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3HAB9271-1/01B
3HAB9271-1/01B
3HAB9271-1/01B
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leakage problems caused by the use of frequency converters in some fields to control motor leakage problems, leakage voltage ranging from dozens to 200 volts, the theoretical analysis and explanation of the cause of the fault are as follows. According to the function diagram of the inverter controlling the motor (Fig. 1) , the three-phase power is supplied to the IGBT through the filter capacitor, and then the three-phase power with adjustable frequency and voltage is used to control the motor. We all know that the three phase stator windings of an electric motor generate a rotating magnetic field by running a current through them. According to the principle of magnetoelectric induction, the casing of an electric motor generates a electromotive force, the magnitude of this emf depends on the switching frequency of the INVERTER IGBT. Due to the high switching frequency required for high performance control,
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GE FANUC SERIES SIX IC600YB915 AXIS
GE Fanuc A20B-2900-0490/01A A20B-2900-0490 SCC MODULE
GE FANUC A16B-2201-0856/03B A16B-2201-0856 BOARD
GE FANUC 90-70 A20B-1003-0870 IC697PWR711A IC697PWR7...
RELIANCE 814.56.00 814 56 00 DVZ INTERFACE
GE FANUC A16B-2200-0760/01A A16B-2200-0760 NEW
GE Fanuc IC600BF949K IC600BF949 I/O BOARD
UNIOP SCREEN MD00R-04-0045 MD00R NEW
GE FANUC A16B-1211-0030/02A A16B-1211-0030/04A A16B-121...
GE Fanuc A16B-1210-0200/02B A16B-1210-0200 BOARD