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Confidently test your EV and EVSE charging innovations
Keysight EV and electric vehicle supply equipment (EVSE) charging test solutions ensure the safety, efficiency, and interoperability of electric vehicle charging systems. Perform real-time emulation of both EV and EVSE behavior, allowing for reproducible, independent testing without needing multiple physical devices. These solutions support high-power charging along with extensive compliance to all major global AC and DC charging standards, including CCS, CHAdeMO, GB/T, and more. Integrated communication and power analysis provides a holistic view, enabling synchronized measurement and decoding of communication signals alongside electrical parameters for rapid debugging. With a modular and scalable design, these systems are ideal for automotive engineers from R&D to end-of-line manufacturing. Request a quote for one of our popular configurations today. Need help selecting? Check out the resources below.
Real-time emulation
Emulate the communication or electrical behavior of an EV or EVSE critical to isolate issues, test fault conditions, and avoid the need for real vehicles or chargers in the lab.
Global standard compliance
Support all major global AC and DC charging standards, including CCS, CHAdeMO, GB/T, and more, coupled with automated test case libraries for testing conformance and interoperability.
High-power charging
Designed to handle ever-increasing power levels, up to 1200 kW, 1500 V DC, and 800 A DC, enabling testing for the latest and future generations of ultra-fast chargers and large battery packs.
Robust software
Create custom scenarios, automation of test case libraries, and real-time data visualization to accelerate development cycles, improve test efficiency, and validate complex charging behaviors.
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Applications
Charging communication and power test, Charging communication test
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Use cases
Emulation, Conformance, Analysis
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Supported standards
CCS, NACS, CHAdeMO, GB/T, Bharat, MCS
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Maximum power
400 kW to 2250 kW
Most popular configurations
EV – EVSE Charging Communication Interface Tester
Scienlab Charging Discovery System (CDS) Series
Scienlab Charging Discovery System – High-Power Series
Services and support
Innovate at speed with curated support plans and prioritized response and turn-around times.
Get predictable, lease-based subscriptions and full lifecycle management solutions—so you reach your business goals faster.
Experience elevated service as a KeysightCare subscriber to get committed technical response and more.
Ensure your test system performs to specification and meets local and global standards.
Make measurements quickly with in-house, instructor-led training, and eLearning.
Download Keysight software or update your software to the newest version.
Frequently asked questions
Electric vehicle supply equipment (EVSE) testing is of paramount importance for the successful widespread adoption and reliable operation of electric vehicles. EVSE charging testing is a foundational element for a safe, reliable, efficient, and user-friendly EV charging ecosystem. It's not just about delivering power; it's about ensuring a seamless, secure, and effective experience for EV drivers and a robust, compliant infrastructure for operators and manufacturers. Its significance can be broken down into several key areas:
- Guaranteeing safety: Verifying charging stations and vehicles are safely handling high power, preventing electrical hazards, thermal issues, and ensuring proper insulation and grounding.
- Ensuring interoperability: Testing whether vehicles from different manufacturers are able to charge seamlessly at various charging stations. This is crucial for user experience and widespread EV adoption.
- Verifying performance and efficiency: Are chargers delivering the advertised power and energy efficiently? Are charging times accurate and consistent?
- Meeting regulatory compliance and standards: Do charging solutions adhere to international and regional standards? This is vital for market access from region to region.
- Building consumer trust: Reliable and predictable charging experiences are key to overcoming range anxiety and encouraging EV adoption.
- Optimizing design and development: Testing helps identify and resolve issues early in the development cycle, reducing costly recalls and improving product quality.
Testing EV charging stations (EVSE) and the charging systems within electric vehicles is a multi-faceted process that involves a combination of electrical, communication, functional, and safety tests. This ensures interoperability, reliability, and safety across the entire charging ecosystem.
- Conformance testing: Verifying adherence to various charging standards and protocols (e.g., communication protocols like ISO 15118 for "Plug and Charge," and power delivery standards like CCS or CHAdeMO). This often involves protocol analyzers, power sources, and electronic loads.
- Interoperability testing: Ensuring that a wide range of EVs can successfully charge with a variety of EVSE from different manufacturers.
- Electrical safety: Checking for proper insulation, grounding, leakage currents, and protection against overcurrents and short circuits. This includes tests like ground continuity, earth leakage, and residual current device (RCD) tests.
- Power quality analysis: Measuring voltage, current, power factor, harmonics, and efficiency during the charging process to ensure stable and clean power delivery.
- Functional testing: Verifying that all operational features work correctly, including start/stop buttons, indicators, user interfaces, and communication with the backend systems.
- Thermal performance: Assessing how chargers and vehicle charging systems manage heat under various load conditions and environmental temperatures (e.g., using climate chambers).
- Cybersecurity performance: Evaluating the security of communication protocols, authentication mechanisms, and backend systems to prevent unauthorized access, data manipulation, or denial of service attacks.
EV charging infrastructure testing faces a complex array of challenges, largely stemming from the rapid evolution of technology, the fragmented nature of the industry, and the demanding real-world conditions under which these systems operate. Here are some of the common challenges:
- Lack of global standardization: While standards exist, variations and interpretations can lead to interoperability issues between different EVs and chargers.
- Complexity of communication protocols: The intricate communication between the EV, EVSE, and the grid (including backend systems like OCPP and smart grid protocols) requires sophisticated testing.
- High power levels: DC fast charging involves very high voltages and currents, posing significant safety challenges for testing environments and equipment.
- Evolving technology: The rapid pace of innovation in EV and charging technology means test solutions must constantly be updated and remain flexible.
- Simulating real-world conditions: Accurately replicating diverse environmental conditions, grid fluctuations, and vehicle charging behaviors in a controlled lab environment is complex.
- Cybersecurity risks: The increasing connectivity of charging infrastructure introduces vulnerabilities that require robust cybersecurity testing.
- Data management and analysis: Handling and interpreting the vast amounts of data generated during comprehensive testing.
EV charging testing involves adherence to a complex web of international and regional standards and protocols to ensure safety, interoperability, and a consistent user experience. These standards govern everything from the physical connectors to the intricate digital communication between the EV and EVSE.
- SAE J1772: North American standard for AC charging connectors.
- SAE J3400: North American Charging System (NACS), also referred to as Tesla connector.
- ISO 15118: International standard for vehicle-to-grid (V2G) communication, enabling "Plug and Charge" and smart charging features.
- IEC 61851: International standard for conductive charging systems.
- Combined Charging System (CCS): A globally adopted standard for AC and DC charging, combining J1772 (Type 1) or Type 2 with DC pins.
- CHAdeMO: A DC fast charging standard primarily used in Japan.
- GB/T: Chinese national standard for EV charging.
- Open Charge Point Protocol (OCPP): A widely adopted open protocol for communication between EV charging stations and a central management system.
- Open Charge Point Interface (OCPI): Enables roaming between different charging network operators.