what are the usual topology of transformers at different substations in the power system and why that particular topology is choosen. what are the limitaions of that topology?

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

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What is the diffrence in between Class PS & Class 5P10 for CTs

7 Answers  

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When semiconductor fuse does save thyristor in each cycle of conduction? Why under voltage setting keep less in SPRS and more in DC drive?

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wht factor are considered to design ACB( air Circuit reaker) 415V

3 Answers  

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How many size of cable required for a 300m long and 30kw inductive lode

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I have two power supply.a)govt. power b)Captive power.3 phase load connected inside factory.when source change govt. source to captive some motor rotate reverse. Is phase sequence changes when if off & on?If I off generator & on it again is it possible to get changed phase sequence??

4 Answers   ABB,

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the need of star to delta anddelta to star

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working

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what is the difference between EMF and potential difference??

3 Answers  

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give types of Air conditioners commonly used &its use?

5 Answers  

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what is dc mator?types of dc motor?losses in dc motor?what is the mechanical,electrical and commercial efficiency of a dc motor?

0 Answers  

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