The Thesis is aimed to analyze the impact of the digitalization on High Voltage electric components. Particularly, a technical comparison between traditional switchgear apparatus and innovative digital solutions, based on electronic components, is deeply analyzed, pointing out the main advantages and peculiarities. The High Voltage SF6 gas insulated Circuit Breaker is the main affected component by the digitalization; it allows to change the maintenance approach over the entire substation lifetime, providing the possibility to move from a traditional time based maintenance towards a more efficient and effective predictive and, where applicable, remote maintenance. The impact of the digital technologies affects not only a substation, but also the transmission network reliability. To demonstrate the reliability improvement and the economic advantages thanks to these technologies, different scenarios are evaluated from economical point of view. Digital substations are particularly suggested in extreme application, such as offshore wind power plant and risky countries, while they are less effective in a general and easily manageable scenario.
La presente Tesi ha l’obiettivo di analizzare l’impatto dell’applicazione di tecnologie digitali su componenti elettrici di Alta Tensione. In particolare, è stato svolto un confronto tra sottostazioni tradizionali, approfondendo tecnicamente le apparecchiature da cui esse sono composte, e sottostazioni innovative digitali, in cui nuove tecnologie elettroniche sono trattate in modo approfondito. L’interruttore dimensionato per l’alta tensione, isolato in gas, è l’elemento più influenzato da dispositivi intelligenti; essi consentono di cambiare drasticamente le strategie manutentive, predisponendo l’adozione di manutenzione predittiva grazie a sistemi di monitoraggio sulle apparecchiature elettriche. Ne consegue un sostanziale aumento di affidabilità sulla rete di trasmissione elettrica, oltre ad un importante risparmio economico da parte dell’utente. Per dimostrare i vantaggi economici e di affidabilità garantiti dalla digitalizzazione, sono confrontati alcuni scenari che evidenziano come essa sia particolarmente utile in applicazioni estreme, come impianti eolici offshore e paesi ad altro rischio, rispetto ad uno scenario più generale e facilmente gestibile.
Impact of digitalization of HV apparatus on substation reliability, life cycle cost and applications
RAIMONDI, LEONARDO GABRIELE
2019/2020
Abstract
The Thesis is aimed to analyze the impact of the digitalization on High Voltage electric components. Particularly, a technical comparison between traditional switchgear apparatus and innovative digital solutions, based on electronic components, is deeply analyzed, pointing out the main advantages and peculiarities. The High Voltage SF6 gas insulated Circuit Breaker is the main affected component by the digitalization; it allows to change the maintenance approach over the entire substation lifetime, providing the possibility to move from a traditional time based maintenance towards a more efficient and effective predictive and, where applicable, remote maintenance. The impact of the digital technologies affects not only a substation, but also the transmission network reliability. To demonstrate the reliability improvement and the economic advantages thanks to these technologies, different scenarios are evaluated from economical point of view. Digital substations are particularly suggested in extreme application, such as offshore wind power plant and risky countries, while they are less effective in a general and easily manageable scenario.File | Dimensione | Formato | |
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10527179 TESI Raimondi Leonardo Gabriele.pdf
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Descrizione: Master's Degree Thesis
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https://hdl.handle.net/10589/174122