Answer Posted / vikas kumar
that is 2 types of power transfomer protection 1. main protection
2. back up protection
main protection eg: diffrenceal relay protection.
back up protection eg: IDMT over current
& earth fult, dc logic protectio (buchholz, PRV, MOAG,SPR) etc.
| Is This Answer Correct ? | 1 Yes | 0 No |
Post New Answer View All Answers
What does the letter CTNM in negative phase sequence relay means?
how oil in the MOCB was reduced compared with OCB? what are the features of the MOCB?
how do u gauge the size of the cable ?for eg. consider a 300 sqmm L.T Cable.How do u determine the size of the cable seeing it pratically?
How to know about the rating(voltage and other) of induction motor if its name plate is missing at the manufacturing site.
Plz tell me how we can find that particular company has vacancy or not
by what factor the starting current is used when comparing star and delta connection for motor starting?
What Normal(Tangent) towers and Tension(Cut-point) Towers?
What are motor generator sets and explain the different ways the motor generator set can be used ?
placing earthing pit in pathway is correct or wrong??. placing earthing wireGI1/18 inside walls is correct or wrong?. explain!!!
while doing high voltage test on 11kv/433 distribution transformer why we only give 28 kv on hv side and 3kv on lv side for power transformers what is the value what factors it depends
can you please send me the technical questions and aptitude questions of honeywell and jindal steel electrical engg. question paper my e-mail ID is(kkesavanraj@gmail.com)
How they LT panel busbar size choose
Explain Continuous and Discrete signals?
nwhat are the main Components of servo motor?
PAC and simple Ac different
