Harmonic source detection methods: A systematic literature review

R Sinvula, KM Abo-Al-Ez, MT Kahn - IEEE Access, 2019 - ieeexplore.ieee.org
Ensuring the quality of power supply is a main target of the power utility companies
worldwide. Harmonic distortion is one of the power quality problems that can result either …

Harmonics and Interharmonics Detection Based on Synchrosqueezing Adaptive S-Transform

Z Lou, P Li, K Ma, F Teng - Energies, 2022 - mdpi.com
The integration of renewable energy generation and nonlinear power electronic equipment
into the grid brings about complex harmonics and interharmonics problems. The amplitude …

A discriminative approach to harmonic emission assessment

B Peterson, J Rens, G Botha… - 2015 IEEE International …, 2015 - ieeexplore.ieee.org
With the onset of renewable power sources onto the network, such as Photovoltaic power
plants contributing to Total Harmonic Distortion (THD) in voltage, a methodology to quantify …

Investigating empirical mode decomposition in the parameter estimation of a three-section winding model

DM Banks, JC Bekker, HJ Vermeulen - Energies, 2023 - mdpi.com
Parameter estimation represents an important aspect of modeling electromagnetic systems,
and a wide range of parameter estimation strategies has been explored in literature. Most …

In situ parameter estimation of a single-phase voltage source inverter using pseudo-random impulse sequence perturbation

I Gerber - 2022 - scholar.sun.ac.za
DC-AC inverters are important in the shift towards renewable energy as they are used to
integrate solar and wind power systems with the electrical grid. Inverters influence the power …

Parameter estimation of a high-voltage transformer using pseudo-random impulse sequence perturbation

D Banks - 2022 - scholar.sun.ac.za
Transformers are essential devices to the power system. Transformer applications include
transmission services, monitoring of line voltages and currents, and distribution services …

Impact of aggregation interval on harmonic phase angle measurements

B Peterson, AM Blanco, J Rens, J Meyer… - 2018 IEEE 9th …, 2018 - ieeexplore.ieee.org
The aggregation principles of IEC 61000-4-30 is a well-known concept implemented in
Power Quality (PQ) recorders. Only rms data is retained. Harmonic emission assessment …

Measurement uncertainty of current harmonics during the assessment of compliance to grid code requirements

Z Marais, J Rens, B Peterson… - 2018 IEEE 9th …, 2018 - ieeexplore.ieee.org
This paper improves the impact of measurement uncertainty on harmonic grid code
compliance assessment by characterization of the current transformers at a renewable …

Tracking harmonic filter performance using aggregated harmonic phasors

B Peterson, J Rens, J Meyer… - 2022 IEEE 12th …, 2022 - ieeexplore.ieee.org
Harmonic filter bank performance could be affected by network configuration changes.
Assessment of filter performance in a distribution network with different distortion sources …

Experimental Identification of the Output Impedance Frequency Response of an Open-Loop Half-Bridge Inverter

IP Gerber, FM Mwaniki… - 2023 31st Southern …, 2023 - ieeexplore.ieee.org
DC-AC inverters are used extensively in renewable energy applications in modern power
systems. Characterization of the output impedance of an inverter is important for the design …