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Hyundai Veloster N ETCR car completes WAE systems integration

30 September 2020

At the end of September Hyundai Motorsport completed its first integration of a Veloster N ETCR car at Williams Advanced Engineering (WAE), under the supervision of WSC Group’s ETCR technical director Gergeli Bári. Activities included four days at the WAE workshop for the integration of the electrical systems and three days of shakedown and calibration testing at Great Tew circuit, in the Cotswolds.
The integration was performed with the help of an ETCR lab-car built by WAE that was used to replicate and resolve any issues that may possibly occur during the race car integration process.

Static Integration was carried out in two phases: Mechanical and Electrical, and followed a bespoke test plan developed by WAE for ETCR.

Mechanical activities included:

  • The installation of the battery into the chassis
  • Connection and bleeding of the cooling system
  • Installation of the kit components (Vehicle Control Module, Charging Module, High Voltage cables and dielectric coolant) and connection of the equipotential bonding network

Electrical activities included:

  • Connection and testing of looms
  • Loading of software and firmware onto the modules
  • Full sensor and switch function checking
  • Module calibration checking including vital testing of the E-Stop
  • Functionality checks on the DCDC converter, first activation of inverters and initial running of the drive train. Finally culminating with a battery charge

All checks included detailed data logging ensuring the system’s safety.

All the E-Kit components – MAGELEC propulsion power train, BrightLoop DCDC12L converter and Marelli Power Box – performed well, as expected.
Following the completion of the static integration, with the support of WAE’s engineers and technicians, the team moved to Great Tew test track for a dynamic shakedown, during  which the car was pushed to the limit. It completed over 300 km, proving itself to be both safe and reliable.
Before wheels turned, the High Voltage system was signed-off and safety critical operation guidelines were established.

On track test activities included:

  • Throttle pedal calibration
  • Power arbitration, push to pass and pit limiter test
  • Recharging using Enel X charger and Lauda chiller in different environments, including the rapid recharge function from 9% to 98%
  • A baseline full speed run with Traction Control off
  • An important dynamic test of the E-stop safety system ensuring the running car comes to a controlled rapid stop
  • A dedicated day assigned to tyre testing with the use of the Speed over Ground sensor

“As a result of COVID, it has been a long wait, but we are finally able to move ahead,” said Maurício Slaviero, head of ETCR project for the WSC Group. “We are delighted that the integration of the Hyundai Veloster N ETCR, the very first car, was successfully completed which enables us to follow the integration process with the Ferraris, Alfa Romeo and the CUPRA between the end of October and beginning of November. The MG is expected to be completed by early December and these are the cars that will be submitted for the homologation procedure. Once completed, each manufacturer will be able to produce individual racing cars for the different championships.”

“We are delighted that the physical testing phase of the programme with the Hyundai Veloster N ETCR has gone so well,” said Alec Patterson, ETCR senior programme manager at WAE. “It validates all the preparation work the engineers completed in the digital environment and on the electrical lab car beforehand. The teams now head to Italy for further track testing, allowing them to correlate their analysis tools in a simulated race environment, optimising all the electrical systems prior to final delivery of the batteries for the start of the programme in 2021.”

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