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On the solar energy conversion

Edit:Wenzhou Xihe Electric Co.,Ltd   Date:Jan 19, 2015

The primary function of the inverter is the input DC voltage is converted to a stable value. This function is achieved through the boost converter and the boost switch and boost diode needs. Following on from the solar inverter under small series to tell you about the conversion of solar energy:

In the first configuration, after the boost stage is an isolated full-bridge converter. The role is to provide full-bridge transformer isolation. The second full-bridge converter output is used from the first full-bridge DC converter stage DC into alternating current (AC). Is filtered, the purpose is to provide a safe isolation and isolated power supply grid at night and again before its output is connected to the AC grid network via an additional double contact relay switch in the event of a failure.

The second structure is non-isolated solutions. Wherein, DC voltage of AC voltage output from the boost stage directly.

The third structure using innovative topology power switch and power diode, and AC to boost production section of functional integration in a special topology.

While the conversion efficiency of solar panels is very low, so that the efficiency of the inverter as close to 100% is very important. In Germany, mounted on a south-facing roof of 3kW series module with an estimated annual generation 2550 kWh. If the inverter efficiency from 95% to 96% more than a year will be able to generate electricity 25kWh. The use of additional solar module generates this 25kWh costs associated with increased quite an inverter. Because efficiency from 95% to 96% so that the inverter will not double the cost, so the more efficient inverter investment is the inevitable choice. Emerging designs in the most cost-effective way to improve the efficiency of the inverter is a critical design criteria.


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Wenzhou Xihe Electric Co.,ltd ( The former: Beijing FANGPU SUNNYCO.LTD) is specialized in development, product, sales and services of Solar Controller, inverter system, etc in a body of professional company.

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