Why the steam turbines are run at high speed where as the hydro turbines are run at low speed?

1 Answers  

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How to calculate cable size? How to O&m of vcb?

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( Re: WHAT SHOULD BE THE RATING OF MCCB FOR 415V,3Ph,50KVAR CAPACITOR BANK Answer # 1 The capacitor current would be kvar x 1000 / (415 x sqrt3). This would be 70a approx. The MCCB selected should have *atleast 1.4 times this current i.e. 1.4 x 70= 98. So you should choose at least 100 A mccb.) regarding to this answer,i would like to know why the current have to times 1.4 to get the right amphere for the mccb.hows the formula to get the 1.4??tq

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In my 3 phase 4 wire electrical system N to earth voltage is 0.08 is it ok What is standard for it ?

1 Answers   Kay Bee,

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Name quantities which are not transformed in the tranformer.

3 Answers  

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why back up fuse used in vacuum magnetic contactor?

1 Answers   KNPC,

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how can we measure 220kv or more than these voltages ...?and also how can we conform whether we r getting 220kv from generating stations throuth the h v transmission lines?

1 Answers  

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how many types of cbs?with pcific ratings?

1 Answers   Bhel,

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What is Procedure the procedure to select CT's & PT's in 66kV and above substation?

3 Answers   Infotech, Vijai Electricals,

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why we get 2 differnet values for power factor in 2 watt meter method in 3 phase

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How many types of electric motors are there?

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What is the main difference b/t Earth leakage relay & Earth fault relay.I want protect my LT panel(Distribution Panels)which relay have to propose.......

1 Answers  

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