what is the use of static frequency converter and static excitation equipment? and where it is employed? for what?

3157

A 100W electric lamp is supplied from a 115V, 60HZ source. The peak instantaneous power dissipated in the lamp filament is

2046

i have gear oil pump with single phase motor.some time its motor starts running in reverse direction rather than forward direction...whats the reason behind this issue. 1- either capacitor is week? 2- or winding is week?

968

TO CALCULATE THE RESISTANCE OF GRR OF HT MOTOR 400KW WHEREAS STATOR VOLTAGE 6.6KV AND ROTOR VOLTAGE 705V AND ROTOR CURRENT IS 346A.

5117

Why Water motor is not taking a load or pressure while everything is correct. (Note: Motor running properly)

1064

State how to produce a constant rotating field by application of alternating currents to stator armature of a three-phase squirrel-cage induction motor

2156

explain with diagram how to protect transformers and substations from over current with help of CT's?

1624

Why LED light has advantage of rapid reflection ,although other lights alse reflect.? and this light is considered to be best for transmission usage in case of Free optics

1733

How can i get my certificate of competency as an electrical supervisor? I have complicated my B.Tech from Uttarakhand technical university this year (2012).

4125

CAN WE CALCULATE THE NEGATIVE SEQUENCE AND ZERO SEQUENCE REACTANCE OF A GENERATOR USING ONLY ITS RATED VOLTAGE, KW, PF AND SYNCHRONOUS REACTANCE??? IF YES, THEN HOW??

5210

pls tel me the electric train traction motors name plate details like rpm,torue,voltage,amps,watts..ect..

1699

What is value of earth resistance required for substation and equipment earthing and what are the reference guidelines

1405

I'm looking for a softcopy manual set for a Credence ASL- 3000. Anyone know where I can get it?

1758

what is ATS & RING MAIN UNIT in Distribution System?And its Function.

1644

what is ps impedance test

1784