长期回收以下型号:
TLV376IDR
TLV379IDBVR
TLV379IDBVT
TLV379IDCKR
TLV379IDCKT
TLV379IDR
TLV4021R1YKAR
TLV4021R2YKAR
TLV4021S5YKAR
TLV4031R1YKAR
TLV4031R2YKAR
TLV4041R2YKAR
TLV4051R1YKAR
TLV4110ID
TLV4110IDG4
TLV4110IDGNR
TLV4110IDR
TLV4110IP
TLV4111CD
TLV4111CDGN
TLV4111ID
TLV4111IDG4
TLV4111IDGN
TLV4111IDGNR
TLV4111IDGNRG4
TLV4111IDR
TLV4112CD
TLV4112CDGN
TLV4112CP
TLV4112ID
TLV4112IDGN
TLV4112IDGNR
TLV4112IDGNRG4
TLV4112IDR
TLV4112IP
TLV4112TDA1
TLV4112TDA2
TLV4113ID
TLV4113IDGQ
TLV4113IDGQR
TLV4113IN
TLV4113MDGQREP
TLV4120IDGN
TLV4120IDGNG4
TLV4120IDGNR
TLV4170ID
TLV4170IDR
TLV4170IPWR
TLV4171ID
TLV4171IDR
TLV4171IPWR
TLV4172IDR
TLV4172IPWR
TLV431(美台)
TLV4313IPWR
TLV4314IPWR
TLV4314QPWRQ1
TLV4316IDR
TLV4316IPWR
TLV4316QPWRQ1
TLV431ACDBVR
TLV431ACDBVRE4
TLV431ACDBVRG4
TLV431ACDBVT
TLV431ACDBVTG4
TLV431ACDBZR
TLV431ACDBZRG4
TLV431ACLP
TLV431ACLPE3
TLV431ACLPR
TLV431AID
TLV431AIDBVR
TLV431AIDBVRE4
TLV431AIDBVRG4
TLV431AIDBVT
TLV431AIDBVTE4
TLV431AIDBVTG4
TLV431AIDBZR
TLV431AIDBZRG4
TLV431AIDE4
TLV431AIDR
TLV431AIDRE4
TLV431AILP
TLV431AILPE3
TLV431AILPM
TLV431AILPR
TLV431AILPRE3
TLV431ALPG
TLV431ALPRAG
TLV431ALPREG
TLV431ALPRMG
TLV431ALPRPG
TLV431AQDBVRQ1
TLV431AQPK
TLV431AQPKG3
TLV431ASN1T1G
TLV431ASNT1G
TLV431BCDBVR
TLV431BCDBVRG4
TLV431BCDBVT
TLV431BCDBVTG4
TLV431BCDBZR
TLV431BCDBZRG4
TLV431BCDBZT
TLV431BCDBZTG4
TLV431BCDCKR
TLV431BCDCKT
TLV431BCLP
TLV431BCLPR
TLV431BCPK
TLV431BIDBVR
TLV431BIDBVRG4
TLV431BIDBVT
TLV431BIDBVTE4
TLV431BIDBVTG4
TLV431BIDBZR
TLV431BIDBZRG4
TLV431BIDBZT
TLV431BIDBZTG4
TLV431BIDCKR
TLV431BIDCKT
TLV431BIDCKTE4
TLV431BILP
TLV431BILPR
TLV431BILPRE3
TLV431BIPK
TLV431BLPG
TLV431BLPRAG
TLV431BLPREG
TLV431BLPRMG
TLV431BLPRPG
TLV431BQDBVR
TLV431BQDBVRE4
TLV431BQDBVRQ1
TLV431BQDBVT
TLV431BQDBVTE4
TLV431BQDBVTG4
TLV431BQDBZR
TLV431BQDBZRG4
TLV431BQDBZRQ1
分析起来,是因为启动时间太短,母线电容的电压瞬间被掏空了,而整流器瞬间有大的电流充进来,引起母线电压突然变高,这样母线的电压波动太厉害,瞬间可能会超过了700伏,加上了制动电阻,就可以及时消除这个波动的高压,让变频器工作在正常状态。还有一种特殊的情况,是矢量控制场合,电机的扭矩和速度方向相反,或者工作在零转速扭矩输出的场合,比如吊机掉了重物停在半空中,收放卷场合需要力矩控制,都需要让电机工作在发电机状态,源源不断的电流会反充到母线电容中,通过制动电阻,就可以及时消耗掉这些能量,保持母线电压平衡稳定了。