Answer / shibil

Types of Relays:

1.overcurrent relay
2.Earthfault relay
3.Motor protection Relay
4.Generator protection Relay
5.Bus Bar protection relay
6.Distance relay

True or false question. 1.The fuse provide phase and neutral 2.power loss in electrical circuit can take place in (resistance or inductance or capacitance). 3.two phase system each phase has separated by a phase difference of (90 or 180 or 270 or 45). 4.3 phase balanced star connected load neutral current shall be (line current or phase current or zero or unity)

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what is the size of cable for 15kw motor and 85 meter cable length using with vfd

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difference between a diode and thyristor?

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A well system is when , no. of bus bar is less or more. Tell me the concept of it.

0 Answers  

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Short circuit current of 2500 KVA 11/0.415 KV transformer both Secondary and primary side. best regards. Ali

1 Answers  

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how to select rating of HT Panel

0 Answers  

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Vibromotor 252MV 1/4HP2P..what is mean by 252MV?

0 Answers  

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The ripple frequency in output of fullwave bridge rectifier is a. Half the input b. Twice the input c. Same as input

0 Answers  

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WHAT IS THE DIFFERENCE BETWEEN SHOP DRAWINGS/ DESIGN DRAWINGS AND AS BUILT DRAWINGS??

2 Answers   ACC, Al-Jaber, Dubai Group, ECEC,

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How do you protect your appliances from harm in case of neutral failure in a three phase power supply set up.

4 Answers  

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what is power factor

5 Answers   Exide,

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What is power factor ?What are the benefits of improved power factor & how. Please explain with examples.?

5 Answers   ABB,

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