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In recent years, power line communication technology has seen a rapid development. However, due to the unsteadiness of the power line channels, the communication attenuation and bit error rate is still a big problem. Based on the previous research of spread spectrum communication and orthogonal frequency division multiplexing (OFDM), in this paper, we studies the method to eliminate attenuation using...
By analyzing the topology and mathematical model of modular multilevel converters (MMCs), a control scheme based on the energy reallocation is proposed to control the MMC with redundant submodules. This control scheme is not only appropriate for the MMC in normal state but also applicable to the MMC in submodules fault state. Considering the circulating currents characteristics of the MMC in submodule...
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