发明公开
EP3242389A1 POWER SUPPLY DEVICE FOR SUB-MODULE CONTROLLER OF MMC CONVERTER 审中-公开
用于MMC转换器的子模块控制器的电源装置

POWER SUPPLY DEVICE FOR SUB-MODULE CONTROLLER OF MMC CONVERTER
摘要:
Disclosed herein is a power supply apparatus for a sub-module controller of a Modular Multilevel Converter (MMC), which supplies driving power to the sub-module controller of an MMC connected to a High Voltage Direct Current (HVDC) system. The power supply apparatus includes a bridge circuit unit including N (N≥2, integer) energy storage units for storing a DC voltage in series-connected sub-modules in the MMC and multiple power semiconductor devices connected in parallel with the N energy storage units in a form of a bridge; and a DC/DC converter for converting a voltage output from output terminals formed between both ends of n (1≤n
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