How the unidirectional torque produced in dc motor

2 Answers   CGL, Sail,

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Dear Sirs, I am a technical persons.In one of our Electrical Sub- Station, We have installed three numbers of 1250KVA ,11KV/0.415KV Transformer to feed the Factory load. We have found some abnormality. In one of our Transformers the leakeage current from transformer body to earth through earth continuity wire is almost 86 Amp but in other transformer it is (5-10)Amp. where the load current on three phase and neutral are respectively 1360Amp,1400Amp,1370 Amp & 176Amp. So please any technical person help me about the reasons of this situation and how I can rectify the fault. Moreover,I have measured the earth resistance of the Earth continuity wire which is less than 1 Ohm. Thanks Tapas Barua

3 Answers  

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what will happen if the frequency supplied is more than the frequency of the instrument...?

3 Answers  

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How to calculate approximate load loss of a distribution transformer by knowing %ge imp of transformer?

0 Answers  

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How to convert 110 volt alternating current to 12 volt direct current

2 Answers  

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hi friends ,iam working as genset AVR service engineer in electrical field from past 2 yrs throughout india . i plan to shift in some other job without travelling in same field because i con't travel,i dont know what i do for that so please guide me what job is suited for me,how i can serch the job please anybody helpme iam totally confused

0 Answers  

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how to estimate the breaker capacity of breaker,please give the one example( 6.6 kv breaker,800a)?????

2 Answers   Divis Laboratories,

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what is meant by armature reaction?

13 Answers  

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what is difference b/w earth and ground?

7 Answers   TATA, TCS,

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can anyone provide me a amf panel control wiring using ec-2 relay?

0 Answers   Electro Tech,

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for same rating of a transformer and induction motor which one will have higher magnetising current flowing?

2 Answers  

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what is active power and rective power and power factor

1 Answers  

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