NEC Electrical Engineering

Nepal Engineering Council Registration Examination — Electrical Engineering (AElE)

Power System ProtectionEnglish
Exam overview

Practice session

A 5 A IDMT overcurrent relay with a plug setting of 125% is fed from a 400/5 A CT. What is the plug setting multiplier (PSM) for a primary fault current of 4,000 A?

Loading your practice session…