What is power hardware-in-the-loop (PHIL) testing?

PHIL testing connects real power hardware to a real-time simulation, enabling closed-loop evaluation of devices and controls under repeatable, simulated grid conditions.

Why is low latency important for PHIL?

Low latency reduces delay in the closed-loop connection between the simulator and the hardware under test, supporting more responsive and representative real-time testing.

Which AC/grid emulators support the low-latency PHIL upgrade?

The low-latency PHIL capability is available as an upgrade for all SL1200A Series regenerative AC/grid emulator models.

Can an existing SL1200A Series system be upgraded for low-latency PHIL?

Yes. Existing SL1200A Series systems can be upgraded, allowing users to add low-latency PHIL operation without replacing their AC/grid emulator.

What devices and applications can be evaluated with low-latency PHIL?

Typical applications include testing grid-connected converters, distributed energy resources, energy storage systems, EV and EVSE power electronics, and their associated controls.

What grid conditions can the system emulate?

The system can reproduce normal and abnormal grid conditions for evaluating functions such as voltage and frequency ride-through, power quality, and anti-islanding behavior.

Does the SL1200A Series support bidirectional power flow?

Yes. The regenerative, four-quadrant architecture can source and sink power and return energy to the facility grid, helping reduce energy consumption during testing.

How does low-latency PHIL complement automated grid compliance testing?

Low-latency PHIL adds real-time closed-loop capability to the test environment, while available sequencing and compliance software can help automate defined grid test procedures.

AC Emulators

Push the Limit of AC Grid Innovation

AC/grid emulators go beyond EV emulation, providing an all-in-one system for efficient testing of power electronic devices and grid-connected systems. Applications include EV and EVSE charging tests, renewable energy and energy storage system validation, and grid integration and compliance testing to standards such as IEEE 1547. Precisely emulate normal and abnormal grid conditions to evaluate functions such as voltage and frequency ride-through, power quality, and anti-islanding. A simple upgrade enables low-latency power hardware-in-the-loop (PHIL) operation on all SL1200A Series models, supporting real-time, closed-loop testing of grid-connected devices and controls. Bidirectional operation enables the system to source or sink power and regenerate energy back to the facility grid. Need help selecting? Check out the resources below.

Low-latency PHIL-ready

Upgrade any SL1200A Series model for low-latency PHIL operation. Enable real-time, closed-loop testing of grid-connected devices and controls without replacing your existing AC/grid emulator.

No external transformers

Flexible voltage ranges up to 1200 VAC without the external transformers, which simplifies test setups, saves valuable lab space, and ensures full performance at the specified voltage.

Dual AC and DC voltage ranges

Integrate both AC and DC voltage capabilities into a single device, becoming a versatile, all-in-one solution for testing low- and high-voltage standards without compromising valuable lab space.

Modular and scalable

Designed with modularity in mind to scale power output by paralleling multiple units to meet higher power requirements (up to 1.35 MW / 2.0 MVA) using an output combiner box and communication cable.