Concerned about Japan's current development of wind power generation - wind power, power plants - Electrical industry

So far, wind power generation technology in Japan is a backward country. Currently, the total installed capacity of wind power around the world 980 million kilowatts. 80 years from the last century, Japan began building wind Power Equipment 1990, only 3,000 kilowatts of wind power capacity, by the end of 1997 increased to 17,000 kilowatts.

To March 1999, Japan's total wind power 77, power generation capacity of 31,000 kilowatts. Japan's goal is to wind power capacity by 2010 to 30 million kilowatts. Among them, the integrated trading company Tomen Corporation was the first in this field started commercial production: overseas, that is, in the United States, Canada, Denmark, the Netherlands, five European countries in the building of 565 thousand kilowatts of wind power generation equipment; in China, 1998 imported from Denmark, 20 sets of power each, and 1,000 kW of wind power generation equipment, is a "wind country," said the former town of Hokkaido bamboo brush for utensils thatch build large-scale wind power plant, can be put into operation by the end of November. It will the price per unit of 11.6 yen to the production of electricity sold to Hokkaido Electric Power Company. Total investment of 45 billion yen. The company plans by 2010 under the North Peninsula in Aomori Prefecture and then a total installed capacity building of 6? 70,000 kilowatts wind power generation equipment. Included in the overseas part of the account, it intends to build 100 MW size device, the world's largest wind power company.

Reporter recently visited the Wood God living in Mie Prefecture, the original wind power. It was built in the well-known outlet "to take winding mountain" on a total of four sets of power generation equipment, power generation power of 750 kW each, with a total installed capacity of 3,000 kilowatts, is the largest wind power plant in Japan, the annual power generation is about 800 million degrees, for residents of local 2400. Construction of this wind power station of about 1 billion yen investment.

According to analysis of wind power in Japan lags behind the cause of the following reasons: First, the Government regulations restrict the industry involved in non-electrical power industry; Secondly, the production cost of wind power than Other Power high; third, power station construction by the topography of??? No wind Department can not build, and power generation equipment is also affected by wind speed and other natural conditions, wind speed less than 3 meters per second or higher than 25 meters, power generation equipment difficult to operate; fourth, perhaps the biggest reason why Japan is not too rich in wind resources. According to calculations, the Japanese on land wind power capacity to meet domestic electricity demand up to 1%? 4%.

This means that, compared to low economic efficiency of wind power. Therefore, the use of the cheap imports Oil Of Japan, the wind power generation will certainly not be a positive development and popularity of the object.

Also the same reasons, in wind power technology, Japan is also far from Europe and the United States. Japan's first domestic wind power is the end of 1980 produced by Mitsubishi Heavy Industries, Ltd.: the tower 23.2 meters, impeller diameter of 48.9 m, to synchronize Generator , Power is only 40 kilowatts. Since then, the company's ongoing research and development, manufacturing 1997 500 kW-class wind power generation equipment, in 1998, achieved the 1,000 kW class device domestically. This shows that Japan's wind power technology to catch up with the international standards.

Mitsubishi Heavy Industries, Ltd. 1000-kilowatt wind power generation equipment installed in the city of Muroran, Hokkaido. The device is 60 meters high tower, made by induction Motor , Variable tilt angle control system to automatically change according to wind speed changes in the tilt angle of the impeller, so that power generation equipment in the best operating condition; deflection control system of the impeller with the wind can change direction, the most effective use of wind power. It also support to vibration and low noise of steps, programmable controller to control it at nobody running condition. In wind speed over 24 meters per second and less than 3 meters, the whole device will automatically stop running. In addition, it also has to ensure safe operation of these devices.

Japanese companies are also working with other relevant research and development of small-scale wind power generation equipment.

Xi Guma companies, the three companies jointly developed the successful use of solar and wind hybrid power generation system.

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