8. Conclusion

The various sections of this article have shown the technological peculiarities of PCHs, as well as their mode of operation, which sets them apart from large-scale plants. Hydropeaking or run-of-river hydropower is also a specific feature of these plants. The electromechanical converters and associated turbines remain sufficiently efficient with reasonably variable heads or flows to avoid the need for complex static variable-speed energy conversion devices. They have been designed for reliability and achieve very high efficiencies (>95%).

Finally, thanks to similarity relationships, PCHs benefit from the advances made in the design of large hydraulic machines, as well as current control and command resources: PLCs and programmable relays that facilitate their operation and optimize their energy efficiency.

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Bibliography

References

(1) - GINOCCHIO (R.) - L'Énergie hydraulique - . Eyrolles (1978).
(2) - Énergie pour l'avenir : les sources d'énergie renouvelables. Livre blanc établissant une stratégie et un plan d'action communautaires - . Commission...

Installation and connection regulations

Authorizations and decrees

In France, there are two procedures, depending on the size of the work required to develop a site on a watercourse:
- authorization request for minor sites ;
- concession applications for major sites.
Numerous...

Standardization

Postes de livraison établis à l'intérieur d'un bâtiment et alimentés par un réseau de distribution publique HTA (jusqu'à 33 kV) - NF C 13-100 - avr. 2001
Installations de branchement à basse tension - NF C 14-100 - janv. 1998

...