what is the method to measure the transformer current carrieng capacity in three phase.

1 Answers  

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i have some screw comprressor with 630kw power,i have established them with simple star to delta circuit,by the way there is so much inertia when the screw comprressors start, can you offer me contactors power with 400vac or any cataluge to choose the contactors

0 Answers  

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what is the difference between relay and a contactor.

5 Answers   Siemens,

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What is application of MCB & How it works

1 Answers   TATA,

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what is the affect of earth's magnetic field on the frequency used in aircraft???

0 Answers  

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Why we transmit the power at the voltage in the multiple of 11 or 1.1 like 11kv, 22kv, 66kv, 132kv...... some one told me that it is due to fomr factor 1.1 of sine wave. its fine but while transforming we can choose any voltage, so why only multiple of 1.1 there also.......? plz tell me.

7 Answers  

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how to testing the AC 3 phase motor? and what is the test procedure & kits required for testing?

3 Answers  

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Why ct secondary is not kept open while primary charged. Answer in terms of ct parameters.

4 Answers   Power Grid,

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Can any one know what are the symbols at the down (below) the analog ammeter??? there are 4 symbols which are they ?????

0 Answers  

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In hydel power plants, L.A's, S.C's are placed inside the control panel boards. what is the purpose? [already the total body was earthed to ground.]

0 Answers  

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1.What is captive power plant? 2.What is national grid?Give brief idea.

0 Answers  

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how can service sitting be setted for MCCB?Example for sittings IR (CURRENT RATING),IS(CURRENT STARTING)IO (current operating)?

0 Answers   Schneider,

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