In this study,the present situation and characteristics of power supply in remote areas are summarized.By studying the cases of power supply projects in remote areas,the experience is analyzed and described,and the ap...In this study,the present situation and characteristics of power supply in remote areas are summarized.By studying the cases of power supply projects in remote areas,the experience is analyzed and described,and the applicability of related technologies,such as grid-forming storage and power load management,is studied,including grid-connection technologies,such as grid-forming converters and power load management.On this basis,three power-supply modes were proposed.The application scenarios and advantages of the three modes were compared and analyzed.Based on the local development situation,the temporal sequences of the three schemes are described,and a case study was conducted.The study of the heavy-load power supply mode in remote areas contributes to solving the problem of heavy-load green power consumption in remote areas and promoting the further development of renewable energy.展开更多
地铁信号系统通过无线基站进行数据传输和通信,为列车提供准确的位置和速度信息,指导列车的运行。射频拉远单元(Remote Radio Unit,RRU)是地铁信号系统的关键组成部分,需要稳定可靠的电源供应来确保正常运行。由于地铁环境复杂且具有高...地铁信号系统通过无线基站进行数据传输和通信,为列车提供准确的位置和速度信息,指导列车的运行。射频拉远单元(Remote Radio Unit,RRU)是地铁信号系统的关键组成部分,需要稳定可靠的电源供应来确保正常运行。由于地铁环境复杂且具有高度可靠性要求,RRU供电面临一系列挑战和限制。为提高地铁信号系统运行的稳定性,分析了RRU在地铁信号系统中的重要性,明确其在信息传输和信号稳定性方面的核心地位。接下来,针对现有供电模式中的局限性和存在的问题进行探讨,揭示了主要问题,如供电不稳定、能耗过高等。针对这些问题,进一步提出了有效的解决措施。展开更多
文摘In this study,the present situation and characteristics of power supply in remote areas are summarized.By studying the cases of power supply projects in remote areas,the experience is analyzed and described,and the applicability of related technologies,such as grid-forming storage and power load management,is studied,including grid-connection technologies,such as grid-forming converters and power load management.On this basis,three power-supply modes were proposed.The application scenarios and advantages of the three modes were compared and analyzed.Based on the local development situation,the temporal sequences of the three schemes are described,and a case study was conducted.The study of the heavy-load power supply mode in remote areas contributes to solving the problem of heavy-load green power consumption in remote areas and promoting the further development of renewable energy.
文摘地铁信号系统通过无线基站进行数据传输和通信,为列车提供准确的位置和速度信息,指导列车的运行。射频拉远单元(Remote Radio Unit,RRU)是地铁信号系统的关键组成部分,需要稳定可靠的电源供应来确保正常运行。由于地铁环境复杂且具有高度可靠性要求,RRU供电面临一系列挑战和限制。为提高地铁信号系统运行的稳定性,分析了RRU在地铁信号系统中的重要性,明确其在信息传输和信号稳定性方面的核心地位。接下来,针对现有供电模式中的局限性和存在的问题进行探讨,揭示了主要问题,如供电不稳定、能耗过高等。针对这些问题,进一步提出了有效的解决措施。