what's burden resistor, why it's used?

1 Answers   Bhel, TVS Group,

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In a three-phase full converter, output voltage pulsates at frequency of a. f b. 2f c. 3f d. 6f

2 Answers  

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i(1)= j0.5 p.u., i(2)= -j0.5 p.u., i(0) =j1 p.u. What kind of fault it is-- a)l-l ,b)l-l-g, c)l-l-l-g, d)l-g.

2 Answers   Areva,

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After fault clearing in Tr line, whether the Metering core of CT is comes to normal condition from saturation region & its works as a normal condition?

1 Answers  

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how to detect the presence of underground cable(while digging road)etc. -give the name of instrument

7 Answers   NTPC,

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what is the path of electron when a static electron is placed in a magnetic field?

1 Answers  

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what's the use of cvt and wave trap in 400kv switch yard.......

5 Answers  

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what is mean by power factor

9 Answers  

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If a transformer primary winding operates at 240v, the secondary at 120v and the load is 1500w & the transformer is rated at 92% efficient, what's the current flowing through the primary winding of the transformer? What is the formula for finding this?

0 Answers  

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How silicon gel sucks moisture in the transformer, its have any small exaust fan behind silicon gel.

4 Answers  

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Synchrounous motor is three phase motor,but its not self starting .why?

23 Answers   Delta Beverages, KI, L&T, NTC, TVS, Wipro,

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How do determine the Size of a Droop Current Transfomer for Paralleling of Two Generators, Say I need a Droop Current transformer for a 600 kW generator need to be parallel with a 800 kW generator, etc.

2 Answers   JK Cement, MPPGCL Madhya Pradesh Power Generating Company Ltd, PNG Power,

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