why any Elelctricity board insist not to change the buren of their metering CTs or PTs for metering purpose? as a example elect. board not accepted that any customer change their metering CT or PT core burden from 5VA to 15VA.. why?

1 Answers  

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any earth foult trip the relay but in welding time not trip by earth foult

0 Answers   Power Grid, Siemens,

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If the maximum demand is 120 KVA in a building, then what is the Current taken according to load given ? Formula for it ?

3 Answers  

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Why oil preferred over the air as a cooling medium for high rated transformer?

1 Answers  

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How can calculate the rating of a alternator for a given specific load with formula

0 Answers   NRSC National Remote Sensing Centre,

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If we connect the capacitor banks for DG set for maintainig the power factor, it will effect to alternator windings??????????

7 Answers  

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1.What is the range of stator resistance of 3-phase induction motor? 2.Two electrically operated vibro motors are foxed in parallel direction in vibrating feeders. what is the direction of both vibro motors?

0 Answers  

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why we generate 11kv power supply in generating station?

1 Answers   DBG, NTPC,

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In ac circuit R,L,C are connected in series what is the output the circuit? explain

4 Answers  

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How addressable fire systems work? Pl. send details with architect.(Loop), also send details regarding Gas system. Pl. help me.Thanks

1 Answers   Siemens,

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Cummins 750 KVA generator how much disel consumed per hour and how many units generated on 100% full load.

1 Answers  

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why the efficiency of the dc machine is high ,when it is operated as a generator?

3 Answers  

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