Answer / dheeraj.yadav

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IN MY INDUSTRIES 125 HP MOTOR USED FOR THAT ONLOAD AMPS UP TO 280 SO CAN I USE ONE LOWER KVA DG SET WITH STEP UP TRANSFORMERS THAT MEANS WITH LOW POWER INPUT TO GET CONSTANT HIGH POWER OUTPUT EG:125KVA DG SET = 250 KVA STEP UP TRANSFORMERS

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WHAT IS DIFFERENCE BETWEEN idmt and instentanous relay? is idmt is used as back up protection or else?or when instantenous relay saturates IDMT will operate???

1 Answers   BK, REL,

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how Practicaly reduce stating current of the motor

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If a 3 phase induction motor is in off condition in the conveyor and rotor of the motor keeps moving with the conveyor than the resistance of windings of motor varies. why is it so ??

0 Answers   Jindal,

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Why VCB is required and ACB is also require? what is the BDV of Trafo of 11/33 KV

1 Answers  

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A 100W electric lamp is supplied from a 115V, 60HZ source. The peak instantaneous power dissipated in the lamp filament is

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If a manufacturer decribes a power supply transformer as providing a secondary voltage of 24 volts when connected to a 240 volts supply, do you think they are refering to the full load or no load secondary voltage?

3 Answers  

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If we says that current is flow only when there is closed path & neutral work as a return path for the same. Then how circuit is closed in three phase as no neutral available ??

1 Answers   Nimbus Harbor Facilities Management,

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how many earthing required for ups, what should be the earth voltages

9 Answers   Juniper Networks,

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how to find the voltage drop

1 Answers   Sharjah Electricity and Water Authority SEWA,

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What is true sine wave or pure sine wave inverter?? Is it sine wave or step wave?? If it is step wave, waves with how much step is considered as pure sine wave? Is it possible to produce pure sinewave using power electronics?

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If not into production, how far did you follow the design and why did not you see it into production?

0 Answers   Bharti, Havells, Intel,

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