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This paper designed a double close loop control system based on current and voltage. As the system instable in some cases, the traditional PI regulator can not regulate the system more precisely. To make a more stable and better control effect, it should be improved by using Neural Network Control to get a feedback adaptive control system of PWM rectifier in order to achieve better results.
Voltage-source multilevel inverters have become very attractive for power industries in power electronics applications during last years. The main purposes that have led to the development of the studies about multilevel inverters are the generation of output voltage signals with low harmonic distortion; the reduction of switching frequency. A serious constraint in a multilevel inverter is the capacitor...
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...
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