Topic:"Distribution" in M11108

not received a Sunrun HIS given delays in certification. NS Power will continue to work with vendors to obtain a HIS when it becomes available for purchase in Canada. COMMUNITY SOLAR GARDEN • A recurring current transformer (CT) failure wa...

AI summary The Community Solar Garden has faced technical issues, including CT failures and insulation installation to address condensation and moisture. An antenna was installed to improve connectivity with NS Power systems, enabling remote operations and data access for use case testing. Details on production and performance are provided in Attachment 4.

ember 19, 2022 ....................................................................................................................................................................................48 Page 5 of 48 . . REDACTED (CONFIDENTIAL I...

AI summary The Smart Grid Nova Scotia (SGNS) Project aims to evaluate the effectiveness of Distributed Energy Resource Management Systems (DERMS) in enabling utility control of Distributed Energy Resources (DERs). The project includes the development of use case metrics to measure potential technical and economic benefits of DERMS, which are expected to benefit all customers.

s, with highest transportation usage occurring during the middle of the workday. Figure 24 – Summary of EV Availability (Connected to the Coritech Bi-directional Charger) during Fall 2022 Semester Page 28 of 48 . . REDACTED (CONFIDENTIAL I...

AI summary The document discusses the availability and usage of electric vehicles (EVs) at Nova Scotia Community College (NSCC), particularly the Leaf connected to a Coritech bi-directional charger. It highlights that EV availability was lower during working hours, affecting grid flexibility during peak times. NS Power has remote access to control the charger, but a recurring inverter fault has impacted functionality.

CI C0010788 – Smart Grid Semi-Annual Report Attachment 2 Page 42 of 48 Attachment 2 – SGNS Use Case Testing Update Report S V / P W6 – C OLD LOAD PIC KUP RELIEF This test will dispatch residential batteries for a short time following an ex...

AI summary The report outlines various smart grid use case tests, including cold load pickup relief, distribution feeder congestion management, and partial home or critical load backup. Testing for these use cases has been conducted, with some functionalities not yet fully operational. Storm preparations have been made to ensure battery readiness during weather events.

• EV charger load (kW) on load diversity and inrush Pilot 2/R3A target charge rate leverage discharge capabilities. • Value of discharge capacity ($/kW, staggered restoration of EVSE equipment System Upgrades EVSE6 • Feeder Voltage (V), Cu...

AI summary The text discusses EV charger load, focusing on kW, load diversity, inrush, and the value of discharge capacity in $/kW. It also mentions system upgrades, feeder voltage, current, load, and the staggered restoration of EVSE equipment during restoration processes.

d Pilot 2/R3B SV6 charge and discharge rates (Seconds). and staggered charging, and/or support restoration process System Upgrades • Feeder Voltage (V), Current (A) and Load (MVA) $/kWh) inrush current during PW6 (kW) fast response dischar...

AI summary The text outlines technical details related to system upgrades, including charge and discharge rates, feeder voltage, current, load, and inrush current during the restoration process. It mentions fast response discharging and staggered charging as part of the system's functionality.

• Customer Demand (kVA) with other use-cases • Target PF setpoint versus actual PF measured (%) • Feeder Power Factor (%) C&I Batteries

AI summary The text outlines key metrics related to customer demand, power factor setpoints, and feeder power factor, specifically in the context of C&I batteries.

• Feeder Power Factor (%) C&I Batteries

AI summary The text references 'Feeder Power Factor (%)' and 'C&I Batteries,' indicating a focus on power factor and commercial and industrial battery systems, likely in the context of energy efficiency or grid management.

• Connection Status & Alarm Status - The availability of PV Inverters for control during each test (including communication to the PV Inverters, and the customer participation level) • Feeder Voltage (V), Current (A) and Load (MVA) • PV In...

AI summary The text outlines parameters for monitoring and managing PV inverters during testing, including connection status, communication, voltage, current, load, signal latency, and control modes. It also mentions deferred distribution and optimal control schedules.

• Connection Status & Alarm Status - The availability of PV Inverters for control during each test (including communication to the PV Inverters, and the customer participation level) • Feeder Voltage (V), Current (A) and Load (MVA) Communi...

AI summary The text discusses the monitoring and control of PV inverters during tests, focusing on parameters like voltage, current, load, frequency-watt mode, signal latency, and real power output. It also mentions managing optimal control schedules and the value of PV inverters in frequency response and avoided generation.

• Connection Status & Alarm Status - The availability of PV Inverters for control during each test (including communication to the PV Inverters, and the customer participation level) • Feeder Voltage (V), Current (A) and Load (MVA) • Value...

AI summary The text discusses the monitoring and control of PV inverters during tests, including communication status, feeder voltage and current, load measurements, and the management of power factor correction. It also touches on deferred distribution system upgrades.

• Connection Status & Alarm Status - The availability of PV Inverters for control during each test (including • Feeder Voltage (V), Current (A) and Load (MVA) communication to the PV Inverters, and the customer participation level) • PV In...

AI summary The text outlines parameters and data points related to the monitoring and control of PV inverters in C&I solar PV systems, including voltage, current, power factor, and latency metrics, as well as the management of optimal control strategies for power factor correction.

lue • Target PF setpoint versus actual PF measured (%) • Customer Demand (kVA)

AI summary The text presents two key metrics: the difference between the target power factor (PF) setpoint and the actual PF measured, expressed as a percentage, and the customer demand measured in kilovolt-amperes (kVA). These metrics are likely related to electrical system performance and load management.

iled protection component at the Community Solar Garden beginning around 11:00 on the morning of June 28 extended to about 12:00 on July 1. Solar production was limited to approximately 90% on July 1. Outa g e Event – July 12 t o 13, 2022...

AI summary The document details several outage events at the Community Solar Garden in 2022, including dates, causes, and impacts on solar production. Each event is described with specific times of occurrence, restoration, and the extent of solar production disruption.

CI C0010788 – Smart Grid Semi-Annual Report Attachment 5 Page 13 of 14 Attachment 5 – SGNS Project Lessons Learned 26. Coritech Charger Commissioned w ith Coritech-ow ned Modem A Coritech-owned modem was initially installed to allow Corite...

AI summary The document discusses issues encountered during the commissioning of a Coritech-owned EV charger, including delays due to modem replacement and the need for better integration monitoring. It highlights the importance of improved event scheduling and error notification systems to support DERMS recommendations.

Nova Scotia as the project continues. The delay caused by restrictions in the last claim resulted in a delay to distributed battery installations by a month, but no other project impacts. Mitigation: Work continues that can be done safely...

AI summary The project in Nova Scotia has experienced a one-month delay in distributed battery installations due to restrictions in the last claim, though no other project impacts have been noted. Mitigation efforts are ongoing to ensure safe work practices and data access for analysis of utility-managed DERs.