LED lighting develope into a vicious competition, no country Peugeot
Date:2011-05-26 16:29
Status:Close
Question:admin
m lamp brightness; 250-watt high pressure sodium lamps every 3 hours using 1 kWh of electricity, while the 100-watt LED lamps every 10 hours of electricity consumption of 1.
City public street lighting by 1000, each lamp is lit 10 hours a day, 1 per computation price: 250-watt high pressure sodium lamp electricity up to 3,500 yuan per day, annual electricity up to 127 million yuan. 100-watt energy-saving LED street lamps every 2,400 degrees a year, 87 million yuan to save electricity, energ
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