how to calculate insulation level of transformer?

0 Answers  

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What is the In door to Out door Sub Station.

5 Answers   L&T,

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why we cannot protect 100% winding of an alternator by using differential protection?

0 Answers  

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How amny AH battery required for 600va inverter ?And how many hours it will give backup for ceiling fan ?

3 Answers   HCL,

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what is the function of a starter in a motor? explain RLC circuit.

14 Answers  

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In power generator sets, when they are coverted from 50hz to 60hz, the kva rating after conversion increases. For example, the manufacturer of a perkins 200kva @ 50Hz generator set has mentioned it to become 220kva after converstion to 60hz. What is the relation between the frequency & the KVA rating. Any formula please.

3 Answers  

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If we have two nodes A and B and Vab is the potential difference between these nodes then which node is called reference node a.node A b.node B c. Ground node

1 Answers  

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what is ht breaker

8 Answers  

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what is meant by CT`s saturation ? Can we use Metering CT`s with Protetection CT`s ?

0 Answers  

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What is the difference between emf, voltage drop and potential difference?

4 Answers  

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two bulbs of 100w and 40w respectively connected in paralel across a 230v supply.which bulb will glow bright and why?

4 Answers  

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why battery dc voltage become Half when we check with respect to ground for example 120volts + and - terminals and when we check + terminal with Earth thats 60volts why 60volts same result on 24Volts and with ground 12Volts only expert answer that thanks we can not ground the battery.

2 Answers   Etimaad,

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