[Text / high-tech LED Zhao Hui] LED drive power plays an increasingly important role in the rapid promotion and popularization of LED lighting. According to the survey data of the High-tech Research Institute LED Research Institute (GGII), the scale of LED indoor general lighting power supply will reach 14.59 billion yuan in 2015, a year-on-year increase of 39.2%.
Compared with outdoor power supply, indoor power supply has a lower technical threshold, but its quality has an absolute impact on indoor lighting. Wang Caixiang, general manager of Kegu Power, said that in the era of LED lighting, the driving power supply is comparable to the big heart.
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In the recent 2015 Golden Globe Awards, Kegu Power won the Indoor Power Golden Globe Award for its single-stage high power factor high efficiency LLC resonant drive power. Igor and Leifford were also shortlisted for the award. .
It is understood that the driving power supply uses a simple passive PFC power, which is lower than the single-stage PFC power supply THD, and can achieve PF>0.95 and THD<10%. The use of two triodes as a half-bridge circuit achieves high efficiency (up to 91% efficiency) and low ripple (ripple <±7%); it has a unique EMC anti-jamming circuit connection, which is more compact than a two-stage circuit power circuit. The cost is lower. “The overall technical level and performance indicators of this product are in a relatively leading position.†Li Chengyu, director of Kegu Power Marketing, said.
In fact, as the market matures, consumers have gradually increased their focus on prices and focused on product quality and light quality. In 2014, LED driver power supply was officially included in the scope of 3C compulsory certification, and the implementation of mandatory 3C certification in the country will undoubtedly promote the development of the entire industry in a more benign direction. This also gives better development opportunities for Kegu Power, which focuses on product quality and innovation.
In the third quarter of 2015, the price of China's LED outdoor lighting driver power supply market dropped by 25% compared with the same period of last year, while the price of the power supply market in the fourth quarter will further decline. The decline will exceed 30%.
In Wang Caixiang's view, the products that can really subvert the industry at this stage are not so easy to produce, and more are to make the products with a large quantity to the extreme.
“Continue to work hard on performance and price.†Wang Caixiang believes that it is a trend to grasp the demand for end consumption and to strengthen the price/performance ratio of the demand.
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