HVDC Three Gorges – Changzhou

HVDC Three Gorges – Changzhou
Location
Country	China
Coordinates	30°47′6″N111°31′48″E 31°30′37″N118°21′11″E 31°30′02″N118°22′11″E 31°36′42″N119°59′27″E
General direction	north–south
From	Three Gorges
To	Changzhou
Ownership information
Owner	China Power Grid Development Co.
Construction information
Manufacturer of substations	ABB
Commissioned	2004
Technical information
Type of current	HVDC
Total length	940 km (580 mi)
Power rating	3,000 MW
AC voltage	500kV
DC voltage	±500kV
No.of poles	2

TheHVDC Three Gorges – Changzhouis an 940-kilometre (580 mi) long bipolarHVDCtransmission line inChinafor the transmission of electric power from theThree Gorgespower plant to the area ofChangzhou.

The transmission line went into service in 2004. It runs from the staticinverter station,Longquan,31 miles (50 km) away from the Three Gorgespower plantto the static inverter plant, Zhengping, near Changzhou. The HVDC Three Gorges-Changzhou is abipolar500kVpowerline with a maximumtransmission power ratingof 3,000megawatts.

A part of the line is theYangtze River Crossing Wuhuover Yangtze River using 229-metre (751 ft) tallpylons.

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

Sites

Site	Coordinates
Longquan Static Inverter Plant	30°47′6″N111°31′48″E
Chujiahu Electrode	30°36′26″N111°54′51″E
Yangtze Powerline Crossing, Tower North	31°30′37″N118°21′11″E
Yangtze Powerline Crossing, Tower South	31°30′02″N118°22′11″E
Zhengping Electrode	31°36′12″N119°45′59″E
Zhengping Static Inverter Plant	31°36′42″N119°59′27″E

External links

• ABB Three Gorges - Guangdong