Small solar system

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Solar power system consists of solar battery, solar controller, battery (group). Such as the output power for ac 220 v or 110 v, also need to configure the inverter. The role of each part as follows: (1) solar panel: solar panel is the core part of solar power generation system, also is the most valuable part of the solar system. Its role is to convert the sun's radiation ability of electrical energy, or sent to stored in batteries, or promote work load. (2) solar controller: solar controller is used to control the working state of the whole system, and battery over charging protection, over discharge protection role. Where the temperature difference is bigger, qualified controller should also have the function of temperature compensation. Other additional functions such as light-operated switch, switch should be when the controller is optional; (3) battery: general for lead-acid batteries, small miniature system, also can use nimh batteries, nickel cadmium battery or lithium battery. Its role is solar electric panels under illumination of electricity, to release when needed. (4) inverter, solar direct output is usually 12 VDC, 24 VDC, 48 VDC. To provide electricity to 220 vac electrical appliances, you need to solar power generation system of direct current (DC) can be converted into AC power, so you need to use DC - AC inverter. Solar power system design factors to consider: 1, where is the use of solar power system? How is the area solar radiation? 2, the system load power? How much is 3, the system output voltage, dc or ac? 4, the system need to work how many hours a day? Wet weather in 5, if there is no sunlight, continuous power supply system need to how many days? 6, load, pure resistive, capacitive or inductive, starting current how old? 7, the number of system requirements


Divided into solar-thermal power generation and photovoltaic solar power. Usually said solar power refers to the solar photovoltaic power generation, hereinafter referred to as \"pv\". The light of the photovoltaic power generation is to use semiconductor interface will be born v effect in a technology light energy directly into electrical energy. The technology key element is the solar cell. Solar cells after a series of packaging protection can form a large area of solar cell components, combined with power controller and other components are formed on the photovoltaic device.

In theory, photovoltaic power generation technology can be used for any occasions that we need the power supply to the spacecraft, down to the household power, big to megawatt power plant, small to toys, photovoltaic power everywhere. Photovoltaic solar cells is the most basic components (film), monocrystalline silicon, polycrystalline silicon, amorphous silicon and thin film batteries, etc. Among them, the single crystal and polycrystalline battery dosage the biggest, amorphous cell used in some small system and computer aided power supply, etc. Chinese domestic efficiency of crystalline silicon cells in 10 to 13%, the efficiency of the like product on international about 12 to 14%. Composed of one or more of the solar cells, solar panels, called the photovoltaic modules.

Solar power system consists of solar battery, solar controller, battery (group). Such as the output power for ac 220 v or 110 v, also need to configure the inverter. The role of each part as follows:

(a) solar panel: solar panel is the core part of solar power generation system, is also a valuable part of the solar system. Its role is to convert the sun's radiation ability of electrical energy, or sent to stored in batteries, or promote work load. Quality and cost of solar panels will directly determine the quality and cost of the whole system.

(2) solar controller: solar controller is used to control the working state of the whole system, and battery over charging protection, over discharge protection role. Where the temperature difference is bigger, qualified controller should also have the function of temperature compensation. Other additional functions such as light-operated switch, switch should be the option of the controller.

(3) battery: general for lead-acid batteries, small miniature system, also can use nimh batteries, nickel cadmium battery or lithium battery. Its effect is when a light will be made by electricity, solar panels to released when needed.

(4) inverter, on many occasions, all need to provide 220 v AC, 110 v AC AC power. Due to the direct output of solar are generally DC 12 v, 24 v DC, 48 v DC. To provide electricity to 220 v AC electrical appliances, needs to be given out by the solar power system DC can be converted into AC power, so you need to use DC - AC inverter. In some cases, it is necessary to use a variety of voltage of the load, also want to use DC - DC inverter, such as the 24 v DC power into 5 v DC power (note that is not a simple decompression).







