Hitachi Energy

Company

Hitachi Energy provides grid solutions, including transformers, substations, and power electronics for energy transmission and distribution.

Sector: power-electronics
HQ: CH
Stories: 53 on MGRID.org

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Stories about Hitachi Energy (53)

State of Power Quality & Standards: Grid Operators Face October

June 2, 2026 · Analysis

Grid operators face an October 2026 NERC PRC-030-1 compliance deadline as AI infrastructure and megawatt EV charging push harmonic and reactive-power standards beyond their original design limits.
Solid-State Transformer Industry Reality Check: What Patents

May 27, 2026 · Analysis

10 sources A May 2026 audit found fewer than 10 commercially deployed SSTs in global revenue service, while dozens of announced projects remain years from deployment.
The MGRID Solid-State Transformer Coverage: A Comprehensive Index

May 27, 2026 · Analysis

Index of ~100 MGRID articles published May 2026 covering SST origins, manufacturers, deployments, federal programs, technology foundations, and applications.
The 1968 GE Patent That Founded Solid-State Transformer Technology

May 27, 2026 · Power Electronics

4 sources US Patent 3,517,300 filed at GE Schenectady in 1968 by William McMurray. Original motivation: 16.66 Hz European locomotive traction transformer weight reduction
Why the Iron-Core Transformer Has Outlasted Every Replacement

May 24, 2026 · Power Electronics

4 sources Iron-core transformer technology, unchanged since 1886, has outlasted every solid-state challenger by offering single-step voltage conversion with near-zero failure risk.
Why Single-Stage AC-AC Solid-State Transformers Are the Holy Grail —

May 23, 2026 · Harmonics (THD)

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 instead.
ABB’s 2011 PETT on Swiss Federal Railways Was the First Solid-State Transformer in Revenue Rail Service

May 23, 2026 · News

3 sources ABB PETT pilot on SBB Ee 933 shunting locomotive, mid-2011 deployment. Swiss Federal Office for Transport certification end of 2011
When the Transformer Is Also the Reactive Power Compensator: How

May 22, 2026 · Power Electronics

4 sources MIT 2024 research identifies AI accelerator loads drawing reactive power beyond what conventional transformers supply; solid-state transformers fulfill both roles.
The Medium-Frequency Transformer

May 20, 2026 · Power Electronics

4 sources MFT operating frequency 5-100 kHz, commercial sweet spot 10-30 kHz. Conventional silicon-steel cores fail above ~1 kHz due to eddy-current and hysteresis losses
Eaton Commits S$3 Million for NUS-Led Sustainable Tropical Data

May 20, 2026 · Data Centers

3 sources Eaton committed S$3M to the NUS Sustainable Tropical Data Centre Testbed, anchored by a 2.5 MW medium-voltage solid-state transformer at Jurong Island, Singapore.

Stories about Hitachi Energy (53)

State of Power Quality & Standards: Grid Operators Face October

Solid-State Transformer Industry Reality Check: What Patents

The MGRID Solid-State Transformer Coverage: A Comprehensive Index

The 1968 GE Patent That Founded Solid-State Transformer Technology

Why the Iron-Core Transformer Has Outlasted Every Replacement

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

ABB’s 2011 PETT on Swiss Federal Railways Was the First Solid-State Transformer in Revenue Rail Service

When the Transformer Is Also the Reactive Power Compensator: How

The Medium-Frequency Transformer

Eaton Commits S$3 Million for NUS-Led Sustainable Tropical Data