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   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
open main section General information
close main section General criteria
  open sub-section 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
open main section Environmental criteria
open main section Economic criteria
no data available Application outside railway sector (this technology is railway specific)
open main section 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
 
 
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