High Pressure Sodium Lamp 250W LED Light 110W Luminous Efficacy 120Lm/W 90Lm/W Total Luminous Flux 30000Lm 9900Lm Luminaire Efficiency 65% 90% Actual Luminous Flux from Light 19500Lm 8910Lm Road Average Illuminance (600 m² ) 32.5Lux 14.85Lux CRI Ra<30 Ra>90 Modified …
Recently, the State Council of the People’s Republic of China issued a notice on the ” ‘thirteen five” national strategic emerging industry development plan “. It points out that the strategic emerging industries are on behalf of a new round …
In recent years, the solar wind hybrid lighting system gradually becomes a trend in urban construction and road construction projects, which embodies the concept of green energy. It is also more and more accepted and respected. Compared with the traditional …
From 4000 years ago, the ancient Babylonians established the first windmill in human history. In the late 19th century, the Scottish built the world’s first power generation with wind turbine, and then in the 20th century, 1980’s, large wind power …
Since 2012 the Chinese government issued the ” ‘Twelve five’ national strategic emerging industry development plan “, to December 2016 introduced “‘Thirteen Five’ national strategic emerging industry development plan”, China’s new materials industry achieve great development in recent years. Especially …
Characteristics of wind power generation Wind power in China started in the late 50s of last century. In the early stages of development, it was used to solve problems of island and rural household electricity consumption. The focus of the …