Electronic Speed Controller

The selected electronic speed controller (ESC) for the motor is the Cool Kosmik 200 HV made by Kontronik.  Kontronik is German company that specialise in the design of sensorless brushless drive systems.

Kosmik 200 HV ESC specifications:

  • 59 V max input voltage
  • 200 A (12 kW) continuous
  • 400 A (24 kW) peak
  • High efficiency
  • 250 g without cables
Kosmik 200 HV ESC

The controller is air cooled.  The 5 V fan that came with the controller was upgraded to a larger 12 V fan.  If heat becomes an issue after testing then there is the option to convert to liquid cooling by adding a liquid cooling block.