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Railway Application

Railway application

Urban light rail system

Key project requirements

| Active thermal management system
| Voltage insulation above 4.000 V
| EN45545 Non-flammable materials & flame retardant protection
| Extreme long life: over 70% remaining capacity after 20.000 cycles at 3C charge/discharge cycles 100% DOD

Podium Advanced Technologies has designed, tested and implemented a custom battery pack for railway application which removes the need for overhead power lines, a key issue in architecturally sensitive areas where trams and light trains run.
The battery system conceived by Podium Advanced Technologies guarantees a minimum percentage of 70% state of health after more than 20.000 charging and recharging cycles. With reduced weight and volume, our solution represents a suitable solution for municipalities and public transport companies.

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Credits
ADDRESS
Via Carlo Viola 65
11026 Pont-Saint-Martin (AO) | Italy
Podium Engineering s.r.l. - P.IVA 01158110070
REA AO-72219 - Cap.Soc. EUR 1.000.000 i.v.
GDPR privacy notice for customers and suppliers
ADDRESS
Via Carlo Viola 65 - 11026 Pont-Saint-Martin (AO) | Italy
Podium Engineering s.r.l. - P.IVA 01158110070
REA AO-72219 - Cap.Soc. EUR 1.000.000 i.v.
GDPR privacy notice for customers and suppliers
Podium Engineering © 2021. All rights reserved​
Podium Engineering © 2021. All rights reserved​
ADDRESS
Via Carlo Viola 65 - 11026 Pont-Saint-Martin (AO) | Italy
Podium Engineering s.r.l. - P.IVA 01158110070
REA AO-72219 - Cap.Soc. EUR 1.000.000 i.v.
GDPR privacy notice for customers and suppliers

Assembly process

Sorting, Testing and Stacking Cylindrical
- Fully automated station
- 100% cells state of health testing (including open circuit voltage, resistance/AC impedance, temperature
- Stations able to handle module up to 1200 mm length
- Different cooling strategies can be handled within this station
- Similar capacity cells can be sorted and included in a module
- Fast and tack-free led lamp curing
- Accurate pressing operation
Sorting, Testing and Stacking Cylindrical
Sorting, Testing and Stacking Prismatic and Pouch
- Fully automated station
- 100% cells state of health testing (including open circuit voltage, resistance/AC impedance, temperature
- Stations can handle different cell dimensions and different thermal extraction strategies
- Accurate pressing operation
Sorting, Testing and Stacking Prismatic and Pouch
Bus Bar Laser Welding
- Cutting edge laser beam technology that guarantees robust joints for several type of busbar connections
- Possibility to weld challenging reflective materials such as CU, Al and dissimiral combination of materials
- Internal development of welding parameters
- Extensive quality control such as weld penetration in process monitoring and resistivity checks
- Stations can handle module up to 1200 mm length and 600 mm width
Bus Bar Laser Welding
Ultrasonic wire bonding
- Fully automatic station
- Wire bonding with the highest axis accuracy
- Continuous real time monitoring of wire condition and process
- Integrated quality control
Ultrasonic wire bonding
Pack assembly stations
- Stations equipped with manual assistors and process dedicated tools to allow assembly teams to work in perfect ergonomic and safe conditions
- Stations equipped with torque monitored tools
- Control tracking system to verify process completion and quality monitoring
- Junction box assembly and quality control
- Controlled sealing application completed after functional test
Pack assembly stations
EOL Testing
- Battery module and pack functional tests
- BMS firmware and software flashing
- Pack cooling system integrity test
EOL Testing

Main features

  • Safety: BMS Design compliant for ISO 26262
  • Scalable slave-master architecture, handles systems
    up to 1.000 V
  • Cell dissipative balancing

Functionalities

  • Real time monitoring cells & components voltage
    and temperatures
  • Advanced algorithms for SOC/SOH estimation
  • Advanced SOP estimation with realtime cell
    thermoelectrical models
  • Electromechanical components feedback monitoring
    and degradation estimation (fuses, contactors)
  • Control and monitoring of the thermal management system
  • Sensing of current, water leak, internal humidity, etc
  • Ground fault monitoring of grounded or ungrounded systems

Services related to BMS

  • Testing and modelling of battery cells
    and systems
  • Experimental characterization of cells
    for accurate state estimation algorithms
    (e.g., SOC, SOE, SOH, SOP)
  • BMS hardware and software development
    for specific applications
  • Prototyping of high-performance
    battery systems
  • Consulting in the field of battery systems

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