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Regenerative Programmable Power Supply

Versatile Platforms for Sustainable
and Enduring High-Power Testing

Conduct sustainable programmable power testing with low thermal stress and reduced energy cost
until megawatt and megavolt-ampere power rating with ActionPower's regenerative power architecture

Discover the Adantages of Regenerative Power Supply

Power Testing with Four-Quadrant and Regenerative Technology



Testing scenarios are getting more complex and demanding than ever keeping abreast of which the programmable power testing technologies are simultaneous evolving. Regenerative programmable power supplies are advanced systems with 4-quadrant operation capabilities, additionally functioning for sinking power or serving as programmable electronic load while recovering energy into local utility minimizing the thermal stress generated from the testing processes.

Key Advantages of Regenerative Programmable Power Supplies

  • Recovering Power Returned from Testing Sequence
  • Optionally Operating as Programmable Electronic Load
  • Low Thermal Stress and Reduced Thermal Management Cost
  • Enduring High-Power Testing with Reduced Energy Cost
regenerative programmable power supplies in cabinet architecture by ActionPower

Discover ActionPower's Regenerative Power Supply

Most of ActionPower's programmable power and ATE are built on regenerative architecture with 4-quadrant operation capability to streamline and facilitate your testing application offering source & load operation, low thermal and heat stress, and what's more important, covering power ratings from a few kW until tens of megawatts - saving your energy cost for versatile testing scenarios.

AC Regenerative Programmable Power Supplies

Comprehensive range of regenerative AC system in various architecture

Technical Advantages for Testing Scenarios

Use cases of regenerative AC programmable power supplies

ev powertrain energy testing
EV powertrain Testing
EV powertrain Testing

Regenerative AC power supply supports realistic emulation of grid conditions while recovering energy during bidirectional motor drive testing fulfilling high-power, long-duration EV powertrain validation.

renewable energy testing with regenerative ac power
Grid-Forming Inverter Test
Grid-Forming Inverter Test

Regenerative AC power supply supports realistic testing of grid-forming control strategies, including voltage source mode operation and energy exchange between distributed energy resources.

vehicle to grid power testing
Vehicle-to-Grid Validation
Vehicle-to-Grid Validation

Regenerative AC power supplies are ideal options V2G validation testing offering functions of fault condition injection and grid interaction emulation while recovering energy from test bench.

Power Hardware-in-the-Loop (PHIL)
Power Hardware-in-the-Loop (PHIL)
Power Hardware-in-the-Loop (PHIL)

Advanced regenerative AC power supplies with high-bandwidth bidirectional power exchange ideally matche the closed-loop real-time simulation of power systems in PHIL scenario.

DC Regenerative Programmable Power Supplies

From rackmount unit to high-power cabinet DC systems

Technical Advantages for Testing Scenarios

Use cases of regenerative DC power supplies

ev charger testing with EV battery pack simulator
EV DC Charger Testing
EV DC Charger Testing

Bidirectional and regenerative DC power supplies simulate EV battery pack during EV faster charger testing, combined with profile emulation software, the system recovers energy feedback with full-power functional and efficiency validation.

regenerative DC programmable power can sink power from PCS
Power Conversion System Test
Power Conversion System Test

Regenerative DC power supply supports bidirectional source & load operation by simulating ESS to verify PCS control performance, dynamic response, and power conversion efficiency.

AI Data center testing for UPS
AI Data Center UPS Test
AI Data Center UPS Test

Regenerative DC power supply emulates BBU profile in AI data center and validates the switching capability of UPS or in turn validating its charging capability while it is in under functional AC source.

AI Data center
Data Center HVDC Testing
Data Center HVDC Testing

Regenerative DC power supply simulates server-side load profile in synchronization with HVDC for testing the data center's architecture stability and reliability.

Applications of Regenerative Programmable Power Supply

electric vehicle icon
NEW ENERGY VEHICLE
electric vehicle icon
NEW ENERGY VEHICLE
Regenerative AC & DC power supplies are ideal for EV simulation and grid-interaction validation in EV industry.
Find Solutions
solar energy icon
RENEWABLE ENERGY
solar energy icon
RENEWABLE ENERGY
DERs should be validated with regenerative grid simulators for grid compatibility and code compliance validation.Find Solutions
data center icon
AI Data Center
DATA CENTER icon
AI Data Center
As data center are evolving to high power ratings, regenerative is preferred than ever during load simulation testing for AI industry.
Find Solutions

FAQs about Regenerative Power Supply

› What is a regenerative programmable power supply?
A regenerative programmable power supply is a bidirectional test system capable of both sourcing and sinking power, returning absorbed energy back to the grid instead of dissipating it as heat, enabling efficient and realistic testing of modern power electronics.
› How does a regenerative power supply feed energy back to the grid?
It uses an internal grid-synchronized inverter stage, typically based on an active front end (AFE), to convert absorbed DC or AC energy into synchronized AC power and return it safely to the utility grid.
› What is the difference between regenerative and conventional power supplies?
Conventional power supplies dissipate absorbed energy as heat through internal resistors or external loads, while regenerative supplies recycle energy back to the grid, significantly improving efficiency and reducing thermal stress.
› What types of devices require regenerative power supply testing?
Devices with bidirectional energy flow such as EV inverters, EV chargers, battery systems, PCS converters, UPS systems, and HVDC infrastructure require regenerative supplies for accurate functional and performance validation.
› What efficiency improvements can regenerative power supplies provide?
Regenerative systems can return up to 90–95% of absorbed energy to the grid, dramatically reducing energy consumption, cooling requirements, and operating costs compared to conventional load-based testing.
› How fast can regenerative power supplies transition between source and sink operation?
High-performance regenerative supplies can transition between sourcing and sinking modes within milliseconds, enabling accurate emulation of real-world dynamic load and energy flow conditions.
› Can regenerative power supplies replace electronic loads?
Yes, regenerative power supplies can function as both a programmable source and regenerative load, eliminating the need for separate electronic load systems in many test environments.
› Can regenerative power supplies be scaled to high-power applications?
Yes, modular regenerative systems can be connected in parallel to achieve scalable power levels from kilowatts to megawatts, supporting large-scale EV, renewable energy, and grid infrastructure testing.
› Why are regenerative power supplies essential for modern energy system testing?
Modern energy systems such as EV drivetrains, renewable inverters, and HVDC networks involve bidirectional energy flow, requiring regenerative supplies to accurately simulate real operating conditions.
› Are regenerative power supplies suitable for continuous and long-duration testing?
Yes, regenerative supplies are designed for continuous operation with reduced thermal stress, improving system stability, reliability, and long-term testing capability.

Contact Us for Regenerative Power Testing Systems

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