Answer Posted / sheikh

Due to short circuit. Battery may be discharged at once.

What should be the protection scheme for a 15kw, 3-phase motor working in a lathe machine.

2106

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What is rotating magnetic field?Discuss elaborately.

2698

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1.why are not using acb 33kv ht side? is there any problem 2.what is difference between acb,vcb,sf6 breackers? 3.what is the function of invertor and convertor in ups?

2216

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Why squirrel cage motor can only use with low starting loads ?

2107

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along with technical test papers

1657

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What is resolution of a measurement?

1251

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what is the difference between switchgear and circuit breakers and is there any difference between outdoor and indoor switchgear and circuit breakers , and how would you differentiate between switch yard and substation and grid station . thanks

2278

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Why frame of the motor is specified?. If we mention KW and voltage level,automatically frame is decided or separately frame is compulsory to mention?.

1774

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we are going to install a solar PV site and how can we calculate PV Solar Panel Efficiency, can anybody tell me complete method for its calculation.

2185

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Can we convert off line transformer to on line transformer

2021

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Explain the experiment on ward leonard method of a speed control on a dc shunt motor with an suitable circuit diagram.

2650

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i need to now what will be the cable size to the following load, transformer to distribution panel distance 110m, load 1000kw, voltage 400v, pf 0.85, permissible voltage drop 2.0%, overhead line, atmospheric temperature 35 degree c.

1663

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what is buffer resistance starter.?.What is the working principle and where it is used..?

2080

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what are the components in electrical control panel (for example: 415V, 3-ph, panel to operate utility and 3-ph DG set).

2078

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for 4 MVA , 33K.V/6.6K.V transformer. secondary side the connected load is 3000H.P. What is the rating of capacitor bank to be insttaled.

2633

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