Technologies
	Introduction     Database      Technologies    Projects     Calendar     Discussions     Contact & Links     Imprint & Disclaimer     Sitemap	go back to technology list       previous technology  next technology     Ventilation control (retrofit)  evaluated   Traction equipment is cooled by ventilation to prevent over-heating. The energy needed for ventilation can be substantially reduced by demand-controlled operation, i.e. by controlling ventilation power according to actual cooling demand of the motor (or other traction equipment). The technology can be integrated in old stock as a refitting measure in some cases. Technology field: Optimisation of traction technologies General information General criteria   Status of development: in use   Time horizon for broad application: in < 2 years   Expected technological development: basically exploited   Benefits (other than environmental): medium   Barriers: medium   Applicability for railway segments: low     Type of traction:  electric - DC, electric - AC     Type of transportation:  passenger - main lines, passenger - regional lines, passenger - suburban lines, freight     Grade of diffusion into railway markets:   Diffusion into relevant segment of fleet: < 5%   Share of newly purchased stock: not applicable   Market potential (railways): low Environmental criteria Economic criteria Application outside railway sector (this technology is railway specific) Overall rating References / Links:  Bänziger et al. 1995;  Mouginstein, Pokrovskij 2000;  Slattenschek 1997;  Slattenschek 2000 Attachments: Related projects:  Optimised Ventilation Control Re 4/4 II, Re 4/4 III Contact persons:  date created: 2002-10-09     © UIC - International Union of Railways 2003			Your contribution    add technology  Views of this page    show overview    show evaluation    show details  Print options    print data sheet    print screen  Help    Evaluation briefing    Technology list     French - German