Flux-weakening control

Author: jqxd

August undefined, 2024

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 … WebFor PMSM, flux-weakening is realized by armature reaction, which is different from induction motor by reducing the flux directly. In flux-weakening range, armature …

Sensorless-FOC With Flux-Weakening and MTPA …

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. 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 … shanghai events 2021

An Effective Flux Weakening Control of a SyRM Drive Including …

WebIn this section the optimal flux weakening method, which lets the electrical machine generate maximum torque under the given current and voltage constraints, is described … WebJan 28, 2024 · Field oriented control allows the two components of current (d and q) to be controlled independently. Image credit: MathWorks. Field oriented control (also referred … WebA common objective for optimized field-weakening control is to maximize the PMSM’s efficiency while reaching the required torque. This is achieved by setting up torque-per-ampere (TPA) as the target to maximize and … shanghai everest

Increase Performance of IPMSM by Combination of Maximum ... - Hindawi

A novel flux-weakening control scheme based on the fuzzy logic …

WebIn order to simultaneously control the flux and torque, a decoupling circuitshould be used 4. This circuit is based ... Maximizing Field-Weakening Control: Design, Analysis, and Parameter ... WebMar 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... shanghai events tonightWebTorque control in field weakening region 50 using FOC has been investigated in Abu Rub et al. (2012). 51 The FW approaches can be categorized as: (i) variation of stator flux in inverse proportion to the rotor speed (1/ωr ); 52 (ii) feed forward reference flux generation on machine equations or machine models and (iii) closed loop control of ... shanghai evergreen agro chemical co. ltd

"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. " - Flux-weakening control

Flux-weakening control

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 ... WebOct 18, 2024 · The flux weakening control is carried out by introducing negative d-axis current into stator to reduce the. P = Number of pole KT = torque constant. The evolved torque is equilibration through load torque, accelerating torque and damping torque of the system and this mechnical equation can be showed as: dw.

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WebIn 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 … 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 …

WebFlux Weakening Control of Permanent Magnet Synchronous Motor with Losses Reduction Abstract: Permanent magnet synchronous motors (PMSM) are used in … WebInterior 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 …

WebFlux- 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 … WebMay 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...

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 …

shanghai evergreen agro chemical co ltdWebcontrol 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 ... shanghai everbright international hotelWebJul 2, 2024 · However, due to the inherent characteristics of PMSM, there are still some difficulties in applying ISC strategy, such as solving the load angle corresponding to the current torque, realizing the maximum torque per ampere (MTPA) control and flux weakening control method in the stator field oriented control algorithm of PMSM. shanghai evergreen printing machinery co. ltdWebFlux- 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... shanghai events calendarWebDec 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. shanghai eventsWebEven if flux-weakening is also adopted in the control of SM-PMSMs, IPMSMs are the machine where this topic has been most intensively investigated, especially in the … shanghai ewt internationalWeb2.3 Flux-Weakening Control for High Speed Operation IPMSM has a mechanically robust rotor structure that is effective in flux-weakening operation because it has low effective air gap. So, IPMSM can be operated not only in the constant torque region … shanghai everspring filtration