if HT side voltage is high current is low . and LT side voltage is low current is high please explian.

5 Answers   HP,

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what is the temperature rise test? explain in brief.with formula.

1 Answers  

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when current lags behind voltage how does it affect the circuit.In other words what is the significance of lagging current?

3 Answers  

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Does dry and oil transformers both require dedicated neutral, because in my project we are using 2500kv dry star delta transformer, where they say neutral not required and even it is not provided in our substation. can u let me know

2 Answers   Voltas,

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ratings of lightning arrester

0 Answers   Bajaj,

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Generally in AC we consider voltage, frequency and phase sequence for parallel operation ... Can we parallel two DC battery chargers? If yes, then what precaution to be taken when we parallel two DC power?

5 Answers   Reliance,

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What is the role of power pack in substation protection system?

0 Answers   Facor,

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what is the role of impedance in transformer?based on secondary f.l.current(139 amps) and impedance(4.07) of 415/415v of 100 kva transformer. what is the primary current?

1 Answers  

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In radial network the source is fed from 1 end both ends at central

0 Answers  

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sir i completed apprentice in TNEB.apprentice is eligible for 'c' licence

0 Answers   Bhel, TNEB Tamil Nadu Electricity Board,

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IN Electric train which type of motor is used,for what reason they uses?

3 Answers   L&T,

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why we need the starters for motors

1 Answers   L&T,

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