Sir I want questions for rrb sec technician gr III
(electrical)
WE HAVE A PROBLEM THAT THE MAIN DRIVE OF OUR CEMENT MILL HAS AN EARTHING PROBLEM?TWO OF STATOR WINDINGS INSULATION HAS BEEN COLLAPSED DUE TO AGING PROBLEM.THE PHASES HAVE BEEN BYPASSED AND NOW THE LOAD HAS BEEN INCREASED.WE CAN'T REPLACE THE MOTOR.KINDLY HELP ME BY GIVING SUGGESTION THAT HOW TO MAINTAIN THE STARTING TORQUE AND CURRENT FOR HIGH LOADS.
I'm looking for a softcopy manual set for a Credence ASL- 3000. Anyone know where I can get it?
L&T ACB C-POWER OF 800A FAULS TRIPING AT THE TIME OF 110KW MOTOR STARTS WITH EARTH FAULT RELEASE
why wound rotor is star-connected?
Why we are not using capacitor in line when load on Genset?
what is the reason for drop in freq. from 50 hz at generating side to 49.8 ,49.6 etc.at receiving side???
is it possible to convert electrical energy to light energy for transmission purposes?
is there any concept of armature reaction in Induction motor?
1) What is difference b/w impedence relay and differential relay? 2) what are substations equipments? 3) what is difference b/w circuit breaker and isolator? 4)what are the types of circuit breakers? 5) which medium is mostlty used in circuit breakers and why it is used?
how we can use resistance heating for any domestic purpose???
Explain the following and how these are working with PLC Unit 1 I/O Module Card 2 Adaptor Card 3 Ribbon Adaptor 4 I/O bus 5 I/O Devices
how to select short circuit current while selecting a MCCB? how to calculate current for a given KVA and KW load?
2 Answers GE, PnU Engineering,
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