Research

61 articles

R&D milestones, lab testing, and experimental deployments

All 61 Research 61

Harmonics (THD) Power Electronics Power Quality Research Solid State Transformers Standards & Compliance

How Solid-State Transformers Solve the IEEE 519 Harmonic Problem

Marin Holt May 25, 2026

4 sources IEEE 519-2022 sets 5% voltage THD limit at utility-customer interface. Conventional MW chargers routinely exceed 5% THD and Read More

Power Electronics Research Solid State Transformers Standards & Compliance

Why the Iron-Core Transformer Has Outlasted Every Replacement

Marin Holt May 24, 2026

4 sources Iron-core transformer technology, unchanged since 1886, has outlasted every solid-state challenger by offering single-step voltage conversion with Read More

Power Electronics Research Solid State Transformers Standards & Compliance

From “Electronic Transformer” to “Intelligent Universal Transformer”: A Naming History of the Solid-State Transformer

Marin Holt May 24, 2026

4 sources The solid-state transformer has carried four different names across 50 years—electronic transformer, PETT, IUTS—still used Read More

Harmonics (THD) Power Electronics Research Solid State Transformers

Why Single-Stage AC-AC Solid-State Transformers Are the Holy Grail —

Marin Holt May 23, 2026

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

Power Electronics Power Factor Research Solid State Transformers Voltage & Reactive Power

When the Transformer Is Also the Reactive Power Compensator: How

Marin Holt May 22, 2026

4 sources MIT 2024 research identifies AI accelerator loads drawing reactive power beyond what conventional transformers supply; solid-state transformers Read More