As one of key components of a wind generating set, the wind power converter accounts for 17.9% of costs of wind power equipment automation products. It can optimize the operation of wind power system, improve the efficiency of wind turbine, reduce power loss, and raise utilization of wind energy.
In 2014, the global installed wind power capacity increased by 47.3GW, up 33.9% from a year earlier. In particular, China contributed 17.7GW, a 9.6% rise year on year, ranking the world's first for five consecutive years.
Driven by the resumption of offshore wind power projects in August 2013 and the State's support for wind power industry, the output value of China's wind power converter industry amounted to RMB5.8 billion in 2014, up 11.5% from a year earlier. The demand was 10,727 sets, rising by 14.7%, year on year.
At present, the 1.5MW and 2MW wind power converters are widely used in the market, with the total demand for both accounting for more than 80%. In the future, as offshore wind power expands, the industry's R&D focus will be shifted to 5MW-10MW wind power converters.
Now that China's wind power industry started relatively late, the domestic wind power converter market was monopolized by the foreign players like ABB, Emerson, and Siemens. In contrast, the Chinese enterprises such as Sungrow Power Supply, Hi-Tech Control, Zhuzhou CSR Times Electric occupied a mere 5% market share.
ABB: In 2014, the company released a new air cooled doubly-fed wind power converter, targeting China's onshore and offshore utility-scale wind turbines, with the power range of 1.5MW-2.2MW.
Emerson: In October 2014, WinTrust series 2MW doubly-fed wind power converter (air cooled) products won the bid for the Yunnan Huadian's Daheishan Project; in January 2015, WinTrust series 2MW doubly-fed wind power converter (water cooled) products won the tender for Huadian Anhui's Wuwei Project.
Sungrow Power Supply: in early 2014, the company completed a 600,000 kw/a wind power converter technological transformation project, including a 400,000 kw/a full-power wind power converter capacity and 200,000 kw/a doubly-fed wind power converter; in October 2014, the company launched a full-power wind power converter for the ≥5MW offshore wind power turbine unit.
Hi-Tech Control: In recent years, the company has aggressively developed wind power converters. In 2014, it developed 5.5MW WINGREEN high-voltage high-power offshore wind power converter; in 2015, it will develop 3.0MW full power (liquid cooled) wind power converter.
Global and China Wind Power Converter Industry Report, 2014-2018 by ResearchInChina is primarily concerned with the following:
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