Flexible AC transmission systems: modelling and control by Xiao-Ping Zhang
By Xiao-Ping Zhang
This monograph provides complicated modelling, research and keep watch over thoughts of evidence. those themes mirror the hot learn and improvement of proof controllers, and count on the long run functions of proof in strength structures. The publication covers comprehensively a variety of power-system keep an eye on difficulties: from steady-state voltage and tool move keep watch over, to voltage and reactive energy keep watch over, to voltage balance regulate, to small sign balance regulate utilizing evidence controllers.
The booklet offers the modelling of the newest proof controllers for energy circulate keep watch over, repayment and tool caliber (IPFC, GUPF, VSC HVDC and M-VSCHVDC, etc.) in strength method research. the choice is evaluated through the particular and sure destiny sensible relevance of every. the fabric is derived regularly from the study and business improvement during which the authors were seriously concerned. The booklet is well timed and of significant worth to energy engineering engineers and scholars of modelling, simulations and keep watch over layout of evidence for a wide functional variety of energy approach operation, making plans and keep an eye on problems.
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Extra resources for Flexible AC transmission systems: modelling and control
25, which is based on the design of two STATCOM converters with IGBTs. References = ~ 25 ~ = Fig. 24. Schematic configuration of a HVDC Back-to-Back with Voltage Source Converters Fig. 25. HVDC Back-to-Back with Voltage Source Converters, 2 x 36 MVA (Source: ABB) References      Sood VK (2004) HVDC and FACTS Controllers: Applications of Static Converters in Power Systems. Kluwer Academic Publishers Acha E, Fuerte-Esquivel C, Ambiz-Perez H (2004) FACTS Modelling and Simulation in Power Networks.
Power flow adjustments. 1 Series Compensation The world's first Series Compensation on transmission level, counted nowadays by the manufacturers as a FACTS-device, went into operation in 1950. Series Compensation is used in order to decrease the transfer reactance of a power line at rated frequency. A series capacitor installation generates reactive power that in a self-regulating manner balances a fraction of the line's transfer reactance. The result is that the line is electrically shortened, which improves angular stability, voltage stability and power sharing between parallel lines.
2 Series Devices Series devices have been further developed from fixed or mechanically switched compensations to the Thyristor Controlled Series Compensation (TCSC) or even Voltage Source Converter based devices. The main applications are: • reduction of series voltage decline in magnitude and angle over a power line, • reduction of voltage fluctuations within defined limits during changing power transmissions, • improvement of system damping resp. damping of oscillations, • limitation of short circuit currents in networks or substations, • avoidance of loop flows resp.