Electrical power transformer and electrical power transformation system
US12243677B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 25, 2023 |
| Grant date | Mar 4, 2025 |
| Priority date | — |
| Expiry date | Jan 25, 2043 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02M5/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A three phase transformer apparatus for a three phase electrical power transformation system is provided. For each phase of the three phase transformer apparatus the three phase transformer apparatus comprises: an upper core limb having a first end and a second end, a lower core limb having a third end and a fourth end, a first coil assembly comprising a first primary coil and a first secondary coil, and a second coil assembly comprising a second secondary coil and a control coil. The first primary coil and the first secondary coil of each first coil assembly are wound concentrically around the upper core limb or the lower core limb of the respective phase. The second secondary coil and the control coil of each second coil assembly are wound concentrically around the other of the upper core limb and the lower core limb of the respective phase. The second secondary coil of each second coil assembly is connected in series to the first secondary coil of the first coil assembly of the respective phase. The three phase transformer apparatus further comprises a first yoke portion connected between each of the first ends of the upper core limbs, a second yoke portion connected between eac…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.