Data Center Power Testing

From UPS Reliability
to HVDC and SST Resilience

End-to-end programmable power testing solutions for AI data centers covering grid simulation, UPS validation,
battery emulation, server power testing and stress testing. ActionPower is at full power together with you for AI innovation.

Evolving AI Data Center Infrastructure and Advanced Power Testing

Why Power Testing for AI Data Center?

Moving ahead from the current 415 VAC infrastructure towards the futuristic SST (Solid-State Transformer) backed on, the AI industry is constantly pursuing after improved PUE (Power Usage Effectiveness) both for service efficiency and regulatory requirements (i.e., EU AI Act, Regulation 2024/1689, California AB 222). New challenges are simultaneous encountered at the innovation frontier where new designs and prototypes of power system should be validated for their resilience and robustness by emulated disturbances - here steps in the programmable power.

Real-World Technical Challenges

Advancements of AI Data Center's designs and hardware infrastructures are all with objective to tackle the shifting real-world operating conditions to secure the system's consistent and reliable functioning. Below are the main technical challenges.

High Power Load Fluctuation

Power Quality and Stress Resistance

Infrastructure & Design Revolution

High-Power Load Transitions

Modern AI workloads exhibit millisecond-level GPU load transients, with fluctuations of 10%–190%. Training involves rapid load swings due to batch computation and cluster synchronization, while large-scale multi-node inference increasingly behaves like training because of communication latency.

Power Quality Issues

Data centers are facing a growing power quality challenges. Internally, even brief outages can trigger large-scale data center shutdowns; externally, highly interconnected grids and power-electronics-dominated systems increase the risk of cascading failures across the network.

Constant-Evolving Architecture

A full-architecture solution is emerging for data center power reliability. On the AC side, traditional UPS-based architectures remain a mature and widely deployed baseline, now being enhanced with additional buffering and resilience capabilities; on the DC side, OCP-aligned architectures are gaining traction.

AI Server and Data Center DC Load Simulator

Advanced DC load simulator exclusively introduced by ActionPwoer with high-dynamics and regenerative load synchronized into a single platform

PRL High-Dynamic Regeneratie DC Load Simulator

Exceeding OCP ORV3 standards with ultra-fast dynamic performance and high slew rate of 60A per μs while integrating regenerative load functioning against high-power AI DC load emulation testing, PRL is the unprecedented testing platform introduced by ActionPower.

Key Features

Modular 5U chassis with cabinet-level parallel scalability up to a massive 175 kW
Dual 80V and 1000V platforms dedicated to 50V/54V AI power nodes and 800V HVDC architectures
Ultra-fast transient tracking with a 60 A/μs slew rate and low-current overshoot of <3%
High-efficiency energy regeneration of up to 85%, sustaining >70.34% even under rigorous 1kHz dynamic testing
Built-in testing automation for EDPP, OCP, and OPP compliance via one-click USB file import

DC Load Simulator PRL

Featured Programmable Power for AI Data Center Testing

PRL DC Load Simulator by ActionPower for AI Data center testing

AC Source & Load

PRL AI DC Load Simulator
80V & 1000V Architecture, 175kW Maximum Power

"Uniting ultra-fast dynamics and regenerative efficiency in a single platform, the PRL perfectly emulates shifting AI power profiles while slashing testing costs by recycling energy back to the grid.

Check PRL DC Load Simulator

AC Source & Load

TITAN Series AC Grid Simulator
300 kVA ~ 10 MVA, 0~860 VAC

Replicate utility side disturbance for validating data center's resilience against unexpected interruption and response of UPS for switching to BBU-supported operation.

Check TITAN Grid Simulator

DC Source & Load

TITAN Bidirectional DC Power Supply
300 ~ 750 kW per Unit, AI load/BBU Simulator

TITAN DC matches the emulation of AI server load (AI load simulator) or backup-battery unit for back-to-back testing scenarios for switching capabilities and electrical characteristics.

Check TITAN AI Load/BBU Simulator

Battery Cycling

BTS Battery Cycler
Automated Testing Equipment (ATE)

Accelerated life cycle testing, dynamic operating conditions emulation, charge and discharge cycle testing - an all integrated automated testing equipment for AI BBU testing application.

Check BTS Battery Cycler

DC Load

ATLAS DC Programmable Electronic Load
DC Load

Simulate, measure, and validate the power consumption of AI microprocessors, GPUs, and data center servers with high precision and high-dynamic electronic DC load.

Review ATLAS DC Load

DC Source & Load

CORTEX Bidirectional Programmable DC Power Supply
3U 22kW, Rack-Mount

Rack-mount 3U 30kW unit with flexible scale-up options to match comprehensive AIDC testing covering load step validation, power cycling, BBU emulation and HVDC topology validation.

Check CORTEX DC Power Supply

DC Source & Load

NEXUS DC Module-Based High-Power Power Supply
Module-Based Cabinet System

Scale-up with module-based power architecture with finer steps and power density at both module-level within the cabinet and inter-cabinet, NEXUS is a versatile solution for AI data center testing.

Check NEXUS DC Power Supply

Applications by EUTs for AIDC

Discover ActionPower's programmable power and testing systems for AI data center validation

ActionPower's proven expertise in high-power testing projects along with our comprehensive AC/DC power sources and loads which are of powerful emulation capabilities match tightly with the requirements of AI data center testing.

