The composition and characteristics of scenery complementary street lamp

Scenery complementary street light the composition and characteristics of wind power is a more conducive to the development and utilization of renewable energy, but it is a source of process performance, only can be stored into other forms. Randomness of wind power supply, therefore, the use of wind energy storage must be considered or, in conjunction with other energy sources to stability of energy supply. Wind and solar power has great complementarity, combining solar and wind energy, the development of scenery complementary lamps and lanterns, solar and wind energy can make up for their deficiencies. Scenery complementary solar street lamp is mainly composed of light pole, lamp holder ( Including the light source) , solar modules, wind turbines, batteries, controller, cornering tail rudder, solid of revolution, and the connection wire parts, such as system power supply part consists of solar cell phalanx, wind turbines, controller, battery components. Scenery complementary street lamp takes note of the advantage of both wind power and solar power generation, according to the different climate environment configuration models of wind turbines, in limited conditions in order to achieve a wind energy into a purpose, to provide stable power supply for city street lamps. The common scenery complementary lamps on the market at home and abroad is mainly used for two kinds of situations. One is far away from the grid or for laying cable in household use. Scenery complementary lamps and lanterns in China's Inner Mongolia region has been herding families generally use. State subsidies for this kind of green environmental protection power supply system to the dry and support, have a big improve herdsmen's living standards. However, due to the use of regional climate conditions. Windy weather when acting on the energy of wind turbines is big. Often make rotor speed or cause damage to the system as a whole. In this case, the rope is used to make the tail rudder cornering, make the fan impeller rotating plane and the wind to form a certain Angle. Avoid to absorb wind energy, reduce the destruction of the rotor system. The second is used for road lighting. In most of these lamps and lanterns on the unloading resistance on single brake braking, when the wind is too large, in the three-phase alternator output terminal access unloading resistance, also some use output circuit, to reduce the wind wheel rotation speed to control the speed, such as the passive braking effect is not stable, controller or unloading once appear, fault resistance, difficult to achieve the brake. Scenery complementary solar street light on problems and countermeasures of scenery complementary street lamp can according to the characteristics of the wind and solar power, implementation of the two kinds of the comprehensive utilization of renewable energy, wind and solar resources in plenty, no ready-made power lines zone has popularization and application value. At the same time, because of photovoltaic modules prices fell sharply, the scenery complementary solar street light has better economical efficiency and application prospect. Widespread running effect in practical application, however, the problem of poor, there are two main reasons. On the one hand, project feasibility study is not enough, the scene of the inadequate natural resources; Form a complete set of equipment, on the other hand, the product quality is uneven, especially the vertical axis wind turbine product performance is poorer. To this, in the actual application scenery complementary street light, the first thing to strengthen the project feasibility study, reduce the blindness and one-sidedness, solar and wind energy resources must meet the requirements, to ensure that the planning and implementation plan of action. Second, choose wind speed high open area, as far as possible, the scheme of off-grid type by saving cost and improve the economic benefit of the system. In downtown of skyscrapers, and inappropriate use of scenery complementary street lamps. Third, preferable traditional horizontal axis wind turbines, choose three blade type wind area, weak wind area chooses five blade model. The vertical axis wind turbine performance and product quality is poorer, still need to increase investment in research and development, to strengthen market supervision, to ensure product quality. , the price of the micro wind turbines is about twice of the same nominal power photovoltaic components, even in average wind speed is 6 m/s wind region, both the power generating capacity, show that micro wind generators integrated power generation cost is far higher than that of photovoltaic, solar solar street light is a more reasonable choice, also is the future trend of development. In general, scenery complementary street lamp to achieve large-scale popularization, still need to increase investment in research and development, improve product quality and strengthen market supervision, establish and improve the system of third party certification.
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