Zobrazeno 1 - 10
of 131
pro vyhledávání: '"Pawel Niewczas"'
Publikováno v:
Sensors, Vol 24, Iss 10, p 3183 (2024)
This paper reports on the testing and evaluation of a passive autoranging (AR) method designed to dynamically extend the measurement range of a photonic current transducer (PCT) to pave the way toward a realization of a combined metering- and protect
Externí odkaz:
https://doaj.org/article/e306e11b4de24796998d0c9ce8a485ee
Autor:
Dimitrios Tzelepis, Vasileios Psaras, Eleni Tsotsopoulou, Sohrab Mirsaeidi, Adam Dysko, Qiteng Hong, Xinzhou Dong, Steven M. Blair, Vassilis C. Nikolaidis, Vassilis Papaspiliotopoulos, Grzegorz Fusiek, Graeme M. Burt, Pawel Niewczas, Campbell D. Booth
Publikováno v:
IEEE Access, Vol 8, Pp 203398-203428 (2020)
After the occurrence of a DC-side feeder faults on HVDC transmission systems, protection and fault detection systems are anticipated to minimize their onerous effects, by initiating fault-clearing actions such as selective tripping of circuit breaker
Externí odkaz:
https://doaj.org/article/d532423c0da840c99b7f488712029409
Publikováno v:
Sensors, Vol 23, Iss 1, p 551 (2023)
In this paper, we present a novel technique for passively autoranging a photonic current transducer (PCT) that incorporates a current transformer (CT), piezoelectric transducer (PZT) and fiber Bragg grating (FBG). Due to the usage of single-mode fibe
Externí odkaz:
https://doaj.org/article/e19486299fda48a781fe596ac0d8efa3
Autor:
Grzegorz Fusiek, Pawel Niewczas
Publikováno v:
Sensors, Vol 22, Iss 14, p 5307 (2022)
This paper reports on the construction and characterization of an optical voltage transducer module for applications in the field of wide-area monitoring, protection, and control (WAMPAC). The optical medium voltage transducer (MVT) module was design
Externí odkaz:
https://doaj.org/article/fe31afffc6764a409acb61f3ec56b079
Autor:
Grzegorz Fusiek, Pawel Niewczas
Publikováno v:
Sensors, Vol 20, Iss 17, p 4830 (2020)
The design, construction and characterization of a photonic voltage transducer with a lightning impulse protection for distributed measurements on medium voltage (MV) networks (11 kV) was presented in this paper. The sensor prototype, comprising a co
Externí odkaz:
https://doaj.org/article/ef972df7eb774b458d2368cd7e009c2f
Publikováno v:
Machines, Vol 6, Iss 3, p 30 (2018)
Mechanical fatigue testing of materials, prototype structures or sensors is often required prior to the deployment of these components in industrial applications. Such fatigue tests often requires the continuous long-term use of an appropriate loadin
Externí odkaz:
https://doaj.org/article/3a9629f7decf41ab991e98107f1c0a8f
Publikováno v:
Sensors, Vol 17, Iss 12, p 2928 (2017)
Wind turbine foundations are typically cast in place, leaving the concrete to mature under environmental conditions that vary in time and space. As a result, there is uncertainty around the concrete’s initial performance, and this can encourage bot
Externí odkaz:
https://doaj.org/article/41aff8617cd54dfbb38ea7e9bc85f229
Autor:
Tim Rubert, Marcus Perry, Grzegorz Fusiek, Jack McAlorum, Pawel Niewczas, Amanda Brotherston, David McCallum
Publikováno v:
Sensors, Vol 18, Iss 1, p 97 (2017)
Onshore wind turbine foundations are generally over-engineered as their internal stress states are challenging to directly monitor during operation. While there are industry drivers to shift towards more economical foundation designs, making this tra
Externí odkaz:
https://doaj.org/article/9b00553542db44cfaf7b08b4cd5195d3
Publikováno v:
Sensors, Vol 17, Iss 8, p 1925 (2017)
The degradation of onshore, reinforced-concrete wind turbine foundations is usually assessed via above-ground inspections, or through lengthy excavation campaigns that suspend wind power generation. Foundation cracks can and do occur below ground lev
Externí odkaz:
https://doaj.org/article/cb19b9a75ebb44beb2cfa3800628d98e
Publikováno v:
Sensors; Volume 23; Issue 1; Pages: 551
In this paper, we present a novel technique for passively autoranging a photonic current transducer (PCT) that incorporates a current transformer (CT), piezoelectric transducer (PZT) and fiber Bragg grating (FBG). Due to the usage of single-mode fibe