Source: Amazon.de · Auf Lager
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The Science Behind Halogen Lamps

Understanding Halogen Lamps

Halogen lamps are a type of incandescent lamp that contains a gas mixture with a halogen such as iodine or bromine. The halogen cycle allows the halogen to react with evaporated tungsten from the filament, preventing darkening of the bulb.

Energy Efficiency

Halogen lamps are more efficient than traditional incandescent lamps but less efficient than fluorescent lamps and LEDs. The halogen cycle enables higher filament temperatures, increasing luminous efficacy.

Halogen Lamps for Low and High Voltages

Lamps designed for low voltages like 12 V are more energy-efficient but require transformers. Lamps for grid voltages like 230 V are cost-effective and easy to install.

Practical Aspects

Halogen lamps emit some UV light, which can be harmful. Using filter glass can block UV radiation. The high surface temperature poses a fire risk and requires quality materials for safety.

Applications

Halogen lamps are used for illumination in outdoor lighting and car headlamps. They are being replaced by LEDs for low-power lighting but remain cost-effective for specific applications.

Conclusion

Halogen lamps offer a balance between energy efficiency and cost-effectiveness, making them suitable for various lighting applications despite being gradually phased out in favor of more efficient alternatives.

Source: Amazon.de · Auf Lager
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