Variable flux motor energy storage
Variable flux motor energy storage
© 2018 JETIR August 2018, Volume 5, Issue 8 Axial Flux
traditional radial flux motors where the conductors are arranged axially, in case of axial flux motor the electrical circuit- stator conductors and rotor bars are arranged radially because of topological changes. The working rule of axial flux induction motors is same as that of conventional radial flux induction motors[8].
A novel flywheel energy storage system: Based on the barrel
In this paper, a novel FESS is proposed form the configuration, material and its structure, and driving motor.The novel FESS uses all metal materials to achieve a lower cost; Based on the barrel type, the dual hubs combined flywheel is adopted to reduce the mass and obtain higher energy storage; The switched flux permanent magnet motor (SFPM) is used as
Classification of variable field permanent magnet motors
Variable magnetic flux motors have been proposed to achieve high-efficiency operation over a wide drive range ranging from high torque to high-speed.
WO2022046772A1
A turbine includes: a variable flux memory motor (VFMM) generator that converts an input kinetic energy of the turbine to electrical power; and a controller. The controller: monitors a power load on the VFMM generator or the input kinetic energy of the turbine; receives a signal indicating a change in the power load or input kinetic energy of the turbine; and changes a magnetization
Variable flux memory motors: A review
Variable flux memory motors (VFMMs) are a relatively new class of machine that affords one the ability to actively change a motor from a high torque/low speed device into a low torque/high
A Review on Variable Flux Machine Technology:
Variable-flux machine (VFM) concepts are found to offer new opportunities for improved machine design. This paper reviews the VFM technology. Three topologies, mainly the parallel hybrid...
Variable flux memory motors: A review
Variable flux memory motors (VFMMs) are a relatively new class of machine that affords one the ability to actively change a motor from a high torque/low speed device into a low torque/high speed
Electromagnetic torque and reactive torque control of induction motor
This paper investigates the decoupling and fast torque response for induction motor drives during vehicle operation with variable flux. A torque control method considering flux transient information is proposed, which takes the electromagnetic torque and reactive torque as state variables for modeling and feedback linearization control. Since the electromagnetic
A novel topology of drive & thermal model for variable
Later in 1995, the largest variable-speed, pumped storage power plant was built in Ohkawachi, Japan and comprised two 395 MVA units that allowed operating at 330 to 390 rpm. This variable-speed generator–motor had a cylindrical rotor with three-phase winding similar to that of an induction motor.
Analysis of a Novel Mechanically Adjusted Variable Flux
To solve this problem, a novel mechanically adjusted variable flux permanent magnet homopolar inductor machine with rotating magnetic poles (RMP-PMHIM) is proposed in this paper. The permanent magnet poles are rotated by an auxiliary rotating device and the
Development of variable magnetic flux motor suitable for
Variable flux memory motors (VFMMs) are a relatively new class of machine that affords one the ability to actively change a motor from a high torque/low speed device into a low torque/high speed
A bearingless flux-switching permanent magnet
As a motor, the speed-regulating range is limited, so its application in the fields of electric vehicles, high-speed machine tools, and flywheel energy storage is limited. 5–7 Fortunately, in the last decade, a variable flux memory
Sensorless control of a dual‐airgap axial flux permanent
This study presents the sensorless vector control of a dual-airgap axial flux permanent magnet (AFPM) machine optimised for use in flywheel energy storage system (FESS) applications. The proposed AFP...
Torque Pulsations in Variable-Flux Memory Motors
Variable flux memory motors (VFMMs) are a relatively new class of machine that affords one the ability to actively change a motor from a high torque/low speed device into a low torque/high speed
Analysis of a Novel Mechanically Adjusted Variable Flux
LI et al. : ANALYSIS OF A NOVEL MECHANICALLY ADJUSTED VARIABLE FLUX PERMANENT MAGNET HOMOPOLAR INDUCTOR MACHINE WITH ROTATING MAGNETIC POLES FOR FLYWHEEL ENERGY STORAGE SYSTEM 317 Drive motor Gear Fixed shell Fixed Pedestal shell Rack Shell Shell Fig. 3. Permanent magnet rotating structure
Journals by Dr Pragasen Pillay
A. Takbash and P. Pillay, "Magnetization and Demagnetization Energy Estimation and Torque Characterization of a Variable-Flux Machine," in IEEE Transactions on Energy Conversion, vol. 33, no. 4, pp. 1837-1845, Dec. 2018.
Processes | Free Full-Text | Dynamic Decoupled Current
A Metaheuristic Approach to Analyze the Techno-Economical Impact of Energy Storage Systems on Grid-Connected Microgrid Systems Adapting Load-Shifting Policies "Dynamic Decoupled Current Control for Smooth Torque of the Open-Winding Variable Flux Reluctance Motor Using Integrated Torque Harmonic Extended State Observer" Processes
Towards Sustainable Mobility: Optimal Flux Control of Drive
Abstract: In this paper, we present a deep reinforcement learning (DRL) approach for optimizing the efficiency of variable flux motors (VFM) during a simulated drive cycle through flux control
CN217590525U
The application discloses become magnetic flux motor energy storage test installation device includes: the upper part of the bottom box is welded with two tracks; the variable magnetic...
