Mahesh Toraskar Inverter-Duty Transformers vs Ordinary Transformers: What Really Changes Why this matters: When transformers work with variable-frequency drives (VFDs), they don’t see a clean sine wave. They see PWM edges, high dv/dt, common-mode voltage, and heavy harmonic currents. “Ord... Inverter Duty Transformer K-factor Renewable Energy Power Inverters dv/dt pwm harmonics Dec 14, 2025
