Advanced Technologies, Expert Implementation

RXPE Circuit

Customer Recognition for UHVDC World First

February 2021

China Southern Grid (CSG) have sent a Letter of Appreciation to RXHK for their contribution to making the WuDongDe UHVDC project a success. RXHK delivered a 5GW 800kV VSC HVDC valve and control set that was installed in the Longmen converter station of the WuDongDe UHVDC scheme.

In the letter CSG note that "the Wudongde VSC-UHVDC Project was completed and put into production half a year ahead of schedule.  Nineteen world firsts were delivered, leading the world's UHVDC technology into a new era of HVDC."

CSG praise RXHK for the way the company's resources were mobilised to successfully realise the project, highlighting the way during the site works phase all health and safety requirements to were strictly observed in order to implement CSG's requirements with strong focus on the prevention and control of the COVID-19 epidemic.

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The completion of the project significantly improves the level of power transmission from the middle and lower reaches of the Jinsha River, via the Wudongde Hydropower Station. When the hydro power plant is completed it will add 33 billion kWh of clean hydropower to the Guangdong-Hong Kong-Macao Greater Bay Area and the Guangxi Load Center each year, adding to  economic and social development and the reduction of green house gas emissions.