Answer Posted / mohan

generators and trasformers are rated i kva.kw=kvaxcos
(phi).the manufacture didn't no custmor load(in kw).one
more answer iron losses depends on supply voltage and cu
losses on current.so taht kvxi=kva

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

1919

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is it necessary to earth the rmu before cutting off the transformer winding?if yes why?

1872

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what is self capacitance of inductor

2368

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why the earth is taken minimum in supplying? wather it the proportional factor to getting work any equipment or a power plant?

1828

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How can two 3 phase transformers of same KVA and Voltage be connected in parallel?

1803

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when ac current flows thru d coil of a contactr,it energizes,magnetic field attracts d contact of the coil...nw wont dt ac current in d contct induce current back on to d coil thru mutual inductance leading to high currnt in d coil

1662

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I have 2500KVA transformer delta/star,13.8KV/380V provided with LV 4000A breaker. Already I have 2300KW motor feeder with a full load 90%. Is it possible to connect another 1600A from that breaker? If so how the calculation is done?

3761

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Either It Possible a dc Motor to Run On Ac Drive [ Ex : ACS 800 , Yaskawa F7 ] If it is Possible How Pls Inform Me dinesh_elect_eng@yahoo.com

1921

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How to calculate the sag of OPGW during stringing???

2536

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Is it possible to use a S1 duty class motor for crane application (S4)? If not, why?

2386

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how choose conductor&depending upon load

1829

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what is ps impedance test

2063

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if a number of plc s are there then how many modbus to be used

1914

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Why do we need interlocking in a HT metering or Ring main unit switchgear?

1950

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What is the working mechanism of OLTC in Power Transformers????

4279

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