what is the abbreviation & meaning of UI charges

1 Answers   MNC,

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why does rotor rotets?

0 Answers   IBM,

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MY QUATION IS ABT THE MAIN POWER TRANSFORMER IN STEEL PLANT , I WISH TO KNOW THAT WHY TRANSFORMER PROTECTION NOT TRIP AS CABLES ON THE SECONDAY SIDE IS WATER COOLED. TRANFORMER DETAIL NORMAL KVA--150 KVA PRIMARY VOLTAGE --34.5 KV SEC.NO-LOAD VOLTAGE---1.290-908-690V ( WITH PRIMARY DELTA CONNECTED) CONNECTION--D/d (EXTERNAL CLOSED) CONSTANT RATEING FROM--1.290-908V CONSTANT CURRENT FROM--908-690 VECTOR GROUP--D III

1 Answers  

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how the vaccum ckt breaker workes..? how the arc is quenching in it?

1 Answers  

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explain the details about vaccum circut breaker and advantages?

4 Answers   CPCL, Unisol,

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WHEN SINGLE PHASE SUPPLY AS 220V, WHY THE 3 PHASE- 4 WIRE MEASURED AS 440 VOLTS INSTEAD OF 660 VOLTS (220 VOLTS PER PHASE i.e 220x3 = 660 volts ).

1 Answers  

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how could we findout the lightning arrester failed or not in live circuit? Is there any instrument to measure the high voltage at the time of sky lighting?

1 Answers  

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In which working principal temperature transmitter work.explain in detailed.

0 Answers  

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Installation method of self treated earth electrode.

0 Answers  

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2. What are the parameters of EHT sub-station?

1 Answers   APGenco, Blue Star, Enercon,

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what is the principle of singkle phase energy meter?

3 Answers  

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what is rated speed?

4 Answers   Actavis,

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