LED lighting help Beijing subway save several hundred million dollars per year

More and more high-tech metro network operators, but relying on a small alarm clock to save a lot of money each year. Yesterday, the Beijing subway Secret energy saving tips. Electricity accounted for 80% of total energy consumption metro. Beijing subway company developed a lighting, air conditioning, advertising, trains 33 energy-saving measures, the annual saving of about one hundred million degrees. Various saving measures to help the province several hundred million dollars in the subway.

Subway travel underground, have a large number of lighting needs. Beijing Subway Batong company jurisdiction, line 13, Fangshan lines after day or night, sunny or cloudy, light cars are always open. After evaluating the Corporation estimated that under natural light conditions during the day and closed passenger compartment lighting, emergency lighting, retaining only the car, will not reduce passenger comfort, so landline begin daily from 10 to 15 in the closed passenger compartment lighting requirements to save energy . In addition, LED lighting retrofit, subway cars also gradually promote green lighting.

There are some energy-saving methods known. For example, after the peak of the transportation, the subway to manual driving, the vehicle will use the inertia brake, reducing power consumption, according to estimates, traction energy consumption reduced by 10%.