2015年6月27日星期六

Future development trend of solar inverters

Solar AC power generation system consists of solar cell panels, charge controllers, inverters and batteries composed; Solar solar inverter DC power inverter system are not included. The inverter is a power conversion apparatus according to incentives inverter can be divided into self-excited oscillation inverter and he excited oscillation electric inverters. The main function is to reverse into a DC battery AC. By full-bridge circuit, generally use the SPWM processor through modulation, filtering, boost, etc., to obtain the lighting load frequency, rated voltage sinusoidal AC matches for system end users. With the inverter, you can use a DC battery to provide AC electrical appliances.
First half of 2011, market development of solar inverter as expected, but showed sluggish situation. Suggesting the possible for two reasons: first, in 2010 Q2 to Q3 market demand, so that a large number of repeat customers orders, which led to excessive production of 1000w with charger inverter main reason, but also the start of the fourth quarter of 2010, the solar inverter the stock continues to climb. To the first half of 2011, distributors are still trying to clear the 2010 inventory dilemma. Second, the cost of solar energy subsidies continue to reduce the major European markets, resulting in a substantial decline in end-market demand, but also to relative demand for solar inverter greatly reduced.

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