Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Yang, Qingxin"'
Publikováno v:
IEEE Transactions on Magnetics. 56:1-4
The magnetostriction of an electrical steel sheet (ESS) is the main cause of the electromagnetically induced vibration of power transformers. In order to analyze the magnetostrictive hysteresis property of an ESS, a model is established based on the
Publikováno v:
IEEE Transactions on Applied Superconductivity. 28:1-4
Inverter-fed induction motors generate large vibration and noise because of the Maxwell electromagnetic stress between stator and rotor, magnetostrictive stress of silicon steel and the harmonics in load current. On the vibration reduction study of m
Publikováno v:
IEEE Transactions on Magnetics. 54:1-4
In order to reduce the vibration of shunt reactors with gapped iron-core structure, accurate stress computation should be carried out. The magnetization and magnetostrictive anisotropy should be considered in the calculation. In this paper, the magne
Publikováno v:
IEEE Transactions on Magnetics. 53:1-4
Magnetically controlled saturable reactors (MCSRs) are widely used in high voltage power system, but they make larger vibration and noise than transformers and other types of reactors due to the gapped iron-core structure and magnetic saturation. The
Publikováno v:
IEEE Transactions on Applied Superconductivity. 24:1-4
Giant magnetoresistance (GMR) effect is a phenomenon that the resistivity of the magnetic material will be a huge variation with external magnetic field than without external magnetic field. The GMR sensor is more sensitive to magnetic field than oth
Publikováno v:
IEEE Transactions on Applied Superconductivity. 20:1102-1105
Considering nonlinear magnetization characteristic of switched reluctance motor (SRM), this paper describes a nonlinear model of SRM based on an improved least square support vector machine regression (LSSVR) algorithm optimized by grid-diamond searc
Publikováno v:
IEEE Transactions on Magnetics. 33:1928-1930
A feedforward neural network based on the wavelet transform which can be applied to the approximation of complex nonlinear functions is discussed. A wavelet neural network can establish an exact model through a self-adaptive procedure by learning inp
Publikováno v:
IEEE Transactions on Magnetics. 28:1252-1254
A direct coupling model is developed that can be used in analyzing the two-dimensional nonlinear transient magnetic field in electromagnetic devices excited by a voltage source. The relevant numerical method is presented for calculation of the dynami
Publikováno v:
IEEE Transactions on Magnetics. 27:4133-4135
The finite element analysis of the dynamic characteristics for the electromagnet of an AC contactor during its starting process is discussed. This is a coupled problem of electromagnetic fields, transient circuits, and mechanical movement. The parame
Autor:
Yang Qingxin, Yan Weili
Publikováno v:
IEEE Transactions on Magnetics. 26:579-581
A simplified eddy current model is used to analyze the effect of eddy current in a DC electromagnet core on the closing movement time of the armature. The dynamic characteristic of the DC electromagnet is then calculated by means of the finite-elemen