Results 11 to 20 of about 35,764 (258)
DIGITAL FILTERS IMPLEMENTATION IN MICROPROCESSOR-BASED RELAY PROTECTION
Известия высших учебных заведений и энергетических объединенний СНГ: Энергетика, 2016 This article presents the implementation of digital filters used in digital relay protection current measuring elements. Mathematical descriptions of the considered digital filters as well as the computer programs for their coefficients calculation are ...
Yu. V. Rumiantsev +3 more
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Application of unified microprocessor relay protection units in electrical machine diagnostics
Известия высших учебных заведений: Проблемы энергетики, 2020 The article concentrates on the topical issue connected with the detection of defects in the rotor winding of electric machines. The experimental sampling and digital processing of electrical signals from controlled windings is in the basis.
V. I. Polishchuk +3 more
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Известия высших учебных заведений и энергетических объединенний СНГ: Энергетика, 2021 The use of orthogonal components (OC) underlies the construction of measuring elements of modern protection and automation devices. In most microprocessor-based protections, the orthogonal component of the input signal is extracted using a discrete ...
F. A. Romaniuk +3 more
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Orthogonal Components Forming of the Microprocessor-Based Protection Input Signals
Известия высших учебных заведений и энергетических объединенний СНГ: Энергетика, 2020 The use of orthogonal components (OS) is the main direction of determining information parameters in microprocessor relay protection and automation of electric power systems.
F. A. Romaniuk +3 more
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Reliability of microprocessor-based relay protection devices: Myths and reality [PDF]
Serbian Journal of Electrical Engineering, 2009 The article examines four basic theses about the ostensibly extremely high reliability of microprocessor-based relay protection (MP) touted by supporters of MP. Through detailed analysis based on many references it is shown that the basis of these theses
Gurevich Vladimir
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Receipt of Input Signal Amplitudes in Microprocessor Protection of Electrical Installations
Известия высших учебных заведений и энергетических объединенний СНГ: Энергетика, 2006 Frequency-independent methods for receipt of input signal amplitudes in microprocessor protection of an electrical installation in the aggregate with earlier analyzed digital filters are considered in the paper.
F. A. Romaniuk, A. V. Kovalevsky
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Investigation of Microprocessor-based Current Protection of Distribution Networks Lines
Известия высших учебных заведений и энергетических объединенний СНГ: Энергетика, 2011 As a result of computing experiment the basic indices of the technical perfection of microprocessor current protection of distribution networks lines were obtained. Test data are presented in the form of signal dependences in various protection circuits.
F. A. Romaniuk, E. V. Buloichyk
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Наука и техника, 2014 Technical perfection improvement of microprocessor current protection of distribution networks lines is provided by introduction of asymmetrical fault mode determination and fault location functions in the algorithm of its functioning.
E. V. Buloichyk
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Reliability of Microprocessor Based Protection Systems
Measurement + Control, 1994 Andrew Churchley
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