why do the core of transformer saturates???

1 Answers  

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We know flow of electron is current . But why electron flow from negative to positive and current from positive to negative?

4 Answers   Power Grid,

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what is the difference between isolation and insolation ? please explain in detail with example.

5 Answers   ABB,

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what will happen if OLR CT in all phases are short circuted

0 Answers   Indfrag Limited,

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can some one clearly explain why -48 volt DC use in telecom site????

0 Answers  

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what is the function of switch gear ?

10 Answers   Exxaro,

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Why wind turbines wheels rotate constantly

0 Answers  

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What is thermal relay and how it is works in transformer please explain

2 Answers   Future Group,

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how does the terminal voltage of transmission lines increase when a capacitor is connected???? This happens not only in transmission lines but also in all circuits. How??? When a capacitor is connected in a transmission line, capacitor also takes energy from the same supply. But how is it able to increase the terminal voltage??? Practically What sequence of events happen during increase in voltage???

0 Answers  

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Why we should use delta connection in primary and star connection in an distribution transformer, which converts 400v a.c. voltage to 33kv.

15 Answers   ABC, Kirloskar, Sify,

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Types of tempering of energy meter?

1 Answers   Nespak,

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What is formula of capacitor for 1-phase power connection.how to improve PF. Suppose I want to connect capacitor in refrigerator to reduce power consumptions.

0 Answers  

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