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A power transformer 4MVA/11KV/0.415Kv has been out of use in 12years. what maintenance actions/test need to be carried out before energizing.
1316In a Impedance Based Distance Relay (Quad Characteristics) - Could there be two different Line Angle(RCA) for Ph-Ph & Ph-Gnd? If So Kindly Let me Know.. Where, What are the advantages of the same?
1427can we choose current transformer secondary, to calculate residual flux in a power transformer, so as its saturation is close to the saturation level of power transformer?
1501What will be the current drawn by HT motor, if low voltage is applied.. any formula to calculate the LT amps of HT motor.?
1451Why Water motor is not taking a load or pressure while everything is correct. (Note: Motor running properly)
1401Post New Electrical Engineering Questions
what is the meaning of impedance protected in instrument cooling fan
Give two basic speed control scheme of dc shunt motor?
in indoor type circuit breakers why only the corner breaker trips specially during cold season. What is the reason.
What is the rating of a circuit breaker needed for 300 kv load in 33KV supply line of 33/415 transformer ? Whether 800/1200 amp vaccum circuit breaker can perform for a 33 KV line in input in 415 volt in output of the transformer ?
how synchronous condenser is used in place of synchronous generator with out negotiating IEEE standards? Can i use 3 generators as synchronous generators and 2 generators as a synchronous condensers in an IEEE 14 bus system with out disturbing the standards?
WHY IN AC DRIVES,INPUT PHASE CURRENT SHOW UNBALANCE?
What will happened if the neutral of secondary of Xformer ( Star point) Note it's above KVA rated Xformer
I want to know the 'Test voltage' for Tandelta testing of 3.3 / 6.6 / 11 KV Motors. Please explain
Why do we use copper cable for HT Supply and why not Aluminium?
How will you define capacitance?
sir i am apearing for nic exam.i dont know exam pattern.can you please send me some model papers
List the time domain specifications.
how to set relay setting? and example calculation...
Explain Active power,reactive power,how its related to each other , & inductive ,capacitive.
what should be correct gas pressures to be a 1.5 ac unite
