Answer Posted / balaji

CT- current transformer. used to measure the high capacity/
HT current.
PT-potential/voltage transformer. used to measure the ht
voltage.
these transformers are used for measuring, protection
purposes.

hi , i have 150 kw loud and we need 50 m cabil,i want to know wich size cabil we use. thanks

2096

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Power Factor Correction Panel (Manual & Automatic)

2146

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pls tell me function of closing coil of A.C.B.

3320

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For high frequency application we use which transformer?

1851

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what is the main parts of transformer? how it is functioning? pls giv the ans briefly.

1902

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explain me the relation between torque, frequency,speed,voltage and current in the 3 phase induction motor?

2194

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What are the basic elements used for modeling mechanical translational system?

1059

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Hi all I had applied for the RRB test in the ELECRICAL category. I would be pleased if any of you can sent me previous year question papers. Please forward the question papers to varshashahi@yahoo.com Thanks and regards Varsha

2127

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what is the pre charge circuit,what will be work which function it will be use plz tell me

1864

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there is an alternator 480 k.w, 400v,50hz, 4-wire running on load having leakage alternator body earthed current 38 A. is it within acceptable limit? if yes then give reference if no then how to bring within specified limit

1872

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What are the three constants associated with a steady state error?

1161

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Please, if 1kw is equal to 1.25kva; how then do I know how many kva in 7.5kw?

1577

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Where is servomechanism used?

1121

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i have install 750 kva distribution transformer at my site and want to do neutral earthing. what calculations should i follow to determine earthing conductor material and size?

2002

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How to decide whether A / B / C / D curve type MCB should be used?

2226

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