DC CONVERTER FOR A NEW TRAFFIC CONTROLLER
GELIJKSPANNINGSOMZETTER VOOR EEN NIEUWE VERKEERSREGELAAR
The driver and watch circuits for the lamps of the present generation of traffic control systems consist of: an autotransformer, solid state switches, circuits for measuring the voltage over and the current through the lamp and for each lamp a transformer, that transforms the main voltage down to 10 V for the supply of the 50 W-halogen lamp. The intention is to replace these four named components in the future by a compact power-electronics lampmodule that has to be placed together with the lamp in the holder. The research was mainly dedicated to the converter of the lampmodule that converts the main voltage into a voltage which is adjustable between 6 and 10 V, including the design of the transformer in such a converter. To obtain a view of the distributed system in which the lampmodule has to function, two possible concepts of such systems are discussed briefly. The watch functions which have to take care of the fail-safe security of the system, become very complex by decentralizing the functions of the system. Therefore, the question is whether the savings, which are obtained by substituting the four components by the lampmodules are high enough to cover the costs of the development of the new system.
- Summary in English.
Technische Hogeschool EindhovenVakgroep Elektromechanica en Vermogenselektronica
- Kwaks, AMJ
- Publication Date: 1988-12
- Pagination: 214 p.
- TRT Terms: Converters (Electricity); Cost effectiveness; Electronic equipment; Fail safe systems; Lamps; Physical distribution; Security; Solid state devices; Traffic control; Traffic signal hardware; Transformers
- Uncontrolled Terms: Distribution systems; Switches
- Old TRIS Terms: Converters; Electronic devices; Fail safe; Solid state; Traffic control systems
- Subject Areas: Design; Economics; Freight Transportation; Highways; Operations and Traffic Management; Security and Emergencies; Society; I73: Traffic Control;
- Accession Number: 00496225
- Record Type: Publication
- Source Agency: National Technical Information Service
- Report/Paper Numbers: EMV-88-53
- Files: TRIS
- Created Date: Aug 31 1990 12:00AM