What is the thumb rule for insulation value in bus bars, phase to phase and phase to earth for 11 & 33 KV system?
What is the thumb rule for insulation value in bus bars, phase to phase and phase to earth for 11 & 33 kV system?
How can we control or deduct harmonics?
What are the various types of LT panels? Name them.
Latest Answer: Low tension control panelMCC and PCC ...
Considering the short circuit fault, which switchgear is preferable, SFU OR MCCB? Which operates faster?
which one is popular in Indian Market and why? 2) Define SCPD. What is type2 co-odination?
3)
Latest Answer: For Short circuit fault, SFU is popular, but now days, In Indian market due to reduced rate MCCB with Earth leakage are mostly used as these are automatic and faster. ...
List the basic ways of determining the voltage standing wave ratio in a transmission line.
Latest Answer: VSWR is a ratio of Vmax to Vmin or Imax by Imin which can be theoretically determined by using smith chart or practically determined by using vswr meter. ...
List the basic ways of determining the voltage standing wave ratio in a transmission line.
Which of the following test are to be conducted for the determination of voltage regulation of a transformer.a. Load Testb. Short Circuit Testc. OC Testd. Retardation Test.
What is single and 2 pole circuit breaker?
Latest Answer: Single pole only connect in phase incoming and out going line the load. Single pole holes top one & bottom one. max rating - 25 amps. Two pole connect in phase & neutral. 2 holes top two & bottom two. max rating - 32. example mcb. ...
How we can step-up or step-down the DC voltage directly?
Latest Answer: We can do this with the help of a suitable chopper. Both types are available either step up or step down. ...
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