which gas is filled in CFL

7 Answers   Lumax,

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Recently we had experienced following problem All RCCB breakers (connected to the load as well as spares) connected to various UPS systems at various floors at a high rise building tripped during a power break down and upon starting up of generator.This Generator is recently inducted into the installation. Can any one explain the reason behind this tripping. Regards Viswanathan

1 Answers  

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what is the difference between circular wdg & ractangular wdg?

0 Answers  

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1) What is difference b/w impedence relay and differential relay? 2) what are substations equipments? 3) what is difference b/w circuit breaker and isolator? 4)what are the types of circuit breakers? 5) which medium is mostlty used in circuit breakers and why it is used?

1 Answers   NTDC,

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What is the use of Gateway RTU like ABB RTU 560 in power plant, SAS system ?

1 Answers   ABB,

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Describe how a salient pole / projecting pole rotor differs from a cylindrical rotor and state the application of each rotor respectively

3 Answers  

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How to prepare electrical preventive maintenance plan & shedule of machine tools in manufacturing unit.

0 Answers   DRJ ARDE,

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Why reactors use before incoming of ac vvfd drive?

0 Answers  

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What is the important precuations need tocarried out while working with Electrolite in Battery PM?

0 Answers  

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how to calculate P.F from kva only?

3 Answers  

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What is the PI test stand for transformer and what is the producer to do this test?

1 Answers  

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hi frnds can any one help me ? plz send me placement paper of hpcl of Electrical streem .... plz send ....its urgent . The hpcl test is on 17th feb.

1 Answers  

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