Answer / dipak

It is a dependent on a prospective short circuit
current.it's inversely proposanal to current,if a high
fault current less time required to operate protective
device.

What are types of central ac plants?

1 Answers   HSL,

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what are the types of control systems to control the speed of the motor??

1 Answers  

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HOW TO IDENTIFY THE RELAYS WHICH APPLICATION IN WHICH RELAY USING

3 Answers  

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is dc transformer is possible ?

4 Answers   Jyona Power,

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what is meant by auto transformer?

4 Answers   Suzlon,

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Did RMU have ct and pt ?

0 Answers  

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The speed of a dc motor can be controlled by the variation of 1. armature voltage. 2. field current. 3. armature circuit resistance. 4. angle of brush shift. Which of the statements given above are correct? (a) 1,2 and 3 (b) 2,3 and 4 (c) 1,3 and 4 (d) 1,2 and 4

1 Answers  

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Why indicated only R.Y.B to phase.

6 Answers   Bhel,

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In Star type and Delta type Motors, If one phase will miss/Break then which phase winding will burn and why?

4 Answers  

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During he starting up of the motor, the upstream's MCCB (350A) always trips due to the UVT relay activated. Can Star-delta starter use for a 20kW Motor (For a powder mixer machine) cause voltage-dip in the supply line voltage? If so, what are the recommended solution to eliminate/reduce the transient voltage dip in the line voltage?

4 Answers  

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we use Dyn11 trafo for distribution purpose, if it`s possible for replacing Dyn1. if it`s change means what will happen?

1 Answers  

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how to Select Lighting arrester? What r the parameters to be considered for the selection of Lighting arrester ?

0 Answers  

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