What are the different methods for calculating Short Circuit Curren?

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Dear Sir, we met a disaster with our 62.5 kva genset, after rewinding we informed by our contract engg that due to return current coming in neutral & impropper earthing this happend. But after all set up & load balance we checked & found again we have about 20 to 32 amp return current on neutral. we have 12 airconditioner + 12 mini fridge on single phase line. Pl suggest any idea to solved this problem

3 Answers  

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HOW CAN I GET 5CORE HO7 CABLE SIZE IF I HAVE 1800A?

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Briefly describe means used by electricity suppliers to influence the flow of active and reactive power in power networks (one for each type)?

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help!!!! i bought a new house 2 yrs ago,ive just had 2 new lights fitted,when i boil the kettle,maybe 2 times in succession the safety light switch trips out,it dosnt do it straight away but it seems to do it when the kettle boils!!!!! sounds very odd to me

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1. Design a counter which counts 0, 4, 8, 2, 6, and repeats using: 1.a using JK flip flops 1.b using T flip flops 1.c using D flip flops

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what are the differant std sizes of cable trenches?

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why we dont store the ac power in battery?

1 Answers   TCS,

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In some countries it is found that an Earthing Transformer is connected at the LV sides of the Transmission and Distribution Substation Transformers.Actually what is the purpose the Earthing Transformer?

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why transformer rating is always in KVA

7 Answers   GNG, NTPC,

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What will be the current rating of Main switch for 80 kVAR panel

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Wy transformer ratings are in multiple of 11 always?

2 Answers  

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