This issue is sponsored by the Philips Romania, Lighting Division

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Information
MODERN AIRFIELD LIGHTING SYSTEMS
Constantin MADA 1 , Inge GAVĂT 2
1. S.C. IPA S.A.; 2. POLITEHNICA University of Bucharest
The modern stationary and portable airfields lighting systems has as advantages high
energetic efficiency, low line voltage distortion, PC control and monitoring, remote control
by the serial signal or radio wireless signal.
1 Introduction
The airfield lighting systems are composed
of the light fixtures (runway lights
thresholds lights, approach lights) and
precision approach path indicators (PAPI),
the constant current regulators (CCR) for
Figure 1 Airfield lighting system block diagram with remote control units [5]
INGINERIA ILUMINATULUI 18-2006
light intensity level control which provide a
fixed current as independently of loads be
connected to their outputs. Either CCR
output current levels can be selected by the
front panel switch or this switch is in
remote position, controlled by remote unit
(Figure 1 and Figure 2).