Pro ATE System Power Supplies

Overview

The Keysight RP7981A regenerative power system is a versatile single-output, bidirectional DC power supply with integrated safety features that safeguard users and test devices. The system's unique regenerative capability cleanly returns energy to the grid, reducing power consumption and cooling costs.

In addition, by combining source and load functions in a compact 5U-high package, the RP7981A conserves energy and optimizes floor space and integration time. The RP7981A delivers a fast, accurate, and integrated regenerative power system.

The RP7981A is part of the Keysight EV1003A HEV / EV power converter test solutions. Gain the confidence to deploy high-voltage, high-power solutions to meet the fast-paced, high-growth demands of the hybrid electric vehicle (HEV) and electric vehicle (EV) market. The RP7981A empowers you to do the following:

• Deliver output ratings of 500 V, ±180 A, 30 kW.
• Operate in two-quadrant mode as both a power source and regenerative electronic load.
• Emulate a high-voltage, high-power battery with programmable resistance up to 10.9 Ω.
• Maximize throughput with fast output speed and submillisecond command-processing time.
• Scale power up to 600 kW power or loading through a simple parallel connection.
• Reduce cooling and electricity costs with its eco-friendly, regenerative design.
• Conserve valuable rack space with its compact 5U-high size.

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Reduce Costs for Cooling and Electricity With an Eco-Friendly Regenerative Design

The RP7900's regenerative capability enables energy to flow back to the grid cleanly, saving on energy consumption and cooling costs while not interfering with the grid. When the RP7900 is sinking current, either from rapid down-programming of the output or from discharging an energy source like a battery, it automatically returns the excess power to the grid.

The regenerative operation is automatic, so it requires no programming. To safeguard your device under test, the RP7900 provides “anti-islanding,” which senses that the grid is live before regenerating power back to it. With greater than 80% efficiency, the RP7900 reduces energy consumption by using less electricity when sourcing or sinking. It also minimizes heat dissipation, which reduces the need for air conditioning when sinking.

Additionally, the RP7900 provides clean regenerative operation by keeping the total harmonic distortion to a minimum of 2% (typical) at full load to minimize interference with other electronics.

Continuously Source and Sink Current

The RP7900 can continuously sink up to 100% of its rated current indefinitely. The DC power supply's two-quadrant, bidirectional sourcing and sinking capability enables seamless, uninterrupted transitions between sourcing and sinking current without changing the power supply’s output characteristics or introducing disruptive behavior.

Accelerate Test Throughput with Industry-Leading Specifications

Shaving seconds or even milliseconds off test time can lead to significant savings for high-volume manufacturers, as throughput gains are a never-ending quest for test system designers. The RP7900 is a valuable tool for increasing throughput. It provides fast output speed, submillisecond command processing time (≤ 1 ms), and an output list capability to help you achieve significant throughput gains in your testing.