Calculating PMSM dq-axis parameters with a Precision Power Analyzer and Waveform Measuring Instrument

The Yokogawa WT5000 Precision Power Analyzer and DL950 ScopeCorder have a function to measure electrical angles. This function can be used to calculate the dq-axis parameters of PMSMs.
This white paper describe how to calculate dq-axis parameters along with actual measurement results using the WT5000 and DL950.

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DL950 ScopeCorder

Capture and analyze a wide variety of electromechanical signals and serial buses. High sample rate, long recording times, advanced triggers, and real-time analysis.

Power Analyzers and Power Meters

Yokogawa, the world's largest manufacturer of energy and power analyzers and meters, provides a broad choice of digital power analyzers to satisfy all requirements.

SL2000 High-Speed Data Acquisition Unit

The SL2000 is a high-speed, modular data acquisition system that combines the functionality of an isolated oscilloscope with the flexibility of a high-speed DAQ, ideal for design validation, ATE systems and operational testing. Compatible with all plug-in modules as the DL950, up to five DL950 and SL2000 units can be linked and synchronized.

WT5000 - Highest Precision

  • Up to 7 wattmeters / Modular
  • 0.01% of rdg + 0.02% of rng
  • DC to 1MHz
  • 4 motor inputs
  • Harmonics testing to 500th order
  • IEC 61000 compliance testing

Precision Making

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