What is the difference between Space Vector (SVPWM) and Sinusoidal Pulse Width Modulation (SPWM)? This article presents the advantages of the SVPWM technique over SPWM…
What is the space vector modulation technique (SVM) and how does it work? To answer these questions, this article introduces first the notions of active…
This note covers the rotor field-oriented control of an induction machine and its implementation on a user-configurable voltage-source inverter.
This technical note addresses the sensorless control of motor drives using a back-EMF sliding-mode observer. The technique allows speed and position estimation of a Permanent…
This note covers the I-f startup method for speed sensorless motor control and its implementation on a programmable power converter prototype.
This note covers the V/f control of an induction machine and its implementation on a programmable drive inverter.
Dead time is a brief non-conduction interval imposed across two complementary PWM signals to prevent a potentially damaging shoot-through inside the corresponding switching cell. Dead…
This technical note explains how to implement speed control for an electric motor. First, the note introduces the general operating principles of motor speed control,…
The Field-Oriented Control (FOC) method is a motor control strategy that orients the stator current vector in a rotating reference frame of the machine.
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