Analysis and Design of Electrical Power Systems

20Lighting Systems

20.1 Interior Lighting

20.1.1 Terms and Definitions

• Lamps are technical realizations of artificial light sources primarily intended for lighting purposes, that is, for lighting and illumination. They convert electrical energy into light.
• Light fixtures: Light fixtures serve the purpose of influencing the light beam generated by a light source in such a way as to achieve optimal illumination of a system. Light fixtures are therefore electrical operational equipment containing lamps and accessories, which guide the light radiated from the lamps in the required direction.

For the planning and configuration of interior lighting systems, the following definitions, standards, and specifications are especially important [35]: ...