Power Electronics Test Systems & Instruments - NH Research (NHR)

DC Fast Charging Test Solutions

NH Research (NHR) provides modular, scalable test equipment that is ideal for DC fast charging applications. NHR’s test solutions also enable the testing and development of improved electric vehicle (EV) charging systems and solutions such as V2G, V2L, V2X and wireless. EV charging infrastructure is critical for the adoption and growth of electric vehicles (EV). As such, it is critical for EV charger manufacturers to find the right test solutions to reduce development time and enhance product performance.

Today, DC fast chargers now operate at higher voltage levels to accommodate faster charge times and larger batteries. NHR’s modular and scalable power enables you to test today’s technologies and expand for future test requirements. NHR’s 9410 Regenerative Grid Simulator is used to simulate the Grid or AC power source while NHR’s 9300/9200 Battery Emulator is used to emulate the high voltage battery or DC load.

NHR’s next generation battery emulation capability provides faster, scalable and more repeatable testing. NHR’s 9300/9200 Battery Emulator can safely emulate a DC fast charger, or a high voltage battery that can accept DC fast charging. Battery emulation dramatically reduces testing time, provides highly repeatable test results, and creates a safer test environment. The ability to emulate a wide range of vehicles, regardless of its battery characteristics and power levels, dramatically simplifies test.

Key Battery Emulation Features:

  • Battery emulation sinks & sources to maintain voltage regulation
  • Fast response times to emulate real world conditions
  • Source mode emulates Level 3 DC chargers
  • Regenerative load > 90% Energy Efficiency
  • Layered, built-in safety features

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Bi-directional DC Sources for DC Fast Chargers

Bi-directional DC Source & Battery Emulation

Bi-directional DC Source - NH Research (NHR)Using batteries as power sources for fast charger testing is extremely time-consuming and costly. Testing with batteries can delay projects, increase safety risks and hinder engineering productivity. As electrification is evolving to higher power demands, the ability to emulate a battery with speed and precision is critical. Battery emulation can substantially reduce test time, energy consumption and operating costs.

Charger, V2G, ESS & Grid-Tied Products

Regenerative Grid Simulator - NH Research (NHR)NHR‘s AC/DC Sources & Loads are ideal for testing EV chargers & the grid.

AC Source for testing inverters, V2G, ESS & grid-tied products

  • Regenerative Grid Simulator – Model 9410
  • AC Source with HiVAR (4 to 96 kW, Programmable 1, 2, 3 Phase) – Model 9420
  • AC/DC Load to simulate any inductive, capacitive, resistive load