2098DSD010X
2098DSD010XDN
2098DSD020
2098DSD020DN
2098DSD020SE
2098DSD020X
2098DSD030
2098DSD030DN
2098DSD030SE
2098DSD030X
2098DSD030XDN
2098DSD075
2098DSD075DN
2098DSD075SE
2098DSD075X
2098DSD075XDN
2098DSD150
2098DSD150DN
2098DSD150SE
2098DSD150X
2098DSD150XDN
2098DSDHV030
2098DSDHV030DN
2098DSDHV030SE
2098DSDHV030X
2098DSDHV030XDN
2098DSDHV050
2098DSDHV050DN
2098DSDHV050SE
2098DSDHV050X
2098DSDHV050XDN
2098DSDHV100
2098DSDHV100DN
2098DSDHV100SE
2098DSDHV100X
2098DSDHV100XDN
2098DSDHV150
2098DSDHV150DN
2098DSDHV150SE
2098DSDHV150X
2098DSDHV150XDN
2098DSDHV220
2098DSDHV220DN
2098DSDHV220SE
2098DSDHV220X
2098DSDHV220XDN
2098DSD005
2098DSD005DN
2098DSD005SE
2098DSD005X
2098DSD005XDN
2098DSD005XNV1
2098DSD0101746-N2
1746-NI4
1746-NI8
1746-NO4I
1746-NO4V
1746-NO8V
1746-NR4
1746-NR8
1746-NT4
1746-NT8
1746-OA16
1746-OB16
1746-OB32
1746-OB32/D
1746-OW16
1746-OX8
1746-P2
1746-P4
1769-IF4
1769-IF4FXOF2F
1769-IF4I
1769-IF4XOF2
1769-IF8
1769-IG16
1769-IM12
1769-IQ16
1769-IQ16F
1769-IQ32
1769-IQ32T
1769-IQ6XOW4
1769-IR6
1769-IT6
1769-L23E-QB1B
1769-L23E-QBFC1B
1769-L23-QBFC1B
1769-L31
1769-L32C
1769-L32E
1769-L35CR
1769-L35E
1769-OA16
1769-OA8
1769-OB16
1769-OB16P
1769-OB32
1769-OB32T
1769-OB8
1769-OF2
1769-OF4
1769-OF4CI
1769-OF4VI
法國福克斯菠蘿閥門定位器SRD991-BHFD1EA4NY-V01進口現(xiàn)貨三相電動機是應用很廣泛的電氣旋轉(zhuǎn)類工具,在電工維護保養(yǎng)過程中,我們經(jīng)常會需要判斷三相電動機三相繞組的首尾端,需要確保首尾端接線正確,因為三相繞組的首尾端接錯后,會使繞組中電流方向反向,造成磁動勢不平衡,三相電流嚴重不平衡,引起電動機振動和噪聲,轉(zhuǎn)速緩慢甚至不轉(zhuǎn)。如不及時切斷電源,還將造成繞組溫度急劇上升而燒毀電動機。三相繞組首尾端的判別方法有以下幾種。繞組串聯(lián)法(又稱燈泡法)。先用萬用表將繞組的6根引線分成3個獨立繞組,然后按-7所示的接法通以低壓交流電源(所加電壓應使繞組中的電流不超過額定值)。