Answer Posted / md shahalam

winding temp ,oil temp,breather bucholz relay,over voltage,over current ,earth fault.

how to increase senstivity of ct

2364

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According to conduit size which size wiring & how many wires can we provide wires in conduit & how can we select conduit size accordingly?

1826

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what the function breaker failure scheme, how is it operated

1857

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what will happen if OLR CT in all phases are short circuted

2111

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If i am running of spindle at 2000rpm ,but How to spindle stop at the second I am resetting the machine in CNC machines

1579

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- two pumps must work with them at the same time but if the first pump start the second pump  must delayed for some time to start  also , with motor rated power = 90 KW and rated voltage = 380 V and rated power factor = 0.85 lag please draw the power and control circuit for it and determine all circuit components parameters that you use it

2685

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how much UPS neutral erath leakage current.

3659

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What are the electrical engineer roles and responsibilities in chemical plant?

1630

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What is corkscrew rule?

1083

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In Dyn11 power transformer if any one of the 3 phases connected to earth in star connected side then please explain effect of the current flow in delta connected side of transformer.(In this case if one phase is shorted to ground in star connected side then we observe the current flow in two phases only not three phases in delta connected primary side. Please explain why it is so?)

1719

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how we can do the insulation on secondary of ct explain and so that tan delta will within limit

1874

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Please explain me about Relay curves and their sources to read ?

1757

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what is the difference between circular wdg & ractangular wdg?

2000

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How harmonic block test are conducted on relays ( Siemens,Areva ect )power transformer using omicron kit?

2202

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what is the difference between elcb and rccb ?

2260

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