Figure 1 from Beyond Induction Motors—Technology Trends to Move Up Efficiency | Semantic Scholar
Efficiency levels defined by IEC 60034-30 for a 4-poles, 50Hz SCIM [3]. | Download Scientific Diagram
Measuring the efficiency of induction motors: what is the actual scenario? - Electric Motor Engineering
OVE/ONORM EN 60034-30-1:2015 - Rotating electrical machines - Part 30-1: Efficiency classes of line operated AC motors (IE code) (IEC 60034-30-1:2014) (english version) (Austrian Standard)
NEMA vs. IEC Efficiencies | ABB
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PDF) Technical note IEC 60034-30-1 standard on efficiency classes for low voltage AC motors | Rathna Chitroju - Academia.edu