Bibliometric Analysis of Scientific Production on Energy Efficiency in Motor-Driven Systems

This work analyzes the world’s scientific production on energy efficiency in motor systems through bibliometric indicators. Bibliometrics is a method of quantitative analysis for scientific research, where data express the contribution of scientific knowledge from publications in certain areas. Production indicators are helpful for the planning and execution of public policies and the scientific community’s knowledge of the system it operates. In this way, bibliometric analysis can identify the primary means of publishing materials in the research area, the principal researchers, the leading research groups, among other possibilities. For this research, the search engine “Scopus” was used in the search in titles, abstract, and keywords, by Energetic Efficiency AND Electric Motors AND Energetic Policies, considering 30 years of production, from 1991 to 2021, published in English, being Journals Papers, Journals Reviews; Conference Articles, Conference Reviews. In the first 10 years analyzed (1990–2000), research focused on discussing the impact of Minimum Energy Performance Standards (MEPS) and the replacement of conventional electric motors with high efficiency motors. In the next 10 years analyzed (2000–2010), surveys showed concerns about advances in MEPS levels and in the efficiency of the electric motor and the driven load. In the last 10 years analyzed (2010–2020) researchers focused their research on electric mobility, and in the case of stationary motor drive the focus was on the entry of technologies present in Industry 4.0, such as Internet of Things, artificial intelligence, intelligent detection, pre-diagnosis, etc.