What are the different protection systems takes place on
control panel board?

Answer Posted / rajendran.m

Earthing system.

Is This Answer Correct ?    9 Yes 1 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

please send the last 5 years {{{JUNIOR ENGINEER - ELECTICAL, ELECTRONICS RRB CHENNAI and secundrabad}}} TECHNICAL question papers TO MY EMAIL ID dinesh100701@gmail.com

1702


As an electrical engineer what are the responsibilities which i can hold in TCS?

1713


Explain the terms real power, apparent power and reactive power for ac circuits and also the units used.

631


Why air circuit breaker off due to power failure?

708


what is cogging and crawling

2013






Cables Construction hi friends, 0.6/1/1.2 kV LV , DC and Control cables are concentric copper conductor what does its means and what is the use of concentric copper conductor,and are this with copper tape shield or copper screening, ? thanks

1297


what is the benefit of floating our DC source? if i have two floating DC source of which 1 has a ref voltage of -21VDC and the other of -18VDC. can it be connected in parallel to share a common ref voltage? if not, how do i make both sources to be of common ref voltage? tks

1410


WHY IL=IPH IN STAR AND WHY IPH=IL/1.732 IN DELTA? WHAT IS REASON BEHIND IT?

5587


why is a power transformer used only occasionally?it is used to step up at generating stations?and that needs to be done all day long !!!!!!!

1375


what is the minimum recommended leakage current of an earthed cable connected to the body or skid of an alternator

1554


What is the simplest formula to calculate the rotor diameter of a synchronous generator?

1909


What do you mean by Frame 5 Gas Turbine as well as Mark II.

2047


Transformer how to maintaince a check b check c check d check

1531


1)How much current can a 3-1/2 core 100 mm wire carry? 2)What are the special cables required for explosion proof wiring? 3)In case you do not have coal and salt for earthing, how can you achieve good temporary earthing? 4)One horse power single phase motor is more likely to get hot than a one horse power 3 phase motor. Is it true or false, if true why? 5)What are the different types of soft starters for large motors?please explain?

4221


why booster transformer is used in sumpners test conducted on transformer????

3079