Identification of nonlinearities of induction motor equivalent circuits with the use of the instantaneous power method

Zagirnyak, Мykhaylo; Rodkin, Dmytro; Romashykhin, Iurii; Rudenko, Nikita; Chenchevoi, Volodymyr

doi:10.1109/cpee.2016.7738721

Cited by 9 publications

(8 citation statements)

References 2 publications

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“…Literature [1,15] review revealed that the rotor resistive impedance is characterized by nonlinear variation due to the influence of current displacement effect and can be approximated by an even-power polynomial. In this case, the polynomial for the description of the rotor nonlinear resistive impedance can be limited to the second power with sufficient accuracy [15,16]:…”

Section: The Materials and Methods Of The Researchmentioning

confidence: 99%

“…In this case, the polynomial for the description of the rotor nonlinear resistive impedance can be limited to the second power with sufficient accuracy [15,16]:…”

Section: The Materials and Methods Of The Researchmentioning

confidence: 99%

“…IM EMP determination taking into consideration dependences (2) and (3) is possible with the use of the energy method. This method is based on the use of complete equations of balance of instantaneous power harmonics components of the power supply and all the consumers [15,17].…”

Section: The Materials and Methods Of The Researchmentioning

confidence: 99%

“…The paper [14] contains the structure of creation of identification equations and special features of their use for IM EMP determination. Improvement of the energy method is shown in [15] in the form of introduction of the rotor nonlinear resistive impedance into the equivalent circuit; it takes into account the effect of current displacement in the rotor.…”

Section: Literature Review and Problem Statementmentioning

confidence: 99%

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Refined calculation of induction motor equivalent circuit nonlinear parameters by an energy method

Zagirnyak

Rodkin

Romashykhin

et al. 2017

EEJET

Self Cite

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Section: The Materials and Methods Of The Researchmentioning

confidence: 99%

“…In this case, the polynomial for the description of the rotor nonlinear resistive impedance can be limited to the second power with sufficient accuracy [15,16]:…”

Section: The Materials and Methods Of The Researchmentioning

confidence: 99%

Section: The Materials and Methods Of The Researchmentioning

confidence: 99%

Section: Literature Review and Problem Statementmentioning

confidence: 99%

See 2 more Smart Citations

Refined calculation of induction motor equivalent circuit nonlinear parameters by an energy method

Zagirnyak

Rodkin

Romashykhin

et al. 2017

EEJET

Self Cite

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“…Under the modern conditions there is a necessity for development of heat models for the analysis of IG operation [2]. During the choice of the heat model it is necessary to take into account the conditions of the induction machine operation [3][4][5]. The analysis of literature [1,2] revealed that the thermal processes in IG are essentially influenced by steel losses.…”

mentioning

confidence: 99%

Analysis of the Special Features of the Thermal Process in an Induction Generator at High Saturation of the Magnetic System

Chenchevoi¹,

Romashykhin²,

Romashykhina³

et al. 2017

Elektroteh. elektromeh.

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Purpose. Development of the method for the assessment of the thermal operation modes of an autonomous electrical power system with an induction motor, aiming at improvement of the reliability of electricity supply and the quality of electric energy. Methodology. Induction generator mathematical modeling taking into account the magnetic system saturation was used in the research. A heat model taking into account the excess of the temperature of the induction generator units in the mode of high saturation was developed. The obtained results were compared with the experimental data. Results. The paper contains the solution to the problem of improvement of the mathematical model sand methods for steel losses determination in there search of the operation modes of an autonomous uncontrolled induction generator taking into consideration the properties of the magnetic system in the mode of high saturation. The expression for determination of steel losses in the mode of high saturation is obtained. It enables the assessment of the induction generator thermal condition. Originality. The analytical dependence for the calculation of the steel losses in the mode of magnetic system saturation has been obtained for the first time. Practical value. The obtained expression for the calculation of the steel losses can be used for determination of the admissible time of generator operation at overload. It will allow avoiding broken winding insulation and complete use of the generator overload capacity. As a result, it will reduce possible irregularities of electricity supply due to the generator preliminary cutoff. References 10, tables 2, figures 3. Key words: autonomous induction generator, magnetic system saturation, steel losses, thermal processes.Цель. Разработка методики оценки тепловых режимов работы автономной электроэнергетической системы с асинхрон-ным генератором с целью повышения надежности электроснабжения и качества электроэнергии. Методология. Для про-ведения исследований использовалось математическое моделирование асинхронного генератора с учетом насыщения маг-нитной системы. Разработана тепловая модель, которая учитывает превышение температуры узлов асинхронного гене-ратора в режиме высокого насыщения. Полученные результаты моделирования сравнивались с экспериментальными дан-ными. Результаты. В работе решена задача усовершенствования математических моделей и методов определения потерь в стали при исследовании режимов работы автономного нерегулируемого асинхронного генератора с учетом свойств маг-нитной системы в режиме высокого насыщения. Получено выражение для определения потерь в стали в режиме высокого насыщения, которое позволяет оценивать тепловое состояние асинхронного генератора. Оригинальность. Впервые полу-чена аналитическая зависимость для расчета потерь в стали в режиме насыщения магнитной системы. Практическое значение. Полученное выражение для расчета потерь в стали может быть использовано для определения допустимого времени работы генератора при перегрузке. Это позволит избежать повреждения изоляции ...

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Nonlinear Transformations with Fourier Series as Applied to Electrotechnical Problems

Chenchevoi

Serhiienko

Shendryk

et al. 2022

Lecture Notes in Networks and Systems

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Identification of nonlinearities of induction motor equivalent circuits with the use of the instantaneous power method

Cited by 9 publications

References 2 publications

Refined calculation of induction motor equivalent circuit nonlinear parameters by an energy method

Refined calculation of induction motor equivalent circuit nonlinear parameters by an energy method

Analysis of the Special Features of the Thermal Process in an Induction Generator at High Saturation of the Magnetic System

Nonlinear Transformations with Fourier Series as Applied to Electrotechnical Problems

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