Improve Accuracy and Safety in Motor-Drive Measurements

Modern motor drives used in EV traction inverters, aerospace actuators, and industrial systems operate with high voltages and fast-switching PWM signals.
Capturing accurate, repeatable measurements in these environments requires more than standard oscilloscope setups. This primer explains practical oscilloscope-based techniques for measuring voltages, currents, and power in three-phase motor-drive systems.
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What you’ll learn in this Primer:

  • Measure phase-to-phase voltages without compromising safety
  • Reduce common-mode noise in high-voltage inverter measurements
  • Capture clean PWM waveforms for power and efficiency analysis

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Get our practical guide to accurate, safe oscilloscope measurements on three-phase motor drives.
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Get more information about measuring real-world motor-drive systems powered by high-voltage PWM inverters

Practical Measurement Techniques for Three-Phase Motor Drives

Modern motor drives push measurement systems to their limits. From PWM inverter outputs to floating measurements and power analysis, choosing the right setup is critical. Our experts can help you select the right oscilloscope configuration, probes, and techniques to improve accuracy, safety, and efficiency in your motor-drive testing.
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Built for the Real Challenges of Motor-Drive Measurements

Tektronix 6 Series B MSO

Designed for complex, high-performance motor-drive analysis where accuracy is critical.

  • Low-noise architecture for clean PWM and switching measurements
  • High bandwidth and resolution for fast inverter signals
  • Flexible probing support for safe voltage, current, and power analysis

Tektronix 5 Series B MSO

A powerful and intuitive oscilloscope for everyday three-phase motor-drive testing.

  • High sample rate to capture fast switching behavior
  • Intuitive touchscreen simplifies setup and analysis
  • Reliable voltage, current, and power measurements for validation and debug

Would you like more information or talk to one of our experts? Fill in the form to be contacted.

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