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   Improved operation control for air-conditioning  evaluated  
In order to keep the air-conditioning system from over-reacting to short-term variations in outside climatic conditions (e.g. when train enters a tunnel), an intelligent control device can ensure a smoothened operation.
Technology field: Optimisation of comfort functions
open main section General information
close main section General criteria
  close sub-section Status of development: in use
    Built into new IC 2000 coaches of SBB and tested successfully.
  Time horizon for broad application: 2 - 5 years
    (no details available)
  Expected technological development: basically exploited
    (no details available)
    Motivation:
   
  • Energy efficiency
  • Passenger comfort
  Benefits (other than environmental): medium
    Increased passenger comfort
  Barriers: low
   

Taylored solution

Due to differences in control of air-conditioning in different vehicle series, a corresponding control device will to some extent require a solution tailored to a particular vehicle class.

    Success factors:
    (no details available)
  Applicability for railway segments: medium
    Type of traction:  electric - DC, electric - AC, diesel
    Type of transportation:  passenger - main lines, passenger - high speed, passenger - regional lines, passenger - suburban lines
    Applicability to passenger stock is in principle high. However, technical feasibility and economic profitability have to be checked for individual vehicle series. For the latter, the number of tunnels etc. in the operation regime of the vehicle will be relevant.
    Grade of diffusion into railway markets:
  Diffusion into relevant segment of fleet: < 5%
  Share of newly purchased stock: (no data)
    (no details available)
  Market potential (railways): medium
    (no details available)
    Example:
    Swiss IC 2000
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:
Attachments:
Related projects:  Energy Management System of New Coaches
Contact persons:
 date created: 2002-10-09
 
 
© UIC - International Union of Railways 2003
 
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