What is the use of NULL meter on AVR panel

Answer Posted / naresh

Null meter is
continuously monitoring
the outputs of auto &
manual modes.if any
difference comes
between two modes, null
meter should
indicatess.......

Is This Answer Correct ?    52 Yes 3 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Why superheated are started before I'd and rd fan?

1679


How do you consider that you can improve and what assistance do you need to achieve this

1323


Looking for Bently Nevada surplus 3300/52-01-00-00 Reverse Rotation Monitor , 4 pieces.

2961


What is difference between secondary Air & Tertiary Air and Their use.?

1464


how to differentiate between "ALL fuel lost" and "All Fuel Lost" in Boiler MFT condition?

1217






what is restricted earth fault explain in details

1617


explain how the third harmonic content of the magnetising current affects transformer design

2760


We have Demin Closed cooling water system with expansion tank for cooling oil system. Expansion tank having N2 bladder. Whenever N2 bladder bursts out, Closed cooling water circuit pressure drops and make-up happening, eventhough there is no leaks. And how Circuit pressure drops?

1415


dear sir i have completed one year post diploma certificate in thermal power engineering from national power training institute durgapur ...plz suggest me for power sector job

2055


LAPT working in alternator / generator

2514


what is the difference between compensated & normal drum level in boiler drum?

1274


can u please tell me how to calculate the concrete quantity for a under reamed pile? r=300mm,depth=3m for a cylinder and for bulb l=.750mm,width=.525

1268


can dp type level transmitter work in under vaccum condition

1523


what does mean by kva rating

987


why is the in steam turbine axial displacement of active side thrust pad is positive and non active side thrust pad is negative.

2745