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Статті в журналах з теми "Осердя статора"

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Автор: Grafiati

Опубліковано: 30 травня 2022

Оновлено: 31 травня 2022

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1

Levytskyi, A. S., Ye O. Zaitsev, and M. V. Panchyk. "Assembly Defects Detection in the Stator Core of a Powerful Turbine Generator." Visnyk of Vinnytsia Politechnical Institute 156, no. 3 (2021): 47–53. http://dx.doi.org/10.31649/1997-9266-2021-156-3-47-53.

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2

Kensytskiy, O. G., V. A. Kramarskiy, K. O. Kobzar, and D. I. Hvalin. "STUDY OF EFFICIENCY THE DESIGN OF A STATOR CORE END ZONE OF TURBOGENERATOR." Praci Institutu elektrodinamiki Nacionalanoi akademii nauk Ukraini 2018, no. 50 (July 18, 2018): 56–62. http://dx.doi.org/10.15407/publishing2018.50.056.

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3

Levitskyi, A. S., Ie O. Zaitsev, and M. V. Panchik. "AUTOMATED DEVICE FOR MONITORING THE STATOR CORE OF POWERFUL TURBOGENERATOR." Tekhnichna Elektrodynamika 2021, no. 5 (August 16, 2021): 83–87. http://dx.doi.org/10.15407/techned2021.05.083.

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Анотація:

A device for automated control by the stator core of a powerful turbine generator (TG) during assembly and pressing at the manufacturing plant is proposed. Using the device, places in the core with a weakened solidity are determined. For this, at N points evenly spaced along the cross section of the stator core, the specific pressing pressure of special plastic elements, which are installed in the control cells of the additional pressure ring of the press, on which the core is assembled, is measured. During pressing, the elements are deformed, and their deformation depends on the degree of core defect (decrease in solidity) in the zone of which they are located. The sample will be deformed less, located in the zone of the largest defect, and most of all - in the zone where the defect is minimal. The pressure is measured using a flat metal membrane with a rigid center on which strain gauges are located at selected points. It is shown that the relative deformations in a flat membrane, which are measured by strain gages, depend on the value of the specific pressing pressure. Analytical relationships between the relative radial and tangential deformations and the specific pressing pressure have been determined. References 20, figures 5.

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4

Kensytskyi, О. H., D. I. Khvalin, and N. L. Sorokina. "REDUCTION OF HEATING NON-UNIFORMITY FOR LAMINATED STATOR CORE END OF HIGH-POWER TURBO-GENERATOR." Praci Institutu elektrodinamiki Nacionalanoi akademii nauk Ukraini 2018, no. 49 (March 9, 2018): 27–32. http://dx.doi.org/10.15407/publishing2018.49.027.

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5

Khvalin, D. I. "A New Shielding Efficiency of Stator Core End Packets of a Powerful Turbogenerator." Nuclear Power and the Environment 21, no. 2 (2021): 28–38. http://dx.doi.org/10.31717/2311-8253.21.2.3.

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Анотація:

On the basis of complex research the electromagnetic and heat processes by means of mathematical and physical simulation, the efficiency for a new constructive solution of stator core end zone of powerful turbogenerator is proved. A design that allows maximum reducing temperature of the stator end packet is proposed. In order to increase reliability of experimental data obtained with the help of scale physical model, as well as testing of constructed mathematical model, using the latest one “adjusted” to physical model, the numerous experiments for studying effectiveness of a tooth-slot configuration shields were carried out. The small difference of magnetic flux density values obtained by means of mathematical simulation from the experimental ones allows drawing a conclusion about the reliability of result. It is shown that use of physical simulation permits investigate the appropriateness of electromagnetic field distribution without exact quantitative indices of parameters and can be applied to research the quality comparison under certain changes of model. When constructing a mathematical model, an approach was used with the help of a consecutive logic transition from a simple model of machine central part to more difficult one of end zone, using the previous results in next allows obtaining the temperature distribution in difficult areas. The heat calculation for rated load condition of turbogenerator type TGV-500 with the help of mathematical model as well as comparison of these results with experimental data for a real generator analogous type and power are made. The differences of calculated and experimental values not exceed 7%. All data obtained by means of both simulation and natural experiment are corresponded to the same turbogenerator that in total makes reliability results of mathematical simulation not obtained in a real object by various reasons of objective and subjective nature.

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6

Zaitsev, Ie O., and M. V. Panchyk. "REVIEW THERMOMETRIC METHODS CONTROL COMPRESSION STATOR CORE STATE OF POWERFUL TURBOGENERATORS." Praci Institutu elektrodinamiki Nacionalanoi akademii nauk Ukraini 2021, no. 59 (September 20, 2021): 86–92. http://dx.doi.org/10.15407/publishing2021.59.086.

