i have 6oo kva dry type transformer and its neutral is not grounded even body of transformer ground i want to know it is safe or not ?

2 Answers  

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upto how many load can v connect to stabilizer which is used for tv

0 Answers   Sandvik,

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what is sustainable current of any conductors . a bare busbar or pvc cable has different sustainable current .

0 Answers  

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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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why we use primary delta connectin in hight voltage transformer

2 Answers  

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Why the outpet og DG is 415V not 440V?

1 Answers  

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what is the step by step formula for calculating bus bar phase and neutral size of a panel board.suppose the incomer of panel board is 100A..???step by step answer please

1 Answers  

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do you know measure the earth resistance?explain

1 Answers   Dalkia,

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What is diversity factor and how to calculate it

2 Answers   Al Faraa, Amul, Pentagon, Sobha Developers,

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How can I calculate the require lumen of a room. If I use Tube Light (40 W), Or 100 W incandescent lamp. Please give detail answer.

1 Answers  

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what is significance of B-H curve? how it differs form ordinary transformers to Amorphous Transformer?

2 Answers   BARC,

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how to protect motor in dol starter having capacity of 30 hp.40 hp?

0 Answers  

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