Interested to Buy Any Domain ? << Click Here >> for more details...
Answer Posted / raj
IT IS NEUTRAL DISPLACEMENT RELAY AND IT IS USED FOR VARIOUS
PROTECTION BUT THE PRINCIPLE IS THAT IN CASE OF NO FAULT NO
VOLTAGE IN RELAY ( IT USED OPEN DELTA VOLTAGE FOR RELAY
INPUT ) AND IF FAULT OCCUR IN ANY PHASE THEN UNBALANCED
VOLTAGE WILL GET ACROSS OPEN DELTA FOR RELAY TO OPERATE.
| Is This Answer Correct ? | 1 Yes | 0 No |
Post New Answer View All Answers
What is meant by reset level of the relay?
We have 250 KW x 2 motors, which are load from 25% to 100% varying load in every minute , so how can we compansate the power factor. pl give your opinions on the above subject.
Why arc quenching is used in Diode ?
how to calculate the settings for shaft ct protn in hydro generators
PLS MENTION QUESTIONS ASKED IN IOCL INTERVIEW FOR ELECTRICAL EGG??
DESCRIBEPNEUMATIC SYSTM OF ASH HANDLING PLANT
What is the differance between 2 dc motors of armature voltage 660 v and 440 v?
in Telecom DC system-why positive +ve is made earthed.and - ve is fed to load.
Explain the process of commutation in a dc machine.
volts=230 c=10mf a=??
why the colour of insultor stack , petticoat is brown. Is it has some technical reason.
Control wiring of a dol starter for forward and backward
which protection used in power plant?
What is zero of the system?
description about dry type transformers
