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Real-time simulation is an important tool of validating the performance of the modular multilevel converter (MMC). By using the field programmable gates array (FPGA), MMC valves with hundreds of sub-modules and the large number of inputs and outputs can be simulated in real-time. In the traditional FPGA based real-time simulation, only the MMC valves are implemented on FPGA, while the rest parts including...
This paper focused on a new type simulation platform. Restricted by the number of network nodes and time step, traditional all digital simulation platform is not fast enough for the modular multilevel converter Based HVDC (MMC-HVDC). This paper presented a real-time digital-analog hybrid simulation platform including 49-level MMC, described the method of calculating the proportion of the platform...
The paper describes methods to determine the operating losses of every component in VSC-HVDC transmission system. Converter valves, converter transformer, converter reactors and the others devices are considered. The procedure for loss evaluation is presented and measures to reducing the losses are presented. The difference and similarity of evaluation of losses to conventional HVDC are emphasized...
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