Answer / ravi krishnan

P = VI OR
P = I Square Rt

I have an 15A fuse MCB that controls a night storage heater. It needs replacing and is now obsolete. Is a 16A C curve MCB the correct replacement?

2 Answers  

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What is the reactive power and how to control the reactive power in power plant

14 Answers  

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why fuse amperes rating are specified ratings like 32amp & 64 amps?

2 Answers  

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In cable sizing calculation (determining the max route length of cable) why we choose the shortest length between cable length of full load current Iflc & starting current Istart?

0 Answers  

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Differentiate between real and apparent power?

0 Answers  

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Apparent power is expressed as V * I(Conjugate). Why not in V * I ?

0 Answers  

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Why short ckt does not happen when solenoid coil connected to supply. as its a wire only.

1 Answers   Siemens,

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I have an existing old MCCB. ABB Model SACE, the rating are: Ue = 660 volts, Iu =1250 Amps, 3 poles, Ith (max) =800 amps at 45 deg C. I need a circuit breaker for my 3 phase motors, 380 volts 60 hz. the supplier required the minimum ampacity of the breaker to be 911 amps. can i use this breaker with rating of Iu =1250 amps but Ith = 800amps maximum?

0 Answers   Siemens,

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i have done diploma and btech in EE and live in Chandigarh so kindly help me how can i make my competency certificate in my area.

0 Answers   Multi Metals, ONGC,

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wht factor are considered to design ACB( air Circuit reaker) 415V

3 Answers  

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If you don’t have coal, salt and copper, then how would you earth your connection temporarily at a camp site.?

1 Answers   Focus,

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how to determine capacitor bank capacity of one plant..

2 Answers   Dalkia, SPDC,

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