Power Quality and Harmonics
Power Quality and Harmonics is a research topic within Electrical and Electronic Engineering. Science Explorer counts 16k research works in it since 1950. 9.5% of them reached the world's top 10% most cited for their field and year.
This cluster of papers focuses on power quality analysis and mitigation techniques, including the use of harmonic filters, active power filters, dynamic voltage restorers, and reactive power compensation. The research covers topics such as voltage sags, wavelet transform, neural network applications, and control strategies for improving power quality in distribution systems.
- Power Quality
- Harmonic Filters
- Voltage Sag
- Active Power Filters
- Dynamic Voltage Restorers
- Reactive Power Compensation
- Wavelet Transform
- Neural Network
- Distribution System
- Control Strategies
- Research works
- 16k fractional, since 1950
- In the world top 10%
- 1.5k per year above
- Top-10% rate
- 9.5% share of its works in the world top 10%
- Growth, 2013–17 → 2018–22
- +15% the tick is no change
Which countries lead Power Quality and Harmonics research?
By volume, India and China publish the most (564 and 531 works in 2022–2025).
How concentrated that is
The same countries as shares of everything the list above accounts for. A node where two countries do two thirds of the work and one spread evenly across twelve read alike as a ranking and not at all alike here.
Shares of the rows listed above, not of the whole node.
Which institutions lead Power Quality and Harmonics research?
By volume in 2022–2025, State Grid Corporation of China (China) publishes the most Power Quality and Harmonics research, followed by China Southern Power Grid (China) and North China Electric Power University.
By volume, 2022–2025
- 1 State Grid Corporation of China (China)China 29 works
- 2 China Southern Power Grid (China)China 24 works
- 3 North China Electric Power UniversityChina 20 works
- 4 Shanghai Electric (China)China 20 works
- 5 Sichuan UniversityChina 18 works
- 6 Hohai UniversityChina 16 works
- 7 Xi'an Jiaotong UniversityChina 15 works
- 8 Delhi Technological UniversityIndia 14 works
- 9 Shandong UniversityChina 13 works
- 10 Vellore Institute of Technology UniversityIndia 12 works
Who are the leading researchers in Power Quality and Harmonics?
The most-cited researchers publishing on Power Quality and Harmonics include Frede Blaabjerg, José Rodríguez and A. S. Cerqueira.
- 1 Frede Blaabjerg Denmark 12k citations
- 2 José Rodríguez Chile 6.8k citations
- 3 A. S. Cerqueira United States 6.8k citations
- 4 Josep M. Guerrero Denmark 5.6k citations
- 5 Marco Liserre Germany 4.6k citations
- 6 Remus Teodorescu Denmark 4.2k citations
- 7 Fang Zheng Peng United States 3.7k citations
- 8 T.Α. Lipo United States 3.5k citations
- 9 Hirofumi Akagi Japan 3.3k citations
- 10 Bhim Singh India 3.3k citations
Ranked by citations received across their whole record, among researchers with at least three works on this topic.
Where is Power Quality and Harmonics research done?
The largest centres of Power Quality and Harmonics research in 2022–2025 are Beijing (China), Nanjing (China), Chennai (India) and Shanghai (China). Among places with at least 20 works in it, it is an unusually large share of all research in Bhubaneswar.
Largest cities, 2022–2025
Where it is the local speciality
- BhubaneswarIN · 28.0 works9.7×
Location quotient: how much more of its research is in Power Quality and Harmonics than the world average.
Where is the best place to study Power Quality and Harmonics?
Among universities, judged by research, Hohai University, University of Wollongong and Delhi Technological University score highest, combining excellence, specialisation, size, growth and international reach. Research strength is one signal when choosing where to study; it does not measure teaching.
One dot per university in the table below. The upper left is the interesting corner: small places doing unusually strong work.
| # | University | Score | Top 10% | Specialisation | Works | Growth |
|---|---|---|---|---|---|---|
| 1 | Hohai UniversityChina | 67.0 | 17.1% | 10.8× | 16 | +56.0% |
| 2 | University of WollongongAustralia | 62.7 | 21.6% | 12.1× | 8 | -29.1% |
| 3 | Delhi Technological UniversityIndia | 60.8 | 8.8% | 20.0× | 14 | +192.0% |
| 4 | Siksha O Anusandhan UniversityIndia | 56.9 | 13.8% | 21.7× | 12 | +48.9% |
| 5 | Vellore Institute of Technology UniversityIndia | 54.6 | 17.6% | 4.6× | 12 | +184.0% |
| 6 | Moscow Power Engineering InstituteRussia | 50.1 | 4.0% | 26.4× | 10 | +503.7% |
| 7 | National Institute of Technology RourkelaIndia | 43.0 | 8.5% | 16.5× | 10 | -12.5% |
| 8 | Universidade Federal de Juiz de ForaBrazil | 42.9 | 1.1% | 14.6× | 10 | +146.7% |
| 9 | North China Electric Power UniversityChina | 40.8 | 0.8% | 11.3× | 20 | -41.3% |
| 10 | Universitatea Națională de Știință și Tehnologie Politehnica BucureștiRomania | 38.2 | 4.0% | 15.2× | 10 | +3.1% |
Universities only. Score blends excellence (30%), specialisation (25%), size (20%), growth (15%) and international reach (10%), 2015–2022; growth compares 2010–14 with 2015–19.
Is Power Quality and Harmonics research growing?
Output in 2018–2022 was 15% higher than in 2013–2017, peaking in 2025. The fastest-growing topics are Power Quality and Harmonics.
The same series as a ribbon — one cell per year, darker for more. The line above answers how much; this answers when.
Which topics inside it are moving
Growth and decline on one axis around a shared zero. Two lists side by side hide the thing that matters: whether the growth dwarfs the decline, or the other way round.