Answer / adeel

3.5 core wire is used where the load is Balanced (3 phase )

4 core wire is used where electrical load is unbalanced (
mixture of 3 phase & single phase )

3phase 4 wire system is more reliable or 3 phase 3 wire systems?

4 Answers  

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why do we carry out winding resistance test?

0 Answers   MahaGenco, MAHINDRA,

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What happens if i apply 500V to 440V rotary Switch ?

0 Answers  

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Why neutral shows voltage with earth ?

2 Answers   MRF,

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what is the effect if we add capacitor on DG supply, it has any loss or benefit.

6 Answers  

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800A 22KV TP OCB. explain

1 Answers  

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1. what is the power factor of a purely inductive load? 2. Which type of transformer connection is preferred in case of power supply transformers? 3. In power transformer usually which winding is closer to the core? 4. what will happen to the generated emf if the no. of poles of an alternator is increased?

5 Answers  

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What is the difference when selecting a cable between AC and DC current?

13 Answers   ABB,

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Difference Between Differential Relay and Restricted Earth Fault Relay of Power Transformers

1 Answers   KSEB,

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What is working principle of ACB and VCB?

9 Answers   Greenko, HCC,

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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?

0 Answers  

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AMF (auto mains failure) control for DG sets at home.

1 Answers  

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