Hailong II and Hailong III: Electrical FEED study Customer: Northland Power & Yushan Energy Location: Taiwan Strait, Taiwan Period: 2018 Activities: Engineering Scope: Array cables, offshore substations, export cables and onshore substation The solution A full FEED study aimed at optimizing the grid connection solution for the Hailong II and Hailong III offshore wind farms. The study included: • Optimizing the array and export cable layout • The offshore substation design and layout • The export cable layout • The onshore substation design and layout • Grid calculations and details around jacket construction and soil conditions • Cost models for the fabrication of 300 MW, 512 MW and 532 MW offshore substations Competences and systems • High-, medium- and low-voltage systems • Diesel generator systems • Protection and control systems • Array and export cables • Structural elements – jacket and OSS topside • Onshore substation • Project management • Drainage and waste systems • HVA/C systems • Communication and IT systems • Platform identification systems • Transport/spacing • Electrical grid calculations • Redundancy concepts Highlights • Client succeeded in the auction and project is set for delivery • The electrical FEED study was delivered within time and budget • A high engineering performance was achieved in a short time frame • Positive customer feedback on the quality of work and communication 4 I Project references
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