A model for supercapacitor voltage equalization strategy is analyzed, and on this basis a supercapacitor voltage equalization method for Rubber Tyred Gantry Crane (RTG) energy saving system is proposed, namely active ...A model for supercapacitor voltage equalization strategy is analyzed, and on this basis a supercapacitor voltage equalization method for Rubber Tyred Gantry Crane (RTG) energy saving system is proposed, namely active voltage equalization method based on Buck-Boost converter. The equalizing speed of the proposed method is fast. Firstly, the working principle and process of the voltage equalization circuit is analyzed in detail. In addition, design of active voltage equalization circuit parameters and control strategy are given. Finally, simulation analysis of the series connection of supercapacitors module is performed. Results show that this method for equalizing voltage can avoid over-voltage of each cell and possess practicable and high value for supercapacitor RTG energy saving system.展开更多
为了将升压谐振电抗器、测压电容分压器及其均压环通过优化设计布置在750 k V开关设备现场交流耐压车载试验平台有限的空间里,对电抗器与分压器共用均压环一体化设计进行了研究,包括具体实现方式、电抗器与分压器之间电位差、电场分布...为了将升压谐振电抗器、测压电容分压器及其均压环通过优化设计布置在750 k V开关设备现场交流耐压车载试验平台有限的空间里,对电抗器与分压器共用均压环一体化设计进行了研究,包括具体实现方式、电抗器与分压器之间电位差、电场分布仿真计算和测量系统校准试验等,目前已在现场得到了成功应用。展开更多
文摘A model for supercapacitor voltage equalization strategy is analyzed, and on this basis a supercapacitor voltage equalization method for Rubber Tyred Gantry Crane (RTG) energy saving system is proposed, namely active voltage equalization method based on Buck-Boost converter. The equalizing speed of the proposed method is fast. Firstly, the working principle and process of the voltage equalization circuit is analyzed in detail. In addition, design of active voltage equalization circuit parameters and control strategy are given. Finally, simulation analysis of the series connection of supercapacitors module is performed. Results show that this method for equalizing voltage can avoid over-voltage of each cell and possess practicable and high value for supercapacitor RTG energy saving system.