What is the use of NULL meter on AVR panel
Answer Posted / muneeb
NULL meter at balanced/0/NULL position means no difference
in output voltages of AVR & MVR (manual VR. Used for Smooth
tranfer from AVR to MVR during operation.
| Is This Answer Correct ? | 18 Yes | 3 No |
Post New Answer View All Answers
what does mean by kva rating
How do you consider that you can improve and what assistance do you need to achieve this
explain how the third harmonic content of the magnetising current affects transformer design
procedure of how to generate power in solar plant.
what is the difference between compensated & normal drum level in boiler drum?
Which will have more strain energy 1.Spring 2.Circular disc 3.Solid square plate.
operation
How We Calibrate the vaccum transmitter?
By any way can we increase the B check hours from 300 to 500
what is the meaning of SST300 V56A in SIEMENS turbine
how to differentiate between "ALL fuel lost" and "All Fuel Lost" in Boiler MFT condition?
DCS marshaling Cabinet Power supply can be replace during plant running time? Answer Yes it is possible. I am talking about the controller and cards power supply modules. They are always redundant and connected through diode so that if one power supply fails the other can take the charge immediately.so it is possible to replace one of them in running plant if the other one is healthy. MY question is how switching done.
some one can tell me how residual type excitation is provided through transformers to an AC generator without any battery or PMG&excitor
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?
what is the basic use of power plant in equipment