Nageswar Rao, B.Yellasiri, Y.Shiva Naik, B.S.Aditya, K.2026-02-042023Electrical Engineering, 2023, 105, 4, pp. 2007-20199487921https://doi.org/10.1007/s00202-023-01786-7https://idr.nitk.ac.in/handle/123456789/21813This article proposes a nine-level (9 L) inverter with a common leg configuration employing transformers and a single dc source. The suggested inverter uses eight switches and two transformers to produce 9 L output voltage. The suggested circuit minimizes the switches and transformers compared with existing transformer-based multilevel inverters (TMLI). Therefore, the proposed circuit cost, volume and complexity are also reduced. Additionally, a thorough comparison with the various 9 L inverter circuits is conducted to ensure the benefits of the suggested TMLI. A basic logic gate-based pulse width modulation (PWM) is implemented for the suggested 9 L inverter. Simulation and hardware studies verifying the feasibility and proficiency of the suggested inverter are performed. © 2023, The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature.DC transformersElectric invertersBasic logic gatesComponent countInverteInverter circuitMultilevel systemsMultilevelsOutput voltagesPulse width modulation invertersSingle dc sourceTransformerPulse width modulation