Optical storage system for compensating water hammer effect of water turbine and its cooperative frequency modulation method
US12355246B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 17, 2025 |
| Grant date | Jul 8, 2025 |
| Priority date | — |
| Expiry date | Jan 17, 2045 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02J2300/24
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An optical storage system designed to compensate for the water hammer effect in hydropower turbines and its cooperative frequency modulation method are provided. The method involves detecting the water hammer effect and utilizing a pre-established system model integrating a hydropower unit, photovoltaic system, and hybrid energy storage system. Through model predictive control combined with a whale optimization algorithm, the governor parameters of the hydropower unit are optimized. The system then obtains the photovoltaic active power output and the battery's state of charge (SOC) within the hybrid energy storage system. Based on these parameters, a collaborative control strategy for the photovoltaic and hybrid energy storage systems is determined and executed. This strategy enables effective control of the photovoltaic system and/or hybrid energy storage to compensate for reverse power adjustments in the hydropower unit, addressing the water hammer effect and ensuring stable power grid operation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.