what is vector surge & vector shift? we have 25.3 MW(11kv) generator & 11kv/132kv transformer, connected with with 132 kv grid.vector surge relay is tripping frequentaly.what is permissible maximum limit for this.
3 11662what is the effect come when i changed the alternator exciter field winding DC palority(+ve & -ve)which is coming from AVR.
1 5099In iduction motors the current is higher than normal for both the cases when the voltage appllied is more than the rated as well as less than the rated, why?
2 4859in power generator normaly voltagr betwween esth to neutral is 0 but my work place generator show the volatge is 60v any body know why? thanks
1953Post New Electrical Engineering Questions
I have done my m.tech in electrical engg discipline. Can any one please suggest me how should I prepare for getting into phd in iit or nit.How should I prepare for getting into lecturership
We are designer please help me calculate the size of 11kv cables from step up transformer to M.V panel, total load is 5 mega watt distance 900 feet (used aluminum type cables) please provided formula for calculate the cable with example.
what do u understand from filter factor of reactor?
as a electrical student why should i hire you?
why and where we use early make & late break contacts in protection?
I am getting above 60 V as open delta voltage against single phase unit ICT at tertiary delta formed and ICT getting trippped on NDR. ICT tested and found in order. PTs provided on tertiary are tested and in order. what may be the reason?
What is the difference between the relay and the circuit breaker?
what is diff. between earthing grid,earthing mess, earting grid?
Why single phase induction motors are not self starting ?
what will happen reduce the transformer voltage from 415v to 406v, is it save the energy,? are this methodis good to reduce the energy.?
What is meant by rotor?
what is load vs Torque curve & why it is used?
What is the difference between solid grounding and impedance grounding?
How to identify the start and end of 3phase 12 lead motor if U1, U2, etc numberings are lost or erased.
how to calculate the earth fault current