IF TVM OF TRANSFORMER SHOWS POWER FACTOR ON 33 KV SIDE AS 0.97 LAGGING AND ON 132 KV SIDE IS 0.75 LEADING.IS THIS CORRECT.WHERE IS PROBLEM.

2372

Dear friends, i would like to know that what is the exact function of 'exciter winding' & 'aux winding' in Alternator?

2011

can you please send me the technical questions and aptitude questions of honeywell and jindal steel electrical engg. question paper my e-mail ID is(kkesavanraj@gmail.com)

1999

what are the protecyion of transformer & generators

1979

what is the formula to calculate voltage drop/loss on 66KV Transmission Line?

3702

STATE USE OF ARC RUNNERS & SPLITTERS ?

1949

What is the different types of cable & current capacity of cable

1967

We have 90mX100m hangar with 16 no.of supporting pillar. It is required to provide power supply on all pillars. what is suggested earthing scheme for hangars.

2000

What is the difference between DOL starter and star delta starter

1129

To prove the capacity of a 10MVA transforemr with 6.5% impedance by a short circuit test how much power is needed to inject an impedance voltage if we have to arrive for its rated current?

1922

Why derating factor os applied on Cables?

1962

What are the advantages of hydropower?

1110

What is rotating magnetic field?Discuss elaborately.

2652

sir vizag steel ka junior trainee ka paper kitne number ka ayega

2249

I just purchased a 4 position cam switch to be used to operate a 3-speed blower motor. The motor is a 10 amp motor and has 3 wires that are used to control speed. The cam switch was rated at 660V 20 amps but when I received it, I noticed that it has AC-15 operational current rating (Ie) of 4/5 amps. If I am reading the label correctly. the 4/5 amps is related to 440v/220V (Ue). Other ratings are AC-3: 5.5A, AC2: 7.5A and AC-4: 1.5A. My questions are 1) Is it safe to use this switch with the motor I have 2) what is the difference between the 20 amp Ith ratting and the Ie operational ratings?

1755