DC Ammeter

DC Ammeter

DC Ammeter: DC Ammeter - The PMMC galvanometer constitutes the basic movement of a dc ammeter. Since the coil winding of a basic movement is small and light, it can…

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Prevention of Voltage Collapse in Power System

Prevention of Voltage Collapse in Power System: Prevention of Voltage Collapse in Power System is given by 1. Application of reactive power-compensating devices: Adequate stability margins should be ensured by…

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Types of Facts Controllers in Power System

Types of Facts Controllers in Power System

Types of Facts Controllers in Power System: The development of FACTS controllers has followed two different approaches. The first approach employs reactive impedances or a tap changing transformer with thyristor…

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Power System Security Analysis

Power System Security Analysis: Power System Security Analysis can be broken down into two major functions that are carried out in an operations control centre: Security assessment, and Security control.…

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Factors Affecting Transient Stability

Factors Affecting Transient Stability

Factors Affecting Transient Stability: Factors Affecting Transient Stability - The two-machine system can be equivalently reduced to a single machine connected to infinite bus bar. The qualitative conclusions regarding system…

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