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This paper proposes a new position sensorless control for interior permanent-magnet synchronous motor (IPMSM) drives fed by overmodulation mode pulsewidth modulation (PWM) voltage source inverter. It is attractive to expand the speed range of the IPMSM for application to electric vehicles, electrical household appliances, and so on. An overmodulation mode PWM voltage-source inverter makes it possible...
This paper proposes a new position sensorless control for interior permanent magnet synchronous motor(IPMSM) drives fed by over-modulation mode PWM voltage source inverter. Overmodulation mode PWM voltage source inverter makes it possible to solve some problems such as efficiency, wide speed range operation and so on. Most position sensorless control based on inverter output voltage knowledge, however,...
This paper proposes a new position estimation method for Interior Permanent Magnet Synchronous Motor(IPMSM) drives fed by over- modulation mode PWM voltage source inverter. It is being attractive to expand drive region of IPMSM to high speed range for application to electric vehicles, electrical household appliance and so on. Although over-modulation mode PWM voltage source inverter makes it possible...
The five-level PWM inverter has many advantages such as ability to operate the AC motors or the power compensator with very large capacity in nearly sinusoidal current waveforms. For these reasons, these applications have just begun to study. However, this circuit must provide four DC power supplies for supplying the active power. In this paper, we propose a novel double power supply method, in which...
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