Why do you have to use Protecion relay with the function MTB ( Mechanical Trip Button ) for electrical system.

0 Answers   DT Technologies,

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Is it possible to use a S1 duty class motor for crane application (S4)? If not, why?

0 Answers  

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why fractional pitch winding generally used in alternators?

0 Answers   TATA,

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what are the types in Relay?

1 Answers   PLA,

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7. A resistance of 30 ohm is connected across 240v supply. If a resistance R ohm is connected in parallel with 30ohm resistor across the same supply, the current drawn becomes triple of original one The unknown resistor R is

2 Answers  

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if we use contactor & MCCB both in a feeder.in this feeder rating of contactor is higher or lower or same of MCCB rating & why?

1 Answers  

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What is Chatoliq Protection ?

1 Answers   Chemanol,

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What is expention fastener (Fan)

0 Answers  

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what is the difference between capacitive voltage transformer & inductive voltage transformer.

3 Answers  

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harmonics filter

0 Answers   SEHA,

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Why the transmision line are 11,33,63,132kv?

10 Answers   Power Grid,

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Tell me about Simence PLC 'BLOCK'.How many types and what for.

1 Answers   Gurit,

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