Protective Relay Maintenance - Assessment Test

Protective Relay Maintenance - Assessment Test

Test your current knowledge of Protective Relay Maintenance through this short assessment quiz.

After completion, feel free to share this quiz with your friends or co-workers and see who scores the highest.

We also invite you to view our selection of Electrical Safety & Maintenance courses available to help you really take your electrical experience & skills to the next level.

First Name*  
Last Name*  
Company*  
Phone*  
Mobile
Email*  
 
 
The secondary of an energized current transformer should NOT be_____________.



What is the device number for a time overcurrent relay with an instantaneous unit?



The damping magnet of an induction disc relay is used for________________.



Which operating principle is used by induction disc relays?



Settings on the time dial of an induction disc relay determine the________________.



The control spring should momentarily carry ____________ while in service.



The induction disc should be ____________________.



The taps on the seal-in unit of the induction disc relay are typically_______________.



On a 50/51 relay, which contacts operate on a bolted fault?



With the time dial at 0 (zero), the disc contacts should be _________________.



The device number for an undervoltage relay is _______________.



What is adjusted on most induction disc relays to correct pickup?



What is the purpose of the restraint windings of a transformer differential relay?



If the transformer is a Delta-Wye, the differential CT's must be connected _________.



What is the device number for a differential relay?



The winding taps on a transformer differential relay is to compensate for____________.



Harmonic restraint has classically been tested using ____________________.



The operating principle generally used in directional elements is _____________.



Directionality is determined in a power system by observing __________________.



The Inst. unit of a WH. IRD ground directional overcurrent relay is ______________.