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Aimed at the fluctuate characteristics of isolated wind power system export voltage and frequency, apply the Space Vector Pulse Width Modulation technology, design the control system of small capacity converter. Build the rectifier and inverter model in Matlab/simulink environment and simulated. The results show that the converter base on the control of SVPWM can dampen the wind power system output...
Inverter control is to enable the inverter output sinusoidal voltage stability, dynamic response, robustness. Uses the current SPWM to control the inverter and design the closed-loop transfer function of system based on ITAE optimal model, get the controller parameters. To control the inverter with the optimized parameters, simulation results show the current inverter SPWM control system can adapt...
Control of an advanced high-speed flywheel energy storage system (FESS) based on a high-speed surface mount permanent magnet synchronous machine (PMSM) is explored in this paper. A PWM inverter/rectifier controls the bi-directional flow of energy for charging and discharging the flywheel. During charging, an inner current loop controller and an outer speed loop controller regulate the system performance...
This paper presents a state-averaged model and an effective control method of a regenerative power storage system to save energy and improve electric network voltage fluctuation in urban railway transit. The regenerative power is stored and then provided to a traction motor by the storage system that consists of an electric double layer capacitors (EDLC) and bi-directional DC/DC converter. We have...
The paper proposes a multilevel single-phase rectifier-inverter with the cascaded connection of two three-arm converters. A semisinusoidal PWM switching technique is developed to form a five-level switching pattern on the rectifier side and the inverter side simultaneously. The DC-link voltages of two converters are regulated with one voltage controller. Balance of two DC-link voltages is controlled...
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