Log-in
Search
- Microchip Employees Only
- Developer Help
- Global
- What's New

Three-Phase Pulse-Width Modulation, Space Vector Modulation, Zero-Sequence Voltage, and That Darned Hexagon

Last modified by Microchip on 2024/01/15 19:43

If you have ever read any articles on Field-Oriented Control (FOC) of motors, chances are you've seen the following three things before. They are all aspects of three-phase Pulse-Width Modulation (PWM).

This phrase:
- SPACE VECTOR MODULATION (SVM)

These double-humped waveforms:

double humped wave forms

This hexagon:

The hex diagram

Unfortunately, many articles on FOC and three-phase PWM rush through an explanation of these basic concepts, and some even present incorrect or misleading information. If you want to improve your understanding of three-phase PWM, this section is for you.

Information contained on this site regarding device applications and the like is provided only for your convenience and may be superseded by updates. It is your responsibility to ensure that your application meets with your specifications. MICROCHIP MAKES NO REPRESENTATIONS OR WARRANTIES OF ANY KIND WHETHER EXPRESS OR IMPLIED, WRITTEN OR ORAL, STATUTORY OR OTHERWISE, RELATED TO THE INFORMATION, INCLUDING BUT NOT LIMITED TO ITS CONDITION, QUALITY, PERFORMANCE, MERCHANTABILITY OR FITNESS FOR PURPOSE. Microchip disclaims all liability arising from this information and its use. Use of Microchip devices in life support and/or safety applications is entirely at the buyer's risk, and the buyer agrees to defend, indemnify and hold harmless Microchip from any and all damages, claims, suits, or expenses resulting from such use. No licenses are conveyed, implicitly or otherwise, under any Microchip intellectual property rights.

Three-Phase Pulse-Width Modulation, Space Vector Modulation, Zero-Sequence Voltage, and That Darned Hexagon

Menu

Microchip Support