Research of wireless power supply system for automatic long-distance inspection winch
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摘要: 针对煤矿井下绞车供电问题,设计了一种长距离自动巡检绞车无线供电系统,重点介绍了该系统的无线供电模式,并通过理论分析得出系统的输出功率、输出效率随原边线圈内阻的增大而减小,随逆变器开关频率的增大而增加;根据该结论及井下绞车长距离导轨的实际情况,设计了分段供电模式。仿真与实验结果验证了该系统的可行性。Abstract: For power supply problem of coal mine winch, a wireless power supply system for automatic long-distance inspection winch was designed. The wireless power supply mode of the system was introduced in details. Conclusions gotten by theoretical analysis were as following: the system output power and output efficiency decline with increasing of primary coil resistance and increase with increasing of inverter switching frequency. According to the conclusions and long-distance guide for coal mine winch, a sectional power supply mode was designed. The simulation and experiment results verify feasibility of the system.
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