Solar Lights Brighten Up Villages After the Storm

After the heavy rain, the solar lights in villages in Beijing become the only lighting. In the past people usually take the lights for granted, and there is no difference between ordinary street light and solar street light, but it shows a difference in a disaster.

When it comes to photovoltaic power generation, people tend to think of a huge solar battery matrix. In fact, solar power systems, stand-alone power generation applications are more and more in people's lives. This in Beijing, play an important role in the solar street lighting system, completely independent of the urban grid, solar modules convert light directly converted into electrical energy, the excess electricity is stored in the battery, and then released to be cloudy.

According to Yingli Group engineers Feng Chin Ho, independent system like the solar street light, no electricity, of electricity or voltage instability region application surface is much wider. Household solar power systems to provide household electricity for farmers and herdsmen in remote areas; drip irrigation DC photovoltaic driven water pump to solve the irrigation problems of the drought of electricity; tunnels, mountains and other special geographical communication base stations, earthquake monitoring, oceanographic information extraction equipment, you can see the shadow of the stand-alone photovoltaic power generation system. At present, photovoltaic independent power systems applications has dozens as much.

　　

Special weather and natural disasters, the unique advantages of this photovoltaic become realized. As the various components of a relatively closed, and mostly conducted in the production test of resistance to strong winds, heavy rain, earthquake, snow pressure and other extreme weather events, in the face of disaster, photovoltaic independent power are often able to safely, when the traditional power system unable to supply solar power equipment can quickly restore power supply, a life-saving energy. Characteristics of this power generation system has to be used with that, feel free to move in disaster emergency response be to gradually extend. Earthquake disaster in Wenchuan, Yushu, it is a solar independent power systems, and bring a light source for the disaster area, the phone communication is restored the computer to resume work.　　

Energy storage, the cost of such a system, the generating capacity is relatively small, and relatively low energy density. According to this characteristic, the experts believe that the grid more developed urban grid technology is simple, low cost, high efficiency, large-scale use of solar independent power generation system is not appropriate, but the bus schedule light, traffic lights and other electricity demand small urban public facilities, or can be applied. It seems that this new energy generating system must select the right arena is not difficult. Independent solar power generation systems greater role in the vast rural areas. Rural universal voltage is not stable in many remote areas in China. Power shortage is common in these area. However these areas are abundant in solar energy resources. Therefore solar lamps and street lights are suitable in these areas.