How to Verify EVSE Charging Conformance

Scienlab Charging Discovery System
+ Scienlab Charging Discovery System

Accelerating EVSE conformance and interoperability testing with emulation

Accelerating the verification of electric vehicle supply equipment (EVSE) conformance with global charging standards requires using an electronic load to emulate the automotive battery. The global charging standards specify the behavior and communication between EVSE and electric vehicles (EV). The load can be used instead of an actual EV. During testing, the load is connected to an EVSE under test and configured for various specifications. Measurements include voltage, current, and decryption of protocols and charging adapters corresponding to various charging standards used worldwide.

This test system allows different AC and DC charging interfaces to be tested automatically. To ensure interoperability, the same setup is used to test communication protocols between a real EV and charging station and numerous combinations of EVs and EVSEs. The results of this testing inform quantitative decisions rather than just a pass / fail. Threshold limits must also be tested, and error cases emulated (for example, load dump test, which simulates power line break during charging) to fully test the EVSE.

EVSE charging test solution

EVSE charging test solution

Verifying EVSE charging conformance and interoperability requires performing various tests in accordance with worldwide standards. Comprising the Keysight Charging Discovery System and Keysight Charging Discover test software, the Keysight EVSE charging test solution provides an extensive test case library enabling automated testing of CCS, CHAdeMO, and GB/T.

 

You can use the Charging Discovery System in combination with Keysight's regenerative DC power supply. The bidirectional power supply can emulate an EVSE. It provides up to 30 kW per instrument in a small, high-density package, with regeneration returning 90% of power to the grid.

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