Optimization-based reactive power control in HVDC-connected wind power plants
Visualitza/Obre
10.1016/j.renene.2017.02.081
Inclou dades d'ús des de 2022
Cita com:
hdl:2117/104548
Tipus de documentArticle
Data publicació2017-08-01
Condicions d'accésAccés obert
Llevat que s'hi indiqui el contrari, els
continguts d'aquesta obra estan subjectes a la llicència de Creative Commons
:
Reconeixement-NoComercial-SenseObraDerivada 3.0 Espanya
Abstract
One application of high–voltage dc (HVdc) systems is the connection of remotely located offshore wind power plants (WPPs). In these systems, the offshore WPP grid and the synchronous main grid operate in decoupled mode, and the onshore HVdc converter fulfills the grid code requirements of the main grid. Thus, the offshore grid can be operated independently during normal conditions by the offshore HVdc converter and the connected wind turbines. In general, it is well known that optimized reactive power allocation might lower the component loading and power losses. This paper aims to propose and assess a reactive power allocation optimization within HVdc–connected WPPs. For these systems, the offshore converter operates the adjoining grid by imposing frequency and voltage. The reference voltage magnitude is used as additional control variable for the optimization algorithm. The loss function incorporates both the collection grid and the converter losses. The use of the proposed strategy results in an effective reduction of losses compared to conventional reactive power dispatch strategies alongside with improvements of the voltage profile. A case study for a 500 MW–sized WPP demonstrates an additional annual energy production of 6819 MWh or an economical benefit of 886 k€yr-1 when using the proposed strategy.
CitacióSchönleber, K., Collados, C., Teixeira, R., Ratés, S., Gomis-Bellmunt, O. Optimization-based reactive power control in HVDC-connected wind power plants. "Renewable energy", 1 Agost 2017, vol. 109, p. 500-509.
ISSN0960-1481
Versió de l'editorhttp://www.sciencedirect.com/science/article/pii/S0960148117301738
Fitxers | Descripció | Mida | Format | Visualitza |
---|---|---|---|---|
RENE-D-16-00926_post-print.pdf | 747,2Kb | Visualitza/Obre |