Winds of change: ABB technology is being installed in China’s offshore wind projects

2016-03-29 - ABB technology customized for the offshore environment is playing its part in the growth of China’s offshore wind sector. This includes products and solutions for Asia’s first 110-kilovolt offshore wind booster station, which was recently energized.

China is already a leader in wind power generation and with its long coastline, the potential for adding to its current offshore wind power capacity is significant. This could become a key part of the government’s plans to produce 15 percent of all electricity from renewable resources by 2020.

The country currently has two offshore wind farms in operation, according to a China National Energy Administration report, and these offer a total installed base of 61 megawatts (MW). These include the Donghai Bridge Offshore Wind Farm, which is China’s first offshore wind farm and to which ABB contributed its technology. ABB also provided power products for the offshore booster station at the Xiangshui Offshore Wind Farm, which has completed its first stage of construction, but has not been commissioned yet. In total, 15 offshore wind farms are in construction or planning, and they would offer a total installed base of over three gigawatts.

ABB has also now contributed to the 150-MW Rudong Offshore Wind Farm of China Guangdong Nuclear Power Company (CGNPC), one of a number in this area on the Yellow Sea coast. It has supplied power products and solutions to Asia’s first 110-kilovolt (kV) offshore wind booster station. The project was successfully energized at the end of 2015.

This unmanned offshore wind booster station will help boost the voltage level of the power generated by the wind farm to 110 kV for it to be integrated into the major power grid of East China. Booster stations can help cut transformation losses and enhance grid capacity during wind power integration.

ABB has supplied customized products including a 160-megavolt ampere (MVA) transformer, 110 kV gas-insulated switchgear (GIS), low-voltage and medium-voltage switchgear, a direct current system and uninterruptible power supply (UPS), a grounding transformer and a resistor cabinet. Most of the products have special designs with enhanced anti-corrosion, condensation-proof and vibration-proof functionalities, to cope with the damp and windy operation environment off the shore. The compact GIS, which enables up to 90 percent space savings compared to air-insulated switchgear, is also suited to offshore platforms.

“We are pleased to contribute our leading technology and experience to Asia’s first 110kV offshore wind booster station,” said Claudio Facchin, President of ABB’s Power Grids division. “Supporting the growth of China’s fast-developing wind power market and the integration of more renewables into the Chinese grid is part of our Next Level strategy.”

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