-427
IRDH375B-435
IRDH375BW-427
IRDH375BW-435
IRDH375W-425
IRDH375W-427
IRDH375W-435
IRDH575B1-4227
IRDH575B1-4235
IRDH575B1-425
IRDH575B1-427
IRDH575B1-435
IRDH575B1W-4227
IRDH575B1W-4235
IRDH575B1W-435
IRDH575B2-435
IRDH575B2W-435
IREH470Y2-6
IREH470Y2-613