Eliminating Downtime from In-Lab and R&D Stage

Validating confidently the UPS's (Uninterruptible Power Supply) capability and robustness against ride-through events and realistic grid disturbances and load transients. A grid emulator replicating sudden supply change from simulated grid conditions together with a downstream load simulating server rack apply for assessing the UPS's seamless switching capability between grid and backup modes.

Check UPS Testing Solutions

A testing architecture diagram for an Uninterruptible Power Supply (UPS). On the left, a TITAN Series Grid Simulator provides input power with grid anomaly and harmonics emulation. In the center, the UPS connects to a battery simulated by a TITAN Series Battery Simulator. On the right, the UPS output is connected to a TITAN AC Load Simulator featuring versatile CE RLC load emulation. Bullet points highlight scalable capabilities up to 10 MVA for the simulators.

Dynamic Cycling Test for Battery Backup Unit

ActionPower's DC power supplies are bidirectional and regenerative, with optional battery cycling software for validating BBU (Battery Backup Unit) characteristics through charge-discharge cycles that represents real-world data-center operation. The results support lifetime prediction and reliability assurance for mission-critical backup systems.

Check BBU Cycling Test Solutions

Battery Backup Unit Power Testing for AI Data Center

Workload Test for Battery Backup Unit

BBUs are supposed temporarily suppport the dynamic and shifting AI server and GPUs workloads during tripping the loss of voltage when unexpected utility shutdown happens, independent of what kind of power architecture the AI data center is built on like UPS-supported or HVDC system where no UPS is integrated. The BBU, operating during the outage and until the utlity recovery, should withstand the dramatic server current draw. DC load simulator applies to this test application.

Check BBU Workload Test Solutions

Architecture diagram of a UPS simulation system. On the left, a Grid Simulator provides 3-phase power to an Uninterruptible Power Supply (UPS) in the center. Above, a Battery Simulator Power Supply provides DC interaction to the UPS and supports dynamic SOC emulation and fault injection. On the right, the UPS sends AC output to a Regenerative DC Load Simulator. Both the battery simulator and the load simulator have regenerative connections feeding power back into the Utility Grid.

HVDC-Converter

Set up coupled testing environment with ActionPower's grid simulator and bidirectional DC power supplies for validating comprehensively AC–DC and DC–DC converters in hybrid data-center architectures. We assess its performance of conversion efficiency, control stability, and fault ride-through under weak-grid conditions, variable SCR, and harmonic distortion.

Check HVDC Converter Testing Solutions

Diagram illustrating a Battery Backup Unit (BBU) in an AI server data center HVDC architecture. On the left, utility grid power enters a CORTEX AC Programmable Power Supply. Power then passes through an AC/DC Rectifier to a 380V HVDC bus, which is connected to a Battery Backup Unit and notes a 400V-800V development path. On the right, the HVDC bus feeds into an ATLAS DC Electronic Load and a PRL Regenerative DC Load Simulator. Key technical specifications for the CORTEX, ATLAS, and PRL units are listed alongside each device.

HVDC-PSU Validation

Validating transient response, ripple suppression, fault protection, and recovery behaviour under ultra-fast GPU load swings and high peak-to-average ratios. We setup emulated HVDC operating environment with high-voltage TITAN series bidirectional power supply and ATLAS electronic load for tightly following up its performance as if in real-world modern AI infrastructure.

Check HVDC-PSU Testing Solutions

System diagram for testing an HVDC-PSU using a CORTEX DC Bidirectional Power Supply and an ATLAS DC Electronic Load

R&D for Futuristic Solid-state Transformer

ActionPower's programmable power supplies support Solid-State Transformer (SST) technologies in AI servers by providing the high-frequency, high-efficiency, and intelligent control necessary to manage the extreme power densities (50-100 kW per rack) and rapid, variable loads of modern GPU-intensive workloads.

Check SST Testing Solutions

A two-part power system diagram. The top section shows a power grid supplying 1k to 3k VAC to a standard transformer, which outputs ±400 VDC and 800 VDC OCP DC architecture to a GPU/CPU load. The bottom section illustrates the testing simulation architecture: an AC Source consisting of TITAN Series Grid Simulators connects to a central Solid-State Transformer, which is linked to a DC Source & Load consisting of TITAN Series Regenerative DC Power Supplies. Bullet points highlight the equipment's scalability up to 10 MVA/MW, grid anomaly emulation, 95% regenerative load efficiency, and a 500A/ms slew rate.

CONTACT US FOR AIDC TESTING SOLUTIONS

Product Inquiry

Specification-matching testing and simulation solutions need discussion of both parties. Actionpower welcomes you inquiry to study together with us about how we can automate your testing processes.

Send Inquiry

Trade Shows & Events

These are the upcoming events and places you can find ACTIONPOWER and talk with us face-to-face!

Check Events

Social Media

LinkedIn Twitter

All About ActionPower

Programmable Power & Testing Equipment

Profile Emulation & Advanced Solutions

Industrial Applications

Data Center Power Testing

From UPS Reliability
to HVDC and SST Resilience

End-to-end programmable power testing solutions for AI data centers covering grid simulation, UPS validation,
battery emulation, server power testing and stress testing. ActionPower is at full power together with you for AI innovation.

Evolving AI Data Center Infrastructure and Advanced Power Testing

Why Power Testing for AI Data Center?