Test Device for Electric Vehicle Grid Integration

A flexible laboratory infrastructure at the AIT SmartEST, called FlexEVELab, is used to test the AC and DC charging capabilities of electric vehicle and electric vehicle supply equipment. Two emulators, and a laboratory-wide communication layer are introduced. In combination, these make up an adaptive test environment, which is utilized to measure the electrical characteristics as well as the communication behaviour of a device under test according to the ISO 15118 and IEC 61851 standards. Various test cases are used to investigate the effects of a charging process on electric vehicle, electric vehicle supply equipment, and the power grid. Test data is presented to demonstrate the switching capabilities of the emulators a fast DC charging process at 960 V and 96 A.