1.After synchronising the alternator to the grid,how we r delivering power to the grid?if the i/p increases does the speed hence frequency increases? 2.y the power factor is changing when exitation changes?what is the relation with p.f and flux?

4 Answers   BSNL,

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Why using synchronising methed in DG's sets?

0 Answers   Juniper Networks,

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how to calculate current carring capacity of cable and cable selection? 1) copper flexible cable 2) copper armoured cable 3) Aluminium cable

0 Answers  

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what is the acceptable earth resistance value ?

4 Answers  

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dielectric strength of vacuum is greater than SF6 but for 132Kv uses sf6 breaker & for 33kV uses vaccum breaker why such a contradiction?

2 Answers   MSETCL Maharashtra State Electricity Transmission Co Ltd,

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what is mean by kneepoint voltage? when it will happen? ( my doubt is, if CT secondary is open means ct get saturation or blas? what are factors are required for calculations? plz give currect anws:

0 Answers  

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What is the diff. between two phase & three phase supply.

7 Answers   Crompton Greaves,

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What will be the effect of circulating current in HT xlpe cable when both the armour ends are grounded. Will the termination fils after some time in case of 33 kv supply.

0 Answers  

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In HVDC LINE RECTIFIER CONTROL ON CONSTANT CURRENT AND INVERTER CONTROL CONSTANT EXITATION ANGLE CONTROL BUT HOW INVERTER CONTROL CONSTANT CURRENT?

0 Answers  

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HOW TO CALLICULATE RESITENCE,REACTANCE AND IMPEDENCE VOLTGE OF TRANSFORMER 13.33 KVA 144/240 VOLTS 93/56 A WITH FORMULA

0 Answers   ISRO,

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what is the meaning of harmonic in AC waves and when which are prduce and what is the effects on line and give any other information about harmonics

1 Answers  

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why ferranti efect occurs on no load only?

3 Answers  

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