Answer / k.prakashchandra

Generally IDMTL relays are used as back up for distance relays

difference between relay and solenoid?

2 Answers  

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i have faced a problem in ro plant grunfos make bm30type pump it is 22kw pump. We start this pump using siemens 3rw 4423-ibc44, 30kw softstarter but this soft starter will frequently failier so we planed to change dol starter. So pls tell anybudy its possible or not.

0 Answers  

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what is NANO TECHNOLOGY?

2 Answers  

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Waht are the protection should be use in HT/ LT side of the same Xformer?

1 Answers  

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I am working in 600MW power plant currently in erection phase. I came along this term and want to know its meaning in simple language, consider me naive!?? All motors shall be of energy efficient type EFF-2 as per IS:12615/ equivalent IEC / International Standard.

1 Answers   Punj Lloyd Ltd,

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what is pilot wire? what is the use of pilot wires?

9 Answers  

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why open circuit test is conducted on hv side and short circuit test is conducted on lv side of a transformer ?what is the reason for it ?

3 Answers   HCL, NTPC,

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In the Variable Voltage Variable Frequency Drive, how the Voltage and Frequency varied ? Is it varied in the Inverter part of the Drive ? Please give us supporting document if any.

0 Answers  

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What is VCC?

1 Answers  

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I need to connect a synchronous generator to the grid using automatic synchronization and two circuit breakers (one for synchronization, one for end connection to the grid), how to determinate the required diameter of the cables?

0 Answers  

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what happen if we give 220 volts dc supply to d bulb r tube light?

9 Answers   NHPC,

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Tell the details of the precommissioning tests that are performed on distribution transformer, power cable and switchgear (11kv).

1 Answers   Reliance,

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