in my working site. momentary jerck in electrical supply ocurred frequently which cause of multiple losses in our electrical equipements. how can we protect our electrical machines and equipements in this situation.

3488

what is dc mator?types of dc motor?losses in dc motor?what is the mechanical,electrical and commercial efficiency of a dc motor?

2074

explain working principle of earth leakage relay

3707

before transformer oil dielectric strenght tests are taken the oil should be allowed to settle to remove option 1 air bubbles 2 gasses 3 contamination 4 water

1660

Why strting torqe high in inducation motor?

2151

why sielent pole is used only in hydro generators and not in turbo generators

4184

Explain the operation principle, advantages and disadvantages of the following converters: a) A 12 pulse converter b) A Switch-mode inverter c) A thyristor inverter

2055

Is it required to lay 2 runs of GI wires along with armoured cables from one power DB to another Power DB?

1942

why we used ZNO in Lightning arrester.

2003

What is the difference between vector surge relay (78) and Pole slip relay (98G)

1209

How to select cable the size, what is the parameters use and what is the formulas use for this cable size calculation?

1911

i am completed my degree(B.E EEE) 2014 anychance to get electrical licence plz help me

2149

What are the causes of having an rmu explode after installation? And how do u treat the bushings of an rmu?

2525

Dear all i am kumaravel. now in chennai. my work is control and relay panel auto cad designing.up to 11kv to 400kv then question is i am improving my knowledge. i want some books name and auther are available for this C&R panel related. plese any one help me

1776

Basic motor transformer generator

1489