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Анотація:

The article is devoted to the analysis of thermometric methods of control and diagnosis of the state of compression of the stator core of the turbogenerator (TG), which have found the greatest application. It is shown that ensuring effective and high-quality control of powerful electric machines, especially power plant generators, today is an integral part of ensuring the reliability and trouble-free operation of their work. As a result of the analysis, it is shown that ensuring high reliability of operation of the generating equipment is practically impossible without their equipping with modern means of control capable to work in real-time. Bibl. 34, fig. 4.

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7

Kuchynskyi, K. A., V. A. Kramarsky, and A. V. Khudyakov. "EXPERIMENTAL RESEARCH OF HEAT EXCHANGE IN AXIAL CHANNELS OF TEETH OF THE CORE OF THE STATOR OF A TURBOGENERATOR." Praci Institutu elektrodinamiki Nacionalanoi akademii nauk Ukraini, no. 53 (August 28, 2019): 35–38. http://dx.doi.org/10.15407/publishing2019.53.035.

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8

Kuchynskyi, K. A., V. O. Titko, M. S. Hutorova, and V. A. Mystetskyi. "MECHANICAL AND VIBROMECHANICAL CHARACTERISTICS OF THE PRESSURE FINGERS AND PLATES OF THE STATOR CORE OF THE TURBOGENERATOR." Praci Institutu elektrodinamiki Nacionalanoi akademii nauk Ukraini 2017, no. 48 (November 1, 2017): 82–87. http://dx.doi.org/10.15407/publishing2017.48.082.

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9

Levytskyi, A. S., I. O. Zaitsev, and A. M. Smyrnova. "ELASTIC SENSITIVE ELEMENT FOR FORCE TRANSDUCERS OF THE EFFORT IN THE POWERFUL TURBOGENERATORS STATOR TIGHTENING PRISMS CORE." Praci Institutu elektrodinamiki Nacionalanoi akademii nauk Ukraini 2018, no. 49 (March 9, 2018): 32–39. http://dx.doi.org/10.15407/publishing2018.49.032.

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10

Kensytskiy, O. G., V. A. Kramarskiy, K. O. Kobzar, and D. I. Hvalin. "STUDY OF DISTRIBUTION THE ELECTROMAGNETIC FIELD AND TEMPERATURE IN A STATOR CORE END ZONE OF TURBOGENERATOR." Praci Institutu elektrodinamiki Nacionalanoi akademii nauk Ukraini 2018, no. 51 (October 24, 2018): 47–53. http://dx.doi.org/10.15407/publishing2018.51.047.

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11

Levytskyi, A. S. "CONTROL OF EFFORTS IN TIGHTENING PRISMS OF CORE IN POWER GENERATORS WITH USING CAPACITIVE SENSORS." Praci Institutu elektrodinamiki Nacionalanoi akademii nauk Ukraini, no. 53 (August 28, 2019): 80–89. http://dx.doi.org/10.15407/publishing2019.53.080.

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12

Kuchynskyi, K. A., V. A. Kramarskyi, D. I. Hvalin, and V. A. Mystetskyi. "STUDY OF PHYSICAL PROCESSES IN A TURBOGENERATOR END ZONE AT THE MECHANICAL DAMAGES OF STATOR CORE FASTENING." Praci elektrodinamiki Nacionalanoi akademii nauk Ukraini Institutu 2020, no. 57 (December 2, 2020): 65–72. http://dx.doi.org/10.15407/publishing2020.57.065.

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Анотація:

With the help of mathematical simulation of mechanical processes in the stator core fastening system of a powerful turbogenerator end zone obtained appropriateness of basic parameters changes at the break of clamp prisms heads of the stator core. It is determined that the sudden break of one or more clamp prisms leads to longitudinal oscillation of their other working heads and stiff connected with them press plate, accordingly. Although such oscillation is insignificant but propagates along the entire surface of the press plate with a maximum value in the break zone and subsequent decrease with distance from this zone and therefore can be detected with the help of existing vibration sensors by installing them on the press plate. It is possible to use a limited number of sensors due to the propagation of vibration along the entire surface of the plate. But because the vibration changes are insignificant, in this case, there is a complexity of control that requires the use of high-sensitivity sensors and great informative computing equipment. According to the sensors indices, it is possible to determine the number of breaks for clamp prisms heads of the stator core and the number of them working heads, accordingly. Besides, this effect can be used to diagnose the un-compression of the stator core tooth zone. Since one of the important ways to improve the control and diagnostics of turbogenerators is the detection, the presence of such knowledge will allow making the optimal decision for further measures. References 8, figures 8, tables 2.

