How programmable power supplies are being used to test heating and cooling systems for electric cars
Electric and hybrid vehicles use high voltage batteries in the range of 300 to 400Vdc to power the motor. Unlike petrol and diesel cars, an electric heater has to be fitted as there is no engine water cooling system. An air conditioning unit also has to be installed. Both of these are fed from the high voltage battery.
To test the electric heating and air-conditioning units, one manufacturer is now using TDK-Lambda Genesys™ programmable power supplies, recommended by a distribution partner. The GEN-600-25-IS510 model was suggested, capable of delivering 15,000W with a variable voltage of 0 to 600V. This allows testing to be performed to simulate the operating battery voltage of the electric vehicles. The IS510 option allows the output voltage to be programmed via an isolated analogue interface.
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