To detect an over – current fault condition, the most reliable method is to connect a_____________?

(A) Current sensor across IGBT (X)
(B) Voltage sensor across IGBT (X)
(C) Current sensor in series with IGBT ()
(D) Voltage sensor in series with IGBT (X)

Answers: To detect an over – current fault condition, the most reliable method is to connect a Current sensor in series with IGBT.