Ujjwal Karki

Modulation and Control of Transformerless UPFC

Shuitao Yang, Yang Liu, Xiaorui Wang et al. · IEEE Transactions on Power Electronics · 2015 · 96 citations

Engineering, Electrical Engineering, Power Electronics +16

Transformer-Less Unified Power-Flow Controller Using the Cascade Multilevel Inverter

Fang Zheng Peng, Yang Liu, Shuitao Yang et al. · IEEE Transactions on Power Electronics · 2015 · 95 citations

Engineering, Electrical Engineering, Energy Systems +13

Effect of Gate-Oxide Degradation on Electrical Parameters of Power MOSFETs

Ujjwal Karki, Fang Zheng Peng · IEEE Transactions on Power Electronics · 2018 · 76 citations

Engineering, Electrical Engineering, Microelectronics +16

Application of Transformer-Less UPFC for Interconnecting Two Synchronous AC Grids With Large Phase Difference

Yang Liu, Shuitao Yang, Xiaorui Wang et al. · IEEE Transactions on Power Electronics · 2015 · 53 citations

Engineering, Electrical Engineering, Energy Systems +14

Effect of Gate-Oxide Degradation on Electrical Parameters of Silicon Carbide MOSFETs

Ujjwal Karki, Nomar S. Gonzalez-Santini, Fang Zheng Peng · IEEE Transactions on Electron Devices · 2020 · 53 citations

Engineering, Electrical Engineering, Materials Science +17