Answer Posted / shyam

we can't light the mercury vapour lamp with out starter &
choke becoz to light up mercury lamp above 230v is
essential hence it is done through choke to get break the
elasticity of the atoms& to get free electrons

circuit diagram of trip circuit supervision relay

2031

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Why we are use dol starter up to 10 hp

1351

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i want wipro vlsi placement pattern please send me

1752

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Hi friends, i m electrical engineer i want a cdr for migration purpose so anybody have information about this then send me on jayesh_ee88@yahoo.com.please try to me

1844

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whit is 33kv power 300*300 cable full current with formula

1774

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we have two generators different capacity on 15 MW and other 6MW at 11 KV , 15 MW gen. bus short level current 40KA,and 6MW short level current 25KA,, length of cable 100MTR between 6 MW from 15MW gen. for bus coupling . kindly tell any one can we use both NGR OR one NGR from any GEN. BOTH NGR has diff. rating. Tariq pakistan

1652

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what is meant by skew width in machines?

2188

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Why we used 690V in ACS 800 drives.Why dont use standard voltage like 415v or 1.1Kv

2432

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how is capacitor bank look like

2385

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I am EEE student i want to improve my core side skills.how cn i approach it?

2501

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Transmission voltage is kept 11KV,33KV,66KV,132KV,220KV due to form factor. What happen to 400KV and 765KV transmission voltage?

2147

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typically in power distribution substation. 1- Any idea how would be the graph of capacitor bank consumption verses time through the day . 2- How is the switching ( on and off ) of the capacitor bank, per need?

1704

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how to calculate the fault in substation

2419

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What is the accepted limit to increase the choosen transformer capacity over the load and why ?

3541

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why on axial hitting up of air blast on hydrogen produced in oil circuit breaker,temperature rises of the core of the arc?

1941

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