# A Constant-Pressure Hydraulic PTO System for a Wave Energy Converter Based on a Hydraulic Transformer and Multi-Chamber Cylinder

> Research article (Energies, 2021) · cited 13× · AI/ML

**Wikidata**: [openalex:W4205963056](https://www.wikidata.org/wiki/openalex:W4205963056)  
**Source**: https://4ort.xyz/entity/a-constant-pressure-hydraulic-pto-system-for-a-wave-energy-converter-based-on-a-hydraulic-transformer-and-multi-chamber-