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In Designing the rating & accessories of a MCCB how to choose the type of releases..means what is the basis for selecting, thermal magnetic, electromagnetic & microprocessr based releases
How to do cable sizing calculation for 750 A Neutral Earthing resistor for 33kv. the 33kv cable going to swbd. is 630mm2 3 runs.
How the capacitance og capacitor volatage transformer is decided?
why dimmerstate always connected in star connection? what will happen if it connected in delta?
what is meant by re-rolling motor? how it differs from standard motor?
in the directional overcurrent and earthfault protection,normally we are setting the angle 45 deg lead for phase fault overcurrent and -45 deg lead for earthfault fro forward direction.but both the fault are operating on the same angle region only.why?how the relay will response?
How phase displacement change in the over current relay coils.
What is the method for testing the differential protection stabilty in generator? When the time of starting What will happen if differentail protection connection wrong means?
XYZ
why do we carry out winding resistance test?
Explain the term parallel path in dc machin ?
1)What is a Triode? What are its uses? 2) What is a Triac? 3) What is a Thyristor?
What is the HVDC Transmission System? What are the conditions applicable to lay an HVDC Line?
Will any motor burn if voltage provided is lesser than the rated voltage???? If yes, then how is speed control possible with voltage control
what is smartµ grid technology?under coal gassification?
