N-1Application - CI C0071528 - FLISR Implementation - Redacted
8 passages
DESCRIPTION: Fault Location, Isolation and Service Restoration (FLISR) is a system of distribution protection devices sited to allow automatic and remote re-configuration of the distribution grid. Its purpose is to improve feeder reliabili...
AI summary The document describes the Fault Location, Isolation and Service Restoration (FLISR) project, which involves installing three FLISR technologies across four geographic areas in Nova Scotia to improve feeder reliability. The project is part of NS Power's Advanced Grid Modernization investment and includes federal government funding to reduce customer costs.
JUSTIFICATION: Justification Criteria: Distribution Sub Criteria: Distribution System Protection
AI summary The justification criteria for distribution include the sub-criteria of distribution system protection, indicating a focus on safeguarding the distribution network within the regulatory proceeding.
Why do this project this way? This project will install three different technology solutions and approaches to FLISR, which will then be analyzed to inform future deployments. These technologies will be installed in accordance with NS Powe...
AI summary The project involves installing three FLISR technologies to improve reliability in both rural and urban areas of Nova Scotia. Automated segmentation and decentralized FLISR solutions are being deployed in Cape Breton and Halifax, respectively, using S&C PulseFinding™ technology to minimize fault exposure and improve outage management.
REDACTED CI C0071528 Page 3 of 6 REDACTED (CONFIDENTIAL INFORMATION REMOVED) • Centralized FLISR leverages FLISR capabilities in the NS Power ADMS for visibility and control of installed and configured protection devices. Centralized FLISR...
AI summary The text discusses the implementation of centralized FLISR in NS Power's ADMS, which enhances grid control and flexibility during outages. It highlights key locations on the Halifax peninsula served by specific substations and catering to a large customer base.
The table below provides a scope summary and pricing for S&C's equipment. EQUIPMENT tem Qty. Description Unit Price Ext. Price 1 7 S&C Catalog Number: 248113R1-C12N6P163R332W1 27 KV UPRIGHT-CROSSARM NON-DISCONNECT STYLE INTELLIRUPTER PULSE...
AI summary The text presents a table summarizing the scope and pricing for S&C's equipment, including catalog numbers and descriptions of specific electrical components such as surge arrestors and interrupters.
S&C Electric Company Proposal No. BD-13736 Nova Scotia Power, Incorporated – Wreck Cove Feeder TOTAL: $ CAD Net L30 - ENHANCED LABELING FOR SHIPPING CARTONS. O - EXTENDED OPEN INTERVAL - 30 SEC DELAY. Nova Scotia Power plans to use their c...
AI summary The document outlines a proposal by S&C Electric Company (BD-13736) for Nova Scotia Power, Incorporated, related to the Wreck Cove Feeder. It includes details about equipment specifications, such as enhanced labeling for shipping cartons, remote drop open features, and specific catalog numbers for components like the TripSaver II and Intellirupter.
REDACTED CI C0071528 Attachment 2 Page 5 of 21 S&C Electric Company Proposal No. BD-13736 Nova Scotia Power, Incorporated – Wreck Cove Feeder overcurrent damage in accordance with industry best practices and relevant standards. The study w...
AI summary The document outlines a proposal by S&C Electric Company regarding the Wreck Cove Feeder, focusing on overcurrent protection studies and system coordination analysis to ensure compliance with industry standards and best practices.
The table below provides a scope summary and pricing for S&C's services. SERVICES Item Description Price 3 Overcurrent Protection Device Coordination Study S&C Electric Company (S&C) will perform Overcurrent Protection Device Coordination...
AI summary The document outlines the scope and pricing for S&C Electric Company's services, including an Overcurrent Protection Device Coordination (OPDC) study and automation settings configuration for Nova Scotia Power's Sydney Feeder. The study involves analyzing and setting up protection devices to ensure selective coordination and equipment protection.
