what is the formula for hv test for cable and circuit breaker..????

2038

Has someone here done a sizing for a generator (3 phase), its for a pumping station. If you have an example for standby/duty and both running (I) star delta (ii) Soft Starter.

2139

Air circuit breaker safety

1421

howmany electrician should maintain for a 1000 kva used plant... in kerala..

2109

Please explain the following and how these are working with PLC unit 1.I/O Module 2.I/O Device 3.Adaptor Card 4.Ribbon Adaptor 5.RS 485-FC

1602

Anybody know how schematic diagram for reverse power relay? RPR for generator protection

2132

Why does the speed regulating system adopting I controller have no steady-state error? In this single closed-loop speed regulating system, when the input of the I controller Un=0, what is the output voltage of the regulator? What factors do the output voltage depend on?

1868

how can we calculate the ampacity of the electrical wire/cable. and what are the factors must be considered. pls. elaborate.

2258

Why is tan-delta test and capacitor measurement done on alternator?

2212

When we need up only in o/p 440v, so why we use directly in 11kva in input?

1680

what is value of Jin transformer

2100

I am having a 42KW 3 phase electrical heating furnace, heating element is 80/20 nichrome material, my connections is made in such a way that 2 star connection compromising 2 coils per phase so totally 12 coils, shall if i use it unbalanced star condition (instead of 2 group of 3 phase or 1 group of 3 phase, connecting 4 phases of 5 phases) what will be the consequences and is it acceptable?

1680

write a program that prints prime numbers from 1-20 in digonal form

2002

What are the insulation standerds for eg H clase and how many insulation standerds are there and its standerds??????

1957

Good morning: I'm looking for some informations about the OLTC or the LTC: I wont to know what the function of the tie-resistor in during the operation of reversing/coarse operation Cordially

2003