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China delays wind grid standard

CHINA: China is delaying the introduction of a national standard on integrating wind power to the grid until next year at the earliest, according to a senior industry official in Beijing.

The comments were made by Li Junfeng, deputy director of the energy research institute at the National Development and Reform Commission (NDRC), the country’s industrial watchdog and policy-maker.

Li said: "There is little more than a month of the year left, so it will be hard to introduce the national standard this year."

This will come as a relief to a number of wind farm operators and turbine manufacturers. Many are uneasy about the increase in costs associated with the implementation of the national standard.

The standard covers wind turbine control technologies, power forecast technologies and energy storage technologies.

In order to connect turbines to the grid it would present manufacturers with a number of requirements. These would include areas such as voltage, frequency, power factors, reactive power, low voltage ride-through and monitoring communications.

Chai Jianyun, a professor from Qinghua University said the standard will only be a guide, creating a fairly low threshold for wind farms and turbine makers.

However, if it is strictly implemented the national standard will have a big impacts on the Chinese wind power industry. In particular, it could raise costs for double-feed wind turbines, which amounts to about 80% of installed turbine capacity in the China.

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