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Rooftop solar system
- Solar power generation, per square meter of power generation in 120W or so, the cost per square meter in 1500 yuan, the greater the area the lower the prices
What are the advantages and disadvantages of small-scale solar power generation system?
- Solar power has no moving parts, is not easy to damage, simple maintenance, especially suitable for unattended use; solar power will not produce any waste, no pollution, noise pollution, no adverse effects on the environment, is the ideal clean energy; solar power system short construction period, convenient and flexible, and can according to the load or, add or reduce photovoltaic capacity, avoid waste.s
Household solar photovoltaic power generation system connected to the grid, how much money?
- Sold to the power supply bureau 0.45 yuan once, the state subsidy fee of $0.42, a year issued 3000 kwh.s
Solar power generation system installation which precautions, ah, there is a need for special attention
- 7, the battery terminal to be strong (10 million can not be short circuit) to pay attention to the polarity of installation, to avoid the explosion and fire. 8, the controller has the corresponding distribution protection measures. But the wiring process should also pay attention to prevent polarity reverse, short circuit, etc.. Avoid unnecessary trouble. Pay attention to the angle of placing and avoid the rain. 9, with inverter system, inverter connected to be connected to the battery positive and negative poles. 10, the construction site must be open, in the installation of solar cells can not be tall buildings or other things blocking the sun. 11, the controller needs to choose low loss, good stability, long life controller. When the installation is clear that the controller is a common negative or common cathode design, so that the entire system connection, installation help.s
What are the devices needed for PV systems?
- Inverter. The utility model is a device for converting the direct current of the solar cell square and the storage battery to the alternating current, which is the key component of the photovoltaic grid connected power generation system. Since the solar cells and batteries are DC power supply, when the load is AC load, the inverter is essential. The inverter can be divided into independent operation inverter and grid connected inverter. The independent operation of the inverter is used for the independent operation of the solar cell power generation system, for independent load power supply. Grid connected inverter for grid connected solar power generation system, this paper introduces the photovoltaic grid connected generation system . As shown in Figure 1, the grid connected inverter by IGBT power switching devices, control circuit of the switching element is regular continuous open or off, so that the output voltage polarity alternating, DC input into AC output. The inverter can be divided into square wave inverter and sine wave inverter according to the output wave type. The square wave inverter has the advantages of simple circuit, low cost, large harmonic component, and the utility model can be used for a system with a few hundred watts and a low harmonic requirement. Sine wave inverter is expensive, but can be applied to various loads.s
What is the system voltage of solar panels
- System voltage refers to the number of solar panels composed of a solar power generation system, the maximum DC voltage of the power system.s
Solar power generation system suitable for home, how much is the cost of a set?
- Solar photovoltaic power generation is suitable for families but to look at your location and sunshine time, before the country without a policy or honest with general electric, energy saving is a national matter we the people pay so without savings
How about the price of solar power generation system
- Photovoltaic power generation system can not buy cheap, cheap product quality is not good to use expensive. Photovoltaic power generation system can be used to invest in financial products, general household photovoltaic system 7~9 can recover the cost of power system can be used for more than 25 years, 25 years after the power attenuation of about 20%, if the poor quality of the products are generally 2~3 years can be reduced by 20% and must keep their eyes open several more formal manufacturers so when buying light V system, quality quality assurance production factory.s
the best solar panel distributors in china
- China has a lot of solar panel distributors, but we must be one of the best.Let the panel distributors to introduce our products. product introduction of solar panel distributors: ...
The composition of solar panel manufacturing system
- Solar panel manufacturing generation system consists of solar cells, solar controller, battery (Group). Such as the output power for the exchange of 220V or 110V, also need to conf...
There are many kinds of solar power products
- There are many kinds of solar power products, below I will introduce some products in our common life.solar power products---Solar panels The sun shines on the semiconductor p-n ju...
Living Off the Sun
- Powering their home by solar energy has became very attractive option for people, probably becoming independent or partially so from their nation grid electricity supplier the bigg...
you must know these if you want to build a solar panel
- Do you want clean renewable energy for free? Do you want to cut your monthly bill? Try making your own solar panels! Make your own solar cell plate, can save considerable commercia...