Introduction to LED street lamps and other street lamps lighting power and control methods

2020-10-08

Early designs paid more attention to the pursuit of low cost. In the near future, consensus has gradually formed that high efficiency and high reliability are the most important.

For example, the electrical equipment capacity of the high pole light pole is 35.4kW, and the lighting power capacity is 66 kW. The power load of the reserved light pole advertising light box, public service advertising box, bus station, traffic signal light, etc. is 161.6kW. The calculated load of the section of electricity is 263kW.

According to the requirements of the design specifications and the layout plan of special box transformers for street lamp pole engineering lighting in Wuxiang New District, three box-type substations are set up to supply power to the street lamps. The transformer capacity is 125kVA. The box-type transformer substation is connected to the 10kV line on the nearby road. (Or negotiated by the owner and relevant management departments).

A set of street lamp control terminal devices and intelligent power-saving cabinets are installed in the box-type substation. The street lamp control has remote control, time control and manual control methods for street lamp management departments to choose.

The box-type substation should be set up in the green belt outside the sidewalk and should not occupy the sidewalk.

The street lamp power distribution adopts three-phase four-wire system, each lamp is connected to a 220V power supply, and the loop voltage loss is about 5% to 7%. Metering: A total electric energy metering device is installed in the box-type substation. In addition, in order to measure the electricity load of different electricity prices, the advertising light box has a separate meter. Reserve an advertising light box load of 400W on each Street light pole; each bus shelter reserves 5000W of electricity load; every 1000 meters reserves a public welfare advertising light box load of 10kW; each intersection has a reserved traffic signal light electricity capacity of 3000W; And other backup circuits. [The above content is organized and released by Led Street Light manufacturers]

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