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Blog Posts (1)
- Delivering Renewable Power to the Utility Grid
Client Challenge Our client required additional infrastructure to deliver renewable power to the utility grid. For this interconnection, a collector system, collector interconnection substation, transmission line and upgrades to the interconnecting utility substation needed to be designed and constructed. How We Helped Our team were required to complete the collector system, collector interconnection substation, transmission line and the local utility substation upgrade designs. The collector interconnection substation was a greenfield design; however, it was built directly adjacent to the existing 345kV utility substation. This required our team to design a shared fence and new 345kV bus connection over the shared fence to the existing substation to facilitate the interconnection. Major equipment in the interconnecting substation on the 345kV side includes arresters, coupling capacitor voltage transformers, circuit breaker and motor operated disconnect switches along with a 345/115kV, 180/240/300MVA transformer. Major equipment on the 115kV side includes arresters, potential transformers, disconnect switches, circuit breakers, circuit switchers, station service transformer and two 25MVAR capacitor banks each with 75 micro-henry reactors. A control shelter design was provided to house the AC/DC systems as well as the protection and control equipment. A 59-mile, 115kV transmission line connects the collector substation to the collector interconnection substation. The collection system consisted of four 34.5kV feeder circuits connecting forty-eight 3.075MW Vestas V112 turbines to the collector substation. A 115/34.5kV collector substation connects the collector system to the transmission line. The SGC Engineering team were responsible for the collection system and transmission line designs as well as substation civil, electrical, protection and control design. These included a 30% conceptual design, a 75% design for review, an issue for construction design and a final record drawing submittal. SGC completed all required studies, protection settings, equipment specifications and provided construction support. Powerful Results The project was completed on time, on budget and there were no notable issues with the final design. The client was pleased with the final product and has continued to utilize SGC Engineering on subsequent renewable projects. Read more of our case studies here.
Other Pages (17)
- SGC Power Engineering
Across sectors and states, we’re here to solve your engineering challenges, maximize your investment and help you shape what’s next . Learn More Our Services Services Power Engineering Next Bring your vision and your project’s technical, financial and political challenges to our experts. Civil/ Structural Engineering Next Whatever’s needed to develop your site, we’re ready to support your people. Transmission & Distribution Engineering Next We understand electrical transmission and distribution line design, construction, operation and maintenance in detail. 120 clients across North America 450 utility projects since 2002 2330 renewable MWs wind, solar and storage projects supported Utilities Learn More Maximizing performance and overhauling a local substation electrical system "SGC Engineering was involved in nearly every aspect of the project." Read More Delivering Renewable Power to the Utility Grid For this interconnection, a collector system, collector interconnection substation, transmission line and upgrades to the interconnecting utility substation needed to be designed and constructed. Read More Have a question or need some advice? Talk to one of our experts today. Contact Us
- Protection & Control Services | Power Engineering
POWER ENGINEERING Protection & Control Services We provided engineering design and support for all aspects of substation engineering. SGC offers experience and expertise to meet the needs of clients in the utility, generation, and industrial sectors. As the demand for energy increases, the complexity of the associated power grid increases as well. SGC Engineering provides engineering design and support for all aspects of electrical power system protection and control engineering. We pride ourselves on excellence and expertise. We go above and beyond our client’s expectations, providing them with protection and control systems they can rely on. We are familiar with the latest industry standards and are dedicated to providing excellent service while meeting clients schedule and budget. SGC ensures that all its members are up to date on the latest standards from NERC, FERC, IEEE, IEC, ISO, and more. SGC is well versed in system protection and control applications for electrical systems such as transmissions and distribution lines, inverters, generators, transformers, instrument transformers, GIS/AIS switchgear, reactors, capacitors, STATCOMS, synchronous condensers, breakers, protection and control cabinets, and PLCs. In any field, industry experience is essential in completing a project on time and under budget. Our engineers excel with installations including but not limited to substations, transmissions systems, wind turbines, photovoltaics, hydro power, battery storage, energy distribution, substations, power generation, and unique projects in the commercial and industrial sectors. Design & Analysis Services One-line & single diagram design Schematic and elementary design Wiring and interconnection design Relay settings studies and design Revenue metering Communications systems design IEC-61850 peer-to-peer design Short circuit, power flow and harmonic analysis Event analysis, troubleshooting and corrective action support RTU, HMI, PLC, and integration design NPCC BPS compliant design Compliance analysis Planning & Support Services Secondary and low-voltage equipment specifications Producing operational descriptions and switching orders Planning outage and construction sequencing Supporting with testing, commissioning and project management Providing staff augmentation and owner’s engineering services Learn more about our Power Engineering service offerings. Learn More Have a question or need some advice? Talk to one of our experts today. Contact Us
- Testing & Commission | Power Engineering
POWER ENGINEERING Testing & Commission Your system’s reliability is not only impacted by the quality of the design product, it is also affected by the level of integrity and the qualifications of the people who commissioned it. Our technically qualified experts are on hand to support challenging situations, benefitting all sectors of the industry. Our Testing & Commission Services Cover: High and medium voltage equipment Underground cables and transformers Protection and control systems Integration and automation systems Relay settings protection and logic testing Relay panel/cabinet factory acceptance testing SCADA/RTU systems Factory acceptance IEC-61850 peer-to-peer schemes Compliance and code enforcement inspections Outage and maintenance coordination support Event analysis, troubleshooting and corrective action support Commissioning management and oversight Energizing, Planning & Support Services Providing field support and commissioning Reviewing equipment test results Performing testing and validating relay test results Planning outage and construction sequencing Learn more about our Power Engineering service offerings. Learn More Have a question or need some advice? Talk to one of our experts today. Contact Us