Coordinated voltage control and reactive power regulation between transmission and distribution systems
US11387651B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Aug 7, 2019 |
| Grant date | Jul 12, 2022 |
| Priority date | — |
| Expiry date | Jun 16, 2040 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY04S20/222
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Systems and methods are described for coordinating volt-var control between sub-transmission and distribution systems. Distributed energy resources of a distribution system are aggregated into virtual power plants from which reactive power can optimally be dispatched to the sub-transmission system. A sub-transmission controller executes a volt-var AC optimal power flow optimisation function to minimize voltage fluctuations that might otherwise occur when coordinating with a distribution system having distributed energy resources. The distribution system can use a sensitivity matrix for regulating voltage at distribution feeders while fulfilling a transmission or sub-transmission system's demand requests.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.