single line diagram and per unit system

O N E L I N E D I A G R A M A N D P E R U N I T S Y S T E M

Power Systems

R. Femi, Lecturer, EEE & I, BITS pilani, K.K. Birla Goa campus.

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Outline


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Single phase representation of balanced 3 phase system


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Single phase representation of balanced 3 phase system


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One-line (single line) diagram


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One-line and Impedance representation


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Typical Indian eastern grid


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Introduction Per unit system


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Per unit system


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Per unit system


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Per unit system


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Per unit system


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Per unit Calculations


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Per unit system


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Per unit system


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Per unit system


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Per Unit conversion Procedure single phase


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Per Unit conversion Procedure Three phase


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Per Unit Change of MVA Base


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Per Unit System


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Per Unit System


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Per unit calculation of Transformer


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Per unit calculation of Transformer


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Load Representation


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Example-1


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Example-2


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Load Representation


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Example-3


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Example-3


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Solution


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Solution


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Solution


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Solution


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Example-4


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Solution


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Solution


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Example-5


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Solution


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Solution


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Solution


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Example-6


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Solution


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Solution


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Solution


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Solution


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Solution


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Solution


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Solution


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Example-7


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Solution


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Solution


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Solution


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single line diagram and per unit system

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