Analyser ushers in test of three-phase power devices

Posted By : Mick Elliott
Analyser ushers in test of three-phase power devices

The IntegraVision family of power analysers from Keysight Technologies has been extended with the PA2203A 4-channel power analyser which gives R&D engineers working on three-phase power devices an intuitive tool that delivers the dynamic views they need to see, measure and prove design performance.

Like the Keysight IntegraVision two-channel power analyser, the four-channel entry provides 0.05% basic accuracy and 16-bit resolution measurements critical to identify and characterise incremental improvements in highly efficient electronic power conversion systems.

While the two-channel version has proven suitable for design and test of common home and office devices that use single-phase power, devices used in commercial and industrial settings frequently require three-phase power.

The IntegraVision PA2203A provides three-phase power measurements and analysis. It has four power channels in the same space-efficient package for fast, accurate design and validation of grid-connected devices, motors, and other high-power devices.

In addition, the instrument lets users visualise transients, in-rush currents and state changes with a 5Ms/s digitiser that captures voltage, current and power in real time with 2.5MHz bandwidth.

By eliminating the need for a scope to view power-line phenomena and time-varying performance, the power analyser streamlines measurement setup and reduces configuration time. Engineers can observe power consumption under dynamic conditions on the instrument’s 12.1-inch capacitive touchscreen with twice the viewing area of competitive models.

The IntegraVision PA 2203A streamlines three-phase device analysis with several unique capabilities:

  • On-screen wizard for step-by-step visual guidance to set up complex three-phase wiring
  • Choice of a delta (triangle) connection that wires between phases or a wye (star) connection that wires from a phase wire to a common neutral point
  • Phasor diagram to verify connections and analyse phase relationships

The instrument also offers external sensor inputs and 2-ARMS and 50-ARMS direct current inputs standard on all four power channels. The external sensor input supports current probes and transducers up to 10V full scale.

Wide-ranging, isolated inputs up to 1,000 VRMS (Cat II) enable engineers to address multiple test scenarios. The integrated data logger provides data capture for up to one year for offline analysis and archiving.

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