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Analyzing Distribution Transformer Degradation with Increased Power Electronic Loads
Open accessAbstract
The influx of non-linear power electronic loads into the distribution network has the potential to disrupt the existing distribution transformer operations. They were not designed to mediate the excessive heating losses generated from the harmonics. To have a good understanding of current standing challenges, a knowledge of the generation and load mix as well as the current harmonic estimations are essential for designing transformers and evaluating their performance. In this paper, we investigate a mixture of essential power electronic loads for a household designed in PSCAD/EMTdc and their potential impacts on transformer eddy current losses and derating using harmonic analysis. The various scenarios have been studied with increasing PV penetrations. The Peak load conditions are chosen for each scenario to perform a transformer derating analysis. Our findings reveal that in the presence of high power electronic loads (especially third harmonics), along with increasing PV generation may worsen transformer degradation. However, with a low amount of power electronic loads, additional PV generation helps to reduce the harmonic content in the current and improve transformer performance.
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“Moreover, the absence of dynamic pricing and ToU tariffs makes it economically unreasonable to partake in V2G, particularly in regions with flat electricity rates [92].”
From Economic Impacts and Mitigation for the Grid Connected Electric Vehicle Charging: A Technical and Operational Overview (2026) · cites this paper as [92]
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Research works printed but not linked: 12
- Grady, 2012, Understanding power system harmonics
- 10.1016/b978-012369536-9.50003-6 · DOI
- 10.1049/oap-cired.2017.0190 · DOI
- 10.1109/TPWRD.2013.2285096 · DOI
- 10.1109/20.800583 · DOI
- 10.1109/TPWRD.2008.923057 · DOI
- 10.1016/j.epsr.2011.05.004 · DOI
- 10.1049/cp.2010.0901 · DOI
- 10.1109/ISGT50606.2022.9817492 · DOI
- 10.1002/9781118977019 · DOI
- Sung, 2012, Cable heating effects due to harmonic distortion in electrical installations
- 10.1109/ieeestd.2018.8511103 · DOI
Cited by
Sorted by citations
Ikhajangbe, O. E., Dhulipati, H., & Liu, S. (2026) · IEEE Access · doi:10.1109/access.2026.3684508 · Cited by 5
Metadata
- Authors
- Mitra, B., Singhal, A., Kundu, S., & Ogle, J. P.
- Affiliations
- Pacific Northwest National Laboratory (US)
- Venue
- 2023 IEEE Power & Energy Society Innovative Smart Grid Technologies Conference (ISGT)
- Publisher
- IEEE
- Published
- 2023-01-16
- Pages
- 1-5
- OpenAlex
- W4360584195
- Cited by
- 13
- References
- 0
- Citations by year
- 2026: 5 · 2025: 5 · 2024: 2 · 2023: 1
- FWCI
- 6.37
- Type
- conference paper
- Language
- en
- Open access
- green
- arxiv.org
- Locations
- IEEE Power & Energy Society Innovative Smart Grid Technologies Conference (ISGT) (publishedVersion)
- arXiv (Cornell University) (submittedVersion)
- arXiv (Cornell University) (cc-by)
- Funders
- U.S. Department of Energy (DE-AC05–76RL01830, 76RL01830, AC05-76RL01830, DE-AC05?)
- Office of Electricity (DE-AC05-76RL01830)
- Topics
- Physical Sciences › Engineering › Electrical and Electronic Engineering › Power Quality and Harmonics
- Physical Sciences › Engineering › Electrical and Electronic Engineering › Power Transformer Diagnostics and Insulation
- Physical Sciences › Materials Science › Electronic, Optical and Magnetic Materials › Magnetic Properties and Applications
- Keywords
- distribution transformers, transformer degradation, power electronic loads, harmonic distortion, eddy current loss, transformer derating, photovoltaic penetration, third harmonic, nonlinear loads, household loads, peak load conditions, transformer design
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