Power electronics innovation: solid-state transformers, medium-voltage switchgear, SiC and GaN power semiconductors, megawatt charging power stages, and MV converter deployments.
4 sources NSF Generation-III Engineering Research Center launched 2008 at NCSU. Y10 SST program led by Dr. Subhashish Bhattacharya Read More
2 sources Microchip launched 3.3 kV HV-D3 mSiC power modules (100-300 A, 62 mm) designed to halve device count in Read More
4 sources IEEE 519-2022 sets 5% voltage THD limit at utility-customer interface. Conventional MW chargers routinely exceed 5% THD and Read More
4 sources Iron-core transformer technology, unchanged since 1886, has outlasted every solid-state challenger by offering single-step voltage conversion with Read More
4 sources The solid-state transformer has carried four different names across 50 years—electronic transformer, PETT, IUTS—still used Read More
4 sources Single-stage AC-AC solid-state transformers remain lab-only; every commercial SST shipped in 2026 uses the two-stage AC-DC-AC topology Read More
3 sources ABB PETT pilot on SBB Ee 933 shunting locomotive, mid-2011 deployment. Swiss Federal Office for Transport certification Read More
4 sources MIT 2024 research identifies AI accelerator loads drawing reactive power beyond what conventional transformers supply; solid-state transformers Read More
4 sources DC-link capacitors are the single biggest lifetime determinant in solid-state transformers. Dielectric degradation and ESR rise Read More
4 sources MFT operating frequency 5-100 kHz, commercial sweet spot 10-30 kHz. Conventional silicon-steel cores fail above ~1 kHz Read More