Protective_Relaying

Protective_Relaying - EE641 Protective Relaying: Theory and...

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EE641 Protective Relaying: Theory and Applications
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Power System Power System is a whole complex of power plants, networks, and consumers of energy connected with each other by the unification of generation, transmission, distribution and consumption of energy
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Power System Power Plants Networks Consumers of Energy Devices of Protection and Control
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Protective Relaying The role of protective relaying is explained by the following aspects of a power system: Normal operation Prevention of electrical failure Mitigation of the effects of electrical failure
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Normal Operation No failures of equipment, no mistakes of personnel, no “acts of God” Involves the minimum requirements for supplying the existing load and certain amount of anticipated future load
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Considerations for Normal Operations Choice between sources of power Location of generating stations Transmission of power to the load Load characteristics and planning for its growth Metering Voltage and frequency regulation System operation Normal maintenance
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Prevention of Electrical Failure Provisions of adequate insulation Coordination of insulation strength with the capabilities of lightning arresters
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This note was uploaded on 02/16/2011 for the course EE 472 taught by Professor Dr.ilyagrinberg during the Spring '10 term at SUNY Buffalo.

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Protective_Relaying - EE641 Protective Relaying: Theory and...

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