A finite-element model for induction machines incorporating winding faults

Holik, P.J.; Holik, S. M.

doi:10.1049/cp.2010.0086

Cited by 5 publications

(3 citation statements)

References 4 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…The finite element analysis (FEA) is an accurate and widely applied method in the study and simulation of electrical machines [28]. With the numerical magnetic field analysis, features which can be difficult, expensive or even impossible to measure can be explored.…”

Section: Finite Element Methodsmentioning

confidence: 99%

Efficiency improvement in induction motor by slitted tooth core design

Yetgin

Turan

2017

Teh. vjesn.

View full text Add to dashboard Cite

Original scientific paper In this study, a new design was suggested in order to improve the performance of induction motors. In the proposed design, slits were applied in the middle of stator and rotor teeth. In these slitted models, the depth and width of slits were optimized with Finite Element Method Magnetics (FEMM) software using Finite Elements Method (FEM). To show performance improvement, suggested motor model and a reference motor model were compared at the rated operating point for the values such as input and output power, input current, power factor, efficiency and losses. Because of the decreases in both iron and copper losses, total losses in motor were reduced and the efficiency for rated operating point was improved by 1,869%. In the modelling, 3 kW squirrel-cage induction motor was used. Keywords: induction motor efficiency; motor losses; slitted tooth core design Porast učinkovitosti asinkronih motora pomoću dizajna jezgre s procijepljenim zubomIzvorni zanstveni članak U ovom istraživanju predložen je novi dizajn kako bi se poboljšala učinkovitost rada asinkronih motora. U predloženom dizajnu primjenjeni su procijepi u sredini zubi statora i rotora. U ovim procijepljenim modelima dubina i širina procijepa su optimizirani uz pomoć programa Magnetska metoda konačnih elemenata (FEMM) i koristeći Metodu konačnih elemenata (FEM). Za prikaz poboljšanja izvedbe, predloženi model motora i referentni model motora su uspoređeni u definiranim pogonskim tačkama za vrijednosti kao što su ulazna i izlazna snaga, ulazna struja, faktor snage, efikasnost i gubitci. Zbog smanjenja gubitaka željeza i bakra, ukupni gubitak u motoru je smanjen, a povećana je efikasnost za definiranu pogonsku tačku za 1,869%. U modeliranju korišten je 3 kW kavezni asinkroni motor.

show abstract

Section: Finite Element Methodsmentioning

confidence: 99%

Efficiency improvement in induction motor by slitted tooth core design

Yetgin

Turan

2017

Teh. vjesn.

View full text Add to dashboard Cite

show abstract

“…In order to use the accurate FEM to model an electric generator as a component of a larger electric and/or mechanical system, the magnetic-field equations of FEM must be solved along with the power-system's electric equations and the prime-mover's mechanical equations in a direct or an indirect approach. The direct approach means solving the FEM equations and the external systems equations simultaneously [6]- [8]. The indirect approach uses FEM to calculate the machine parameters to be used separately in state-space or lumped-parameter models [9]- [11].…”

Section: Introductionmentioning

confidence: 99%

Dynamic Phasor Finite-Element Modeling of a DFIG for Grid Connection Studies

Almozayen

Knight

2023

IEEE Open J. Ind. Applicat.

View full text Add to dashboard Cite

Co-simulation studies of electric power systems and electric machines have been always a challenge. In order to reduce the simulation time to a reasonable value, lumped-parameter Electric-Machines models are commonly used in electric power system modeling software packages to avoid the heavy computational burden of more accurate modeling methods especially Finite Element Method (FEM) on the expense of less accuracy. The proposed technique in this paper combines the Dynamic Phasor Modeling technique for power system simulations with FEM to accurately model the DFIG while connected to the grid. The utilization of dynamic phasors enables adopting large simulation time-steps resulting in a significant reduction in the simulation time compared to the conventional time-domain FEM modeling. The mathematical foundation of the proposed modeling method is presented including the generator's core saturation. Custom-written C++ codes have been developed by the authors to execute the new dynamic phasor FEM algorithm and the conventional time-domain FEM in order to fairly compare their accuracy and numerical performances. As the proposed method combines time and frequency domains, a unique capability of modeling the rotor movement can be achieved. The rotation can be represented by physically incrementing the rotor and airgap mesh as in regular time-domain solvers, by mathematically representing the rotation using the Virtual Blocked Rotor method as in frequency-domain solvers, and the proposed method of combining the two aforementioned approaches. The three methods of modeling rotor rotation are discussed and their simulation results are compared to give a guide to choose the proper method for the different modeling targets. The results show that the proposed dynamic phasor FEM is capable of producing comparable results to the traditional time-domain solver at a substantially reduced simulation time.

show abstract

“…Н. Кондель-Пермінова також аналізує ситуацію в умовах війни, систематизуючи дискурси щодо переосмислення довоєнної України та наповнення архітектури та дизайну новим змістом [2]. З'являються публікації, що висвітлюють проблеми спорудження соціального житла для мігрантів, біженців та тимчасово переміщених осіб [3]; проводиться аналіз прикладів доступного житла в світовій практиці та зазначається необхідність інтеграції в житловому утворенні різних типів житла [4]; досліджуються аспекти формування малоповерхової житлової забудови високої щільності [5]; висвітлюються причини утворення та особливості формування «кризової архітектури» та акцентується увага на важливості врахування міжнародного досвіду [6]; досліджуються зарубіжні тенденції «зеленої архітектури» [7].…”

unclassified

Formation of new post-war housing in Ukraine: analysis of foreign practical experience

Zosim

2024

CPAUP

View full text Add to dashboard Cite

The article provides an in-depth exploration of international practices in residential development, focusing on the Netherlands, Denmark, and the United Kingdom as case studies. It meticulously investigates the post-World War II evolution of residential architecture in these countries, highlighting pivotal aspects such as housing standardization, building typologies, material utilization in facade design, community engagement, and the influence of socio-political factors on shaping living spaces. Special attention is dedicated to the analysis of architectural-compositional and spatial-volumetric principles that define foreign residential structures. The paper thoroughly dissects these principles and trends, considering their alignment with each country's unique architectural traditions. Moreover, it systematically categorizes contemporary trends in Western European residential development, emphasizing the significance of compositional considerations and national idiosyncrasies in shaping post-war housing in Ukraine. The article underscores the critical importance of understanding contextual architecture and prioritizing human-centric design principles. It advocates for the integration of these guiding principles in shaping post-war residential architecture in Ukraine, promoting a balanced and people-centric approach to urban development. The author contends that these principles should serve as a guiding framework for the direction of new residential architecture post-war, fostering a cohesive and community-oriented urban environment that effectively addresses the needs and preferences of its inhabitants. The comprehensive analysis presented in the article aims to inform and inspire thoughtful approaches to residential development, encouraging a harmonious blend of international best practices with the rich architectural heritage of Ukraine.

show abstract

A finite-element model for induction machines incorporating winding faults

Cited by 5 publications

References 4 publications

Efficiency improvement in induction motor by slitted tooth core design

Efficiency improvement in induction motor by slitted tooth core design

Dynamic Phasor Finite-Element Modeling of a DFIG for Grid Connection Studies

Formation of new post-war housing in Ukraine: analysis of foreign practical experience

Contact Info

Product

Resources

About