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Many stadiums use high intensity discharge lamp (HID) lighting. The downside of these lights is the length of time it takes to turn them on and achieve optimum efficiency. This can sometimes cause problems, as was seen in Super Bowl LVII, where the game was delayed by 34 minutes due to an external power supply that caused some lights in the stadium to go out.  

Metal halide stadium lights take a long time to warm up

Metal halide (MH) lighting systems are still common in many stadiums. Metal halide lamps cannot achieve the desired light output in just a few minutes. They can take up to 5-20 minutes to reach 90% of their full brightness.

When the lights were first turned on, viewers usually see a dim glow. It takes up to 15 minutes to warm up, during which time the lights gradually brighten. The lamp does not work properly until it finally reaches the correct temperature.

The warm-up time is also commonly referred to as the startup time. Another problem here is that when you turn off the lights, you have to let the arc tube cool again and then turn it back on. The time that the lamp must be cooled before being turned back on is called restart time.  

Compared with metal halide lamp, high pressure sodium lamp start time is shorter     

When you turn on the high pressure sodium lamp (HPS), there will also be a delay before the optimum intensity is reached. It takes about 10 minutes. High pressure sodium lamps have a frame stabilized arc tube with very high internal pressure to make the lamp more efficient. As the arc tube heats up, the mercury vapor inside glows blue. Keep heating it, and eventually the sodium will turn into vapor, because light is emitted at full power.    

Use LED lighting system, no preheating, immediately on and off.

Today, we are seeing more and more stadiums using LED lighting systems instead of traditional systems. One of the biggest dangers of metal halides is the high temperature produced by the bulbs, which can fall or explode for a variety of reasons. They’ll rain molten glass down on anything underneath. If flammable, it can cause a fire.  A safe alternative to metal halides is LED stadium lights, which can be turned on and off immediately. Nor is it as dangerous at high temperatures as metal halide lamps.

Led have three main advantages over metal halide lamps.

• Reduce electricity consumption and thus reduce electricity bills
• Reduce maintenance cost and long service life
• Better performance (adjustable light and instant on and off)

LED stadium lighting technology advances by leaps and bounds, more and more widely used, but also more and more favored by people. It is the ideal solution for stadium lighting. Because LED stadium lighting is more cost-effective and environmentally friendly, it provides better low-glare lighting. LED stadium lighting is also easier to control and can be switched on and off, as well as freely dimmed.

Conclusion:

Our Green light team is committed to developing safety and energy saving led stadium light solutions for our customers.Please contact our team for satisfactory design solutions and energy-saving and economical lighting solutions.[email protected].