Results 31 to 40 of about 3,480,414 (223)
Improving the recognition of operating modes in intelligent electrical networks based on machine learning methods [PDF]
E3S Web of Conferences, 2020 Digitalization in the power industry makes it possible to form in real time and accumulate large amounts of data about the state of connections, equipment at substations and the power system as a whole (currents, voltages, power, phase between current ...
Anton Loskutov +2 more
doaj +1 more source
Embedded software security testing technology for relay protection devices
Dianxin kexue, 2018 As the first defensive line of power grid security,the right actions of delay protection devices can minimize the influence to the electric power system security caused by system or equipment failures.Based on the research of relay protection device ...
Wei DING +3 more
doaj +2 more sources
Modeling and Analysis of Incorrect Actions of Relay Protection Systems Based on Fault Trees
IEEE Access, 2020 The safety of the power grid is threatened by incorrect action (IA) of relay protection system (RPS) resulting from defects, and even worsen a blackout. Currently, a large amount of data about IAs and defects in RPS are accumulated in operation. However,
Qian Chen +6 more
doaj +1 more source
, 2009 PhDWhen this research was started, TD-SCDMA (Time Division Synchronous Code Division Multiple Access) was still in the research/ development phase, but now, at the time of writing this thesis, it is in commercial use in 10 large cities in China ...
Yan, Sun
core +4 more sources
Design of an Arduino-Based Inverse Type Overcurrent Relay
Emitor: Jurnal Teknik ElektroAn overcurrent relay is an important device in protection systems to protect electrical equipment from damage caused by excessive overcurrent. The objective of this study is to design and implement an overcurrent relay system that can detect and mitigate
rizky susilo +2 more
doaj +1 more source
Review and prospect of hidden failure: protection system and security and stability control system
Journal of Modern Power Systems and Clean Energy, 2019 With the construction of the “3-level, 3-vertical-line, and 1-circle” power backbone in China, it's stricter and stricter on relay protection system and security and stability control system (SSCS) for reliable power transmission ...
Lili Zhao +4 more
doaj +1 more source
Zhongguo dianli, 2023 In order to solve the problems of low automation degree of substation relay protection test and poor management of test reports, a test and control technology for protection device based on Edge IoT is proposed.
Yuanbo YE +4 more
doaj +1 more source
Modeling and testing of digital protection relay for an induction motor [PDF]
, 2010 The project details the modelling of the induction motor SEL701 Relay in PowerFactory. In order to prove operational reliability, both off-line and on-line testing were implemented to verify the characteristic curve of the relay by measuring trip times ...
Cho, Sungmin
core
Advanced Functional Materials, EarlyView.Advanced ink systems for solution‐processed textile triboelectric nanogenerators are systematically summarized, spanning conductive, tribo‐negative, and tribo‐positive layers. By connecting ink chemistry, deposition methods, and device function, the present review reveals the key governing principles of solution development and highlights practical ...
Xinlong Sun, Stephen Beeby
wiley +1 more source
Improvement of algorithms for voltage circuits fault detection in relay protection terminal of 6-35 kV electrical networks [PDF]
E3S Web of Conferences, 2019 Issues of increase of consumer power supply reliability by prevention of protection device false operation and unreasonable tripping of the protected network element at malfunction of measuring voltage transformer secondary circuits are considered ...
Vukolov Vladimir +2 more
doaj +1 more source