What are Passive Filters?: Passive filters are mainly networks using inductors, capacitors and resistors. The classical theory employed was based on the image parameter theory which in turn was based…
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…
Principle Operation of Switching Power Converters: Controllable reactive power can be generated by dc to ac switching converters which are switched in synchronism with the line voltage with which the…
Concepts and Technology of Flexible AC Transmission Systems (FACTS): Flexible AC Transmission Systems - The rapid development of power electronics technology provides exciting opportunities to develop new power system equipment…
What is Shunt Compensation in Power System?: Shunt Compensation are connected in shunt at various system nodes (major substations) and sometimes at mid-point of lines. These serve the purposes of…
What is Series Compensation in Power System?: Series Compensation - A capacitor in series with a line gives control over the effective reactance between line ends. This effective reactance is…
Recent Trends in Power System Stability: Recent Trends in Power System Stability in design of large alternators tend towards lower short circuit ratio (SCR = 1/Xd), which is achieved by…
Types of Forced Commutation: It was observed from the discussion on choppers and inverters that in thyristor systems fed from dc supply, the forward current does not pass through zero…