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Demagnetization switch energy storage motor

Tolerance analysis of electrified vehicles on the motor demagnetization

This paper, from an energy efficiency point of view, proposes to analyze the tolerance ability of different electrified vehicles on motor demagnetization faults, via PMSM flux density degradation modeling, efficiency estimation and dynamic programming (DP) based powertrain energy management. The relationship between different demagnetization

Demagnetization Fault Diagnosis of Permanent Magnet

Reliable fault diagnosis and condition monitoring are essential for permanent magnet synchronous motor (PMSM) drive systems with high-reliability requirements. PMSMs can be subject to various types of damage during operation. Magnetic damage is a unique fault of PMSM and concerns the permanent magnet (PM) of the rotor. PM damage may be

Switching Inductive Loads with Safe Demagnetization

Switch vendors often include a graph in their datasheet to show the maximum inductive load versus inductive current that can be safely handled. Demagnetization Energy Equation 1 defines the energy stored in an inductive load, and Equation 2 defines the energy dissipated by the high-side switch: (Eq. 1) energy stored in a inductive load (Eq.

High-capacity magnetizing and demagnetization machine

The high-capacity magnetizing and demagnetization machine is composed of a control system, a single-phase voltage doubling capacitive conversion type power supply with quasi constant-current charge, an energy storage capacitor set, a composite electronic switch, a bit magnetic field coil and a plurality of safety protection systems.

(PDF) Fast Demagnetization and Vibration Reduction in Switched

The electric drive system, depending on the arrangement position of the motor, can be basically divided into two types: motor centralized drive systems and motor distributed drive systems [12][13

Minimum Suspension Loss Control Strategy of Vehicle-Mounted

In order to improve the energy storage efficiency of vehicle-mounted flywheel and reduce the standby loss of flywheel, this paper proposes a minimum suspension loss control strategy for single-winding bearingless synchronous reluctance motor in the flywheel standby state, aiming at the large loss of traditional suspension control strategy. Based on the premise

Hybrid energy storage system and management strategy for motor

1. Introduction. The high-performance servo drive systems, characterized by high precision, fast response and large torque, have been extensively utilized in many fields, such as robotics, aerospace, etc [1], [2].As the requirement for small self-weight and the demand for output precision grows higher, the direct-drive motor is gradually replacing the conventional

Review of Switched Reluctance Motor Converters and Torque

This paper presents a review of the most common power converters and torque ripple minimisation approaches for switched reluctance motors (SRMs). Unlike conventional three-phase AC motors, namely squirrel cage induction motors and permanent magnet synchronous motors, which require a typical three-phase inverter for operation, the switched reluctance

Reduced switch multilevel converter topology to improve

This paper proposes a reduced switch multilevel converter for switched reluctance motor (SRM). The proposed converter increase voltage across the winding, incorporate scalable structure, flexible voltage across the phases, with the reduced number of component count without employing extra capacitors, and delivers multilevel voltage. The performance of the SRM drive

Development and Operation Control of a Switched-Reluctance Motor

The hysteresis current controlled pulsewidth modulation scheme with hard freewheeling and the commutation angle dynamic shift controller are proposed to enhance the flywheel discharging generating performance. This paper presents the development of a switched-reluctance machine (SRM) driven flywheel system, its charging/discharging controls, and

An Integrated Switched Reluctance Motor Drive Topology

However, the excitation and demagnetization voltages are limited by the supply voltage in conventional SRM drives [15]. Given the availability of energy storage and a limited space envelop in PHEVs, the integration of the multi-level converter and energy storage systems is very practical and effective [16]-[19].

Fault Detection and Diagnosis of the Electric Motor Drive and

Fault detection and diagnosis (FDD) is of utmost importance in ensuring the safety and reliability of electric vehicles (EVs). The EV''s power train and energy storage, namely the electric motor drive and battery system, are critical components that are susceptible to different types of faults. Failure to detect and address these faults in a timely manner can lead

Faults and Diagnosis Methods of Permanent Magnet Synchronous

The permanent magnet synchronous motor (PMSM) is an important type of synchronous motor. Compared with the conventional synchronous motor, its stator is also the symmetrical three-phase windings, but for its rotor, a special-shaped rare-earth permanent magnet is used instead of the field windings [].This means that the motor has a simple

Reduced switch multilevel converter topology to improve

The reduced switch multilevel converter for switched reluctance motor (SRM) is discussed in this paper. This proposed converter boasts several advantageous features, such as increased voltage

