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In mountainous areas that cannot be covered by rural power grids, the use of electricity has always been a prominent problem that has plagued local people. In order to effectively solve the problem of electricity use in poor mountainous areas, starting from 2008, Yongsheng County has effectively solved the problems of production and use of electricity by people in some mountainous regions through the introduction of solar photovoltaic power station projects.
Hedong and Xiangyang in Dongshan Township, Yongsheng County are the two village committees that are remote and impoverished in the township. The people here have not been able to use safe and stable power. Seriously affected the local economic and social development. In July 2008, through the aid of the provincial photovoltaic company, two sets of photovoltaic station equipment were imported from Germany. Among them, the installed capacity of photovoltaic power of Hedong Village Committee was 112KW.h, and the installed capacity of Xiangyang Village Committee was 39KW. .h, the coverage radius of each photovoltaic power is 10 kilometers, and it covers more than 200 households, effectively solving the daily electricity consumption of villagers and schools of the two village committees.
Photovoltaic power plants are devices that use electropositive energy to directly generate electricity. They use solar panels to convert solar energy into low-voltage direct currents of 3-6 volts, which are then stored by batteries. Finally, the inverter converts low-voltage power to 220 volts or 380 volts. The volt AC voltage is supplied to the user through the grid. Photovoltaic electricity is a new type of solar energy utilization power station, which is characterized by convenient maintenance, low cost, energy saving, environmental protection, and no pollution. Currently, it is widely used in the world.
At present, there are 4 photovoltaic power stations built in Dongshan, Dongfeng, Taoyuan and other townships in Yongsheng County, which generate more than 50,000 kWh of electricity each year, effectively solving the problem of production and use of electricity in some mountainous people.
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A typical version of an overhead garage door used in the past would have been built as a one-piece panel.The panel was mounted on each side with unequal parallelogram style hinge lifting mechanism. Newer versions of overhead garage doors are now generally built from several panels hinged together that roll along a system of tracks guided by rollers. The door is balanced by either a torsion spring system or a pair of extension springs.A remote controlled motorized mechanism for opening garage doors adds convenience, safety, and security
• Aluminum garage doors are low-cost, light, rust-proof, and feature low-maintenance. They are prone to denting because aluminum is not strong and they are energy-inefficient since aluminum is a highly conductivematerial.
• Fiberglass and vinyl garage doors are composite units, combining a steel core behind a fiberglass or vinyl skin. They have also polyurethane insulated base sections, or other type of foam insulation. These premium doors can match steel garage doors, and be a realistic imitation of wood (namely fiberglass units), but they may be more expensive than steel units.
• Steel doors have become common and are available in a variety of sizes and styles, provide strength and security, are cost-competitive, and may have optional insulating value. Extra strength is available with two or three layers of galvanized steel with a low gauge number (23-24 gauge steel panels).
• Wood garage doors offer aesthetic appeal, but they are high-maintenance and may be expensive. Low-priced wood garage doors may warp and break easily.
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