Vector analysis and control of advanced static var compensators pdf
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- Vector analysis and control of advanced static VAr compensators
- Schau Der 1993
- Flexible AC transmission systems: A status review
To eliminate this effect, the control strategy with elimination effect of the reactive current is proposed and the results of the control with and without the elimination the effect of the reactive current are compared.
Vector analysis and control of advanced static VAr compensators
Skip to Main Content. A not-for-profit organization, IEEE is the world's largest technical professional organization dedicated to advancing technology for the benefit of humanity. Use of this web site signifies your agreement to the terms and conditions. Vector analysis and control of advanced static VAr compensators Abstract: The advanced static VAr compensator ASVC is based on the principle that a self-commutating static inverter can be connected between three-phase AC power lines and an energy-storage device, such as an inductor or capacitor, and controlled to draw mainly reactive current from the lines. This capability is analogous to that of the rotating synchronous condenser and it can be used in a similar way for the dynamic compensation of power transmission systems, providing voltage support, increased transient stability, and improved damping. The authors present a simplified mathematical model of the ASVC that has made it possible to derive the transfer functions needed for control system synthesis. The resulting control system designs are briefly outlined and further analysis is presented to show the behaviour of the ASVC when the line voltage is unbalanced or distorted.
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Schau Der 1993
Application of static var compensator on large synchronous motors based on linear optimization control design. This paper describes the application of static var compensators , on an electrical distribution network containing two large synchronous motors, one of which is excited via a three-phase thyristor bridge rectifier. The second machine is excited via a diode bridge rectifier. Based on linear optimization control, the measurable feedback signals are applied to the control system loops of static var compensators and the excitation control loop of the first synchronous motor. The phase equations method was used to develop a computer program to model the distribution network.
This paper proposes a coordinated control method for battery energy storage systems BESSs and load-ratio control transformer LRT to control the voltage of a middle-voltage 6. Each local BESS minimizes the active power flow through the feeder bus where it is installed. A central BESS minimizes the power flow from the utility to the MG through the interconnection point where it is installed, which in turn limits the load bus voltages in the MG, such as those supplied by PV systems and the utility. This paper proposes a central BESS structure which can act as a distribution static compensator when its batteries are fully charged or fully discharged. MGs with loop and radial structures are studied to evaluate the effectiveness of the proposed method. The transactions of the Institute of Electrical Engineers of Japan.
With the availability of high power semiconductor switches with turn-off capability, voltage source converter based controllers for power transmission system applications have become a reality. This is a preview of subscription content, access via your institution. Rent this article via DeepDyve. Akagi H New trends in active filters for power conditioning. IEEE Trans. Power Apparatus Syst.
Flexible AC transmission systems: A status review
The control Abstract: The advanced static VAR compensator system has been designed to achieve fast dynamic control now widely known as the static condenser or of the instantaneous reactive current drawn from the line. The concept sion line. Two fundamentally different types of of instantaneous reactive current is a new one and will be invertor can be used for this purpose, one provid- explained in the following Sections.
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