What is the streetlight power supply mode?

The power distribution mode of the street lamp has the following types, single power distribution and multi-power distribution. The interface of the power line, and now the complete set of street lamp poles have street lamp power junction box. Where is the distribution box generally located? The distribution box is generally installed at the nearest power supply place and the convenient control place. The number of street lights in a distribution box depends on the capacity of the power supply system. Street light distribution lines generally use 6mm²-10mm² cables, single power distribution, can only tube 10-25 kW street lights. If the power supply is divided into three phases, it will be about 30-75 kilowatts.

1, according to the height of the street lamp: high pole street lamp, middle pole lamp, street lamp, garden lamp, lawn lamp;
2, according to the material of street lamp pole: hot galvanized iron street lamp, hot galvanized steel street lamp and stainless steel street lamp;
3, according to the street light source: sodium street lamp, LED street lamp, energy-saving street lamp, new Somin xenon street lamp.
4, according to the shape: Chinese lights, antique lights, landscape lights, single-arm street lights, two-arm street lights.
5, according to the power supply method: mains street lights and solar street lights, wind and complementary street lights

Street lamps relate to lighting technology and are applicable to street lamps. The purpose is to design a kind of high-efficiency electronic energy-saving street lamp with long life, low power consumption, high power factor and small current harmonic content. The high-efficiency electronic energy-saving street lamp comprises a high-voltage discharge branch R1 and C1, a rectifier bridge D1-D4, a power factor correction branch C2, D5, D6, a high-intermediate frequency burr filter branch L1, L3, a high-frequency oscillation circuit BG1-BG2, a starting branch L2, C7 and a lamp tube T; It can save 80% electricity than previous street lamps; Harmonic content THD < 25%, prolong the life of the lamp up to 3-4 times.

Street lamp

Street lamps are usually classified according to the shape of the light they emit. The specific division method is recommended by the International Commission on Lighting (CIE) to project, expand and control three items.

① Projection. It indicates the longitudinal diffusion degree of the light emitted by the lamp along the road, which is divided into short, medium and long 3 kinds.

② Expansion. It indicates the horizontal diffusion degree of the light emitted by the lamp in the road, which is divided into three kinds: narrow, general and wide.

③ Control. Indicates the degree of glare control of the lamp, which is divided into limited, medium and strict 3 kinds.
The installation methods of street lamps are bracket type, high type, straight rod type, suspension type and suction wall type