how does it help for selection of a transformer.

1 Answers   Reddy Labs,

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If the t/f capacity is 500KvA then what is Amps ratting of the main breaker.

5 Answers  

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what is formula for calculate thermal overload in new numiricalrelay( not in bimetal relay)?

0 Answers  

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On a 6 KVA UPS we have to provide a DC MCB for Battery bank of 16 nos (12 V 42 AH). What Shall be the current rating of DC MCB ?

0 Answers   TNEB Tamil Nadu Electricity Board,

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What are the advantages & disadvantages of a group electrive drive?

0 Answers  

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Sir, My doubt on cable sizing calculation, Load:74 KW calculated cable 1 run 50mm2. Now client asking us to reduce cable size by increasing runs. Sir, My question now when my mind strikes with 2 options 1) Divide load 74/2 = 36 and calculate cable for 36+36 making it 2 runs or 2) Simply i can divide 50mm2 /2 ie. 2 runs of 25mm2 Please suggest me sir

0 Answers  

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We have 420volts, Diesel gen-sets each 750kva 4nos. we are operating with bus bar duct having 10x150mm for each face 4nos. our question is what is the minimum gap required between each face? is there any satutory regulations?

1 Answers   Alliance One,

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how to convert 1 phase power to 3phase power by using induction motor. . . .

1 Answers   BK Anand,

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who is ohm's and his law ?

1 Answers  

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how long will take to burst/damage for a CT when secondary in open condition? Experienced: During switchgear testing(Primary current injection test) some of the CT are in open condition, but nothing happen's why?

1 Answers  

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State uses of different types of stsrters with different capacities of motors as below: a. up to 5HP b. above 5hp to 10hp c. above 10hp to 20hp d. above 20hp

0 Answers  

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what is the difference b/w ATS and HTS?

0 Answers   Mikano,

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