The new 36 kV standard voltage level to increase RES penetration in sub-transmission network

System efficiency and renewable technologies are the core elements of the energy transition, and their synergies are likewise important. In recent years the connection requests for RES power plants have significantly grown, mainly involving the High Voltage (HV) sub-transmission network. In this fra...

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Bibliographic Details
Published in2022 AEIT International Annual Conference (AEIT) pp. 1 - 6
Main Authors Carlini, Enrico Maria, Gadaleta, Corrado, De Cesare, Alfonso, Migliori, Michela, Giordano, Chiara, Moroni, Silvia
Format Conference Proceeding
LanguageEnglish
Published AEIT 03.10.2022
Subjects
36 kV standard voltage level
High-voltage techniques
Iterative methods
load flow analysis
operation islands
Power systems
Production
Renewable energy sources
RES penetration
Statistical analysis
sub-transmission network
Time series analysis
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Summary:System efficiency and renewable technologies are the core elements of the energy transition, and their synergies are likewise important. In recent years the connection requests for RES power plants have significantly grown, mainly involving the High Voltage (HV) sub-transmission network. In this framework, the Italian Transmission System Operator (TSO) has designed novel technical and operational solutions allowing a secure and cost-efficient integration of new connections. This paper addresses the new 36 kV standard voltage level proposed for RES power plants with rated power lower than 100 MW. Furthermore, a representative case study on the southern areas of Italy is illustrated. Increase of RES penetration margin by exploitation of operation islands is also assessed.
DOI:10.23919/AEIT56783.2022.9951764