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LED LUMINAIRE OPERATION

The operating characteristics of LED luminaires significantly differ from those of luminaires for discharge lamps or thermal radiators. This is materially due to the fact that the light source is a semiconductor featuring characteristics that are more closely associated with digital electronics than with lighting.

  • Thermal overload of components during operation must be prevented via sound thermal management.

  • Due to power control realised in some products, the term "rated output" must be defined.

  • The operating mode of light generation necessitates an arrangement of circuits and control gear different from other technologies.

  • The influence of electromagnetic interactions with the supply network and surrounding electronics in terms of immunity as well as permissible emitted interference is regulated in the provisions for electromagnetic compatibility (EMC).

  • Damage to the luminaire components caused by electrostatic discharge (ESD) must be safely avoided through use of diligent methods during maintenance.

However, photometric quality and efficiency criteria such as

  • rated luminous flux,

  • luminous efficacy and

  • spectral light characteristics

Further operational conditions    Thermal management

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