Answer Posted / jvino03

Initially Tube light need more voltage during starting time
to get ionization of electrons. So the purpose of Stater is
to flicker or excite the tube light with high voltage,

Stater is nothing but a 2 metals which is in contact during
starting purpose only... After it comes out from the
circuit....

WHAT DO YOU MEAN THE DIFFERENT TYPE OF CURVES OF RELAY LIKE STANDARD INVERSE, VARY INVERSE, NORMAL INVERSE, LONG INVERSE ETC....

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what's the exact magnitude of current, flows through Neutral?

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in basic 2 phase will short means tripping the power but spot welding 2 phase shorting but not tripping it will welded why.....(Q)

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- two pumps must work with them at the same time but if the first pump start the second pump  must delayed for some time to start  also , with motor rated power = 90 KW and rated voltage = 380 V and rated power factor = 0.85 lag please draw the power and control circuit for it and determine all circuit components parameters that you use it

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CBCT selection

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how balanced in star delta connection ?

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WHAT IS counter flux IN CT?

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what is earth fault relay 64T, why it is used in main Incomer and neutral CT of Transformer.

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