Scope
This substation project encompasses the design and engineering of a 138/34.5 kV substation is Ohio. The primary objectives include the interconnection with the utility’s existing substation and the integration of a solar field. The specific scope of work includes:
- Civil and Structural Engineering:
- Development of foundation designs and calculations.
- Preparation of site plan drawings and general arrangement designs.
- Structural analysis for steel and concrete components.
- Electrical Engineering:
- Creation of single line diagrams (SLD) and three-line diagrams.
- Development of grounding analysis and design documents.
- Preparation of equipment wiring diagrams and relay panel designs.
- Generator Tie Engineering:
- Design of the transmission line connection (Gen-Tie) between the new substation and existing infrastructure.
- Construction Support Services:
- Review of construction documents and equipment submittals.
- On-site support during the construction phase to ensure adherence to design specifications.
Outcome
The project aims to provide enhanced grid capacity for renewable energy integration, specifically targeting the efficient connection of solar energy sources. The completed substation will serve as a critical junction for the distribution of electricity generated from renewable resources, supporting regional energy demands.
Challenges
- Interference with Existing Infrastructure: The design process required comprehensive analysis to avoid conflicts with existing transmission lines. ASEC employed innovative structural solutions to lower new transmission structures below existing lines, ensuring compliance with safety and operational standards.
- Coordination Among Stakeholders: Effective communication was required between multiple stakeholders. Delays in obtaining crucial data from utility providers resulted in a need for iterative design revisions.
- Design Adjustments Due to Client Feedback: Frequent changes requested by the client necessitated rapid assessment and modification of design parameters, impacting the overall project timeline and requiring meticulous tracking of revisions.
Value Adds by ASEC
- Innovative Structural Design: ASEC’s engineering team utilized advanced modeling software to optimize the design of the generator tie structures, facilitating clearance below existing infrastructure while adhering to NESC standards.
- Expertise in Renewable Energy Projects: ASEC’s experience in similar renewable projects enabled the application of best practices and compliance with relevant regulatory requirements, enhancing project feasibility.
- Comprehensive Construction Support: ASEC provided proactive construction assistance, which included detailed reviews of manufacturer drawings and prompt resolution of material discrepancies to maintain project schedules.
- System Integration Expertise: The design incorporated advanced grounding systems and protective measures to ensure the reliable operation of the substation within the broader electrical grid.
In summary, ASEC’s technical execution of the substation project demonstrates its proficiency in electrical and civil engineering for renewable energy applications, resulting in a robust design that facilitates efficient energy distribution and integration. The project underscores ASEC’s commitment to delivering technically sound solutions in the renewable energy sector.
