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Izvestiya NTC Edinoj energeticheskoj sistemi № 84, 2021

Content and abstracts
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RESEARCHES OF POWER SYSTEM OPERATING CONDITIONS

Brilinskiy A. S., Evdokunin G. A., Kritskiy V. A., Odintsov M. V., Chernyakova L. B. The demand of the UPS of Russia power plants for the usage of phase-shifting complexes 5

Denisenko A. I., Liamov A .S., Smolovik S. V., Chudny V. S. Use of a static synchronous series compensator to increase the efficiency of parallel operation of power grid 13

Budovskiy V. P., Vorobjev V. S., Ivanchenko A. N., Moskalenko V. V., Rasshcheplyaev A. I., Rybalkin A. D. Method for calculating the current transformer saturation time using piecewise linear approximation of the average magnetization curve 20

POWER SYSTEMS MODELLING

Asanova S. M., Ahyoev J. S., Dmitriev S. A., Matrenin P. V., Safaraliev M. H. Development of models for power consumption medium-term forecasting in isolated power systems based on ensemble methods of machine learning 32

Adalev A. S., Kuchinskiy V. G., Pershikov G. A., Popkov E. N., Feshin A. O. Mathematical model of a twelve-phase brushless machine with PMG excitation 40

Triandofilidy I., Yurganov A. A. Equivalent model of brushless excitation system and method of experimental determination of its parameters in factory environment 53

DEVELOPMENT AND IMPROVEMENT OF CONTROL, AUTOMATION AND REGULATION SYSTEMS

Andranovich B., Gerasimov A. S., Koshcheev L. A., Kritskiy V. A., Lisitsyn A. A. Intelligent control of isolated power system operating conditions 61

Eliseev D. A., Zelenin A. S., Kasyanov S. E. Investigation of asynchronous operation elimination algorithm for microprocessor system in MATLAB Simulink 67

Rybin I. V., Sinyanskii I. V. Features of the discrete outputs of microprocessor relay protection devices in a modern operational DC system 76

Goriachevskii K. S., Sinyansky I. V., Chechulina N. E. Application of PMU to improve the efficiency of power system control 83

Kostoglodova S. L., Lotsman D. S., Maksimenko D. M., Neuimin V. G., Ostanin A. Y. Integration of the stability margin monitoring system with technological instruments of the electricity and power market 89

FROM THE INTERNATIONAL POWER-ENGINEERING EXPERIENCE

Bonchuk I. A., Sozinov M. A., Shaposhnikov A. P. Review of the use of approaches to frequency regulation and the choice of operational power reserves in the efficiency of the Russian system 96

NAMES AND DATES

Voropai N. I., Fedotova G. A. Yuri N. Rudenko – scientist, organizer of science, person 104

Koscheev L. A. My memories of Yu. N. Rudenko 119 In memory of Yuri G. Shakaryan 121