China's electric power sector in the transmission line to use aluminum alloy instead of the traditional ferromagnetic materials, achieved significant energy-saving effect, and improve work efficiency and shorten the maintenance blackout time. Jingzhou Power Authority in Hubei Province to use 12000 pieces of energy-saving clamp clip, saving 1.43 million kilowatt hours a year, saving electricity costs 572,000 yuan.
At present, the power fittings used in China's power lines are basically made of ferromagnetic materials mainly made of satin cast iron, and will have hysteresis loss and eddy current loss in the fittings. Survey statistics show that the loss caused by ordinary fittings in the distribution network accounts for about 0.01% -0.03% of the transmission capacity. Energy-saving hardware made of aluminum alloy eliminates hysteresis loss and greatly reduces eddy current losses. In addition, the energy-saving hardware in the structure from the traditional bolt-type structure to wedge-shaped structure, significantly improve work efficiency and reduce construction costs.
According to the information provided by the State Economic and Trade Commission energy-saving information dissemination center, energy-saving hardware has been developed and put into use for a series of products with various voltage level transmission lines. Its mechanical properties and life expectancy are both higher than ordinary cast iron fittings and can be widely used in transmission, Distribution line construction and transformation, the market potential is very large. The length of distribution lines in China is about 20 million km. Ten sets (30 pieces) of fittings are installed per kilometer of lines, with a market potential of 600 million. If 10% of the ferromagnetic material is replaced by energy saving fittings, the annual saving of up to 60 billion kilowatt hours.
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