Flux-weakening control
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. WebFeb 24, 2015 · Moreover, smooth and automatic transition among constant torque control with MTPA, flux weakening control in region I and flux weakening with MTPV control in region II are achieved by the...
Flux-weakening control
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WebJan 29, 2024 · The simulation results show that the single current flux-weakening fuzzy ST-SMO algorithm has faster convergence speed in the variable speed and the variable load … WebJan 29, 2024 · The simulation results show that the single current flux-weakening fuzzy ST-SMO algorithm has faster convergence speed in the variable speed and the variable load of PMSM sensorless control system ...
WebNov 28, 2024 · The traditional flux weakening control strategy will have a sharp oscillation of d–q current during the weak magnetic acceleration phase. The improved field weakening control strategy can be smoothly … 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.
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. 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 …
WebField-weakening or flux-weakening is a technique for increasing the speed of an electric motor above its rating at the expense of reduced torque. Field-weakening is used for motor control in automation …
WebMar 12, 2024 · The conventional flux-weakening control algorithms will cause the series-winding PMSMs to enter the overmodulation region early and degrade the performance of the zero-sequence current suppression algorithm. In this paper, a new flux-weakening controller with a dynamic fundamental voltage limit (FW-DFVL) is designed for the series … green acres lawn \u0026 landscaping corpWebFor the flux-weakening control, the motor is excited within the current and voltage limits. To obtain the excitation currents, various control algorithms have been … flower knight girl codesWebMar 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... green acres lawn care servicesWebcontrol strategies [3] enables a wide flux-weakening range of operation and extends the application of the PMSM drives to several new areas formerly reserved to wound- ... flux-weakening operation ... flower knight girl balloon vineWebA big concern of flux-weakening control is a danger of permanent demagnetization of magnets. However, large materials such as Samarium-Cobalt, allows significant id … green acres lawn \u0026 tractor wichita falls yelpWebPermanent Magnet Synchronous Motors (PMSM) are widely used in traction purposes. It has the advantage of high efficiency, robustness, and good control characteristics. For the traction purpose, field weakening control is required to obtain wide speed operation. When the voltage reaches its maximum value, speed extension is possible by weakening the … green acres lawn furnitureWebMay 29, 2015 · This paper presents flux weakening control algorithm with maximum torque per ampere (MTPA) control for high speed operation of PMSM drive. IPMSM has been used due to the robust construction and... flower knight girl equipment