Zobrazeno 1 - 10
of 43
pro vyhledávání: '"Fernando Garnacho"'
Publikováno v:
Sensors, Vol 24, Iss 16, p 5312 (2024)
In general, a high voltage (HV) substation can be made up of multiple insulation subsystems: an air insulation subsystem (AIS), gas insulation subsystem (GIS), liquid insulation subsystem (power transformers), and solid insulation subsystem (power ca
Externí odkaz:
https://doaj.org/article/c736df18fd3b48db9d765ac8a0d9b954
Publikováno v:
Sensors, Vol 24, Iss 12, p 3788 (2024)
During their lifespan, high-voltage (HV) electrical systems are subjected to operating conditions in which electrical, mechanical, thermal and environmental-related stresses occur. These conditions over time lead to unforeseen failures caused by vari
Externí odkaz:
https://doaj.org/article/7a7b436399c747699421748184759d28
Publikováno v:
Sensors, Vol 24, Iss 5, p 1363 (2024)
Today, online partial discharge (PD) measurements are common practice to assess the condition status of dielectrics in high-voltage (HV) electrical grids. However, when online PD measurements are carried out in electrical facilities, several disadvan
Externí odkaz:
https://doaj.org/article/6b172d0495de461386965079cb4c7848
Autor:
Fernando Garnacho, Fernando Álvarez, Alf-Peter Elg, Christian Mier, Kari Lahti, Abderrahim Khamlichi, Eduardo Arcones, Joni Klüss, Armando Rodrigo Mor, Pertti Pakonen, José Ramón Vidal, Álvaro Camuñas, Jorge Rovira, Carlos Vera, Miran Haider
Publikováno v:
Sensors, Vol 23, Iss 14, p 6317 (2023)
On-site partial discharge (PD) measurements have turned out to be a very efficient technique for determining the insulation condition in high-voltage electrical grids (AIS, cable systems, GIS, HVDC converters, etc.); however, there is not any standar
Externí odkaz:
https://doaj.org/article/0141dcf4dab8410aa9cd667bad49a169
Autor:
Carlos Vera, Fernando Garnacho, Joni Klüss, Christian Mier, Fernando Álvarez, Kari Lahti, Abderrahim Khamlichi, Alf-Peter Elg, Armando Rodrigo Mor, Eduardo Arcones, Álvaro Camuñas, Pertti Pakonen, Javier Ortego, José Ramón Vidal, Miran Haider, Jorge Rovira, Pascual Simon, Antonio Squicciarini
Publikováno v:
Applied Sciences, Vol 13, Iss 14, p 8214 (2023)
The insulation condition of HVDC grids consisting of cable systems, GIS, and converters should be monitored by partial discharge (PD) analysers using artificial intelligence (AI) tools for efficient insulation diagnosis. Although there are many exper
Externí odkaz:
https://doaj.org/article/0a2d8275027d44ecbf8d8ebe5c70c315
Publikováno v:
Sensors, Vol 23, Iss 13, p 5955 (2023)
A synthetic partial discharge (PD) calibrator has been developed to qualify PD analyzers used for insulation diagnosis of HVAC and HVDC grids including cable systems, AIS, GIS, GIL, power transformers, and HVDC converters. PD analyzers that use high-
Externí odkaz:
https://doaj.org/article/0ed4843fd82647dcbbf7f4ba8bfa660d
Autor:
Fernando Garnacho, Abderrahim Khamlichi, Jorge Rivera, Pascual Simón, Ángel Ramírez, Fernando Álvarez
Publikováno v:
Tecnología en Marcha, Pp ág 17-33 (2021)
La monitorización y medida de las descargas parciales en las redes eléctricas e instalaciones de alta tensión para evaluar el estado del aislamiento de los activos es un tema de gran actualidad, sin embargo, no existen criterios ni procedimientos
Externí odkaz:
https://doaj.org/article/3aa2d73909774df0ba9b7d7ed4718e76
Publikováno v:
Tecnología en Marcha, Pp ág 5-16 (2021)
Tradicionalmente los laboratorios de alta tensión (AT) han precisado diferentes instrumentos de medida para medir las tensiones alternas 50/60 Hz (AC), mediante voltímetros de cresta, impulsos de tensión tipo rayo, mediante medidores de tensiones
Externí odkaz:
https://doaj.org/article/6fb61edfa3a5434bba2a6ddf6028e269
Publikováno v:
Sensors, Vol 21, Iss 23, p 7967 (2021)
Periodic calibrations of Energy Measurement Systems (EMS) installed in locomotives must be carried out to demonstrate the required accuracy established in the EN 50463-2 standard according to European Parliament and Council Directive 2008/57/EC on th
Externí odkaz:
https://doaj.org/article/98115909c0ea4202908e0b2e936e4964
Autor:
Daniela Istrate, Abderrahim Khamlichi, Soureche Soccalingame, Jorge Rovira, Dominique Fortune, Martin Sira, Pascual Simon, Fernando Garnacho
Publikováno v:
Sensors, Vol 20, Iss 21, p 6301 (2020)
Current standard EN 50463-2 indicates the tests and the requirements to be satisfied for an energy measurement system of a traction unit for railway applications. Some of these tests are to be done with several harmonics superposed on the rated volta
Externí odkaz:
https://doaj.org/article/9692ae6cf9664ca5bb902468ad886914