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A Graphical Method to Assess Component Overload due to Harmonic Resonances in Wind Parks
(2020-01-01)
One of the impacts of harmonic resonances in wind parks is to overload wind park components. The process of identifying a problematic component may be time-consuming due to the number of scenarios and different components ...
Conservative Power Theory for Harmonic Voltage Responsibility Assignment
(2022-03-01)
Discussions on the different methods for sharing responsibilities regarding harmonic distortions in power grids have received wide attention in the area of power quality. This paper proposes a methodology based on Conservative ...
Resistive Shaping of Interconnected Low-Voltage Microgrids Operating Under Distorted Voltages
(2021-01-01)
Beyond the impacting presence of non-linear loads, low-voltage microgrids also experience low energy efficiency and resonance phenomena when operating interconnected to a distribution grid that suffers from distorted ...
A Power-Quality Index to Assess the Impact of Voltage Harmonic Distortions and Unbalance to Three-Phase Induction Motors
(IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2010)
This paper discusses the need to simultaneously monitor voltage unbalance and harmonic distortions in addition to root-mean-square voltage values. An alternative way to obtain the parameters related to voltage unbalance ...
Frequency and Total Harmonic Distortion Estimation Based on Adaptive Filters
(Institute of Electrical and Electronics Engineers, 2013-02)
In this paper, a low computacional cost total harmonic distortion and frecuency estimation method is proposed. This method is based on adaptive digital filters allowing tracking the fundamental frequency variations. Real ...
Effects on Light Efficiency in Discharge and Solid-State Lighting Operation, Supplied by No-Sinusoidal Voltage
(Ieee-inst Electrical Electronics Engineers Inc, 2016-05-01)
The widespread use of discharge lamps and solid-state lighting is justified by its high-energy efficiency. However, the massive use causes degradation of power quality provided. In this context, the objective was the ...
Three-phase harmonic distortion state estimation algorithm based on evolutionary strategies
(ELSEVIER SCIENCE SA, 2010)
This paper presents a new methodology to estimate unbalanced harmonic distortions in a power system, based on measurements of a limited number of given sites. The algorithm utilizes evolutionary strategies (ES), a development ...
Characterization and compensation of harmonics and reactive power of residential and commercial loads
(Ieee-inst Electrical Electronics Engineers IncPiscatawayEUA, 2007)
Harmonic Distortion State Estimation Using an Evolutionary Strategy
(IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2010)
This paper presents a new methodology to estimate harmonic distortions in a power system, based on measurements of a limited number of given sites. The algorithm utilizes evolutionary strategies (ES), a development branch ...
Impact of supply voltage distortion on the current harmonic emission of non-linear loads
(Universidad Nacional de Colombia (Sede Medellín). Facultad de Minas., 2015-07-01)
Electronic devices have a non-linear characteristic and emit harmonics into the low voltage grid. Different harmonic studies analyze their impact on the grids based on different types of harmonic models. The most used model ...