A review on protective relays' developments and trends

A Abdelmoumene, H Bentarzi - Journal of Energy in Southern Africa, 2014 - scielo.org.za
One of the most complex disciplines in electrical engineering is power system protection
which requires not only the proper understanding of the different components of a power …

Sensorless direct torque and flux-controlled IPM synchronous motor drive at very low speed without signal injection

G Foo, MF Rahman - IEEE Transactions on industrial …, 2009 - ieeexplore.ieee.org
This paper proposes a novel speed-sensorless direct torque and flux control scheme for an
interior permanent-magnet synchronous motor drive. The drive uses a new stator flux …

Overview of fundamental frequency sensorless algorithms for AC motors: A unified perspective

J Chen, X Yuan, F Blaabjerg… - IEEE Journal of Emerging …, 2022 - ieeexplore.ieee.org
This article uses the active flux concept to review fundamental frequency sensorless
algorithms for both induction and permanent magnet motors in one framework …

[PDF][PDF] Comparison of field-oriented control and direct torque control for permanent magnet synchronous motor (PMSM)

MS Merzoug, F Naceri - International Journal of Electrical and …, 2008 - academia.edu
This paper presents a comparative study on two most popular control strategies for
Permanent Magnet Synchronous Motor (PMSM) drives: field-oriented control (FOC) and …

A new frequency adaptive second-order disturbance observer for sensorless vector control of interior permanent magnet synchronous motor

AT Woldegiorgis, X Ge, H Wang… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
In this article, a new frequency adaptive second-order disturbance observer (FASODO) for
back electromotive force (EMF) and active flux estimation is proposed using the active flux …

“Active flux” DTFC-SVM sensorless control of IPMSM

I Boldea, MC Paicu, GD Andreescu… - IEEE Transactions on …, 2009 - ieeexplore.ieee.org
This paper proposes an implementation of a motion-sensorless control system in wide
speed range based on" active flux" observer, and direct torque and flux control with space …

An active flux estimation in the estimated reference frame for sensorless control of IPMSM

AT Woldegiorgis, X Ge, H Wang… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Active flux model of permanent magnet synchronous motors simplifies the model and eases
sensorless control implementation. However, incorporating the current model (CM) that …

Direct torque and flux regulation of an IPM synchronous motor drive using variable structure control approach

Z Xu, MF Rahman - IEEE Transactions on Power Electronics, 2007 - ieeexplore.ieee.org
To enhance high performance of an interior permanent magnet synchronous motor drive, a
nonlinear variable structure controller is proposed for the control of torque and stator flux …

Deadbeat direct torque and flux control for permanent magnet synchronous motor based on stator flux oriented

X Lin, W Huang, W Jiang, Y Zhao… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
Direct torque control (DTC) has become a widely acceptable alternative to field-oriented
control in permanent magnet synchronous motor (PMSM) drives. Deadbeat direct torque …

An adaptive sliding stator flux observer for a direct-torque-controlled IPM synchronous motor drive

Z Xu, MF Rahman - IEEE Transactions on Industrial Electronics, 2007 - ieeexplore.ieee.org
This paper focuses on performance improvements of the stator flux estimation for a direct-
torque-controlled interior permanent magnet synchronous motor drive. In this paper, an …