3 Phase Motor Vfd Circuit Diagram. Use the wiring diagram on your motor to determine the correct wiring method. 3 phase induction motor control using variable frequency drive vfd variable frequency drive or vfd is the most popular and has found widespread use in industrial and domestic applications because of its ease of implementation.
Pin out connection diagram for vfd m fig. Land wires in conduit box on motor. The three phase r b and y are connected across the diode.
For programming the vfd m.
Star delta y δ 3 phase motor starting method by automatic star delta starter with timer. W2 cj2 ui vi wi w2 cj2 ui vi wi a cow voltage y high voltage z t4 til t12 10 til t4 t5 ali l2 t12 ti blu t2 wht t3 org t4 yel t5 blk t6 gry t7 pnk t8 red t9 brk red tio curry tii grn t12 vlt z t4 til t12. The introduced 3 phase vfd circuit created by me can be utilized for regulating the speed of any three phase brushed ac motor or perhaps a brushless ac motor. This is a basic circuit block diagram of a three phase vfd.
