Answer Posted / william wright

Closing resistors are also intended to allow shunting of
over-voltages power surges that cause that can damamge the
system protected.

what is the setting of locked rotor in HT motor ? (answer expecting in percentage)

2264

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how to wiring it with contactor and timer together

1806

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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?

2102

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I NEED RRB SYLABUS FOR JE ELECTRICAL ,PLEASE SEND TO MY E- MAIL ID joo28_eee@yahoo.co.in

2842

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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.

1628

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A mass of 1200g is accelerated at 200 cm/s2by a force. The value of the force required is:(a) 2.4N(b) 2400N(c) 240 kN(d) 0.24N

2945

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How is the percentage impedence of a transformer fixed at design stage???

1967

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Please explain me abt PQ diagaram in the power sector.

2401

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when we gave dc supply to 220v dc motor its rpm is 1200. then we gave 180v. how many rpm of its motor. gave answer with calculation at my ID.... ravizak@ymail.com

2329

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what is the acceptable value of TAN DELTA and dissipation factor for 11kV, 1.75HP Motor?.

4161

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What is the disadvantage in proportional controller?

1133

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What is the difference between relays and contactor construction wise?

2219

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If we impress a dc voltage of 230 V on an unloaded 230 V, 50 Hz transformer it wi A give high secondary voltage B burn out C give secondary voltage as per K D none of these

1993

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difference between high and low impedance BUS BAR relay??

1603

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what are the Alarm, Trip & Safety equipment (Issues) present in Power Transformers pls Mail it to ashokbabunhce@gmail.com

1895

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