EPE Association: EPE 1993 - 08 - Lecture Session L3b: STATIC VAR COMPENSATION AND APPLICATIONS

EPE 1993 - 08 - Lecture Session L3b: STATIC VAR COMPENSATION AND APPLICATIONS
You are here: EPE Documents > 01 - EPE & EPE ECCE Conference Proceedings > EPE 1993 - Conference > EPE 1993 - 08 - Lecture Session L3b: STATIC VAR COMPENSATION AND APPLICATIONS

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   IMPROVING STABILITY OF POWER SYSTEM BY FORCED COMMUTATION STATIC VAR COMPENSATOR
By N. Kimura; T. Funaki; Mr. Dahroji,;K. Matsu-ura; K. Takenaka [View]
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Abstract: Recent development of high power semiconductor switching devices with turn off ability makes it possible to use voltage source type forced commutation converters for high power reactive compensation in a large power system. We have investigated to improve the stability of an ac transmission system or an ac/dc interconnected system by installing the VSFC-SVC. Computer simulation results indicate that the voltage source type forced commutation static VAr compensator of even small rating can improve the system stability largely.

   TRANSIENT AC/DC SIMULATOR AND FIELD TESTS OF THE CLOSED LOOP CONTROL OF THE PELHAM SVC's
By G. Welsh; K. Bergmann; D. Retzmann; M. Schmidt [View]
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Abstract: Two static Var compensators, SVCs, have been installed at the Pelham substation near London / UK and were put into commercial operation in the summer of 1992. Both SVCs incorporate a TCR/TSC combination to give nominal ratings of -75 MV Ar to +150 MV Ar and are connected to the National Grid 400 kV system. Before the commissioning period, a phase of extensive testing and analysis of the digital closed loop control system was performed. This work was carried out using the original control hardware and software in conjunction with a real time transient AC / DC simulator (TNA). The results of this work were checked against field tests performed during the commissioning period. The parallel and independent operation of both SVCs at the same system node received special consideration. This paper gives an overview of the closed loop control and presents a spectrum of simulator and field test results of the SVCs' operation.

   FULLY CONTROLLED REACTOR FOR STATIC VAR COMPENSATION
By G. Blajszczak [View]
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Abstract: A novel configuration of a static var compensator (of fundamental harmonic reactive power) is proposed. The compensator operation consists in control of coupled reactors by force commutated switches. Advantages of such a converter are discussed and compared with traditional systems.

   OPERATING EXPERIENCE AT THE 500 KW PHOTOVOLTAIC PLANT PHALK MONT-SOLEIL
By A.-Ch. Rufer; R. Minder; T.-E. Moen [View]
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Abstract: A 500 kW photovoltaic power plant has been realised on Mont-Soleil in Switzerland as a national research, development and demonstration project. Together with Electrowatt and the Bernese Power, various other companies are involved in this Project. ABB Drives AG has realised the main component of the project which is a new RC-GTO-based PMW-Inverter configuration for feeding the active power in a 16 kV grid. At the beginning of 92 the complete system could be started up and began the normal operation of the power plant. A new decoupled control scheme for active and reactive power control with a superposed Maximum Power Tracker has been optimised. The PSR based control system includes closed-loop and open-loop control functions, and allows the full automatic operation of the plant all over the year. This contribution will describe the system and report the start-up and operation experience of that large scale solar energy system.

EPE 1993 - 08 - Lecture Session L3b: STATIC VAR COMPENSATION AND APPLICATIONS
You are here: EPE Documents > 01 - EPE & EPE ECCE Conference Proceedings > EPE 1993 - Conference > EPE 1993 - 08 - Lecture Session L3b: STATIC VAR COMPENSATION AND APPLICATIONS
	[return to parent folder]

	IMPROVING STABILITY OF POWER SYSTEM BY FORCED COMMUTATION STATIC VAR COMPENSATOR By N. Kimura; T. Funaki; Mr. Dahroji,;K. Matsu-ura; K. Takenaka	[View] [Download]
Abstract: Recent development of high power semiconductor switching devices with turn off ability makes it possible to use voltage source type forced commutation converters for high power reactive compensation in a large power system. We have investigated to improve the stability of an ac transmission system or an ac/dc interconnected system by installing the VSFC-SVC. Computer simulation results indicate that the voltage source type forced commutation static VAr compensator of even small rating can improve the system stability largely.

	TRANSIENT AC/DC SIMULATOR AND FIELD TESTS OF THE CLOSED LOOP CONTROL OF THE PELHAM SVC's By G. Welsh; K. Bergmann; D. Retzmann; M. Schmidt	[View] [Download]
Abstract: Two static Var compensators, SVCs, have been installed at the Pelham substation near London / UK and were put into commercial operation in the summer of 1992. Both SVCs incorporate a TCR/TSC combination to give nominal ratings of -75 MV Ar to +150 MV Ar and are connected to the National Grid 400 kV system. Before the commissioning period, a phase of extensive testing and analysis of the digital closed loop control system was performed. This work was carried out using the original control hardware and software in conjunction with a real time transient AC / DC simulator (TNA). The results of this work were checked against field tests performed during the commissioning period. The parallel and independent operation of both SVCs at the same system node received special consideration. This paper gives an overview of the closed loop control and presents a spectrum of simulator and field test results of the SVCs' operation.

	FULLY CONTROLLED REACTOR FOR STATIC VAR COMPENSATION By G. Blajszczak	[View] [Download]
Abstract: A novel configuration of a static var compensator (of fundamental harmonic reactive power) is proposed. The compensator operation consists in control of coupled reactors by force commutated switches. Advantages of such a converter are discussed and compared with traditional systems.

	OPERATING EXPERIENCE AT THE 500 KW PHOTOVOLTAIC PLANT PHALK MONT-SOLEIL By A.-Ch. Rufer; R. Minder; T.-E. Moen	[View] [Download]
Abstract: A 500 kW photovoltaic power plant has been realised on Mont-Soleil in Switzerland as a national research, development and demonstration project. Together with Electrowatt and the Bernese Power, various other companies are involved in this Project. ABB Drives AG has realised the main component of the project which is a new RC-GTO-based PMW-Inverter configuration for feeding the active power in a 16 kV grid. At the beginning of 92 the complete system could be started up and began the normal operation of the power plant. A new decoupled control scheme for active and reactive power control with a superposed Maximum Power Tracker has been optimised. The PSR based control system includes closed-loop and open-loop control functions, and allows the full automatic operation of the plant all over the year. This contribution will describe the system and report the start-up and operation experience of that large scale solar energy system.