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Software Sensor-Based STATCOM Control under Unbalanced Conditions
(Institute of Electrical and Electronics Engineers, 2009-07-24)
A new control strategy for static compensators (STATCOMs) operating under unbalanced voltages and currents is presented in this paper. The proposed strategy adopts a state observer (software sensor) to estimate ac voltages ...
Three-phase fast decoupled power flow
(1999-01-01)
This paper presents power flow methods for the solution of unbalanced and balanced three-phase distribution systems. The best existing methods for solving three-phase power flow are tested and the results discussed. The ...
Improved Energy Conversion Process With Coupling Induction Motors And Invastigate Unbalanced Operation With Definition Of The Voltage Unbalance
(Universidade Federal de Santa Maria, 2015)
Pruning methods to MLP neural networks considering proportional apparent error rate for classification problems with unbalanced data
(Elsevier B.V., 2014-10-01)
This article deals with classification problems involving unequal probabilities in each class and discusses metrics to systems that use multilayer perceptrons neural networks (MLP) for the task of classifying new patterns. ...
Three- phase four-wire circuits interpretation by means of different power theories
(Wydawnictwo Sigma-n O T Sp Z O O, 2011-01-01)
In order to contribute to the discussion of defining a generalized power theory, valid for unbalanced and non linear circuits, this paper discusses the relationship and discrepancies among four modern power theories. ...
Three- phase four-wire circuits interpretation by means of different power theories
(Wydawnictwo Sigma-n O T Sp Z O O, 2011-01-01)
In order to contribute to the discussion of defining a generalized power theory, valid for unbalanced and non linear circuits, this paper discusses the relationship and discrepancies among four modern power theories. ...
Three-phase four-wire circuits interpretation by means of different power theories
(2011-01-12)
In order to contribute to the discussion of defining a generalized power theory, valid for unbalanced and non linear circuits, this paper discusses the relationship and discrepancies among four modern power theories. ...
Active and reactive power control during unbalanced grid voltage in pv systems
(2016)
This paper presents a control strategy for a grid connected photovoltaic (PV) system aiming to regulate the active and reactive power injected to the electric system during asymmetrical voltage faults. The active power ...
Comparative analysis for reactive energy measurement methodologies, under non-sinusoidal conditions in three-phase four-wire circuits
(2011-12-28)
This paper presents some methodologies for reactive energy measurement, considering three modern power theories that are suitable for three-phase four-wire non-sinusoidal and unbalanced circuits. The theories were applied ...
Energy Balancing Improvement of Modular Multilevel Converters under Unbalanced Grid Conditions
(Institute of Electrical and Electronics Engineers, 2017-08)
This paper presents a feedback/feed-forward control strategy to improve the voltage balancing of modular multilevel converters (MMCs) under unbalanced grid conditions. The inclusion of a feed-forward compensation improves ...