Embedded Simple Excited Automotive Alternator Modeling using Magnetic Equivalent Circuits

2017 ◽  
Vol 7 (3) ◽  
pp. 1145
Author(s):  
Moufida Klach ◽  
Helmi Aloui ◽  
Rafik Neji ◽  
Mohamed Gabsi ◽  
Michel Lecrivain
Keyword(s):  
Numerical Method ◽  
Equivalent Circuit ◽  
Equivalent Circuit Model ◽  
Circuit Model ◽  
Saturation Effect ◽  
Equivalent Circuits ◽  
Resistive Load ◽  
Dc Excitation ◽  
Automotive Alternator ◽  
Excitation Winding

This paper presents the modeling by Magnetic Equivalent Circuit model (MEC) of a Simple Excited Automotive Alternator (SE2A) where DC-excitation winding is transferred from rotor side to statorone rather than in conventional automotive claw pole alternators, to overcome the disadvantages of the ring-brush system. Following the resolution of the MEC using Newthon-Raphson numerical method, the alternator performances at both no-load and under resistive load regimes is achieved considering the saturation effect. It has been found that alternator’s performances carried out using the proposed MEC are with closed proximity to experimental records on a built prototype of the considered alternator.

A Research and Analysis on Equivalent Circuit Model of Lead-Acid Batteries of Armored Vehicles

2014 ◽  
Vol 654 ◽  
pp. 119-123
Author(s):  
Kuang Cheng Li ◽  
Yan Liu ◽  
Zheng Liu ◽  
Huai Bin Yang
Keyword(s):  
Equivalent Circuit ◽  
Equivalent Circuit Model ◽  
Circuit Model ◽  
The State ◽  
Equivalent Circuits ◽  
Lead Acid Battery ◽  
Lead Acid Batteries ◽  
Armored Vehicles ◽  
Equivalent Circuit Models ◽  
Lead Acid

To analyze the operation of the lead-acid battery of armored vehicles and facilitate the measurement of the state parameters, we need to see the lead-acid battery as a plurality of ideal components and establish the corresponding equivalent circuit model and characterize it. This paper describes several equivalent circuit models of commonly used lead-acid batteries, on this basis, we give the equivalent circuit model of lead-acid batteries of armored vehicles, and to analyze the variables of equivalent circuits.

EQUIVALENT CIRCUIT MODEL OF Ca1-xYxTi1-xCoxO3 USING IMPEDANCE SPECTROSCOPY

2003 ◽  
Vol 17 (08) ◽  
pp. 339-346 ◽  
Author(s):  
RAJESH KUMAR KATARE ◽  
LAKSHMAN PANDEY ◽  
O. P. THAKUR ◽  
OM PARKASH ◽  
DEVENDRA KUMAR
Keyword(s):  
Electrical Properties ◽  
Impedance Spectroscopy ◽  
Equivalent Circuit ◽  
Equivalent Circuit Model ◽  
Circuit Model ◽  
Equivalent Circuits ◽  
Electronic Ceramics

Computer simulated complex immittance spectra of model equivalent circuits involving resistive and capacitive elements are calculated. A comparison of experimentally obtained complex immittance plots of the system Ca 1-x Y x Ti 1-x Co x O 3(x=0.05) with these simulated diagrams greatly facilitates the search for the most appropriate equivalent circuit representing the electrical properties of electronic ceramics.

An Equivalent Circuit Model for Vertical Comb Drive MEMS Optical Scanner Controlled by Pulse Width Modulation

2012 ◽  
Vol 132 (1) ◽  
pp. 1-9 ◽  
Author(s):  
Satoshi Maruyama ◽  
Muneki Nakada ◽  
Makoto Mita ◽  
Takuya Takahashi ◽  
Hiroyuki Fujita ◽  
...  
Keyword(s):  
Equivalent Circuit ◽  
Pulse Width ◽  
Pulse Width Modulation ◽  
Equivalent Circuit Model ◽  
Circuit Model ◽  
Comb Drive ◽  
Optical Scanner

scholarly journals A Novel, Improved Equivalent Circuit Model for Double-Sided Linear Induction Motor

