Chroma offers an efficient and comprehensive solution based on the optional AC load capability of the Chroma 61815 Regenerative Grid Simulator (3U/15kVA, high power density). Two key technologies enable realistic, repeatable load simulation: User-Defined Waveforms (UDW) and advanced programming via List Mode.
Chroma’s EVSE Automated Test System (ATS) 8000 is built around in-house developed components, including the software platform, power sources and electronic loads, communication control unit, and other key modules. This supports test requirements for DIN 70122, ISO 15118-4, and ISO 15118-5 communication conformance as well as electrical parameter verification.
As electric vehicle (EV) technology advances, the on-board charger (OBC) has become a core module integrating power electronics and vehicle communications. Because architectures and protocols vary by OEM, test systems face varied and demanding requirements, especially in terms of real-time responsiveness and protocol handling.
As electric vehicle technology advances into the fast charging era, lithium-ion batteries face increasingly severe challenges regarding safety and lifespan under high-rate charging. One of the most critical concerns is the phenomenon of lithium plating—when the charging current is too high or the temperature is too low, lithium-ions fails to intercalate effectively into the anode and instead deposit as metallic lithium on the surface of the graphite.
At the CharIN Testival North America 2025, Chroma’s EV & EVSE charging test solution stood out among numerous international participants, winning third place in the test equipment category. This event is one of the world’s premier platforms for electric vehicle (EV) charging interoperability testing.
The Chroma 61815, a 3U/15kVA high power density grid simulator, addresses these challenges with versatility. It can function both as an AC source to simulate utility power and, with an optional AC load mode, mimic household appliances or other load characteristics.
Chroma has partnered with Altair, a global leader in computational intelligence, and Tron Energy to launch an advanced dynamic battery charge-discharge testing collaboration. This project aims to enable verification and enhancement of battery performance and lifespan through leading-edge equipment and precise simulation technology.
In the electric vehicle (EV) sector, our upgraded models now support charging current testing needs for 11kW bidirectional onboard charger (BOBC) systems, accommodating both 400V and 800V high-voltage platforms.
Chroma’s PowerPro 5 software, part of its comprehensive EV test system solution, features a Certificate Management Tool that allows users to load specific certificate files (*.p12, *.pem). Using designated OEM agreements and contract certificates, the software automatically performs public/private key encryption and decryption during the test to achieve the handshake and payment processes required for ISO 15118 PnC testing.
Chroma’s PowerPro 5 automated test software platform is now equipped with multi-threaded testing functionality and can simultaneously simulate up to four vehicles with identical or different communication protocols. Foothill Ranch,