N-2NSPI (NSEB) RIR 1 to 9
17 passages
1 (d) NS Power has taken deliberate and sustained action, consistent with the investments 2 outlined in part (c), to support reliability performance on these feeders. NS Power believes 3 appropriate measures have been implemented to addres...
AI summary NS Power has implemented measures to improve reliability on specific feeders, including projects like FLISR. The feeders face challenges due to their remote locations, difficult terrain, and environmental risks. Asset replacement projects have been undertaken to address these issues and enhance reliability.
20 numerous bring to roadside projects have been advanced to reduce outage 1 interruptions. These feeders present operational challenges and constraints that 3/24/2023 11S-411 1.02 38 Foreign Interference 3/20/2023 11S-411 2.98 1 Defective...
AI summary The text details multiple outage events on specific feeders, including dates, durations, number of customers impacted, and causes such as defective equipment, adverse weather, tree contacts, and foreign interference. These outages are part of a broader effort to improve reliability through roadside projects.
• Sensor signals sent to Supervisory Control and Data Acquisition (SCADA) systems. SCADA systems provide near-real-time monitoring and control of devices on the grid, such as breakers, substation reclosers, and switches. Operators can obse...
AI summary The document discusses the use of SCADA systems for near-real-time monitoring and control of grid devices, as well as the installation of protection and control devices configured to respond to faults on distribution feeders.
NON-CONFIDENTIAL 1 Coordination (TCC). In a conventional coordination scheme, protective devices are 1 • After isolating faults, FLISR can restore power Automated Service Restoration: 2 to non-faulted areas of the grid. Independently confi...
AI summary The text discusses the role of FLISR in grid coordination, highlighting its ability to restore power, reconfigure the grid, and isolate faults quickly. It contrasts conventional P&C coordination with FLISR, noting the limitations of traditional methods and the benefits of FLISR in improving grid reliability and modernization.
1 (c) As noted in part (b), the project is not designed or intended to prevent outage events from 2 occurring, but improvements in reliability performance will be reflected in overall circuit 3 performance (CKAIDI and CKAIFI), primarily th...
AI summary The project aims to improve reliability performance through faster restoration and reduced customer impact, not to prevent outages. Performance will be evaluated using NS Power's asset management framework. FLISR technology was selected for its unique functionality and complementarity to existing systems, with federal funding offsetting capital costs.
Fault Location, Isolation, and Service Restoration (FLISR) provides advanced fault location and automated service restoration capabilities that reduce the impact and duration of power outages on customers. FLISR deployments are prevalent a...
AI summary Fault Location, Isolation, and Service Restoration (FLISR) is a grid modernization technology that enhances reliability by reducing outage impacts. It is prevalent in North American utilities and is being considered for deployment by NS Power in three configurations: Centralized, Decentralized, and Automated & Increased Segmentation. This aligns with NS Power's 5 Year Reliability Plan.
2.1 FLISR Technology FLISR is a system of distribution protection devices sited to allow automatic and remote reconfiguration of the distribution grid. Its purpose is to improve feeder reliability by minimizing the number of customers affe...
AI summary FLISR technology improves feeder reliability by automatically reconfiguring the distribution grid during outages. It includes automated segmentation, decentralized, and centralized approaches, each suited for different feeder configurations and grid conditions.
The primary goal of FLISR is to reduce the impact and duration of outages. The following table demonstrates how FLISR augments traditional technologies to provide the most benefits to customers. Method Customers Impacted Speed to Restorati...
AI summary FLISR aims to reduce outage impact and duration by improving restoration speed. Traditional methods like manual restoration and automated sectionalizers/reclosers have limitations in speed and scalability. FLISR provides faster and more precise fault isolation and restoration. Conventional P&C TCC coordination introduces delays and limits scalability.
2.3.2 System Visibility and Flexibility - Visibility and remote-control enablement of devices provides higher situational awareness for Distribution System Operators. - Robust integrations with the ADMS enhances distribution system flexibi...
