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Handling of unbalanced faults in HVDC-connected wind power plants
(2017-11)
Article.
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Article.
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High-voltage DC (HVDC) connections enable integration of wind power plants located very far from shore. The decoupled AC offshore grid comprises multiple WT converters, and the voltage magnitude and frequency is primarily ...
Modeling and sliding mode control for three-phase active power filters using vector operation technique
(Institute of Electrical and Electronics Engineers (IEEE), 2018-01-23)
Article.
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Article.
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Traditionally, the vector operation technique has been used to control three-phase converters using one cycle control. In this paper, a three-phase active power filter large-signal model with vector operation technique in ...
Redesign process of a 765 kV AC substation connector by means of 3D-FEM simulations
(2014-03-03)
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Article.
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This paper shows the capabilities of applying the three-dimensional finite element method (3D-FEM) for designing complex-shaped substation connectors to operate at 765 kVRMS AC. To check this methodology, it was analyzed ...
Voltage correction factors for air-insulated transmission lines operating in high-Altitude regions to limit corona activity: a review
(Multidisciplinary Digital Publishing Institute (MDPI), 2018-07-21)
Article.
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Article.
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Nowadays there are several transmission lines projected to be operating in high-altitude regions. It is well known that the installation altitude has an impact on the dielectric behavior of air-insulated systems. As a ...
Model of electronic ballast compact fluorescent lamps
(2014-06-01)
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Article.
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The use of compact fluorescent lamps (CFLs) in utility distribution systems is spreading due to energy consumption concerns. This can damage system power quality because CFLs are nonlinear harmonic injecting loads. For ...
Technical and economic comparison of various electrical collection grid configurations for large photovoltaic power plants
(2017-02-22)
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In this study, a technical and economic comparative analysis for evaluating the performance of various electrical photovoltaic (PV) plant configurations is presented. This methodology assessment is based on a holistic ...
Control of D-STATCOM during unbalanced grid faults based on DC voltage oscillations and peak current limitations
(2017-12-19)
Article.
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Article.
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The safe operation of grid connected power converters during abnormal condition is a key issue in order to guarantee its operation and to avoid undesired trips. In this paper different control strategies for the operation ...
A comparative study of Quasi-FEA technique on iron losses prediction for permanent magnet synchronous machines
(2018-01-01)
Article.
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Article.
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The paper presents an advanced quasi-FEA technique on the iron losses prediction using
Bertotti’s iron loss separation models, in which a curve fitting is taken into account for coefficients calculation of each model. ...
Real-time wireless, contactless and coreless monitoring of the current distribution in substation conductors for fault diagnosis
(2018-12-03)
Article.
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Article.
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Parallel conductors are found in electrical transmission and distribution systems including large ampacity feeders or loads. However, current unbalance often occurs, especially in alternating current systems. This non-regular ...
Estudio de los accidentes laborales en la industria minera y en la construcción en España en la última década
(2011-12)
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Article.
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