How many types of fault occur in a 3-phase power system?
Answers were Sorted based on User's Feedback
Answer / maruth sk
Two types of faults:
Upstream and downstream..
Upstream faults are such as over voltage, under voltage, low/high frequency, Buchholz, OTI, WTI, PRD, OSR
Downstream faults are over current, Earth fault
Is This Answer Correct ? | 0 Yes | 0 No |
Answer / maruth sk
Two types of faults:
Upstream and downstream..
Upstream faults are such as over voltage, under voltage, low/high frequency, Buchholz, OTI, WTI, PRD, OSR
Downstream faults are over current, Earth fault
Is This Answer Correct ? | 0 Yes | 0 No |
why dc supply is given to the field of alternator
How to convert KW to KVA or KVAR OR kvar/kva to kw?
I AM GOING TO ATTEND APTRANSCO ON 26TH OCT 08.PLEASE SEND ME ANY MATERIAL OR TYPE OF QUESTIONS OR EXP QUESTIONS.
Why we not use the impedance relay in protection of short transmission line ?
why wave traps are placed only at y and r phase?
what is post close & pre close of trip circuit supervision relay in circuit breaker control scheme?
If the 11 KV supply is fail. what will happened with it's breaker if it is supplay to the 11KV motor?
in cable joints procedure what electrical problems have been solved out ?
How to define Kirchhoff current law and voltage law along with simply examples.
Give the topology of current amplifier with current shunt feedback?
The ratio of white balls and black balls is 1:2. If 9 gray balls is added it becomes 2:4:3. Then what is number of black balls ?
why the value of k is more in shell typr transformers?