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13

Kuchynskyi, K. A., V. A. Kramarsky, V. A. Titko, and M. S. Hutorova. "MECHANICAL CHARACTERISTICS OF THE TURBOGENERATOR STATOR OUTHANG AT VARIOUS OPTIONS OF FIXING AT A CORE END ZONE." Tekhnichna Elektrodynamika 2019, no. 2 (February 19, 2019): 34–37. http://dx.doi.org/10.15407/techned2019.02.034.

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14

Vygovskiy, O. V., D. I. Hvalin, and V. A. Mystetskyi. "THE CALCULATION OF REDISTRIBUTION A MECHANICAL FORCES AND VIBRATIONS IN STATOR CORE FASTENING SYSTEM OF NUCLEAR AND THERMAL POWER PLANTS TURBOGENERATORS." Problems of nuclear power plants' safety and of Chornobyl 30 (2018): 51–59. http://dx.doi.org/10.31717/1813-3584.18.30.6.

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15

Zaitsev, I. O., and M. V. Panchik. "Physical processes and their influence on the evolution of defects in the powerful generators stator core." Science and Education a New Dimension VIII(224), no. 27 (February 22, 2020): 81–84. http://dx.doi.org/10.31174/send-nt2020-224viii27-20.

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16

Zigern-Korn, Nataliya, and Taras Pribyshin. "Strategy of the development of the Republic North Ossetia-Alania: necessity and opportunity of use of the regime of the territory of a special organizational and legal status." Regionalnaya ekonomika. Yug Rossii, no. 1 (April 2018): 110–20. http://dx.doi.org/10.15688/re.volsu.2018.1.10.

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17

КОБАХИДЗЕ, Е. И. "NORTH OSSETIA IN THE SYSTEM OF THE SOVIET STATEHOOD: THE CONSTITUTION OF THE NOASSR OF 1978." Kavkaz-forum, no. 8(15) (December 15, 2021). http://dx.doi.org/10.46698/vnc.2021.15.8.004.

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Анотація:

В статье предлагается анализ Конституции Северо-Осетинской АССР 1978 г., отразившей этап развития ее государственности в советский период. Научное осмысление правовых аспектов истории Северной Осетии в статусе автономной республики, анализ ее места и роли в системе советской государственности во многом объясняет противоречия в реализации органами государственной власти республики функций политического самоуправления в эпоху «застоя» и «кризиса социализма». Анализ показывает, что декретированный ранней советской властью национальный суверенитет народов, населяющих советскую Россию, не нашел правового подтверждения в Конституции СССР 1977 г., на основе и в соответствии с которой были разработаны и приняты Конституции РСФСР и входящих в нее автономных республик, в том числе и СОАССР. Фиксация статуса автономной республики в качестве государственного образования без признания ее государственного суверенитета ограничивало пределы компетенции республиканских органов власти и управления и ставило их в фактическую зависимость от вышестоящих властно-управленческих структур даже в решении вопросов, отнесенных к ведению автономной республики. Все это вместе взятое превращало автономную республику в «квазигосударственное образование», высшие государственные органы которой действовали в режиме «местной власти». Противоречивые конституционные положения 1977-1978 гг., закрепленные в Основных законах СССР, РСФСР и СОАССР, стали одним из факторов деструкции советской власти и социалистической системы и последующего затем «парада суверенитетов» бывших автономных образований в пределах РСФСР. The article analyzes the 1978 Constitution of the North Ossetian Autonomous Soviet Socialist Republic, which reflected the stage of development of its statehood relevant to the Soviet period. Scientific comprehension of the legal aspects of the history of North Ossetia in the status of an autonomous republic, an analysis of its place and role within the system of the Soviet statehood largely accounts for the contradictions in the implementation by the republican state institutions of the functions of political self-government in the era of "stagnation" and "crisis of socialism". Analysis shows that the national sovereignty of the peoples inhabiting Soviet Russia, that was decreed by the early Soviet government, did not find legal confirmation in the USSR Constitution of 1977, on the basis and in accordance with which the Constitution of the RSFSR and its autonomous republics, including NOASSR, were elaborated and adopted. Fixing the status of the autonomous republic as a state entity without recognizing its state sovereignty limited the competence of the republican authorities and made them in fact dependent on the higher power structures even in resolving issues attributed to the jurisdiction of the autonomous republic. All this taken together turned the autonomous republic into a "quasi-state entity", the highest state bodies of which operated in the regime of "local power". Contradictory constitutional provisions of 1977-1978, enshrined in the Fundamental Laws of the USSR, RSFSR and NOASSR, became one of the factors of the destruction of the Soviet power and the socialist system and the subsequent “parade of sovereignties” of the former autonomous entities within the RSFSR.

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