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Solar Panel Help? Beginners?
- The okorder.com/... All the other sites you google/yahoo for will be advertisements. I think the author of this one was a engineering student. Hope this helps!s
What is the difference between a solar vacuum tube and a superconducting vacuum tube
- Cold water absorbs solar energy to heat water.In order to improve the efficiency of water absorbing solar energy.s
The metal in the silicon wafer
- The properties of silicon have excellent electrical properties. The band gap is moderate, and is 1.21 ev. Higher carrier mobility, the electron mobility is 1350 cm / sec / V /, hole mobility is 480 cm / sec / v. The resistivity at room temperature (300K) up to 2.3 x 10 - Europe - cm wide, doped resistivity can be controlled in 10 - to 10 - Europe - cm, can meet the needs of manufacturing various devices. The minority carrier lifetime of the single crystal silicon is longer than that in a few tens of microseconds to 1 milliseconds. Larger thermal conductivity. The chemical property is stable, and is easy to form a stable thermal oxidation film. It can be used to realize the surface passivation and protection of the PN junction in the fabrication of planar silicon devices, and the metal oxide semiconductor structure can be formed to produce MOS field effect transistors and integrated circuits. The properties of the PN junction has good characteristics, so that the silicon device has the advantages of high pressure, the reverse leakage current, high efficiency, long service life, good reliability, good heat conduction, and in the 200 - high temperature operation etc..s
What are the requirements of domestic solar water heater
- Installation position of solar water heater:(1) the water heater is usually installed on the roof of the building. When it is used in summer, the angle between the heat collecting plate and the ground should be less than about 10 degrees.(2) collector installation direction, to receive the best plate towards the south, such as the actual installation conditions are difficult, but also can be installed 15 degrees east or west.s
What is the difference between solar vacuum tube, heat pipe and U pipe
- It is called a U tube, and a heat pipe is used as the heat transfer elements
How to clean the old solar water heater
- Vacuum glass tube of the solar water heater in the removal, first need to put the dust ring close to the water tank (O type rubber ring) can move down, before moving slightly with some water, it is easier to move down the dust ring, and then hold the vacuum tube clockwise to forces
What are some of the silicon wafer factory
- The following is a silicon production company series positions distribution table, you can refer to the 1 equipment management department manager deputy manager of electrical equipment equipment maintenance engineer mechanical equipment maintenance Engineer Association and insurance technician equipment management maintenance team leader electric operation monitor operation duty electrician maintenance electrician maintenance mechanic subtotals
how do solar panels work?
- Solar panels are made of a series of solar cells.solar cells are an electical device that convert sun energy directly into electicity by the photovoltaic effect,which is an physic and chemical phenomenon.solar cells are made of special materials called semiconductors such as silicon,which is currently used most commonly.Basically, when light strikes the cell, a certain portion of it is absorbed within the semiconductor material.This means that the energy of the absorbed light is transferred to the semiconductor. The energy knocks electrons loose, allowing them to flow freely.This flow of electrons is a current, this current, together with the cell's voltage (which is a result of its built-in electric field or fields), defines the power (or wattage) that the solar cell can produce.s
How much to spend on biogas plant cost
- Biogas utilization has many benefits such as economy, society, ecology and so on. Among them, some can be used to measure the value of money, some difficult to monetary; some can b...
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: ...
Material classification of chinese solar panels
- Chinese solar panels are a device for converting solar radiation into electrical energy by absorbing sunlight, or by direct or indirect effects of the photoelectric effect. The mai...
Multiple Faces of Solar Cells
- When most people think of solar energy most likely they think of the ubiquitous black panels that have appeared mounted on the roofs of many dwellings and commercial buildings in u...
the development of future development of cheap solar power in China
- According to China's cheap solar resource-rich degree of classification standards.Zhejiang province is the solar energy resource area III.The total annual solar radiation is ab...