Abstract

In order to monitor the loss of each equipment and overall system of flexible DC transmission system, An energy efficiency metering system of multi-terminal flexible DC transmission is developed in this paper. The system collects the data of dispatching master station and supervisory control and data acquisition (SCADA) system, and calculates in real time through loss calculation model to realize the functions of real-time energy efficiency monitoring, energy efficiency statistics and economic operation analysis of whole system, converter stations, energy consumption equipment and cables under different operating conditions of the flexible DC transmission system. The system can serve as a reference for the construction of other energy efficiency measurement systems.

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