Think You Speak Electrician? Prove It!

Think You Speak Electrician? Prove It!

Why is "star-delta starting" used for 3-phase induction motors?

80%
Correct Incorrect Star-connection reduces starting voltage to 1/√3 of delta, limiting inrush current.

Why is "star-delta starting" used for 3-phase induction motors?

  • Increase rotation speed
  • Reduce starting current
  • Boost power output
  • Reduce starting current
80%