Answer / k.prakashchandra

No. The output of PT is 110 V line or 63.5 V phase
usually.The capacity of PT is from 30 t0 500 VA, anyway not
more than 1 KVA.As PTs are also used for protection ,they
should not be used for power supply purpose.

which type of insulation are used on 132kv transmission line

4 Answers  

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I need to calculate the Battery bank back up for below configuration:- UPS - 120 KVA Battery Bank - 200Ah Volt of each cell - 12 V Total No of cell - 34 No's Can you please help me to get the battery back up time for above configuration...? along with formula

1 Answers   Wipro,

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why nearly all voltages are in the multiples of 11?

5 Answers  

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current transformer balance the power level on both sides. e.g in case of step up, at secondary side voltage rise but current decrease and vice versa in case of step down transformer. but how this power level remains same in case of current transformer and voltage transformer

0 Answers  

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Why the TNC switch is called as Memory switch

1 Answers   Reliance,

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What is use of 3phase instead of single phase?

12 Answers   DCM, L&T,

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What is meant by Guard relay ?

2 Answers  

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What is Scheme Test of High Voltage Switchgear. Which tests it includes.

0 Answers   Siemens,

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Resistor switching is used in which type Circuit Breaker ? a) oil filled CB b) Air blast CB c) Gas filled CB

11 Answers   Engineers India Limited, wbsedcl,

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Can neutral line also be use as a earthting for distribution transformer, or we need separate earthing pit forh the transformer?

1 Answers  

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Why is copper a better conductor of electricity than aluminium?

5 Answers   AES,

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can we use generator(a.c) as a motor.if so how if not why.

2 Answers  

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