What happen when the AVR of the generator fails? Will it cause
power instability and total failure of the alternator?
- 8 Answers
- 35830 Views
- I also Faced
- E-Mail Answers
Answer Posted / jagan
When AVR fails a protection called Field Failure protection will come into picture and trip the generator.
When AVR trips the machine draws reactive power from grid n continue to run as Induction Generator but above synchronous speed which might damage the turbine.
It has 2 time delays
If Failure of field is associated with under voltage which might happen due to severe fault near the generator and AVR might trip not able to maintain the voltage, the generator is tripped instantaneously.
If the AVR fails and there is no U/V, a delay of 1-2 sec is incorporated hoping the AVR might restore.
PROTECTION ENGINEER 11 YEARS EXP
| Is This Answer Correct ? | 4 Yes | 0 No |
Post New Answer View All Answers
How do you consider that you can improve and what assistance do you need to achieve this
Qatar Fertiliser Company (QAFCO) Shortlisted me for interview (got the intel from my source) for Field Operator- Utilities post. Please let me know what kind of questions they asked? ... this position requires 5 years of experience in Power Plant and background Diploma in Electrical/ Mech. ... my Background is Electrical and I am a sub Assistant Engineer (Operation) at a private HFO based Power plant... PS: Please Let me know what preparation should I take to obtain the Interview which will be take place In Bangladesh soon
what is the meaning of SST300 V56A in SIEMENS turbine
How to calculate power press toneage
explain how the third harmonic content of the magnetising current affects transformer design
what is the difference between compensated & normal drum level in boiler drum?
why do you consider yourself a suitable candidate for this position
what is the basic use of power plant in equipment
Why superheated are started before I'd and rd fan?
some one can tell me how residual type excitation is provided through transformers to an AC generator without any battery or PMG&excitor
im try to calculating seawater flow required for SW-FGD system. I need a guide, equation or method to do it, can some one help me! Thanks very much
what does mean by kva rating
what is natural frequency of turbine shaft .
How We Calibrate the vaccum transmitter?
LAPT working in alternator / generator
