Answer / pradhyumn

These are the battery chargers are mainly used for charging
the battery bank which is responsible for control supply of
control systems such as breaker closing coil, trip coil,
protection relays etc.
**In float charging battery is charged with the same rate
as it is discharged.It is used when battery rarely gets
discharged.It requires charging the battery at reduced
voltage to avoid the battery from overcharging.

**Boost charging involves a high current for a short period
of time to charge the battery. It is used when battery is
discharged heavily, it enables quick charging of batteries.

in transmission line, if the load is suddenly increased at the receiving end of the system the phase shift will (a)decrease (b)becomems zero (c)increase (d)not be affected

4 Answers   Getco,

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In winter we seem lightly an electric shock when we touch to doors(sometime)

13 Answers   Infosys, REL,

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give information about REM5453 & SPAJ Relays

1 Answers  

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In 3.5X150 Sq.mm cable what does 150 stand for outer dia or inner dia?

4 Answers  

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For polarity test on a 11/3.3kV 2.5MVA delta-star Unit Auxiliary transformer,415V 3-phase supply was applied at the HV. Connection between Aa was made with a 2.5mm cable. As soon as power was switched on the cable caught fire and burnt. This test was then abandoned. It is noteworthy to say that a similar cable was also used in a similar transformer for the same. The cable did not burn and test was successfully completed with good result. What is wrong? Please, help me out.

3 Answers  

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What is difference between Step Up Transformer & Booster Transformer? can we used instead of any one?

2 Answers   CS,

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what is function of capacitor in ceiling fan?

11 Answers  

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How to calculate cable size for a particular load? i have 12 MW,11KV Motor 3 Phase, what should be cablesize? What are the points to remember for cable sizing calculations?

2 Answers  

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electrical engineering giving priority for insulators rather than conductors, why ?

5 Answers  

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what is broken conductor indication

3 Answers   KPTCL,

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Formulae for calculating the transmission line losses for different voltage levels

0 Answers  

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how to calculate the ngr capacity(nutral grounding resistor)

2 Answers   Divis Laboratories,

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