Zobrazeno 1 - 10
of 103
pro vyhledávání: '"F. A. Romaniuk"'
Publikováno v:
Izvestiâ Vysših Učebnyh Zavedenij i Ènergetičeskih ob Edinennij SNG. Ènergetika, Vol 67, Iss 1, Pp 5-15 (2024)
In microprocessor automation and control systems, the amplitude (effective) values of the fundamental harmonic of the input signals are widely used as information parameters of the controlled quantities. They are most often determined by samples of o
Externí odkaz:
https://doaj.org/article/a6df00bb05bc4499adfe96d2ff8402ac
Publikováno v:
Izvestiâ Vysših Učebnyh Zavedenij i Ènergetičeskih ob Edinennij SNG. Ènergetika, Vol 66, Iss 1, Pp 5-17 (2023)
In microprocessor protections, measuring bodies are used that react to individual symmetrical components of signals or a combination of them. This makes the corresponding protection devices more sensitive. Of all the varieties of digital filters of s
Externí odkaz:
https://doaj.org/article/99695457291f4eb4ae66a7b7cac29cdb
Publikováno v:
Izvestiâ Vysših Učebnyh Zavedenij i Ènergetičeskih ob Edinennij SNG. Ènergetika, Vol 65, Iss 4, Pp 289-300 (2022)
Digital measuring elements in microprocessor protections of electrical installations are implemented mainly with the use of orthogonal components of input signals. To form orthogonal components in microprocessor protections, digital Fourier filters a
Externí odkaz:
https://doaj.org/article/19e69e0e342746ae8c43c6579c305c3a
Publikováno v:
Izvestiâ Vysših Učebnyh Zavedenij i Ènergetičeskih ob Edinennij SNG. Ènergetika, Vol 65, Iss 3, Pp 197-208 (2022)
In microprocessor protections of electric power systems, the controlled information parameters of input signals are determined using their orthogonal components. To form these components, digital Fourier filters which have inertia are most widely use
Externí odkaz:
https://doaj.org/article/af0cf8e81a034aa9bfdbe58129e60bb8
Autor:
Yu. V. Rumiantsev, F. A. Romaniuk
Publikováno v:
Izvestiâ Vysših Učebnyh Zavedenij i Ènergetičeskih ob Edinennij SNG. Ènergetika, Vol 65, Iss 1, Pp 5-21 (2022)
Recently, there has been an increased interest in the use of artificial neural networks in various branches of the electric power industry including relay protection. The operation of the traditional microprocessor-based relay protection device is ba
Externí odkaz:
https://doaj.org/article/a0874c0d6b8041608171aad62339a7bc
Autor:
Yu. V. Rumiantsev, F. A. Romaniuk
Publikováno v:
Izvestiâ Vysših Učebnyh Zavedenij i Ènergetičeskih ob Edinennij SNG. Ènergetika, Vol 64, Iss 6, Pp 479-491 (2021)
Recently, there has been an increased interest in the use of artificial neural networks in various branches of the electric power industry including relay protection. Аrtificial neural networks are one of the fastest growing areas in artificial inte
Externí odkaz:
https://doaj.org/article/e87aae15daa24d04a3bc85866424dbb8
Publikováno v:
Izvestiâ Vysših Učebnyh Zavedenij i Ènergetičeskih ob Edinennij SNG. Ènergetika, Vol 64, Iss 3, Pp 191-201 (2021)
The methods used in the microprocessor protection of electrical equipment for forming orthogonal components of input currents ensure their reliable isolation after changing the mode followed by one or more periods of the fundamental frequency. This i
Externí odkaz:
https://doaj.org/article/deaa611c343343408eb056e5bb76afba
Publikováno v:
Izvestiâ Vysših Učebnyh Zavedenij i Ènergetičeskih ob Edinennij SNG. Ènergetika, Vol 64, Iss 2, Pp 95-108 (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
Externí odkaz:
https://doaj.org/article/44d6c0945a7047cd9c2c9193f5d47327
Publikováno v:
Izvestiâ Vysših Učebnyh Zavedenij i Ènergetičeskih ob Edinennij SNG. Ènergetika, Vol 63, Iss 6, Pp 491-499 (2020)
The magnetizing current inrush appears in electrical power units equipped with transformers in case of no-load energizing of the power transformers and in a number of other cases. This phenomenon could cause a false triggering of the current protecti
Externí odkaz:
https://doaj.org/article/75867b14b6474b5a911c6e37b73a726e
Publikováno v:
Izvestiâ Vysših Učebnyh Zavedenij i Ènergetičeskih ob Edinennij SNG. Ènergetika, Vol 63, Iss 4, Pp 328-339 (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. Most of the measuring devices used in modern protection and automation devi
Externí odkaz:
https://doaj.org/article/0bfbf2be929f46139cde578cd3bfb1d1