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Electromechanical devices such as motors, actuators, and pumps require a startup current that is much higher than the steady-state draw. Engineers must understand these devices' peak power requirements and duration and the interval between the peak power requirements for the devices to work optimally without interruptions. The power supply must handle transient demands associated with startup, including inrush current, motor starting, charging capacitors, and managing inductive loads.
To start a device without disrupting the output voltage, the test engineer needs a power supply that provides stable peak power. That stability prevents extended stress on the power supply’s internal hardware and ensures that no forced shutdown occurs during the test. The dynamics of the current-spike rise and fall time can be very rapid. As a result, the power supply needs to repeatedly provide peak power, and the duration between peaks becomes significant.
Powering up electromechanical devices requires a power supply with peak power capabilities. Peak power can exceed normal ratings for short periods without going into overcurrent mode. The Keysight E36150 Series power supply is well-suited for testing and powering up electromechanical devices that require a quick power surge. Its peak power-handling capability accommodates a short burst of load spikes from the device under test (DUT) for up to three times the maximum power rating at 2.4 kW. The maximum peak power output duration typically lasts for at least 7 ms.
Together with the advanced power control and analysis feature in Keysight PathWave BV9201B software, the power supply enables you to create complex waveforms. You can stimulate or load a DUT, capture the waveforms, and play them back to perform detailed analysis.
Additional resources for electromechanical device power-up
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