为监测柔性直流输电系统各能耗设备及整体系统的损耗,开发了一套多端柔性直流输电能效计量系统,该系统通过采集调度主站电能量采集系统及数据采集与监视控制(SCADA)系统中的数据,并通过能耗计算模型实时计算,实现柔性直流输电系统在不同运行状态下的系统整体、换流站、能耗设备及电缆的实时能效监视、能效统计以及经济化运行分析等功能.该系统对能效计量系统的建设可起到借鉴作用.%For purpose of monitoring the loss of each device and overall system of flexible DC transmission system,an energy efficiency measurement system of multi-terminal flexible DC transmission is proposed in this paper.The system collects the data of dispatching master energy collection system and supervisory control and data acquisition (SCADA) system,and calculates in real-time through loss calculation model to realize the functions of energy efficiency monitoring,energy efficiency statistics and economic operation analysis of the whole system,converter stations,energy consumption equipment and cables under different operating states in the flexible DC transmission system.The system provides reference for construction of the other energy efficiency measurement systems.
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