Answer Posted / sudhakar

depending on the current rating of the motor only we will
choose the cable rating and consider the current density of
the copper also important

What is instrumental error?

1192

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HOW CAN I GET 5CORE HO7 CABLE SIZE IF I HAVE 1800A?

2040

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How to size fuse? How to size MCB?

1515

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Is there any problem about which the drive (inverter) doesn't show/display the alarm and/or fault but instead of this , it doesn't work ? I want to know that could there be any kind of problem in the drive when the drive doesn't display the alarm and/or fault ?

1967

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what is the purpose of silicon dropper used in battery charger?

7446

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1) why a dg set shows variation of power factor and load when synchronised with other dgs? 2)Why the load sharing is not become equal in all dgs?. 3)When a dg set will not run on auto start?

1996

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what r substations?what r there work?why voltages r incresed and then reduced during distribution of power

1921

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A powerplant has 8 gensets operating in grid parallel mode. In one genset sometimes there is pf variation and kvar variation. The plant operates in pf mode. When this variation is observed the load is stable, voltage is also stable, freq and genset speed is also stable. How will you check the functioning of pf card. What shall be the ideal output vdc of the pfc, from there it is input to AVR?

2311

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Why AC current leads voltage in capacitor and how?

2141

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how can calculation ate Amps for cabel. Ex-for 1sqmm wire hou many amps we can draw

2448

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8. A DYNAMOMETER TYPE WATTMETER RESPONDS TO THE.......

9275

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ACCORDING TO IEC WHAT SHOULD BE THE MINIMUM HEIGHT OF G.I. STRUCTURE OF CT, PT, ISOLATOR, LA?

2189

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What are the special cables required for explosion proof wiring?

3558

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Please, if 1kw is equal to 1.25kva; how then do I know how many kva in 7.5kw?

1654

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How many types of electrical earthing are there?

1164

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