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What is Solar Power System?
All solar power systems work on the same basic principles. Solar panels first use the photovoltaic (PV) effect to convert solar energy or sunlight into direct current electricity. Direct current can then be stored in batteries or converted to alternating current through solar inverters to run household appliances. Depending on the type of system, excess solar energy can be fed into the grid to earn credits or stored in a variety of different battery storage systems.
What is the Cost of Solar Panels?
Its easier for solar panels system to be used to charge electric car batteries while its parked in your garage, and/or to run the electric car directly instead of connected to the power grid for synchronization (grid tie solar system). The solar system can be used not for only the car, but for train, bus and tram, and its highly expected that such electric vehicle will be one of the most preferred transport method in the coming few years, it will be widely used in homes and business. And the price of solar panels is also very cheap, almost every household can use it.
What is Solar Cell?
The silicon atom has fourteen electrons, 2 of them are in the first shell, 8 of them are in the second shell, and remaining 4 are in the outer shell, so the 2 first shells are completely full, and outer shell has just 4 electrons. This atom is always looking for a way to full its outer shell to 8 electrons, and this the wonder of physics science. In order for the silicon atom to do so, it shares 4 electrons with other 4 nearby silicon atoms and create crystalline silicon. This pure crystalline silicon is electrically poor in conductivity, because there no longer be free electrons to move, that makes the solar scientist to add impurities in a form of other atoms of boron and phosphorous to solve this issue and to create free electrons with the ability to move.
What is the History of Solar Energy System?
The first solar collector was made in 1767 by scientist called De Saussure, it was like solar oven, afterwards, a scientist called Antoine Lavosier discovered the photo-voltaic phenomena of silicon material, in which "photo"means the light, and "voltaic"means the electricity, and that was the first start of modern solar energy which already conducted in the year 1839. And in the year 1990, we start to see many solar energy materials discovers, like copper, cadmium and others. Nowadays, the world solar panel production reached up to approximately 40MW or more per year, and the typical solar panel efficiency is approx. 16%. At the end, we still confirm that it will be promising and excited future for solar power industry.
What is the Solar Module?
The solar module is the basic block of building our solar photovoltaic system, we connect the solar cell together same like batteries bank system, we mean in series, and for more clarification, we connect the positive terminal of one solar cell to the negative terminal of the second solar cell, and so on, in that way the voltage and power of all solar cells will add to each other, and at the end, we got the module with a standard output voltage and power. For example, the solar cell output voltage is approx. 0.5V, so if we connect 300 solar cell in series, the module standard output voltage would be 0.5 x 300 = 150Volt.
What are the Advantages of Micro Inverter?
The inverter plays an important role in the photovoltaic grid-connected system design. It can convert the solar energy into DC energy and then invert it to the single-phase AC energy that can be applied by various devices. The micro inverter technology means the technology of directly connecting inverter with single PV module. Each PV module can be equipped with an inverter that can realize AC-DC conversion and can track the maximum power point. It can directly convert the power generated by PV module into the AC energy so that it can realize AC load purpose or it can be transmitted to the power grid.
What is Inverter Efficiency?
This inverter efficiency value depends on inverter load power capacity variation, as the efficiency increases and may reach to its max value at higher load power capacity in compare to lower loading power capacity, and in condition that not going above inverter output power capacity limit. Generally, below 15% inverter loading, the efficiency will be quite low. Consequently, good matching between inverter capacity and its load capacity will enable us harvest larger efficiency, which means larger inverter ac output power for the same dc input power.