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Q:Home solar heating products can not mature?
Solar panel power generation, then the proposed size of the proposed group, mainly the power substation and storage of electrical equipment is very expensive, the highest conversion rate in the 17%-20% efficiency is very low, not as good as plant photosynthesisNow the national clean energy, photovoltaic power generation policy is more than 10kW can be free of charge, but the price of electricity recovery is very low, cumbersome procedures.Buy solar water heaters, the first proposal to consider the local climate, installation conditions, economic prices and durability
Q:What are the disadvantages of traditional solar water heater
We now have a factory in Wuxi, the production of solar water heaters, the core components - superconducting heat pipe, so that the product in place. Heat pipe is a vacuum glass tube inside, no leakage, no water absorption of solar heat, but the use of dark metal materials such as heat transfer, heat transfer efficiency is high temperature superconducting material.
Q:What are the functions of the new vehicle negative ion solar charging humidifier?
Brown vehicle negative ion solar charging humidifier, in addition to negative ions and solar charging function, but also can be used as car fragrance, you can add essential oils.
Q:How to open solar stores
The solar industry is not mature, thousands of manufacturers, the winter "evaporation" summer prosperous seasonal manufacturers to consumers without security, therefore, with the help of the selected brand manufacturers force, forming and other brand segmentation is very important. In store layout, arranged according to the national unified you have chosen is specified by the manufacturer of the store template, establish the standard image of the store, which is beneficial to the consumers of your store "authentic" recognition, to "store security", according to the promotion plan provided by the manufacturer, with you in the local the promotional ideas store promotional site layout. Outside the store hanging promotional banners, the store posted eye-catching promotional posters, shopping guide to wear uniform clothing to consumers with a good visual image. Unified image of the terminal to do a good job, consumers will think that the product is reliable. Through training, so that the target customers to keep the root". Most of the customers entering the store is the target customers, to retain this part of the customer, to work hard on the training. In the terminal market, direct contact with the customer's shopping guide, shopping guide thrust plays a decisive role to a certain extent, in the solar energy marketing, customer and sales information is asymmetric, the customer can ask the seller about the solar energy many knowledge, if the sales sales ability is not strong enough, for the customer asked miss some of the main selling point, will sell in a passive state, natural products are unable to reach a deal, the good selling performance does not come out, it will be the loss of a large number of customers
Q:Buy solar water heater mainly look at what?
Such a water tank, not only poor quality, but also may cause damage to the health of consumers with bacteria. Third, insulation layer. The quality and thickness of the insulation layer determine the insulation effect of the water heater. Now on the market most of the solar water heater using polyurethane foam insulation technology, but also the polyurethane material, but also the overall high pressure foam and low pressure foam. Large enterprises using the overall high-pressure foam to ensure the pressure and fullness of foam, a lot of small manufacturers of low pressure foam will be part of the insulation layer of the phenomenon of incomplete.
Q:How to make solar energy?
Do experiment. We put the foil affixed to the box, to reflect sunlight. Then put the metal bottle full of water in the box and secure it with a plastic foam.
Q:How to do a good job of solar water heater marketing?
Two, energy saving (cost savings): the impact of solar water heater life components. About the use of solar water heaters for heating homes, can save daily for heating water electricity, gas costs 90%, can reduce household expenses, to the society, can reduce our province limited energy resources consumption, the energy and ancillary facilities for agricultural and industrial production, have greater social benefits.
Q:How to choose a good use of solar energy
See building structureMulti story building: installation is not limited, vacuum tube solar energy and flat panel solar energy products can be selected. Senior and small high-level: balcony solar energy products can choose. Villa Construction: can choose to install flexible, can be integrated with the construction of flat panel solar energy, flat panel solar energy is not affected by high-rise and special buildings, beautiful and generous.See pipeBecause the water heater is often placed on the roof, there is a certain pressure and the house in the summer, hot water with high temperature (about 90 DEG C), the actual situation of low ambient temperature, so the best selection of crosslinking tube or plastic composite pipe or reinforced plastic hose. The utility model has the advantages of high pressure resistance, high temperature resistance, low temperature resistance, no toxicity, no odor, small heat capacity, small heat loss, and easy to freeze in winter.After-sale serviceThe best choice of well-known brands and the strength of dealers (longer distribution time, product quality complaints rate) of the water heater. Because the solar water heater is durable consumer goods, and usually installed in the roof, once the fault, it is difficult to deal with their own. So the customer service service must be guaranteed, at present, the whole market free warranty period of 3 - 5 years.
Q:What is the future of solar power
The roof of photovoltaic power generation is less than 2 million monthly sales tax, in accordance with the provisions of the national taxation policy, power users need to provide sales invoices to the power supply enterprise, the buyer also need invoice offset the cost, and the personal power does not have the qualification of business owners, led by invoices complicated procedures. More than 20 thousand of the tax can not get the invoice, it increases the difficulty of the sales of power generation households, is not conducive to promotion. The State Administration of Taxation issued, will reduce the tax burden on household electricity." According to the State Administration of taxation documents, since July 1, 2014, the national Power Grid Corp to buy power products distributed photovoltaic power generation project, by the national Power Grid Corp invoices, monthly household electricity generating sales of more than 20 thousand products, owned by the national grid enterprises in accordance with the taxable amount of the 50% generation of vat. The monthly sales of less than 20 thousand yuan may be exempt from vat. According to the State Administration of taxation policy released last year, from October 1, 2013 to December 2015 3l, according to the 3% levy rate calculation. In Takamatsu as an example, if a month sales of 30 thousand, that he should pay the tax is 30 thousand x 3% x 50%=450 yuan.
Q:30MW solar thermal power plant total investment
At present, there are three kinds of solar cells, such as monocrystalline silicon, polycrystalline silicon and amorphous silicon. Monocrystalline silicon solar cell conversion efficiency of up to 20%, but the price

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