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is it worth it to install solar panels?
- Solar is mroe expensive than just about every other form of generation for a centralized plant, but can still be cost-effective for a consumer living in the right place. This is because while a coal-fired plant may produce electricity for 2-3 cents per kWh, by the time it's marked up to retail, distributed, and taxed to get to a residence, it may be 5 cents per kWh - a figure which solar can match in many places.s
What is the meaning of a cleaning in a semiconductor silicon wafer process? RCA?
- RCA cleaning is to use the RCA method to clean.RCA is a typical and commonly used wet chemical cleaning method:s
What are the advantages of solar led street light?
- Dispersion: reach the Earth's surface of the total amount of solar radiation despite the large, but the energy density is very low. On average, near the Tropic of Cancer, in the case of sunny weather in summer, the irradiance of solar radiation at noon is the largest, and the average solar energy received in the area of 1 square meter perpendicular to the sun is about 1,000W. Year and night average, only about 200W.s
best value solar pv panel ?
- Solar okorder.com/s
I would like to ask the solar cell (silicon) production process is the principle of how
- Silicon wafer detectionSilicon wafer is the carrier of solar cell, the quality of silicon wafer directly determines the conversion efficiency of solar cell. This procedure is mainly used to measure the technical parameters of silicon wafer on line. These parameters mainly include the surface roughness of the silicon wafer, the lifetime of the minority, the resistivity, the P/N type and the micro crack. The device is divided into four parts: automatic loading and unloading, silicon wafer transmission, system integration part and. The silicon photovoltaic detector on the silicon wafer surface roughness were detected, and the size and appearance of diagonal parameter detection chip; micro crack detection module is used to detect silicon micro cracks; another two detecting module, one online test module to test wafer resistivity and wafer type, another module for lifetime test wafer. The detection of the diagonal and micro cracks of the silicon wafer is needed before the sub lifetime and resistivity measurement. Wafer inspection equipment can automatic loading and unloading, and substandard products in a fixed position, so as to improve the detection accuracy and efficiency.s
How to detect the surface finish of photovoltaic silicon wafers, what equipment?
- Physical examination of the surface roughness on the line, whether it can be cleaned with chemical or opticals
Solar panel connectionI
- The answer is that the two panels should be put in parallel. The voltage out will drop to the voltage of the lower panel, but you should get most of the power, if the panels aren't too badly mismatched. I would try to get a multimeter and try to measure the actual current coming out of the panels in full sun. Sometimes the specifications on these smaller panels are very optimistic. If the whole setup is putting out less than 2 amps, I'd say wire the whole thing straight to the battery - little chance of boiling the electrolyte at those currents.s
What are the raw materials of silicon wafers
- Transistor (transistor) is a kind of solid state semiconductor device, which has many functions such as detection, rectification, amplification, switching, voltage regulation, signal modulation and so on.s
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