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Izvestiya NTC Edinoj energeticheskoj sistemi № 85, 2021

Content and abstracts
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DEVELOPMENT AND IMPROVEMENT OF MODELS, ALGORITHMS AND METHODS FOR RESEARCH AND CAMPUTATION OF POWER SYSTEM OPERATION CONDITIONS

Mikhailenko A. F., Neuimin V. G., Satsuk E. I., Snegirev D. A. The equivalent algorithms efficiency and accuracy comparison for the use for stability mar-gins monitoring system 5

Mashalov E. V. Implicit integration transient stability analysis prototype software 17

Adalev A. S., Koshcheev L. A., Kuchinskiy V. G., Popkov E. N., Feshin A. O. The macromodel of a six-phase synchronous machine with combined excitation for electric power systems processes study 36

Avkhimov K. B., Budovskiy V. P., Dubinin D. M., Satsuk E. I. Cluster analysis of the operating mode of the electric power system taking into account the topology of the electric network 48

Avkhimov K. B., Budovskiy V. P. A nonparametric method for the diagnostic of stability violation of an electric power system 57

MONITORING USING FOR THE IMPROVEMENT OF POWER MANAGEMENT EFFICIENCY

Belyaev A. N., Koshlakov A. Yu., Nikolaev R. N. Identification of power system parameters based on wide area measurement data 61

Berdin A. S., Lisitsyn A. A., Moiseichenkov A. N., Senyuk M. D. Development of the generation unit unloading in case of nearby fault algorithm based on phasor measurement units 76

Goriachevskii K. S., Rybin I. V., K. Samusik K. A., Sinyansky I. V. Emergency automation devices operation monitoring system 90

Gurikov O. V., Zelenin A. S., Kabanov D. A., Mikhailov D. O., Prokhorov K. V., Sheskin E. B. Development and testing of new version monitoring system algorithms of power plants auto-matic regulation systems 97

HIGH-VOLTAGE TECHNOLOGY

Kasyanov S. E., Sheskin E. B. Defining resistor parameters for providing normal operation of SF6 breakers under high DC current condition 109

METHODOLOGICAL ISSUES OF POWER SYSTEM ELECTRICAL MODES CAMPUTATION

Legkokonets P. V. On the symmetry of the equations of linear harmonic current circuits and the properties fol-lowing from it 117

Nikolaev A. V., Ten E. A., Chapluk S. V., Edlin M. A. Power flow analysis and selection of emergency controls for reactive power overload of syn-chronous generators 128

Koshcheev L. A. Replies to the article by A. V. Nikolaev, E. A. Ten, S. V. Chaplyuk, M. A. Edlin «Power flow analysis and selection of emergency controls for reactive power overload of synchronous generators» 134

Smolovik S. V. Replies to the article by A. V. Nikolaev, E. A. Ten, S. V. Chaplyuk, M. A. Edlin «Power flow analysis and selection of emergency controls for reactive power overload of synchronous generators» 136