Guangdong Power Grid DC Back-to-Back Dongguan Project


        On December 25, 2021, the DC back-to-back Dongguan Project, AC field of Guangdong Power Grid was put into operation for the first time. The first 20MVA efficient energy-saving 3D wound core oil-immersed transformer of Southern Power Grid supplied by Haihong Electric Co., Ltd. was successfully put into operation, and the first batch of 3150kVA energy-saving and environment-friendly 3D wound core dry-type transformers planned to be energized were also successfully put into operation.

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