Study on harmonic metering characteristics of Rogowski coil current transformer
AIP Advances, 2023 This paper introduces the harmonic requirements of a power system transformer and the principle of the Rogowski coil electronic current transformer, summarizes the simple and practical methods for harmonic measurement of the Rogowski coil electronic ...
Liwen Chen +7 more
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Technique of Performance Improvement of the Microprocessor-Based Protection Measuring Element
Известия высших учебных заведений и энергетических объединенний СНГ: Энергетика, 2019 The technique is proposed to improve the performance of the measuring element of microprocessor-based protection and its implementation is considered at the software level.
F. A. Romaniuk +3 more
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A COMPREHENSIVE MODEL FOR THE POWER TRANSFORMER DIGITAL DIFFERENTIAL PROTECTION FUNCTIONING RESEARCH
Известия высших учебных заведений и энергетических объединенний СНГ: Энергетика, 2016 This article presents a comprehensive model for the two-winding power transformer digital differential protection functioning research. Considered comprehensive model is developed in MatLab-Simulink dynamic simulation environment with the help of ...
Yu. V. Rumiantsev
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CT Saturation Detection with Calculation of Instantaneous Impedance of Magnetic Branch Using FILT [PDF]
مجله مدل سازی در مهندسی, 2017 Accurate indiscrimination of CT saturation can be caused mal-operation of protection systems. Due to nonlinear and loss characteristic behavior of CTs, it is necessary to use a numerical method to detect CT saturation, accurately.
Alireza Fallahi +2 more
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External Excitation of Axial Magnetic Field for Intermediate-Frequency Vacuum Arc Research
IEEE Access, 2019 In order to the make the magnetic field synchronous with the actual current in the current interruption experiment, an external excitation of axial magnetic field for intermediate-frequency vacuum arc experiment and research is designed and tested in ...
Yuan Jiang +5 more
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A Novel Self-Powered Smart Current Sensor for Power Equipment
Elektronika ir Elektrotechnika, 2019 Current measurement is one of the most important work in online monitoring of the electric system. Self-powered and intelligence are key areas of the current measuring sensor.
Jie Ren +6 more
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Zhongguo dianli, 2022 The accurate and rapid identification of model parameters is crucial to the simulation of the hysteresis characteristics of current transformer cores based on the J-A hysteresis model.
Yilun LI, Yishu ZHANG, Guang SONG
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Calculation of 220kV Transformer Bias Current Based on the Earth and Power Grid Model in the Metro Area [PDF]
E3S Web of Conferences, 2021 The metro stray current will be generated during subway operation, which will affect the electromagnetic environment near the subway, and then affect the surrounding 220kV transformer.
Chen Lu +6 more
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The.main types of wind turbines-generators in the power supply system
Известия высших учебных заведений: Проблемы энергетики, 2022 THE PURPOSE. This paper considers the problem of relay protection functioning when the current transformer reaches the saturation mode which is provided by transient processes.METHODS. MATLAB Simulink software environment allows reproducing the method of
V. A. Novobritsky, D. S. Fedosov
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Parameter Optimization Design of Light induction Power-taking Device for Transmission Cable
Journal of Harbin University of Science and Technology, 2021 Current transformer induction power generation has the advantages of strong practicability, wide range of use and high safety, and it is expected to become the most effective energy supply method for online monitoring equipment of power system ...
LIN Jin-shu +4 more
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