what is meant by vector group of a transformer?
How can it be derived?
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in delta connection, why motor rotate in high speed compared to star connection?
What are n circles?
why generator and t/f ratings given in kva?
What should be the voltage between Neutral and Ground in secondary side of the step down transformer (230 V to 110 V) with no load condition?
What should be the DC voltage for Hi-pot test on 11kv switchgear
what is bjt & mosfet? what is rectifier & diode?
does frequency affects the load? if yes elaborate it.
difference between power surge and switching transient
what is ment by doublefield revolving theory?
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 role and fuction of automatic transfer switch in rotary ups
Which type of air compressor is used now a days in the market. Keeping in mind of energy efficiency and maintenance points. Relevant documents may also be sent on mentioned email ids.
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