B-1-(iii)Appendix 3 - HSV-2024-043-SREP02 Feasibility Study
4 passages
INTRODUCTION The main dam of Factorydale Hydropower Plant under the management of Berwick Electric Commission (BEC), is a concrete and earthen embankment structure raised to provide approximately 80 ft of head for the turbine/generator sys...
AI summary The Factorydale Hydropower Plant, managed by Berwick Electric Commission, suffered a 2023 incident causing permanent power loss due to a solid object damaging turbine components. A Condition Assessment and Root Cause Analysis (RCA) identified the failure's origin. The report evaluates refurbishment feasibility, including upgrading the turbine, generator, and infrastructure to improve efficiency and reliability.
2.3.3 Turbine The proposed project involves the installation of a new Francis-type hydro turbine, designed to deliver a power output ranging between 650 and 750 kW, intended to replace the existing unit at the Factorydale hydroelectric pla...
AI summary The project involves installing a new Francis-type hydro turbine at the Factorydale hydroelectric plant, replacing the existing unit. It requires efficiency under variable flow conditions, integration with existing systems, compliance with IEC/ASME standards, corrosion protection, and rigorous testing. The turbine must withstand harsh coastal climates and sediment-laden flows, with a 50-year service life and 90% efficiency under nominal conditions.
2.3.9 Excitation System The proposed project involves supplying and installing a new Static Excitation System (SES) to support the new generating unit rated between 650 kW and 750 kW. The SES will be designed to ensure structural compatibi...
AI summary The proposed project involves installing a Static Excitation System (SES) for a 650-750 kW generating unit, featuring advanced cooling, microprocessor control, multiple operational modes, and compliance with IEC/CSA standards. The system will integrate with the plant's CADA system for remote monitoring and undergo Factory/Site Acceptance Testing to ensure performance and safety.
Table 5: Risk Evaluation. Key Risks Probability Impact Risk Mitigation Strategies Technical Risks Integration of new turbine with existing civil infrastructure Medium High Detailed civil and structural assessment already completed; design...
AI summary The document outlines key technical risks associated with the integration of a new turbine, including structural compatibility, design assumptions, component availability, SCADA communication, cooling performance, vibration, and cybersecurity. Mitigation strategies include detailed assessments, conservative design parameters, redundancy, and adherence to cybersecurity standards.