Li-Ion battery has advantages such as high operation voltage, high power density and little self-discharge rate. 锂电池有工作电压高、能量密度大、自放电率小等优良特性。
To realize safe, high efficient, economic operation of power grid, it is important to detect three phase electrical parameter and real-time monitor operating condition of power grid. 检测三相电力参数、实时监控电网运行状态对实现电网安全、高效、经济运行非常重要。
Due to the regulating surpluses of the generators are shortage in the process of climbing peak, it is difficulty to keep security, high quality and economy operation of power system. 攀峰过程中发电机组上行时调节余量短缺,保持电网安全、优质、经济运行难度较大。
To realize high efficient, safe, economic operation of power system, it is very important to calculate and monitor three-phase ac electric parameter. 三相交流电的电参数的计算和监测对于实现电力系统高效、安全、经济的运行是很重要的。
Moreover, according to the research achievement of electronics, computer science and Control Theory, high quality of four-quadrant operation of Variable Frequency Power without power grid pollution will probably be achieved. 因此,利用电力电子技术、计算机技术和控制理论的研究成果,开发一种对电网无污染、四象限运行的高质量交流变频电源,成为从事电力电子分析与控制学者研究的热点。