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Ballasts are needed to operate Discharge Lamp such as Fluorescent Lamps, Compact Fluorescent Lamps, High-pressure Mercury Lamps, Metal Halide Lamps, and H...
Fri, 17 Jun, 2016 at 1:58 PM
Electronic ballasts are used to run fluorescent lamps at high frequencies (approx. 35 - 40 kHz). This has a number of advantages compared with conventional...
Fri, 17 Jun, 2016 at 2:02 PM
A ballast is required to start and operate a fluorescent lamp. In combination with the starter the ballast delivers the striking voltage needed to start t...
Fri, 17 Jun, 2016 at 2:33 PM
Ballasts are needed to run high pressure discharge Lamps with their various gas fillings (mercury vapour, sodium vapour or metal halide).
They stabilis...
Mon, 20 Jun, 2016 at 9:44 AM
Magnetic ballasts are chokes which limit the current passing through a lamp
connected in series on the principle of selfinduction. The resultant current...
Mon, 20 Jun, 2016 at 9:47 AM
The various subjects relating to modern lighting technology are dealt with in
depth in the Handbuch für Beleuchtung This is the standard
reference ...
Wed, 29 Jun, 2016 at 9:14 AM
If a room is not utilised right up to the walls, calculations for the lighting system can be limited to a working plane reduced by a peripheral margin ...
Mon, 25 Jul, 2016 at 2:30 PM
Although the effect of brightness emanating from an object depends primarily on its Luminance, luminance cannot be treated as an absolute measure for the ...
Mon, 20 Jun, 2016 at 9:58 AM