Which of the following happens when star-delta starter is used ?
A)Starting voltage is reduced
B)Starting current is reduced
C)Both (A) and (B)
D)None of the above

Question

Quizplus · Accepted Answer

A star-delta starter reduces the starting current and consequently the voltage drop during start-up, which is achieved by initially connecting the motor windings in star configuration to reduce voltage, and then switching to delta configuration to allow full power operation.

Which of the Following Happens When Star-Delta Starter Is Used