Protection of Permanent Fault on DC Overhead Lines By Hybrid Converter - Softcover

Inhaltsangabe

Due to the popularity of power electronics devices HVDC system becomes potential candidate for grid integration of renewable energy over long transmission. The book contains hybrid multilevel converter (HMC), which is one of the most suitable replacement for traditional voltage source converters because of fast response during dc link fault on overhead lines. HMC consists of two main parts, one which is director switches (DSs) made from number of series insulated-gate-bipolar-transistors (IGBTs) and second one is wave shaping circuit (WSC) consists of stack of full-bridge sub modules (FSMs). This book mainly focuses on the modulation techniques and control for the DS's and WSC's to determine the number of FSM to be inserted. Nearest level control (NLC) method and third harmonic injection and sorting method also discussed for the capacitor voltage balancing. The book gives all the simulation diagrams results and programs required.

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