Matters needing attention in the use of LED high pole lights

High pole lights are suitable for spacious places such as squares, highways, gymnasiums, and overpass lights. Since the height of solar street lights is generally 15-25 meters, the installation must not be sloppy to prevent unnecessary rework. Recently, a customer asked about the selection and protection of LED high-pole light cables when they were doing the foundation of high-pole lights. Next, the solar street light manufacturer Huake will give you a detailed analysis: The choice of solar street light cables The choice of cable cross-section is the first . Under normal circumstances, when the line distance is not long and the current is large, the cross section can be selected according to the safe current carrying capacity of the wire and cable, and then checked according to the allowable voltage loss. When the line distance is more than a few hundred meters, the second. It is necessary to consider the selection of the section according to the allowable voltage loss, and then check the section according to the safety current carrying capacity and mechanical strength requirements. Street lamp manufacturers are the third for lines with large terrain fluctuations and large block distances. In addition to selecting according to the safe current carrying capacity and allowable voltage loss, the mechanical strength must be checked. Selection of the neutral line cross-section of the distribution line: the neutral line cross-section of the three-phase four-wire system should not be less than 50% of the phase line cross-section; the neutral line of the single-phase two-wire system should have the same cross-section; a gas discharge lamp such as Among the three-phase four-wire circuits with low power factor such as high-pressure mercury lamps and high-pressure sodium lamps, the fourth. The line contains high-order harmonic currents dominated by the third harmonic, so the selection of the neutral line should be based on the phase current of the largest phase. The neutral wire must be the same size as the cross-section of the three phase wires. Solar street light cable maintenance In order to prevent personal electric shock damage to electrical lines and electrical fires, Led high-pole lighting lines and lighting appliances are in electrical failure. Short-circuit protection, overload protection and grounding protection must be installed, which can cut off the power supply or send an alarm signal. The usual protective measures are fuses, circuit breakers and residual current protectors.
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