Answer / manoj

TO test the relay characteristics

Answer / k.prakashchandra

simulation of conditions

Answer / pugal

to check the no and nc terminals

What happen in ups if phase reverse?

0 Answers  

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10Hp, 3-phase, 415v, 50Hz induction motor. The above motor is to run on Star-Delta connection, so how do i make following hardware selection 1) MCB, 2) Contactor, 3) Wire Gage (Depending on P-P current or Line Current), 4) OLR, Please tell in detail how to do the above, so as to get the ans. of it even if the Hp rating changes.

1 Answers   Engro,

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what is the meaning of vcc

0 Answers  

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What is MODBUS Controller Used for BMS Mointoring???

2 Answers   Emerson,

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I want to merge a cable..in between two metering Cubicals which contains CT's and PT's and Energy meter..before taking merger..what are the common things required?

0 Answers  

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1. What are the tests to be carried out for CBCT? 2. can measure the secondary resistances? 3. with respect to secondary maximum how much voltage can be applied for IR test.

0 Answers  

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what is the difference between arc and spark

2 Answers  

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What is Neutral Transformer? what is the use of this?

4 Answers  

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Are you connected Transformer neutral eathing with it's body earthing or earthing met of switch yard.? Yes or No ? why ?

2 Answers  

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Why we use cosine angle for calculating power factor not in sine angle ?

4 Answers  

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if suplly 11kva its give 440volts then if suplly is given 10kva whats the volts given

3 Answers  

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what is the harmonics? which harmonics(fundamental and reference) is suitable for calculating capacitor bank and Active filter and passive filter? what is the 1st 2nd 3rd 4th 5th harmonics and effects?

1 Answers  

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