Results 31 to 40 of about 819 (196)
Interharmonics: Basic concepts and techniques for their detection and measurement [PDF]
, 2020 The term interharmonics refer to those frequencies that are not integral harmonics of the supply fundamental frequency. Although international organizations defined the terminology and proposed measurement guidelines, difficulties still exist in its ...
Chun Li +2 more
core
Evaluation of Voltage Transformers’ Accuracy in Harmonic and Interharmonic Measurement
IEEE Open Journal of Instrumentation and Measurement, 2022 The measurement of Power Quality (PQ), generally performed at Low Voltage (LV) level, is gaining more and more importance also at the Medium Voltage (MV) level, due to the increasing presence of switching power converters (both loads or generators ...
Gabriella Crotti +4 more
doaj +1 more source
Interharmonics from Grid-Connected PV Systems:Mechanism and Mitigation [PDF]
, 2017 As the penetration level of grid-connected Photovoltaic (PV) systems increases, the power quality is one of the major concerns for system operators and the demands are becoming even stricter. The impact of interharmonics on the grid has been acknowledged
Sangwongwanich, Ariya; id_orcid +7 more
core +1 more source
Analysis of Reactive Power in Electrical Networks Supplying Nonlinear Fast-Varying Loads
Energies, 2023 This study concerns problems related to the assessment of reactive power in power networks with nonlinear fast-varying loads, such as electric arc furnaces, rolling mill drives, etc. The operation of this type of load is characterized by the introduction
Yuriy Sayenko +2 more
doaj +1 more source
Applied Sciences, 2019 The increasing incorporation of power electronics and other non-linear loads, in addition to their energy advantages, also implies a poor power quality, especially as regards harmonic pollution.
Angel Arranz-Gimon +3 more
doaj +1 more source
Assessing Time-Varying Harmonic Interactions in a Wind Park
IEEE Access, 2021 The harmonic interaction mechanism in a wind park is examined in this paper. The paper investigates the feasibility of a solution to the yet challenging harmonic contribution estimation from multiple sources in a wind park with limited available ...
Vineetha Ravindran +3 more
doaj +1 more source
Analytical Frameworks and Theories of Electric Power in Non‐Linear Circuits
IET Generation, Transmission &Distribution, Volume 20, Issue 1, January/December 2026.Based on the challenges of distorted currents and non‐linear components in modern power grids, this article reviews seminal electrical power theories that seek to generalize the traditional definitions of active, reactive, and apparent power. It provides a detailed analysis of their mathematical foundations, practical implementation, and validity.
Rafael Escudero, Luis Ibarra
wiley +1 more source
Compressed Sensing High-accuracy Detection for Electric Power Interharmonics
, 2014 Interharmonics frequencies are not integer multiple of the fundamental frequency, and interharmonics amplitudes are far less than fundamental amplitude and harmonics amplitudes, which mean high sensitivity to desynchronization problems, so it’s dificult
Wang, Jingfang, Cao, Tiejun
core +1 more source
Sources, Effects, and Modelling of Interharmonics [PDF]
Mathematical Problems in Engineering, 2014 Recently, the increasing use of power electronic systems and time‐variant nonlinear loads has brought number of power harmonics/interharmonics, and the power supply quality is therefore seriously threatened. The presence of interharmonics strongly poses more difficulties in modelling and measuring the distorted waveforms. Therefore, this paper reviews
openaire +1 more source
Towards an EMC Coordination for Interharmonics in Public Low Voltage Networks
IET Generation, Transmission &Distribution, Volume 20, Issue 1, January/December 2026.Flicker in LED lamps caused by interharmonic distortion was identified as a new interference mechanism, which is not yet covered by the existing EMC coordination. Following the process for EMC coordination, the article starts from a detailed characterisation of the new interference mechanism.
Jan Meyer +6 more
wiley +1 more source