how work the differential protection relay in details?

2 Answers  

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what is the power factor of an inductive load ? (i) Zero (ii) Lagging (iii) Leading (iv) Unity

5 Answers  

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60 watt bulb and 1500watt iron which device has more resistance & why

5 Answers   RMSI,

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how to select the double earth conductor if 21A full load?

0 Answers   L&T,

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how we select ac fuse rating of an power inverter???

0 Answers   Simco,

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What will happen if apply dc source for power transformer

4 Answers  

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Give idea about General Engineering. From which book i can study this topic. Pl. reply me via email. My email is ravi@bhelhwr.co.in, also give the name of book/website, from where i can prepare it.

0 Answers   TATA,

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how to select a capacitor, i mean we use 3.5 mico ferad cap for a celling fan,but how to select a cap for 1h.p motor,etc.........

1 Answers  

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why do we carry out winding resistance test?

0 Answers   MahaGenco, MAHINDRA,

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I want to make street light with solar system ... What may I do for procedure and how much of estimation for each material ... If any one knows guide me and inform this id : aravindd7@gmail.com

0 Answers   Suzlon,

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How many different speeds can be obtained in cascade control of two induction motors?

1 Answers  

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why for transformer protection we protect tranformer from 3rd hormonics and 5th hormonics and what is the reason of generating these horminics in electrical system?

2 Answers   Essar, LG, OPS,

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