Power Systems II

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Published: June 20, 2010

Power Systems II  | read this item

Introduction
(a) Electric power systems are :
I. Interconnected A.C Networks
II. Isolated AC Networks
III.
(b) Comprising :
I. Generators
II. Transformers
III. Transmission Lines
IV. Loads
(c) Power System Operation
I. Rate of Power flow is controlled by switching circuit breakers
II. Control of power flow is achieved by adjustment of transformers turns ratio, machine excitation and steam input to turbines.
(d) Power System Function
I. Provide a sinusoidal supply of constant voltage and frequency with in specified limits
II. Marinating continuity [...]