Hybrid and Electric Powertrain

P4/5C KERS

Key project requirements

|   Energy 1MJ
|   400C Pulsed Charge/Discharge Power
|   Above 6kW/kg power density
|   70% Cell to pack weight ratio

Podium Advanced Technologies has designed, tested and raced a complete hybrid KERS system for recovering a moving vehicle’s kinetic energy under braking. 

With a mechanical integration that comes straight from 2009/2010 FIA Formula One, GPS technology, and a choice of the highest quality of materials, Podium has developed a full set of complex algorithms for the deploy of the energy supply and recovery, in order to maximize performance.

In 2012 SCG P4/5C has been the first Lithium-Ion battery powered hybrid car to successfully complete the Nürburgring 24 hours race, winning its class.

Battery Management System Hardware features

  • Scalable: decentralized architecture BMS and several CSCs
  • Voltage level: 400V and up to >800V
  • Safety
  • Double μC with redundant communication (digital fault lines for OV, UV, OT)
  • Insulation monitoring unit
  • Crash detection, interlock signal, liquid leak detection
  • Interfaces
  • 2x CAN Bus
  • Low voltage interfaces
  • Analog and digital I/O’s
  • Channels for contactors and relays control
  • 2x Analog Current sensor interfaces
  • 4x HV measurement channels
  • Min 6 to max 16 cells voltage measurement per CSC
  • Max 8 temperature sensors per CSC

Battery Management System Software features

  • Cell limits monitoring
  • Power prediction (SoP)
  • SoC and SOH Evaluation
  • Balancing control
  • Contactor Control
  • Thermal Management Control
  • Data Logging
  • Operating Mode Control
  • Start-up and pre-charge
  • Driving
  • Charging
  • Shut down and discharge
  • Charger (AC & DC) Interfaces

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