Interested to Buy Any Domain ? << Click Here >> for more details...
Why Earthin is not required in Xformer primary side when it
is in Star / star?
- 2 Answers
- 4790 Views
- I also Faced
- E-Mail Answers
Answer Posted / k.prakashchandra
Eatrthing primary neutral of star/star Tr at the receiving
end is of no use for protection and safety . At sending end
neutral is earthed and it is sufficient.
| Is This Answer Correct ? | 1 Yes | 1 No |
Post New Answer View All Answers
how to select overload-relay for perticular motor 1.for D.O.L. starter 2. for Star-delta starter ????
can you any one give exact mathematical relation between AC current and DC current?
. What is Electrical Life & Mechanical Life of Circuit Breaker? 2. What is Electrial Life & Mechanical Life of Magnetic Contactor? 3. What is RCD, RCCB & RCBO? 4. What is the Between defferance of RCD, RCCB & RCBO?
what is the purpose of bypass mode in energy lighting transformer?
HELLO SIR, IAM PREPARING HPCL EXAMS. SO PLS SEND MATERIAL OF HPCL ELECTRICAL ENG..TO VIJAY_8888@YMAIL.COM
Can we Co-ordinate relay in Load Break switch?
Different STANDARDS (BS, IS, IEC etc) gives different informations on CT specification. How they correspons w r t each other (i.e I mean to say BS provides "knee point voltage" but IS does not, then how can i select CT)
CT Ratio of a energy meter connection is Red Phase : 100/5A, yello Phase : 50/5A & Blue phase : 100/5 A what is the overall Multiplication factor
Generator,motor and alternator Working principal Please explain easily
th how could we differentiate between armoured copper and armoured aluminium cable what is the basic application? why we prefer the armoured copper as compared to armoured aluminium.
what are the precuation should be taken ahen installing power transformer,circuit breaker,current & potential transformer
what is the Transformer Impedence?How can calculate?
how to calculate mf when meter and cTPT detail are given
What is the physical significance of phase.. i.e. what is exactly the meaning in layman's language.. 1 phase, 3 phase etc ???
Why let through energy not considered for ACB breaker while cable sizing?
