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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
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
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
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
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
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
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 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 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
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