Why the transmission lines are in 11kV, 22kV, 33kv, and why not 10kV,20kV, 30kV?

2 Answers   Bhel,

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what is the difference between Inverter and ups

1 Answers   L&T, MTS,

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3) How earthing is done? How it measured? Write the method for earthing? How the earth resistance is kept low?

1 Answers   Innovative Energy,

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how to set the transformer differential relay

1 Answers   Divis Laboratories,

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wat is the criteria we use the diff. relay ?

2 Answers  

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Which type of arc protection devices used.

2 Answers   KSEB, L&T, Siemens,

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Why can't we parallel the secondary circuits of two voltage transformers?

0 Answers  

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hi, i have 3x200KVA and 2 x 80KVA UPS with battery bank of 150AH 68Nos. and 100AH 204Nos., i need to install AC either ductable or PAC type, so can you help me to calculate heat load and capacity of the AC to install.

0 Answers   Hyundai,

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what is the problem occer in motor

5 Answers   IOCL,

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what is the basic difference between synchronous motor,synchronous generator and induction motor

7 Answers   NHPC, NTPC, Sail,

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Going in for a three phase motor or a single phase motor, what factor should be considered for this? For eg., to pump water to certain height and such domestic applications, which motor is suitable?

1 Answers  

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

0 Answers   Videocon,

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