HVDC Three Gorges-Changzhou

Country	China
Coordinates	30°47′6″N 111°31′48″E / 30.78500°N 111.53000°E / 30.78500; 111.53000 31°30′37″N 118°21′11″E / 31.51028°N 118.35306°E / 31.51028; 118.35306 31°30′02″N 118°22′11″E / 31.50056°N 118.36972°E / 31.50056; 118.36972 31°36′42″N 119°59′27″E / 31.61167°N 119.99083°E / 31.61167; 119.99083
General direction	north–south
From	Three Gorges
To	Changzhou
Owner	China Power Grid Development Co.
Manufacturer of substations	ABB
Commissioned	2004
Type of current	HVDC
Total length	940 km (580 mi)
Power rating	3,000 MW
AC voltage	500 kV
DC voltage	±500 kV
No. of poles	2

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The HVDC Three Gorges – Changzhou is an 940-kilometre (580 mi) long bipolar HVDC transmission line in China for the transmission of electric power from the Three Gorges power plant to the area of Changzhou.

The transmission line went into service in 2004. It runs from the static inverter station, Longquan, 31 miles (50 km) away from the Three Gorges power plant to the static inverter plant, Zhengping, near Changzhou. The HVDC Three Gorges-Changzhou is a bipolar 500 kV powerline with a maximum transmission power rating of 3,000 megawatts.

A part of the line is the Yangtze River Crossing Wuhu over Yangtze River using 229-metre (751 ft) tall pylons.

The electrode at Chujiahu is also used by HVDC Hubei - Shanghai for grounding.

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Wikipedia