what is relay

Answer Posted / rajeev

Relay is an electromagnetic device.

Is This Answer Correct ?    0 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What is meant by rotor?

811


WHY L-G FAULT IS MORE SEVERE IN TERMS OF RRRV?

2725


what is the current setting for different relay protection for transformer .

1761


What is mean by spike arrester(Voltage Operated)

1616


when ac current flows thru d coil of a contactr,it energizes,magnetic field attracts d contact of the coil...nw wont dt ac current in d contct induce current back on to d coil thru mutual inductance leading to high currnt in d coil

1273






What is the loss of power of transformer 220kv/33kv,63/80mva of % imp12.05 at 80%load

1401


May I know how much values to be set for earth fault, over current and short circuit values at 11kv side? I have 11kv van 1250amps rating. Present it's taking load 80amps?

1030


before transformer oil dielectric strenght tests are taken the oil should be allowed to settle to remove option 1 air bubbles 2 gasses 3 contamination 4 water

1189


How much load can take a 16 mm aluminum cable 3 phase

1268


what is the min and max ohmic resistance for the earthing rod installed for lighting poles for street light network

3039


1. If 8.35%Z means the percentage impedance of 132kV-line from power company, we will like to confirm its base capacity?

1545


If I bring a basic electric meter from the States and hook it up in Costa Rica in a development that has only one transformer for the 50 homes, will it still be accurate regarding the usage of kilowatt hours?

1499


if field breaker of generator is closed prior to its rated speed on a power generating unit. what will be the effect on generator, unit transformer and starting transformer.

1300


What is the main cause of magnetism?

1593


What do you mean by a current transformer?

648