what will happen when excitation of a synchronous machine is suddenly reduce to zero when it is running at full load..??

7 Answers  

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State nyquist stability criterion.

0 Answers  

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Currently what is the highest capacity (MVA) of SPPg generator available in the market?

0 Answers   SPPG,

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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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how to calculate sizing of NGTR (Transformer rating,Loading resistor value and Current rating of resistor) and what is the X/R ratio. Details : 11kV,Capacitance 1.73532 micro farads,40kA for 1sec.

1 Answers   Bhel, Indorama, Power Grid,

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HOW EFFICIENTLY LOAD IS SHARED BETWEEN ALTERNATORS

1 Answers  

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how to calculate the breaking capacity of different breakers.

0 Answers   UltraTech,

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I am using submission of two ct in one and half scheme for 67/67N protection. Both CTs star point is grounded separately near ct box.Will two point ground give wrong tripping to 67/67N during fault or no matter.

0 Answers   NCC,

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hello!my name is sheikh iam preparing for indian engineering servieces,please send me the old question papers..to sheikhshaazforjobs@gmail.com

0 Answers   APCPDCL, apspdcl,

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how much current a 100 sq mm busbar will carry?

1 Answers   ABB,

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difference between over current and over load protection?

5 Answers   BARC,

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How can we Run three phase motor when only single or two phase supply is available ??

3 Answers  

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