A proposal of a delta-type salient pole variable flux memory
Tsunata, R, Takemoto, M, Ogasawara, S & Orikawa, K 2019, A proposal of a delta-type salient pole variable flux memory motor having large flux barrier for traction applications. in 2019 IEEE Energy Conversion Congress and Exposition, ECCE 2019., 8913191, 2019 IEEE Energy Conversion Congress and Exposition, ECCE 2019, Institute of Electrical and Electronics
Adoption of Multiphase and Variable Flux Motors in
This paper investigates the incorporation of multiphase (MP) and variable flux (VF) permanent magnet motors to electric vehicles (EVs). A literature review is carried out first,
赵文良-山东大学电气工程学院
研究所电机与电器研究所学术身份教授,博导、硕导,齐鲁青年学者,山东省"泰山学者"青年专家,山东省"优青",江苏省扬州市"绿扬金凤计划"领军人才,山东大学青年学者未来计划,中国电机工程学会青年人才托举工程。IEEE Member,Associate Editors of IEEE TIE、CES TEMS,国际大电网委员会会员
A Review of Variable Flux Motors: Design, Control, and
To overcome this challenge, variable flux motors (VFMs) have recently been introduced as a high-speed alternative to permanent magnet motors. While extensive research has focused on the
Design and control of variable field permanent
It can be expected that a vehicle is driven by the HEM with less energy consumption owing to the variable field capability. Table I. Motor efficiency comparison. IPMSM HEM (Measured) HEM (3D-FEA) In this proposal, they
Design synthesis of hybrid stator type flux-switching
A hybrid stator type flux-switching bearingless permanent magnet memory motor (HSTFBPMM) was proposed; this not only solves the problem of friction in high-speed rotating machinery bearings, but also utilizes low coercivity permanent magnets such as aluminum, nickel, and cobalt that can be adjusted online by applying only instantaneous pulse currents, The true
Analysis and Preliminary Design of Variable Flux
Variable flux reluctance machines (VFRMs) are increasingly attracting research interest due to their magnetless and robust brushless structure. Under the modulation effect of the airgap permeance, the VFRM
Design and Research of Novel Variable Flux Memory Motor
This paper proposes a novel variable flux memory motor (VFMM) with series hybrid magnets. The proposed motor adopts a new permanent magnet arrangement. Y. Zhou, Y. Chen, and J. X. Shen, "Analysis and Improvement of a Hybrid Permanent-Magnet Memory Motor," IEEE Transactions on Energy Conversion, vol. 31, no. 3, pp. 915-923, 2016.
New axial flux PM less synchronous machine with
Now days, because of the advantages of disk-shaped structure of AFM, this topology is particularly suited for many applications such as wheel direct-drive motors [4], [5], [6], wind generators [1] and Flywheel energy storage systems [7]. For most modern industrial applications, the required features of electrical machines are as, proper shape
Analysis of a Novel Mechanically Adjusted
A novel mechanical variable-leakage-flux interior permanent magnet machine (MVLF-IPMM) is proposed for electric vehicles (EVs) in this paper, which employs a mechanical flux-regulating device and
Modelling and analysis of a novel
Compared with electrical variable flux techniques, the mechanical-variable-flux PM machines (MVF-PMMs), which can adjust flux effectively and conveniently, are presented and studied. In [11], a rotor can be extruded in the axial direction according to the rotation speed to control the aligned length between the stator and rotor, and the air-gap
A review on electrical motors energy use and energy savings
An energy audit that helps to identify motor energy wastages have been discussed extensively. As motors are the major energy users, different energy savings strategies such as use of high-efficient motor, variable speed drive (VSD), and capacitor bank to improve the power factor to reduce their energy uses have reviewed.
Energy management control strategies for
As a bidirectional energy storage system, a battery or supercapacitor provides power to the drivetrain and also recovers parts of the braking energy that are otherwise dissipated in conventional ICE vehicles.
6 FAQs about [Variable flux motor energy storage]
What are variable flux memory Motors (vfmms)?
Abstract: Variable flux memory motors (VFMMs) are a relatively new class of machine that affords one the ability to actively change a motor from a high torque/low speed device into a low torque/high speed device through the online control. With regard to the method of controlling flux, VFMMs are categorized in this paper.
What is a variable-flux flux intensifying machine (VFM)?
The Variable-Flux Flux Intensifying machines are found to be the state-of-the-art VFM technology available to-date. The paper also reviews the magnetization process in VFMs and relates this with the B-H curve of the magnetic material. The conventional PM machine mathematical model is adapted to represent the operation of VFMs.
Does a VFM have a flux adjusting mechanism?
Therefore, novel topologies and flux-adjusting mechanisms of the VFM have been proposed in recent years, and the VFM not only has the advantages of the traditional permanent magnet (PM) motor but also can effectively adjust its internal magnetic field [6, 7].
Do variable-flux machines offer new opportunities for improved machine design?
Modern applications demand challenging operation requirements from electrical machines. Variable-flux machine (VFM) concepts are found to offer new opportunities for improved machine design. This paper reviews the VFM technology.
What are mechanical-variable-flux PM machines?
Compared with electrical variable flux techniques, the mechanical-variable-flux PM machines (MVF-PMMs), which can adjust flux effectively and conveniently, are presented and studied.
Does MVF-IPM machine have a higher flux-weakening capability?
It can be seen that the MVF-IPM machine has a higher flux-weakening capability than the conventional machine regardless of states. Table 4. Comparison of flux-weakening capabilities in the conventional and MVF-IPM machines The corresponding efficiency maps are shown in Fig. 13, where the maximum torque per ampere (MTPA) control strategy is adopted.
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