For a 50MVA (138/69/13.8 KV) transformer, what would be the maximum demand in order not to exceed 80% of its operating capacity.

2 Answers  

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Why are calling lagging power factor is a inductive load?

2 Answers  

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why we define potections of Tourbo generator in Class A & B.

1 Answers   GIL,

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we r having 3 core 3 1/2, 4 core cables how we can know this cable has to be used for this purpose?

5 Answers  

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What is power factor why we should maintain the power factor unless what will happen

0 Answers  

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What is Goerges phenomina to start SYCHNOUSMOTOR?

1 Answers  

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what is AVP?

2 Answers  

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What do you meant by soft start?

1 Answers  

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what will happen if the secondary of current transformer kept open....

16 Answers   KSEB,

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what is mean impedance?

7 Answers   ONGC, Wipro,

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What is evaporator & condencer & compressor

0 Answers   Standard Chartered,

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WE are using a 63A MCCB(SIEMENS MAKE) for one of the feeder in LV substation panel.It is supplying to a lighting & power socket DB.Settings in the MCCB is Ir = 63 * 1 , Isd = 8 times of Ir , tsd = 0.5 sec( I2 t off). Sometimes this MCCB is tripping .But no trip in DB MCB. Can anybody tell me reason ? From where i can know about the MCCB settings?

5 Answers  

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