Abstract
This paper presents the study of variable-speed Pump Storage Powerplant (PSP) in the Portuguese power system. It evaluates the progressive integration in three major locations and compares the power system performance following a severe fault event with consequent disconnection of non-Fault Ride-through (FRT) compliant Wind Farms (WF). To achieve such objective, a frequency responsive model was developed in PSS/E and was further used to substitute existing fixed-speed PSP. The results allow identifying a clear enhancement on the power system performance by the presence of frequency responsive variable-speed PSP, especially for the scenario presented, with high level of renewables integration.
Highlights
On the last decades, European countries have been adopting renewable generation to cope the European Union ambitious targets on green-house gases reduction and on the share of renewable energy in the electricity consumption
For the sake of the work presented in this paper, the original idea consisted on transposing the reduced-order model to PSS/E via an add-on called Graphical Model Builder (GMB) that basically should help on the transposition of the aforementioned model to PSS/E
The work presented in this paper consisted on evaluating the performance of the Portuguese Power system facing the progressive integration of frequency responsive variable-speed Pump Storage Powerplant (PSP) in key locations, substituting fixed-speed PSP
Summary
European countries have been adopting renewable generation to cope the European Union ambitious targets on green-house gases reduction and on the share of renewable energy in the electricity consumption. The work presented in this paper is focused in the evaluation of the Portuguese power system transient stability with the penetration of frequencyresponsive variable-speed PHS. 2. Modelling of variable-speed PHS for transient stability studies in large power systems. The work carried out in the FP7 Hyperbole Project, consisted on the developing and evaluating the performance of reduced-order models for representing variable-speed PSP based on Doubly-fed Induction Generator (DFIG) and on Full Scale Frequency Converter (FSFC) technologies. The major outcome from this task consisted on the identification that the reduced-order model represents the major PSP dynamics, being sufficient for transient stability studies
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