The design of the power line carrier communication system was introduced in this paper,DSP was adopted as the hardware platform to complete the core task.DSP sending terminal delivered the collecting data to the DSP r...The design of the power line carrier communication system was introduced in this paper,DSP was adopted as the hardware platform to complete the core task.DSP sending terminal delivered the collecting data to the DSP receiving terminal through the power line carrier, and the DSP receiving terminal send the data to PC through a serial port.The design improved the power line carrier communication system and the data transmission became faster and more reliable.The experiment results showed that the PER of the receiving data is less than 0.4%, which satisfied the power line carrier communication requirement Our design is feasible and effective.展开更多
When solving the routing problem with traditional ant colony algorithm, there is scarce in initialize pheromone and a slow convergence and stagnation for the complex network topology and the time-varying characteristi...When solving the routing problem with traditional ant colony algorithm, there is scarce in initialize pheromone and a slow convergence and stagnation for the complex network topology and the time-varying characteristics of channel in power line carrier communication of low voltage distribution grid. The algorithm is easy to fall into premature and local optimization. Proposed an automatic network algorithm based on improved transmission delay and the load factor as the evaluation factors. With the requirements of QoS, a logical topology of power line communication network is established. By the experiment of MATLAB simulation, verify that the improved Dynamic hybrid ant colony genetic algorithm (DH_ACGA) algorithm has improved the communication performance, which solved the QoS routing problems of power communication to some extent.展开更多
针对偏远油气田现场没有电信网络覆盖,导致现场数据无法采集回传,作业现场管理存在盲区,依赖移动通信网络进行的过程控制系统PCS(Process Control System)巡检作业无法使用等问题,提出了不同生产场景下利用通信新技术解决偏远油气田现...针对偏远油气田现场没有电信网络覆盖,导致现场数据无法采集回传,作业现场管理存在盲区,依赖移动通信网络进行的过程控制系统PCS(Process Control System)巡检作业无法使用等问题,提出了不同生产场景下利用通信新技术解决偏远油气田现场数据传输的方法,包括电力线载波、无线微波、NB-IOT、LORA、北斗卫星、高通量卫星等传输方式,结合生产现场实际情况,对每种技术的适用场景、成本效益以及可能的局限性进行了综合评估,得出了在不同应用场景下最适合的通信技术方案。结果表明,采用通信新技术可以快速解决不同偏远生产现场的传输难题,降低传输成本,为企业数字化发展助力。展开更多
在现代电力系统中,配网低电压问题常由多种因素引起,包括不平衡负荷、过长的供电距离或设备老化等。这些问题不仅影响电能质量,而且会降低用户满意度和电网运行效率。而智能电表的广泛部署为实时监控和管理配网提供了新的可能。文章深...在现代电力系统中,配网低电压问题常由多种因素引起,包括不平衡负荷、过长的供电距离或设备老化等。这些问题不仅影响电能质量,而且会降低用户满意度和电网运行效率。而智能电表的广泛部署为实时监控和管理配网提供了新的可能。文章深入探讨基于智能电表高速电力线载波(High-speed Power Line Carrier,HPLC)模块96点数据的配网低电压治理方法,根据自动识别和分类低电压问题,开发数据驱动的电压调节策略,并结合预测模型和预防措施,提出一套综合治理方案。然后,通过系统测试,验证所提方法的有效性和实用性。展开更多
文摘The design of the power line carrier communication system was introduced in this paper,DSP was adopted as the hardware platform to complete the core task.DSP sending terminal delivered the collecting data to the DSP receiving terminal through the power line carrier, and the DSP receiving terminal send the data to PC through a serial port.The design improved the power line carrier communication system and the data transmission became faster and more reliable.The experiment results showed that the PER of the receiving data is less than 0.4%, which satisfied the power line carrier communication requirement Our design is feasible and effective.
文摘When solving the routing problem with traditional ant colony algorithm, there is scarce in initialize pheromone and a slow convergence and stagnation for the complex network topology and the time-varying characteristics of channel in power line carrier communication of low voltage distribution grid. The algorithm is easy to fall into premature and local optimization. Proposed an automatic network algorithm based on improved transmission delay and the load factor as the evaluation factors. With the requirements of QoS, a logical topology of power line communication network is established. By the experiment of MATLAB simulation, verify that the improved Dynamic hybrid ant colony genetic algorithm (DH_ACGA) algorithm has improved the communication performance, which solved the QoS routing problems of power communication to some extent.
文摘针对偏远油气田现场没有电信网络覆盖,导致现场数据无法采集回传,作业现场管理存在盲区,依赖移动通信网络进行的过程控制系统PCS(Process Control System)巡检作业无法使用等问题,提出了不同生产场景下利用通信新技术解决偏远油气田现场数据传输的方法,包括电力线载波、无线微波、NB-IOT、LORA、北斗卫星、高通量卫星等传输方式,结合生产现场实际情况,对每种技术的适用场景、成本效益以及可能的局限性进行了综合评估,得出了在不同应用场景下最适合的通信技术方案。结果表明,采用通信新技术可以快速解决不同偏远生产现场的传输难题,降低传输成本,为企业数字化发展助力。
文摘在现代电力系统中,配网低电压问题常由多种因素引起,包括不平衡负荷、过长的供电距离或设备老化等。这些问题不仅影响电能质量,而且会降低用户满意度和电网运行效率。而智能电表的广泛部署为实时监控和管理配网提供了新的可能。文章深入探讨基于智能电表高速电力线载波(High-speed Power Line Carrier,HPLC)模块96点数据的配网低电压治理方法,根据自动识别和分类低电压问题,开发数据驱动的电压调节策略,并结合预测模型和预防措施,提出一套综合治理方案。然后,通过系统测试,验证所提方法的有效性和实用性。
