Answer / mohammed.muqtar

not less than one cable diameter between cables as per NEC 392.11(A)(3) for multi conductor cables in open single layer cables trays.

How we calculate the size of H.T cable for any transformer & rating of busbar for any L.T. panel?

3 Answers  

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Why PT voltages are measured with respect to ground? What do u mean by voltage or current polarized.

0 Answers   Grasim,

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WHAT SHOULD BE THE BEST CURRENT RATINGS (PRIMARY / SECONDARY)FOR A CT INSTALLED AT THE INCOMING 11KV PANE? WILL IT BE CALCULATED ON THE BASES OF MAXIMUM DEMANT VALUE OR ON SUM OF ALL TRANSFORMER'S KVA? NOMALLY MAX DEMAND REPRESENT THE MAXIMUM OPERATING LOAD OF THE PLANT AND TOTAL KVA OF (SAY 5 NUMBERS TRANSFORMERS) REPRESENT THE CONNECTED LOAD. WHICH i.e. MAX DEMAND KVA OR CONNECTED KVA ARE BETTER TO USE FOR CT CURRENT CALCULATION? PLEASE ANSWER.

0 Answers  

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how is the magnetic current test is different in delta-star and delta delta transformer.

0 Answers   Bhel,

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What are the types of relay ?

3 Answers  

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We are using Powerica make 100 KVA DG set. Whenever i connect compressor on DG load (Compressor Make Atlas Copco 5.5 kva) that time we face the lot of fluctuation on Dg output. Can you please suggest me how can prevent this fluctuation?

6 Answers  

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how can we chacke adiod in a circuit

2 Answers  

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I'm looking for a softcopy manual set for a Credence ASL- 3000. Anyone know where I can get it?

0 Answers  

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Is your generator is automated or manual if so do you know the circuits?

7 Answers   RRB,

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How to calibrate or test an LT Air Circuit breaker 440 volts, 35 KA, 800 Amps ?

0 Answers  

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what are the installation procedure of high voltage power transformer,CT,CB&PT?

0 Answers   Siemens,

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how to calculate the cable size depending on the amps?

1 Answers   Polycab,

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