Abstract：In order to eliminate the grid-connected power fluctuation of an elevator brake energy recovery system, a novel grid-connected converter system is proposed. The drive power is predicted by the adaptive power-prediction model with parameters online adjustment. After that, the four-quadrant voltage type grid-connected converter feeds back the energy or consumes it with a constant power, based on the super capacitor energy storage. Therefore, the power quality is improved greatly. The effectiveness of the device and control strategy is validated by simulation and experiment results. FFT analysis of experiment data shows that, about 75.7% of power fluctuation within 0.01Hz to 1Hz is reduced.
邓哲, 周峰武, 金灵辉, 吕征宇, 戎萍. 基于超级电容储能与自适应功率预测模型的电梯制动能量回收系统并网功率优化控制[J]. 电工技术学报, 2013, 28(9): 205-213.
Deng Zhe, Zhou Fengwu, Jin Linghui, Lü Zhengyu, Rong Ping. Power Optimal Control of Elevator Brake Energy Recovery System Based on Super-Capacitor Energy Storage and Adaptive Power-Prediction Model. Transactions of China Electrotechnical Society, 2013, 28(9): 205-213.
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