AI summary The section emphasizes the importance of system visibility and flexibility through technologies like ADMS, which enhance situational awareness and coordination for Distribution System Operators, supported by real-time data and troubleshooting tools.
3.1.2 Electric Power Board Chattanooga[8](#page-47-3)[9](#page-47-4) Background: EPB Chattanooga leveraged US Department of Energy SGIG funding to rollout a service territory-wide FLISR deployment. Approach: EPB deployed 1100 S&C Electric'...
AI summary EPB Chattanooga deployed 1100 S&C Electric's FLISR devices across its 600-square-mile service territory using SGIG funding to improve outage management and grid reliability.
3.1.3 Georgia Powe[r10](#page-47-5) Background: Georgia Powerinstalled FLISR distribution technology on circuits serving more than 1.2 million customers across the state. Approach: Georgia Power implemented self-healing FLISR schemes on ov...
AI summary Georgia Power has implemented FLISR distribution technology on over 700 circuits, serving more than 1.2 million customers. This self-healing technology is aimed at improving grid reliability and reducing outage durations.
3.2.1 Hydro One[11](#page-48-1) Background: Hydro One's 2023–2027 Distribution System Plan (DSP) highlights a significant push to modernize grid operations through Advanced Distribution Management Systems (ADMS), where FLISR plays a pivota...
AI summary Hydro One's 2023–2027 Distribution System Plan emphasizes modernizing grid operations using Advanced Distribution Management Systems (ADMS), with FLISR playing a key role in enhancing reliability and resiliency through faster restoration.
3.2.3 Enova[13](#page-48-3) Background: Enova, and its two legacy utilities, leverage the Advanced Distribution Management System (ADMS) and FLISR deployments to lower the frequency and severity of unplanned power outages across its servic...
AI summary Enova utilizes the Advanced Distribution Management System (ADMS) and FLISR software to reduce the frequency and severity of unplanned power outages. These technologies automatically reroute power during faults, restoring service to customers quickly and improving overall system reliability.
1 Request IR-5: 2 3 The application notes implementation of three versions of FLISR technologies and 4 equipment in four geographic areas within Nova Scotia. 5 6 (a) Keeping the reasons for outages noted above in mind, please list the rati...
AI summary The document discusses the implementation of three versions of FLISR technologies across four geographic areas in Nova Scotia. It requests a rationale for selecting different versions of FLISR for different feeders, a cost breakdown, and the operational cost impact on the rate base. The response explains the rationale for FLISR selection based on feeder characteristics, such as radial feeders and areas with alternative power flow sources.
13 Automated and Increased segmentation ($) Automated and Increased segmentation Decentralized ($) FLISR Solution ($) Centralized FLISR Solution ($) Feeder 85S-401 11S-411 137H 414 129H-412 2H-411, 421 104H 433 103H 433 Material 830,111 40...
AI summary The text presents a table comparing costs associated with different FLISR (Fault Location, Isolation, and Service Restoration) solutions, including centralized and decentralized approaches, across various feeders and cost categories such as material, consulting services, contract, labour, and travel.
1 The cost varies by scheme due to the difference in design, influenced by length of feeder, 2 customer density, and complexity. Please refer to NSEB IR-7 Attachment 1 for map design. 3 4 (c) Operational costs will have no impact to rate b...
AI summary The document discusses the varying costs of a project based on design differences, influenced by factors such as feeder length, customer density, and complexity. It also addresses the use of existing communication infrastructure by NS Power for the project, citing the integration of various technologies like VHF radios, 900MHz radios, and cellular networks.
Centralized FLISR Scheme – 103H, 104H, 2H West End/Fairview
AI summary The document discusses the Centralized FLISR Scheme for specific locations in Nova Scotia, including technical components like AMI, RTUs, SCADA, and ADMS, as well as performance metrics such as SAIDI, SAIFI, CKAIFI, and CKAIDI. It also references initiatives like TCC, OCM, and programs like SGIG and GRIP.