Flux-weakening control
WebJun 1, 2024 · Using field weakening, the strength of gap field can be reduced, which reduces the back-EMF for a given speed. The lower back-EMF constant (torque … WebDec 12, 2024 · In particular, while the working speed is increasing, the control must be able to command the reluctance motor under the maximum torque per ampere condition at first, into the flux-weakening region, and then on the maximum torque per voltage trajectory. To this purpose, a novel voltage control loop is presented in this paper.
Flux-weakening control
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WebSep 18, 2009 · In contrast to conventional flux-weakening control methods, an algorithm based on operation times (T0) of zero voltage space vector for permanent magnet synchronous motor (PMSM) is proposed. In this paper, the d-axis current (id) is derived from a fuzzy controller. The proposed strategy can achieve fast dynamic control performance … WebOct 28, 2024 · The simulation results show that the MTPA-flux weakening feedforward control strategy has better smoothness in mode switching than the look-up table-based …
WebFeb 22, 2024 · Above speed ω b is the flux weakening region, as the back electromotive force approaches the maximum voltage, flux weakening control is needed to maintain the voltage balance. The motor operates in the flux weakening region I and is restricted by both the maximum voltage and the maximum current, where it can output constant power (if … WebJul 2, 2024 · A PI-type load angle close loop controller is used to accelerate the dynamic torque response speed especially in the field weakening area. When the inverter output voltage is limited, the real feedback stator flux vector can not arrive the reference stator flux vector in one pwm period step.
WebJan 27, 2024 · The flux weakening region is determined by the angle between direction vectors along the constant torque and voltage decreasing directions in the d-q axis current plane. After identifying the flux weakening region, the current references are modified for flux weakening according to the direction vector and appropriate magnitude. WebOct 25, 2024 · The traditional flux-weakening control strategy degrades the control performance in a deep flux-weakening region due to the disturbance of the q-axis current. A new optimal operating area is proposed.
WebThe interior permanent magnet (IPM) synchronous motor is compatible with extended-speed-range constant-power operation by means of flux-weakening control. Flux weakening uses stator current components to counter the fixed-amplitude magnetic airgap flux generated by the rotor magnets, performing a role similar to field weakening in a …
WebDec 1, 2016 · This paper proposes a novel flux-weakening control algorithm of an interior permanent-magnet synchronous motor for ldquoquasirdquo six-step operation. The proposed method is composed of ... philip farrugiaWebInterior permanent magnet motor (IPMSM) was used as air conditioner compressor to reduce the power consumption and improve the performance of the system. Two control methods including maximum torque per ampere (MTPA) and flux-weakening methods were employed to increase the speed range of the air conditioner compressor. The present … philip farrugia randonWebFlux- weakening is based on a proper choice of the current space vector (both angle and amplitude ) based on the direct feed-back control of the amplitude of the reference voltage space vector... philip farrelly solicitorWebJan 27, 2024 · This paper presents a flux weakening control algorithm using a flux saturation model that takes cross-coupling into account. The determination of a flux … philip farnsworth ct obituaryWebMar 9, 2024 · Abstract and Figures This paper proposes an optimized flux weakening (FW) control strategy for interior permanent-magnet synchronous electric motor to address the critical issues that could... philip farquharson of invercauldWebFlux Weakening Control of Permanent Magnet Synchronous Motor with Losses Reduction Abstract: Permanent magnet synchronous motors (PMSM) are used in … philip farneyWebIn this paper, a robust flux-weakening control scheme of PM synchronous machines is studied. Based on a novel current control concept, a speed/flux-weakening controller … philip farley md