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energy efficiency of electric drives

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For over ten years, E³ has stood for economic - ecologic - ergonomic: three key pillars for the success of this innovative machine series. Economic, environmental, and ergonomic benefits come together in synergy.

Economic benefits of the electric drive system

The focus is on the paradigm shift towards the use of renewable energy instead of fossil fuels. This starts with the drive, which is electrically powered in E³ machines, and continues through to the heart of the track maintenance machines, the tamping units, which are also electrically powered. The overhead contact line provides power. In overhead contact line installation, batteries supply the work units.

This results in clearly measurable economic benefits: up to 177 euros can be saved per hour due to lower energy and operating costs.

Greater energy efficiency and fewer emissions

Ecologically speaking, energy efficiency is significantly increased by switching to electric drives, as the electric propulsion system is much more efficient than an internal combustion engine. Simultaneously, the use of fossil fuels and lubricants is declining noticeably. E³ machines reduce local CO₂ emissions to zero and also reduce noise by up to 20 dB(A).

Redesigned workstations and environments significantly improve the ergonomic design of the machines. This leads to greater work safety and comfort for the machine operators.

The E³ range already covers tamping, ballast distribution and ballast profiling, stabilization of tracks and turnouts as well as overhead contact line construction and maintenance.

Time for the next big steps

How can the necessary capacity increases on rail be implemented? How can we speed up authorization processes? And how can we address the lack of qualified staff?

Plasser & Theurer’s new E³ machine system for track maintenance provides concrete answers to these questions. Answers which are far-reaching for the future of track maintenance.

  • Performance | An optimum interaction makes mechanized track maintenance more efficient than ever
  • Future viability | Ready to tackle the challenges of tomorrow in terms of operation, decarbonization, and proof reports
  • Attractive workspace | Ergonomic operation with intelligently networked assistance systems and automated functions
  • Zero emissions | Tamping, stabilizing, and profiling without CO₂
  • Cost-efficiency | Reduce life cycle costs with sustainable investment
  • Predictable authorization time | A system concept optimized for the 4th Railway Package

E³ milestones

2023

Major order from ÖBB for 56 Plasser CatenaryCrafters and MultiCrafters

2022

Eco-retrofits for the future of tamping: upgrade from hydraulic to electric tamping units

2022

First all-electric Unimat 09-4x4/4S Dynamic E³ for Deutsche Bahn AG

2022

A multi-talent: the Unimat 09-8x4/4S BR Dynamic E³ is modular, all-electric, ergonomic

01/2018

Start of production of further E³ machines for operation in Italy with dual supply voltages from the overhead contact line (25 kV/AC and 3 kV/DC): Unimat 09-32/4S Dynamic E³ and Unimat Combi 08-275 E³

11/2017

Testing the HTW 100 E³

11/2017

Successful testing of the running and working mode of the all-electric E³ drive concept of the new Unimat 09-4x4/4S E³

06/2017

Comprehensive tests and analyses (fire protection, climatic wind tunnel, TÜV, risk analysis, functional safety, etc.)

05/2017

Introduction of the HTW 100 E³ at iaf: battery power for all works on the overhead contact line

05/2017

iaf International Exhibition for Track Technology in Münster: Introduction of the world’s first fully electrically powered tamping machine: the Unimat 09-4x4/4S E³

11/2016

Start of production of the HTW 100 E³

08/2016

Delivery of the Unimat 09-32/4S Dynamic E³ universal tamping machine to Krebs Gleisbau.

Machine approvals for operation in Germany, Austria, and Switzerland

06/2016

Start of the design and engineering of the HTW 100 E³

04/2016

Project planning for a hybrid vehicle for works on the overhead contact line with battery technology.

Development according to market requirements: energy-efficient, quiet, low in emissions, environmentally-friendly, user-friendly

01/2016

Preparation of an extended E³ concept: electric drive integrated into the bogie and electric drive of the work units

09/2015

Completion and delivery of the first two E³ machines.

Live demonstration for 500 experts at the convention of the Austrian Society for Traffic and Transport Science in Salzburg.

01/2015

Start of production of the first E³ machines: 09-4X E³ Dynamic Tamping Express 4-sleeper tamping machine and BDS 2000 E³ ballast management system

06/2014

Start of the project and conception of an electric drivetrain

03/2014

Selection of machine models with hybrid drive concept

10/2013

First talks led to the decision to implement a hybrid drive concept with hydrostatic drive. The E³ brand was created.

E³ machines

Machine series

Reference projects

Gallery

Plasser & Theurer’s E³ drive concept significantly reduces diesel consumption and makes climate-neutral operation possible.

Plasser & Theurer’s E³ drive concept significantly reduces diesel consumption and makes climate-neutral operation possible.

09-4X Dynamic Tamping Express E³

Unimat 09-4x4/4S E³

Plasser CatenaryCrafter 15.4 E³

Unimat 09-8x4/4S BR-Dynamic E³

Unimat 09-32/4S Dynamic E³

HTW 100 E³

Newsflashes and links on E³ – economic, ecologic, ergonomic