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曳引电梯蓄能器储能液压节能系统及电容能耗研究
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NSFC-河南联合基金重点项目(U1804254)


Study on Traction Elevator Accumulator Energy Storage Hydraulic Energy Saving System and Capacitor Energy Consumption
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    摘要:

    根据曳引电梯运行特征与蓄能电池储能特点,引入电容补偿方法实现系统的能力回收,设计一种基于蓄能器储能的曳引电梯液压节能系统。该系统实现储能过程与曳引机负载间良好匹配,可以通过电容吸收多余能量,有效降低了能量损耗。仿真结果表明:在轻载上行与重载上行下,表现为正能量,能量被存储到电容中;在重载上行与轻载下行中,电梯表现为负能量,电容能量被释放出来为电梯提供驱动力;曳引机在发电阶段形成更高电荷,电容开始存储,超出蓄能器能够存储能量,形成了更高电容电压;曳引机电动阶段形成了更小电荷,电容能量释放,为系统运行提供驱动力。在能量流动阶段各元件都存在能量损耗,在下行阶段损耗随着负载的增加表现为较低的变化,此系统对负载适应度很高。

    Abstract:

    According to the operation characteristics of the traction elevator and the energy storage characteristics of the energy storage battery,the capacitance compensation method was introduced to realize the capacity recovery of the system,and a hydraulic energy saving system of the traction elevator based on the energy storage of the accumulator was designed.The system could achieve a good match between the energy storage process and the tractor load,the excess energy could be absorbed by capacitance and the energy loss was effectively reduced.The simulation results show that under light load uplink and heavy load uplink,the energy is presented as positive energy,and the energy is stored in the capacitor; under the heavy load up and light load down,the elevator shows negative energy,and the capacitive energy is released to provide the driving force for the elevator;the tractor forms a higher charge in the generation stage,and the capacitor begins to store more energy than the accumulator can store,thus forming a higher capacitor voltage;in the electromechanical stage of the traction,a smaller charge is formed,and energy is released from the capacitor,which provides a driving force for the system operation.In the energy flow stage,all components have energy loss.In the downward stage,the loss shows a low change with the increase of the load.The system has a high adaptability to the load.

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齐冠然,杨淑贞,李民,卢金生,李洪涛.曳引电梯蓄能器储能液压节能系统及电容能耗研究[J].机床与液压,2023,51(3):146-150.
QI Guanran, YANG Shuzhen, LI Min, LU Jinsheng, LI Hongtao. Study on Traction Elevator Accumulator Energy Storage Hydraulic Energy Saving System and Capacitor Energy Consumption[J]. Machine Tool & Hydraulics,2023,51(3):146-150

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  • 在线发布日期: 2023-03-02
  • 出版日期: 2023-02-15