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Renewable Energy Testing
The energy infrastructure is changing in the automotive industry. Vehicle electrification creates significant charging demands on the grid. These changes are expanding the opportunity for energy storage with vehicle-to-grid (V2G) power applications. Variable renewable energy (VRE) and distributed energy resources (DERs) in the form of solar, wind, and battery storage are ubiquitous in global grid modernization initiatives to help meet the increased demand.
The evolution and increased complexity of the grid create significant test challenges for electric vehicle / electric vehicle supply equipment (EV / EVSE) charging and grid-edge applications. Keysight offers breakthrough grid simulation and AC / DC emulation test solutions to help your renewable energy innovations get to market faster, more safely.
Lower Cost of Test with Regenerative Power
Today's electric vehicles use 300 V to 800 V batteries. These high voltages bring higher costs and risks. Regenerative power provides a better way to test automotive batteries and their bidirectional electronics, with three benefits: heat reduction, simplified testing, and minimized rack space. The Keysight EV1003A power converter test solution for testing EV and hybrid electric vehicles (HEV) power conversion uses regenerative power to help you reduce cooling and electricity costs.
With sourcing (power supply) and sinking (electronic load) up to 2000 V, up to ±800 A, and up to 20 kW, it is the only commercial-off-the-shelf regenerative power system with integrated safety features that protect the devices under test and the engineers running the tests.
High-Power Grid-Edge Testing
Emulating High-Power AC
DERs are small-scale electricity supply or demand resources that are interconnected to the electric grid. Battery energy storage systems (BESS) in the DER store excess energy for use as needed. In the past, power flowed in one direction; today, it flows both ways with the help of advanced power converters and inverters. Highly digitized smart grids manage and optimize the energy distribution. Proper testing of converters and inverters in the power grid is necessary to ensure safety and performance for inverters, converters, controllers, and interconnections across complex DER networks.
Keysight’s SL1200A Series Scienlab regenerative three-phase AC emulator handles up to 1,200 voltage alternating current (VAC). The emulator allows for a high voltage ride through (HVRT) testing without needing a large, complex test setup.
Explore the AC Emulator Solution
Simulating Photovoltaic Arrays
What is MPPT, and how can you test MPPT algorithms?
Maximum power point tracking (MPPT) is a technique to ensure a solar inverter operates at its maximum power point as often as possible, despite varying weather conditions.
Developing and verifying the performance of MPPT algorithms and circuits used in inverters is challenging because MPPT algorithms are complex. Under-the-sun testing with varying temperatures and irradiance conditions gets complicated and expensive, if at all possible.
As inverters increase in power, the size of the test array becomes unmanageable. The greater number of inputs on a single inverter drives an exponential increase in test complexity. A laboratory test solution that can simulate one-to-many real-world solar array strings is the only practical test method to overcome this challenge.
Download Application Note
More Test Solutions Supporting the Renewable Energy Ecosystem
EV Battery Test Solutions
Comprehensively and reliably test battery cells, modules, packs, and battery management systems (BMS) for battery energy storage systems. Combined with Keysight's Scienlab Energy Storage Discover (ESD) software, our battery test systems help you run customized performance, function, aging, and environmental tests. The ESD software includes standards compliance and conformance tests such as ISO, DIN EN, and SAE.
Automotive Power Electronics Test Solutions
The focus on carbon emission reduction drives demand for efficient power systems, requiring new wide-bandgap devices based on silicon carbide (SiC), and gallium nitride (GaN). Keysight offers a comprehensive range of automotive power testing solutions for high-power conversion test applications.
“We were using manual measurement methods to test our DC-DC converters and the turn-around-time (TAT) was simply too long and incurring high re-current costs. Keysight’s team proposed an automated parallel testing method that could measure 4 DUTs simultaneously. This greatly reduced our test TAT and helped us save on resources while improving test efficiency.”
LEADING Automotive OEM, Japan
“When our customers started asking for higher-power photovoltaic inverters, we found our existing tools were limited in terms of the voltage ranges. We also needed a customized maximum power point tracking GUI and a better and safer way to handle the much higher levels of thermal dissipation. We were impressed with Keysight’s commitment to address our needs with their new N8900 Series photovoltaic array simulation solution that helped our R&D team to verify their design and shorten our time to market.”
PHOTOVOLTAIC Inverter Manufacturer, Asia