Answer Posted / godwin

if it is ac machine p=vicospi for 1phase
p=root3vicospi for 3phase
in dc p=vi

Explain M Var? Which types of problem occurs when reactive power increase at the time of full load of plant and at the time of synchronize of plant?

1728

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in parallel operation of power transformer why the distance between power transformer and capacitor bank feeder is necessary to know

1757

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How to calculate the volumetric capacity of a oxygen & Nitrogen gas Cylinder if pressure is 145 kg/cm2 & water capacity of cylinder is 67 liters.

2125

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What does the term “voltage regulation” means?

1031

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in ring main system we use the isolater b/w transfer bus and main bus if we r not use isolatar than wat will be the effect in our sys.

2028

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Why does the speed regulating system adopting I controller have no steady-state error? In this single closed-loop speed regulating system, when the input of the I controller Un=0, what is the output voltage of the regulator? What factors do the output voltage depend on?

1816

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what is alluminium arm in ab conductors

1927

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What is ferro-resonance in electrical system? Why it occurs and what are measures to prevent it?

2161

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What is difference between safe PLC and normal PLC

1530

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How to calculate mf when meter equipment and meter are connected

1674

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why transmission is only 3 phase and not 2 or 4 or poly phases

2066

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What is the use for cable entry in control room?

1111

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sir,in our plant we r using SATEC PM172E power reading meeters in HT panel side it is monitoring the MB data smart viewer(sever).but last one week we did not get readings inthe server only available in meeter.tell me how communicate meter and server. and also what steps we take for checking.

2178

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What happen to generator if i have unbalanced load?

2050

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Explain the laying procedure and laying depth of submarine/subsea power cable for 220/400KV system? Also available cable diameter?

2063

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