Equipment that keeps grid voltage steady and supplies or absorbs reactive power, such as static VAR compensators, STATCOMs, unified power flow controllers, synchronous condensers, voltage regulators and series capacitors. A technology belongs here when its cited article describes voltage regulation or reactive power compensation. These devices keep voltage within limits and balance reactive power on long lines and heavy loads, using rotating machines, capacitors or power electronics. A device is placed here by the voltage control or compensation role the cited article describes.
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Reactive Power and Voltage Control
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Wikipedia: Static VAR compensator
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In electrical engineering, a static VAR compensator (SVC) is a set of electrical devices for providing fast-acting reactive power on high-voltage electricity transmission networks.
Static synchronous compensator (Wikipedia)
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In electrical engineering , a static synchronous compensator (STATCOM) is a shunt-connected, reactive compensation device used on transmission networks.
Unified power flow controller (Wikipedia)
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A unified power flow controller (UPFC) is an electrical device for providing fast-acting reactive power compensation on high-voltage electricity transmission networks.
Wikipedia: Synchronous Condenser
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In electrical engineering, a synchronous condenser (sometimes called a syncon, synchronous capacitor or synchronous compensator) is a DC-excited synchronous motor, whose shaft is not connected to anything but spins freely.
Wikipedia: Voltage regulator
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A voltage regulator is a system designed to automatically maintain a constant voltage.
Wikipedia: Induction regulator
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An induction regulator is an alternating current electrical machine, somewhat similar to an induction motor, which can provide a continuously variable output voltage.
Wikipedia: Booster (electric power)
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A booster was a motor-generator (MG) set used for voltage regulation in direct current (DC) electrical power circuits.
Wikipedia: Flexible AC transmission system
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In electrical engineering, a flexible alternating current transmission system (FACTS) is a family of power-electronic based devices designed for use on an alternating current (AC) transmission system to improve and control power flow and provide dynamic voltage support.
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In electrical engineering, a flexible alternating current transmission system (FACTS) is a family of power-electronic based devices designed for use on an alternating current (AC) transmission system to improve and control power flow and provide dynamic voltage support.
View the Source Wikipedia: Static synchronous series compensator
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A static synchronous series compensator (SSSC) is a type of flexible AC transmission system which consists of a solid-state voltage source inverter coupled with a transformer that is connected in series with a transmission line.
Switchyard reactor - Wikipedia
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In an electric power transmission grid system, switchyard reactors are large inductors installed at substations to help stabilize the power system.
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