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Testing DC fast-charging parameters requires sinking very high power to emulate the behavior of an electric vehicle (EV) battery, contributing to high lab overhead costs for electricity and cooling required to dissipate the generated heat. DC fast chargers operate at 1,000 V or beyond, with outputs ranging from 15 kW to 350 kW or higher. EV charge speed depends on the charge rate of the charging station, the maximum power input the EV can handle, and the EV's charging curve. The charging curve tracks how much power it can take over time as it charges.
As new EV models are rolling out each year and DC fast-charging infrastructures are ramping up, engineers need a solution that can emulate an EV battery to test performance and interoperability of the charging station. Testing these high-power systems requires a system which can sink the power offered by the EV charging station, and which supports the communications protocols required to initiate and monitor charging. Software is also necessary to automate DC charging tests using different test standards and parameters.
Additional resources for testing EV fast chargers
Testing high-power electric vehicle (EV) battery packs requires emulation of its operating environment. Learn how to use analysis, emulation, and electrochemical impedance spectroscopy to ensure optimal real-world performance of high-power EV battery packs.
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Validating battery management system (BMS) circuits requires measuring the BMS system behavior under a wide range of operating conditions. Learn how to use a battery emulator to conduct precise, safe, and reproducible tests to verify the accuracy, functionality, and safety tests of your BMS.
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Validating electric vehicle (EV) battery modules requires testing each battery cell and module connection. Learn how to set up a test to emulate your module's source and sink, verify its performance in real-world scenarios, and measure its main electrochemical parameters.
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