Answer Posted / navmit bhimani

In transformer there are two losses,copper loss depend on
current and iron loss depend on voltege and nothing
relation with power factor.so and so....

explain with diagram how to protect transformers and substations from over current with help of CT's?

1889

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WHAT IS VCB SAFETY

1194

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What are dcs and plc?

1046

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What is different type of Electrical curve and how it protects the equipment's while up-normal situation?

1767

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write down the formula of cable size in RM if current is 50Amp.

1287

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Distribution transformer we provided 2 separate earthing pit for Body and 2 separate earthing pit for neutral,we can not connect separate body earthing pit to other earthing pit but we do metal glanding in secondary side cable termination in both side, transformer and PCC panel (LT Panel), is this safe for transformer and other equipment?

1682

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How to do cable earhing? whether by grounding Armour to ground or by running extra G.I wire along with cable? which one is preferred mostly amoung them? If the second one is more preferable how many GI wires to be run along with cable (1 or 2)?

2078

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What is the difference between diode and a transistor in terms of the direction of current flow?

2157

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How line capacitance & line inductance varies with increase in height tower.

2290

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What is core CT & it's function?

2109

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what is relation between ct and pt ratio with multiplication factor of a energy meter? is there any other factor on which multification factor depend?

2277

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What is mean by STUB protection?

1999

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Is it possible to use a S1 duty class motor for crane application (S4)? If not, why?

2389

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PLZ EXPLAIN CORONA,SKIN,BIRD PALE,SPAN,SAG Effects of power cable.

1982

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stand by earth fault protection (51G) for transformer rating 2000 kVA,Dyn11,33/0.400 V. LV NCT ratio and necessary resistor and metrosil values how to calculate

2753

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