The Necessity of Lightning Protection for LED Street Lights
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The Necessity of Lightning Protection for LED Street Lights

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Lightning strikes are electrostatic discharges that typically carry millions of volts from the clouds to the ground or to another cloud. During transmission, lightning generates electromagnetic fields in the air, inducing thousands of volts (ie, surges) to the power line and generating induced currents that travel hundreds of miles away. These indirect attacks typically occur on outdoor exposed wires, such as street lights. Equipment such as traffic lights and base stations emit surges. The surge protection module directly faces the surge interference from the power line at the front end of the circuit. It transfers or absorbs surge energy, minimizing the threat of surges to other working circuits, such as AC/DC power units in LED lighting fixtures.

For LED street lights, lightning generates an induced surge on the power line. This surge of energy creates a surge on the wire, that is, a surge wave. The surge is transmitted through such induction. The outside world has a surge. The wave will create a tip on the sine wave in the 220V transmission line. When the tip enters the street light, it will damage the LED street lamp circuit.

Street lamps have been around for many years. Why do you now need to find lightning protection for street lights? In fact, the high-pressure sodium lamps and traditional mercury lamps used in the past are designed with high-pressure bulbs, which have the effect of lightning protection. In recent years, LED lights have become more and more popular. LED lights require a small supply voltage. Usually, the power supply is used to convert AC power to DC power. This makes the LED street lamp itself have no lightning protection, so it needs to be designed for street lamps. Lightning protection module.

The importance of streetlight lightning protection is determined by the concept of payback period. Since the LED street lamp is about twice as expensive as the traditional street lamp, the government has a large investment amount at the beginning of the purchase. Therefore, it is necessary to gradually save the cost by saving electricity expenditure during the operation. Therefore, the life of the LED lamp is very important. If the LED light has not recovered the cost and it is broken during the investment recovery period, it will cost money to repair it. The labor cost for maintenance is twice as expensive as the installation. Therefore, in the LED era, to achieve the effect of saving power and saving money, it is necessary to ensure that its life expectancy can reach your expectations, that is, the product has a long shelf life. To achieve cost savings and ensure that street lights are not damaged during the investment recovery period, reliability needs to be increased. This requires a lightning protection module for the LED streetlight to maximize the economy.

With the advent of the intelligent era, intelligent street lights have entered the practical application scenarios. The intelligent street light represents the street light that enables the street light to be turned on and off at the remote Internet of Things, and can adjust the color and brightness of the street light. Relatively speaking, smart devices have more and more functions, and reliability has to be improved. Security issues are crucial. For lightning protection, lightning protection and safety functions should be met at the same time.

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