what type of relays used in transformers?
- 24 Answers
- 59945 Views
- APTransco, BSNL, I also Faced
- E-Mail Answers
Answer Posted / suresh kumar
There are many types of protection relays used in
transformers depend upon its construction, size, use etc.
They are
1. Buchholz relay for incipient faults like short ciruit,
winding temparature protection, oil temparature protection,
oil level protection, oil pressure protection, Pressure
relief valve (for oil filled transformers)
2. Differential protection
3. Thermal Protection
4. Earth fault protection
5. Over current protection
6. Over excitation protection(where OLTC is used) etc
| Is This Answer Correct ? | 64 Yes | 5 No |
Post New Answer View All Answers
what is JE exam?
what is the difference between electrical choke and electronic choke?
WHAT IS SUBSTATION & ACCORDING TO VOLTAGE HT,EHT SUBSTATION EXPLAIN IT
.php|
how to calculate insulation level of transformer?
What are the two basic types of transformers?
is there any chart showing the suitable cable size according to AMP and length ? for three phase motors
what is the isolation transformer. what is the isolator?
what is stper motor
What does bode plots shows?
What is the effect on 3phase induction motor if current setting knob of DOL kept at minimum current?
when ID fan will immediately stop through VFD what exactly cause and problem the ID fan
how can i find ct ratio of meter by seeing name plate of meter and how it should be used in MF calculation if it shows only-/1???
i applied for the ap transco please forward the freqventley asked QA
How to calculate the input cable rating for 10kva ups (3phase input and single phase output and also 3phase output, battery rating 65Ah)provide the formula also.thnx
