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Bidirectional DC

Bidirectional power systems can operate as either a DC source or load. This integrated approach features high dynamics enabling users to switch quickly between quadrants. Both modular systems and high power cabinets are available. When operating as a load each unit has power recycling technology. The inbuilt monitoring system synchronises with the grid and regenerates any excess DC energy back to the three phase mains supply.

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DC Sources

ETPS provide one of the most comprehensive selections of programmable DC sources on the market. Virtually any power, voltage or current requirement can be met. Adjustable power and resistance limits are offered in addition to standard CC and CV operation. Besides bench or laboratory units, our DC sources can be rackmounted or built as an ATE system controlled via a remote control interface. Modular designs are available which are easily expandable.

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DC Electronic Loads

DC electronic loads mimic the real world operating conditions for a variety of applications. Each unit can be built with analogue and computer interfaces to allow remote operation. LabVIEW drivers are also available for most product families to simplify integration into wider test systems. A comprehensive mix of voltage and current sink ranges are possible. Common operating features include OVP/OCP tests, front panel memory as well as CC, CV, CR and CP modes. In dynamic mode rise, fall and plateau times are adjustable. Grid-tied power recycling loads are available.

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Industry Sectors

Our people are experts at engineering bespoke systems for different industries. Having configured countless safe and compliant technologies, we are experienced leaders of electrical power supply and dynamic testing environments.

Case Studies

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Automotive & Motorsport

The Bloodhound LSR

With hopes of propelling themselves into the history books, Bloodhound LSR needed a power system to streamline their workshop testing. Read more

Energy Storage & Renewables

WMG Battery Research

When researching second life battery packs, WMG at the University of Warwick needed a DC-DC power system to help convert their goals into reality. Read more

Automotive & Motorsport


ETPS's fast and flexible approach to power systems makes us an ideal partner for Intertek Transportation Technologies. Read more

Latest News and Events

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News Article

Modular Regen Loads up to 3000V

The modular G5-REGEN has been released. The power recycling DC electronic load modules can be arranged in series, parallel or matrix configurations to 2MW/3000V at high currents. Read more

News Article

Free PV Simulation GUI

Do you regularly need to test PV inverters? All new LAB-HP (3kW-504kW) and LAB-SMP (1.2kW-2.4kW) DC sources feature a free PV simulation GUI to simulate a generator's MPP tracking in both V & I modes. Read more

We’ve powered the industry for over 20 years

In today's world, good customer service is in short supply. Our impressive history has been generated by positive people who convert their skill and energy into power systems that are built to last.

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