Tolerance analysis of electrified vehicles on the motor demagnetization

Downloadable (with restrictions)! Due to possible overheat, abrasion or mechanical vibrations, demagnetization fault is inevitable in permanent magnet synchronous motors (PMSMs), which could greatly decrease the motor''s efficiency and hence an electrified vehicle''s performance. This paper, from an energy efficiency point of view, proposes to analyze the tolerance ability of

Modelling and comparative dynamic analysis due to demagnetization

Request PDF | Modelling and comparative dynamic analysis due to demagnetization of a torque controlled permanent magnet synchronous motor drive for energy-efficient electric vehicle | In this

Tolerance analysis of electrified vehicles on the motor demagnetization

As the motor demagnetization gets worse, the terminal battery SOC decreases to 0.63 compared with the original 0.71 when there is no demagnetization. Battery durability and longevity based power management for plug-in hybrid electric vehicle with hybrid energy storage system. Appl Energy, 179 (2016), pp. 316-328. View PDF View article View

Modeling of demagnetization processes in permanent

demagnetization proceeds. It has been proposed in a previous work [5] that the discrete pattern should be governed by the minimization of the magnetostatic energy. Such effects are of importance since they could lead to some misinterpretation of the demagnetization * Corresponding author : gerard lette@cea

On-Line Detection of Demagnetization for Permanent Magnet

Demagnetization in permanent magnet synchronous motor (PMSM), caused by high temperature or inverse magnetic field, may increase loss and torque ripple, and even degrade the system stability in severe cases. On-line detection can identify the incipient demagnetization of permanent magnets (PMs), as well as providing reference for subsequent

Demagnetization Fault Diagnosis of Traction Motor of New Energy

Download Citation | On May 12, 2023, Yuanfeng Niu and others published Demagnetization Fault Diagnosis of Traction Motor of New Energy Vehicles Based on Back-EMF Image Data with Improved AM-CNN

Analytical Modeling and Analysis of Permanent-Magnet Motor

Factors such as insufficient heat dissipation and excessively high temperature can easily lead to demagnetization of the PMs in permanent-magnet (PM) motors. As a result, the magnetic field distribution of the motor will not be uniform, producing fault harmonics and lowering the operational performance of the motor. An essential stage in the diagnosis of faults and the

A review of flywheel energy storage systems: state of the art

Thanks to the unique advantages such as long life cycles, high power density and quality, and minimal environmental impact, the flywheel/kinetic energy storage system (FESS) is gaining steam recently.

Modelling and comparative dynamic analysis due to demagnetization

The total tractive effort of an electric scooter can be represented by the combination of rolling force, aerodynamic drag, hill climbing force and the net acceleration force acting on it [26]. (19) F t e = F r r + F a d + F h c + F l a + F ω a Basically, the magnitude of tractive force moves the electric scooter forward imparted to the ground surface through the

Modelling and comparative dynamic analysis due to demagnetization

This economic and efficient design of the electric scooter driven by proposed PMSM motor is expected to Please cite this article as: C. Sain, A. Banerjee and P.K. Biswas, Modelling and comparative dynamic analysis due to demagnetization of a torque controlled permanent magnet synchronous motor drive for energy-efficient electric vehicle.

Design and Optimization of an Asymmetric Rotor IPM Motor with

In this paper, an asymmetric rotor interior permanent magnet (ARIPM) motor with high demagnetization prevention capability and robust torque performance is proposed. The key contribution of this paper lies in two aspects. On the one hand, a novel asymmetric rotor with a shifted magnet axis is proposed to improve the demagnetization prevention capability and

Extending the speed range of a switched reluctance motor using a

In this paper, a switched reluctance motor (SRM) with an auto-transformer like winding in each phase is presented. The new winding structure allows for fast demagnetization, which

Energy management control strategies for energy storage systems

This article delivers a comprehensive overview of electric vehicle architectures, energy storage systems, and motor traction power. Subsequently, it emphasizes different charge equalization

Design of Switched Reluctance Motor Power Converter for Electric

The superior performance of the power converter requires fast excitation and demagnetization functions, f s is the operating frequency of the switch. When the motor windings are used as storage H., Gao, F., Zhang, B., Ren, X.: New switched reluctance motor drive system for new energy vehicles. J. Electric Drive 48(07), 3–8 (2018

Demagnetization switch energy storage motor [PDF]

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