| Abstract |
A testbench for electric vehicle drives must be able to measure all parameters of these drives. For this the
testbench must fulfill all requirements of the drive relative to power, speed and torque and also to
thermal demands. The testbench at the Institute for Power Electronics and Electronics has the nominal
values of a continuous power of 100 kW and a continuous torque of 238 Nm. The testbench motor runs
up to a speed of 8,000 rpm. With gearboxes the speed or the torque can be increased. The testbench is
equipped with a measurement system for d.c. power, three phase a.c. power, speed, torque and
temperature. Also a special cooling and heating device for the testing of liquid cooled systems is
available. With this device a preheating of the test object is possible. |