Electronics ◽  
2021 ◽  
Vol 10 (14) ◽  
pp. 1644
Author(s):  
Qian Zhang ◽  
Huijuan Liu ◽  
Tengfei Song ◽  
Zhenyang Zhang
Keyword(s):  
Finite Element ◽  
Finite Element Model ◽  
Equivalent Circuit ◽  
Skin Effect ◽  
Equivalent Circuit Model ◽  
Element Model ◽  
Circuit Model ◽  
End Effects ◽  
3D Finite Element ◽  
Linear Induction

A novel, improved equivalent circuit model of double-sided linear induction motors (DLIMs) is proposed, which takes the skin effect and the nonzero leakage reactance of the secondary, longitudinal, and transverse end effects into consideration. Firstly, the traditional equivalent circuit with longitudinal and transverse end effects are briefly reviewed. Additionally, the correction coefficients for longitudinal and transverse end effects derived by one-dimensional analysis models are given. Secondly, correction factors for skin effect, which reflects the inhomogeneous air gap magnetic field vertically, and the secondary leakage reactance are derived by the quasi-two-dimensional analysis model. Then, the proposed equivalent circuit is presented, and the excitation reactance and secondary resistance are modified by the correction coefficients derived from the three analytical models. Finally, a three-dimensional (3D) finite element model is used to verify the proposed equivalent circuit model under varying air gap width and frequency, and the results are also compared with that of the traditional equivalent circuit models. The calculated thrust characteristics by the proposed equivalent circuit and 3D finite element model are experimentally validated under a constant voltage–frequency drive.

Mesh Dependency on a Partial Element Equivalent Circuit Model for an NI HTS Coil

2021 ◽  
Vol 31 (5) ◽  
pp. 1-5
Author(s):  
Chaemin Im ◽  
Geonyoung Kim ◽  
Jeseok Bang ◽  
Kibum Choi ◽  
Soobin An ◽  
...  
Keyword(s):  
Equivalent Circuit ◽  
Equivalent Circuit Model ◽  
Circuit Model ◽  
Mesh Dependency ◽  
Partial Element Equivalent Circuit ◽  
Partial Element

scholarly journals Synchronous Machine Winding Modeling Method Based on Broadband Characteristics

2021 ◽  
Vol 11 (10) ◽  
pp. 4631
Author(s):  
Yu Chen ◽  
Xiaoqing Ji ◽  
Zhongyong Zhao
Keyword(s):  
Equivalent Circuit ◽  
High Frequency ◽  
Equivalent Circuit Model ◽  
Black Box ◽  
Synchronous Machine ◽  
Circuit Model ◽  
Modeling Method ◽  
Experimental Results ◽  
Box Model ◽  
Impedance Curve

The accurate establishment of the equivalent circuit model of the synchronous machine windings’ broadband characteristics is the basis for the study of high-frequency machine problems, such as winding fault diagnosis and electromagnetic interference prediction. Therefore, this paper proposes a modeling method for synchronous machine winding based on broadband characteristics. Firstly, the single-phase high-frequency lumped parameter circuit model of synchronous machine winding is introduced, then the broadband characteristics of the port are analyzed by using the state space model, and then the equivalent circuit parameters are identified by using an optimization algorithm combined with the measured broadband impedance characteristics of port. Finally, experimental verification and comparison experiments are carried out on a 5-kW synchronous machine. The experimental results show that the proposed modeling method identifies the impedance curve of the circuit parameters with a high degree of agreement with the measured impedance curve, which indicates that the modeling method is feasible. In addition, the comparative experimental results show that, compared with the engineering exploratory calculation method, the proposed parameter identification method has stronger adaptability to the measured data and a certain robustness. Compared with the black box model, the parameters of the proposed model have a certain physical meaning, and the agreement with the actual impedance characteristic curve is higher than that of the black box model.

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