# T1244 Characterising the Pantograph and Overhead Contact System

> A sourced UK public sector contract award published by RAIL SAFETY AND STANDARDS BOARD LIMITED.

## Key facts

- Buyer: RAIL SAFETY AND STANDARDS BOARD LIMITED
- Published: 20 January 2021
- Stage: pre_procurement
- Notice ID: 8e4e9896-f8c5-442a-89f9-445e4a749be6-407154
- OCID: ocds-b5fd17-33e045e4-7d9e-4bc7-8b0a-c3138672a7db

## Description

Background As new electric rolling stock is introduced or existing rolling stock is assigned to different routes, compatibility assessments between the vehicle and infrastructure are undertaken to ensure safe working at the pantograph-catenary interface\. Analysis is usually undertaken on a case by case basis utilising expert analysis, data and validated software models\. This process can add cost and potentially a significant time delay on the critical path to introducing new rolling stock\. Over the coming years, a large number of new rolling stock is planned to be introduced across the network, and with potentially increasing variability across designs \(e\.g\. multiple pantographs and higher speeds\), there will likely be a requirement for a lot more compatibility assessments\. Through the cross industry Vehicle - Traction Energy System Interface Committee \(V/TE SIC\), the rail industry has proposed research be undertaken to define reference cases of varying combinations of pantograph and overhead contact system interaction, to generalise compatibility assessment, with the aim to ultimately reduce costs and time taken in approving vehicles for new routes\. This research project intends to test the suitability of a such a generalised approach and to populate a Compatibility Matrix of reference cases that can be used to expediate future assessments\. Objectives This research is targeted at improving the industry's understanding of existing compatibility between legacy Overhead Contact Systems \(OCS\) and electric vehicles, and to provide an evidence base to potentially modify the challenging requirements in standards, specifically • GMRT 2111 Rolling Stock Subsystem and Interface to AC Energy Subsystem • GLRT 1210 AC Energy Subsystem and Interfaces to Rolling Stock Subsystem Currently standards specify current collection criteria at the interface as opposed to being specified at the OCS or vehicle level meaning that many Full Compatibility Assessments are required as vehicles are cascaded across the network, often done on a case by case basis requiring testing and simulation on validated models with little applicability to other rolling stock\. The ambition of this project is to make introduction of new rolling stock quicker and cheaper by: 1\. Providing a clear set of criteria for the specifier, including key parameters such as pantograph spacing and maximum speeds 2\. Demonstrating some of the existing proven capabilities for existing rolling stock/pantograph and OCS combinations Ultimately this will benefit the industry through 1\. Reduced cost in compatibility assessment cost\. 2\. Reduce risk to timescales for new vehicle introduction, making the industry more dynamic and flexible in usage of rolling stock\. Additional information: RSSB would like to invite suppliers to a pre-tender meeting on Wednesday 3rd February 2021 from 13:00-14:30\. The meeting will be held remotely on Microsoft Teams \(attendees will be issued with an invite to the Microsoft Teams meeting once they have confirmed their attendance\)\. Suppliers wishing to attend the event must confirm the name and email address of all attendees to Tanja\.Odinsen@rssb\.co\.uk, you will then be issued with an invite to the meeting

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## Source

[View the original notice on Contracts Finder](https://www.contractsfinder.service.gov.uk/Notice/8e4e9896-f8c5-442a-89f9-445e4a749be6-407154)