C

Capacitors
Capacitors are fitted to luminaires that operate with discharge lamps either to improve the power factor Power Factor Correction (cf. Circuit Types) or to ...
Mon, 20 Jun, 2016 at 1:20 PM
Circuit Types
Starters and Ballasts are required to ignite and operate fluorescent lamps. After ignition the operating current is regulated by the ballast. The induct...
Mon, 20 Jun, 2016 at 1:35 PM
Circuit Types - Capacitive circuit for one lamp
In addition to the gear required to start and operate a fluorescent lamp, i.e. a Starter and a Ballast, which is also included in the inductive circuit , ...
Mon, 20 Jun, 2016 at 1:40 PM
Circuit Types - Compensated circuit
In comparison with the single capacitive circuit, the compensated circuit has a parallel capacitor instead of a series capacitor. It also includes the gea...
Mon, 20 Jun, 2016 at 2:10 PM
Circuit Types - Dual circuit
The combination of an inductive and a capacitive circuit for one lamp with two fluorescent lamps provides almost complete power factor correction. Strobos...
Mon, 20 Jun, 2016 at 2:15 PM
Circuit Types - Inductive circuit for one lamp
The inductive circuit for one lamp is the simplest basic circuit. It only includes the gear required to start and operate a fluorescent lamp, i.e. a Start...
Mon, 20 Jun, 2016 at 2:17 PM
Circuit Types - Tandem circuit
Two fluorescent lamps connected in series are operated with just one Ballast. Since each lamp only receives half the voltage, a 110 V starter must be used...
Mon, 20 Jun, 2016 at 2:20 PM
Color appearance
Color appearance is the term given to the chromaticity of a primary radiator, i.e. a light source (in contrast to the object color of a solid that derives ...
Mon, 20 Jun, 2016 at 2:36 PM
Color rendition
Color rendition is the term used to describe the degree to which an object or surface color (walls, ceiling, furniture, workpiece) seems "normal&qu...
Wed, 29 Jun, 2016 at 9:16 AM
Color temperature
The color temperature of any source of radiation is defined as the temperature (in Kelvin) of a black body or Planckian radiator whose radiation has the s...
Wed, 22 Jun, 2016 at 2:27 PM