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The Function Of IGBT (Insulated Gate Bipolar Transistor) in VFD (Variable Frequency Drive) is high switching speed necessary for PWM VFD operation.
IGBT provides a high switching speed necessary for PWM VFD OPERATION.
A VFD IGBT can turn on in less than 400 nanoseconds and off in less than 500 nanoseconds
IGBT is a three terminal insulated bi-polar transistor. it is used as the switch in power electronics.vfd will operate and protect and control the frequency of the A.C. input signal.