E-Powertrain Sensors

eRTS – e-Motor Rotor Temperature Sensor

The temperature sensor measures the rotor temperature close to magnets in e-Motors while using wireless signal transmission.

Benefits & Features

  • Accurate rotor temperature sensor (+/- 3°) to replace the current model-based approach embedded in the inverter (+/- 15°C)
  • Cost improvement by reducing temperature grades of magnet (less Dy)
  • More performance due to less derating
  • Increased reliability due to a better temperature control
  • Improved safety: more accurate torque control
  • Improved the temperature “History” monitoring (cold/hot restart, etc.)

Technical Information

Integrated in eRPS or as a standalone product

Signal transmission: wireless (patents pending)

+/- 3°C

Accuracy

< 5 s

Response time

Communication Interface to the vehicle: analog or digital

4.5 V – 5.5V

Operating supply voltage

-40°C – 150° C

Temperature range

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Sensors for Electric Vehicles

As the focus of global mobility increasingly shifts to electric vehicles, we developed new and innovative solutions to further ensure utmost road safety, both within and around every vehicle.

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