Answer / dhara. s

Marshelling box is generally erected at switch yard near the trafo & RTCC is erected at control room. MB is to marshell control cables from control & relay panel also from RTCC to OLTC & other supervision & cooling control system connected to transformer tank. RTCC panel is to operate tap & to supervise transformer heating & cooling conditions.

explain maximum demand factor

1 Answers   Sterling,

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what the effect will occur if we increase the airgap in induction motor

3 Answers   ONGC,

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why the rating of transformer in only KVA not in others?

7 Answers  

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WHAT ARE THE SITE TEST APPLIED ON A SURGE ARRESTORS? DO MEGGER TEST APPLIED ON SURGE ARRESTOR? IF YES THEN WHAT ARE THE ACCEPTED IR VALUE REQUIRED FOR SURGE ARRESTORS FOR VOLTAGE LEVEL 11KV, 33KV, 66KV 132KV, 220KV AND 400KV?

5 Answers  

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what is Electrical BMS

3 Answers  

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can we coorect P.F. OF 320 KVA ALTERNATOR AT LOCAL SITE WITH RATED .8 PF LAGGING.

1 Answers  

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how can we find of cable capicity in amper?how much ampere withstand by 300sqmm cable?

1 Answers  

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What are the applications of autotransformers?

0 Answers  

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I have 11KV/415V power distribution transformer. I have found unbalance current in LT (415V) side. Also observed that unbalance voltage (3V) at LV side due to HV side unbalance voltage. What should I check for this? Also, the same LV side load can run in balance on captive power.

1 Answers  

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can I connect 25KvA stepdown transformer(RYB-440V,UVW-240V) to the output of 15KvA,3-phase online UPS(440V phase to phase)please brief.

1 Answers  

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how calculate external illumintion in a compound area. for e.g. there is one open park having 600m2 area and i have to put 40w flouresent tube fitting with pole. how shall i calculate the numbers of fitting.

1 Answers  

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What may be happen if neutral and earth is shorted in a substation

3 Answers   Bureau Veritas,

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