Results 31 to 40 of about 70,906 (304)
Evaluation of Lightning Impulse Test by Frequency Response Analysis [PDF]
, 2006 In this work are presented the basis for improving the interpretation of transformer lightning impulse test and the development of a graphical user interface system, which allows comparisons of time domain data and frequency response.
Ramírez, Jorge, Valecillos, Baudilio
core +3 more sources
Optimal Operation of Distribution Electronic Power Transformer Using Linear Quadratic Regulator Method [PDF]
Journal of Intelligent Procedures in Electrical Technology, 2011 Transformers perform many functions such as voltage transformation, isolation and noise decoupling. They are indispensable components in electric power distribution system.
Mohammad Hosein Rezaei +2 more
doaj
Voltage regulation considerations for the design of hybrid distribution transformers [PDF]
, 2014 The future substation depends on finding a way to mitigate the effects of the drawbacks of the conventional legacy by employing the efficiency of the solid state switches [1].
Alqarni, M, Darwish, M, Radi, MA
core +1 more source
Design optimisation for distance between additional and tap winding in high-voltage transformers
High Voltage, 2020 The transformer is one of the main components in the power network and transformer windings are one of the most expensive elements in the power transformer.
Kamran Dawood +3 more
doaj +1 more source
Harmonic voltage measurement error of the capacitor voltage transformer
PLOS ONE, 2018 This paper explores the mechanism for the harmonic voltage measurement error (HVME) of a capacitor voltage transformer (CVT) in a comprehensive way and develops a practical error correction method to improve the harmonic measurement performance of a CVT.
Jian Le, Hao Zhang, Chao Gao, Qian Zhou
openaire +4 more sources
A Dimension Reduction Method Used in Detecting Errors of Distribution Transformer Connectivity
IEEE Access, 2020 Many power utilities may have problems with the quality of data in records about which feeder a distribution transformer is connected to. This affects the operation and maintenance of smart grid infrastructure, outage management, line loss management ...
Zeyang Tang +6 more
doaj +1 more source
Overcurrent Protection for Gyrotrons in EAST ECRH System
, 2017 In this paper, an overcurrent protection system is designed to ensure the safety of the gyrotrons in the EAST ECRH system. Two overcurrent protection systems were established, a fast one and a slow one.
Feng, Jianqiang +6 more
core +1 more source
Pediatric Blood &Cancer, EarlyView.ABSTRACT Background Families of children with cancer experience significant financial strain, even with universal healthcare. Indirect costs, such as productivity losses and non‐medical expenses, are rarely included in economic evaluations, and little is known about how effectively financial aid programmes alleviate this burden. Childhood brain tumours
Megumi Lim +8 more
wiley +1 more source
Development of a smart transformer to control the power exchange of a microgrid [PDF]
, 2013 A smart transformer enables to control the power exchange between a microgrid and the utility network by controlling the voltage at the microgrid side within certain limits.
De Kooning, Jeroen +3 more
core +1 more source
Pediatric Blood &Cancer, EarlyView.ABSTRACT Background The management of clinically apparent single lesions or oligofocal nephroblastomatosis, a facultative precursor of nephroblastoma, remains debated. Methods We retrospectively analyzed 37 patients with clinically apparent single or oligofocal nephroblastomatosis (two to three lesions per kidney) among 2347 patients registered between
Nils Welter +17 more
wiley +1 more source