【摘要】 对智能变电站中常见环境能量源的收集技术和特点进行了介绍,同时根据监测传感器节点的功耗特征设计了相应的能量自供给电路;通过LTspice仿真软件模拟搭建了自供电节点的能量收集和功耗模型,进行了仿真分析;仿真结果表明,采用变电站环境中的太阳能、温差能和风能收集技术,在现有的技术条件下可以做到一些低功耗无线传感器节点的能量完全自供给,避免了因更换节点电池而引起的设备频繁停电维护。更多还原

【Abstract】 The environment energy harvesting techniques and their major characteristics in smart substations were introduced,the corresponding self-powered circuits were also designed based on the power consumption of the monitoring sensor nodes.The simulation research through the LTspice software was proposed based on the harvested and consumed power models of the sensor node.The results indicated that the low-power wireless sensor nodes can be totally self-powered under the existing technology if the solar,thermal and wind energies were well collected.These approaches avoid the high maintenance due to the power cut and the change of batteries.更多还原