What happens when the polarity changes in CT? Explain
briefly?

Answer Posted / karan

if CT use as a protection then relay Operate for reason
revers current and another case CT use as metering then
meter slowly moving

Is This Answer Correct ?    0 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Define peak overshoot.

796


sir am giving jspl exam on 19th oct . i belong to eee, so plz send previous question papers ..........to dis id abhilash203@gmail.com

1995


why incomer bay is required before transformer bay if there are more than 1 nos. of transformer bay.

2625


can you plz send l&t aptitude questions if available its urgent plz plz plz

1650


What is bode plot?

811






from which subjects most of the technical que will b asked for hpcl(electrical).pls help me

1575


WHAT IS THE FAULT WHEN 100HP TURBINE MOTOR TRIPS, LIST THE FAULTS AND ITS TRABULESHOOTING TIPS.. MY AUTO TARNSFORMER STARTER TRIPS

1626


how to do the ductor test?

6562


i have gear oil pump with single phase motor.some time its motor starts running in reverse direction rather than forward direction...whats the reason behind this issue. 1- either capacitor is week? 2- or winding is week?

846


wHAT IS CAPACITANCE LATCHING? hOW TO CALCULATE CAPACITANCE LATCHING? hOW TO SOLVE THE PROBLEM IF CAPACITANCE LATCHING APPLIED?

1543


what rectifiers is and what are the types of rectifiers?

630


On a 3 winding transformer YNynd11, how do you apply REF protection to the Delta tertiary winding that is supplying auxiliaries to a substation?

3610


what is meant by IGBT how they differ from tyristor ?

1935


A Question Like A Wire Is Wound Whose Resistance Is Some 132. 44647 Ohms. If A Voltage Of 30 mv, 296 Ma Current Is Applied To It What Is The Resistance.

625


How to do cable sizing calculation for 750 A Neutral Earthing resistor for 33kv. the 33kv cable going to swbd. is 630mm2 3 runs.

4323