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Air gap eccentric analysis and fault detection of traction motor
To solve the problem of air gap eccentric fault of traction motor, the fault characteristic frequency is close to the fundamental frequency, and the...
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A Double Flux Magnetic Field Modulation Motor with Ventilation Slot and Uneven Air Gap
Magnetic field-modulated motors have the strengths of low speed, high torque, and high power density. However, the dual flux magnetic field...
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Primary parametric resonance, stability analysis and bifurcation characteristics of an axially moving ferromagnetic rectangular thin plate under the action of air-gap field*
The primary parametric resonance of a ferromagnetic rectangular thin plate with axial time-varying velocity in the air-gap field is researched....
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Controlling the Influence of an Asymmetric Air Gap in a Synchronous Electrical Machine on the Unidirectional Attractive Force
AbstractAsymmetry of the air gap in electrical machines impairs the output characteristics of both motors and generators. This asymmetry affects the...
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Multiple resonance of the ferromagnetic thin plate with axial velocity subjected to a harmonic excitation in an air-gap magnetic field
Studying the magnetoelastic coupling vibration of moving plates under the influence of complex air-gap magnetic fields is of theoretical significance...
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Magnetic-structure coupling dynamic model of a ferromagnetic plate parallel moving in air-gap magnetic field
Aiming at the air-gap magnetic field excited by wall armatures, Laplace’s partial differential equation of air-gap magnetic potential is achieved by...
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Effect of DC Electric-Thermal Aging on Space Charge Behavior in Oil Paper Insulation with Air Gap/Oil Gap
In order to understand the change characteristics of space charge in the oil paper insulation under the condition of air gap defect and oil gap...
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Research of AC and DC Discharge Characteristics of Rod-Rod Air Gap Under Low Temperature
As temperature decreases, the movement of molecules in air slows down, which is not conducive to the generation of impact ionization, so that the...
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Quantitative Analysis of Electromagnetic Torque Generation Mechanism in Axial-Flux Permanent Magnet Machine Based on the Air-Gap Field Modulation Theory
This paper proposes two axial-flux permanent magnet (AFPM) machines, i.e., NS and NN type, which all have the same stator and rotor structures but...
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Heat transfer in air-gap and thermal-fluid coupling field of a large-scale turbine generator
With the capacities of large-scale turbine generators increase, higher electrical and thermal loads may cause higher risk of thermal faults....
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Calculation of Air Gap Electromagnetic Field of High-Speed Magnetic Levitation Linear Motor Based on Equivalent Current Layer
The linear synchronous motor (LSM) realizes energy conversion based on the air gap magnetic field between the stator and rotor, and the air gap...
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Optimal Calculation Method of Coil Impedance for Multi Pole Symmetrical Inductive Sensor with Uneven Air Gap
This paper proposes a calculation method for the self-inductive displacement sensor coil impedance based on the uneven change of the air gap area to...
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Analysis of Air Gap Coupling Phenomenon in Bi-stable Permanent Magnetic Actuator
The breaking and closing operation process of bi-stable permanent magnetic actuator (BPMA) is flexible and controllable, and can achieve the...
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Determination of the Air-Gap Distribution at the Cast Iron to Carbon Cathode Interface Using a 3D Scanning Approach
The electrical resistance of the cathode assemblyCathode assembly contributes to 8% of the 4.2 V operating voltage of a 400 kA reduction cellCell,...
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EMF Equations of Air Gap: Self- and Mutual Induction Reactances
We will consider the air gap emf equations given in ( 6.19 ). In the emf equations represented in (...
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Analytical Calculation of the Magnetic Field of a Synchronous Machine with an Uneven Air Gap
AbstractA method of conformal map** of the uneven air gap of a salient-pole synchronous machine onto a circular ring has been proposed. It is based...
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On Selecting the Air-Gap Value of a Magnetoelectric Valve Motor
AbstractThe influence of the air gap of a valve motor with permanent magnets on the sources of its vibration and noise of electromagnetic nature is...
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Switching Impulse Characteristics for Air Gap of Valve Hall at 2500 m Above Sea Level in ± 800 kV Ultra High Voltage DC Transmission System
In order to accurately obtain the internal design dimensions of the delivery valve hall of the ± 800 kV UHV DC project above 2500 m altitude. In the...
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Artificial neural network analysis on an axial flux permanent magnet generator having variable air gap and power regime
In the present study, an artificial neural network (ANN) design has been proposed to analyze and estimate the output quantities of a newly...
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Foundation forces caused by dynamic air gap torques of converter driven induction motors influenced by active vibration control: a theoretical analysis
In the paper, a theoretical analysis regarding foundation forces caused by dynamic air gap torques of converter-driven induction motors, influenced...
