Mar 3, 2008 · Abstract: Medium voltage AC machines fed by high-power inverters operate at a low switching frequency to restrain the switching losses of ...
Fast Dynamic Control of Medium Voltage Drives operating at Very Low Switching Frequency – an Overview. Joachim Holtz, Fellow, IEEE, and Nikolaos Oikonomou ...
Medium voltage AC machines fed by high-power inverters operate at a low switching frequency to restrain the switching losses of power semiconductor devices.
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Control of Medium-Voltage Drives at Very Low Switching Frequency
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A fast controller is introduced: it eliminates harmonic excursions that occur when the operating point changes. Rather than the stator current, the method ...
Optimal pulsewidth modulation reduces harmonic distortion. It permits operation at very low switching frequency and reduces the switching losses. This increases ...
Overview of Low Switching Frequency Control of High Power Three-Level ...
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This paper presents detailed discussion on PWM modulation method, system modeling, current sensing and current control with low witching frequency in the ...
The switching frequency should be as low as possible due to the power losses and it is usually limited to a few hundred hertz. Normally, special modulation ...
Fast current control for low harmonic distortion at low ... Fast Dynamic Control of Medium Voltage Drives Operating at Very Low Switching Frequency—An Overview.
The Load Commutated Inverter (LCI) operates with variable machine voltage and frequency, switching the DC current to the machine winding. In this system ...
Abstract—This paper presents a high-speed and high-dynamic variable frequency drive (VFD) based on the modular multilevel.