TOSA Flash Mobility, Clean City, Smart Bus

TOSA Energy Transfer System

The TOSA concept and test bus is a full electric large capacity urban bus system developed in Geneva by the ABB Sécheron Ltd, a company of ABB Group.

Aim of the concept and project

The aim is to provide a zero local emission mass public transportation bus system with high passenger capacity and no overhead line.

The concept supports same operating timetable and frequency as line operated with diesel buses, trolleybuses and operating conditions of Bus Rapid Transit systems. The following aspects have been considered to comply with a sustainable mobility approach:

Origin of name

TOSA stands for Trolleybus Optimisation du Système d'Alimentation (French). Originally, TOSA name stands for Transports Publics Genevois, Office de la Promotion Industrielle, Services Industriels de Genève and ABB Group, the four partners of the demonstrator project TOSA2013[1]

The technical concept

The energy is collected along the route at some dedicated bus stops (every 3rd or 4th bus stops) while people are disembarking and embarking. Thus, there is no impact on the timetable. The automatic electric connection is made from the top within 1 second while the bus is stopped at the bus stop. Than charging is made at high power (400 kW on the demonstrator) during the 15 seconds the door remains open. At the terminal, the battery is topped up within 3–4 minutes.

The infrastructure

According to the line profile (total length and altitude) and service (frequency), the Flash Feeding Station (FFS) are distributed along the line at some (each 3rd or 4th bus stops - roughly 1.5–2 km) intermediate bus stops. At each end of the line, the recharge is performed by the Terminal Feeding Station (TFS).

Demonstrator (Proof-of-Concept)

TOSA Bus at PALEXPO

The demonstrator (one articulated bus, one Flash charging station and one terminal station) is in service since May 26, 2013 between Geneva Airport and PALEXPO. It includes:

Partners

Other partners

External links

References

  1. http://www.enerzine.com/1036/15865/mise-en-service-dun-bus-electrique-qui-se-recharge-en-15-secondes.html
  2. TOSA2013 The project aims to introduce a new system of mass transport with electric “flash” recharging of the buses at selected stops (overhead conductive charging)
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