Upgrading a 400 Zone Gas Density Monitoring System

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1 DILO 2 nd Annual SF6 Gas Management Seminar Tampa FL, November 2017 Zero Emissions. No Substitutes. Upgrading a 400 Zone Gas Density Monitoring System Challenges Improvements November 15, 2017 Jon Allen, Lead Engineer, United Illuminating Anthony Picagli, PE, Principal Engineer, Dynamic Ratings -

The Companies The United Illuminating Company (UI) is a New Haven-based regional electric distribution company established in 1899.

Haven and Bridgeport areas. UI s World Wide Web address is http://www.uinet.com. UI, a subsidiary of AVANGRID, is traded on the New York Stock Exchange under the symbol AGR.

2 The Companies The United Illuminating Company (UI) is a New Haven-based regional electric distribution company established in UI is engaged in the purchase, transmission, distribution and sale of electricity and related services to approximately 325,000 residential, commercial and industrial customers in the Greater New Haven and Bridgeport areas. UI s World Wide Web address is UI, a subsidiary of AVANGRID, is traded on the New York Stock Exchange under the symbol AGR. UI is committed to Zero SF6 Emissions. Dynamic Ratings (DR), headquartered in Sussex Wisconsin, is dedicated to providing monitoring, control, and communication solutions for electrical apparatus. Helping utilities address the various challenges associated with successfully deploying and managing their Condition Based Monitoring programs is the foundation of our business. Dynamic Ratings is a wholly owned subsidiary of Wilson Transformer and is an ISO 9001:2008, ISO 14001, and OHSAS certified company. January 2013

3 Singer Substation Page 3

4 Singer Substation Station Specifics Largest GIS Installation In North America When Commissioned 2 Remote Sites, Each About ¼ Mile Distant 402 Gas Zones pounds of SF6 (18861 kg) (nameplate) Initial Design Did Not Include Gas Monitoring January 2013 Chapter Title Page 4

5 Components Gauges and Sensors Gas Density Sensors (GDS) Stand-Alone from Density Gauges Points Dilo DN20 Connectors on Each GDS Density Gauges equipped with Alarm Contacts Cannot Rely Upon Gauge with Gauges Alone if You Alarm Desire to Minimize Emissions Gauge with Alarm Points GDS GDS Page 5

6 Why Update the GDM System Minimize SF 6 Emission Potential by: Reliable Hardware Sensors Rather than Gauges Improved Reporting Zone Specific Tracking Trending Tracking Inventory January 2013 Chaptier Title

7 Issues Which Drove Decision to Update System Original Hardware Nodes Installed in 2007 Hard Drives began to fail Tracking of Gas Loss Unavailable Until Repairs Made USB 1.0 slow to backup Overheating issues with outdoor nodes Excessive power consumption at outdoor nodes Resulted in loss of multiple nodes due to power supply overload Primary Controller NiCd based UPS Systems require maintenance Desire to update system to same system as newer GDM System January 2013 Chaptier Title

8 Issues Which Drove Decision to Update System Original Software Windows XP based Support has ended Proprietary Software Difficult to Navigate Lacked Drill-Down capabilities Multiple Applications Used Inability to Easily Track Losses for an Individual Zone Lacked Network Connectivity General Alarms Only Lack of Report Capabilities Screen Prints Required January 2013 Chaptier Title

9 Original System Architecture Page 9

10 Original System Graphics Page 10

11 Original System Graphics Screen Print Used as a Report Page 11

12 Upgraded System Architecture Page 12

13 Improvements New Hardware and Software Provides Improved Tracking and Helps Minimize Gas Loss by Providing Detailed Reports and Alarming Network Connectivity of Real-Time Data Pi Historian Provides Zone Specific Information Allows Customized Reporting Tracking Trending Allows for Faster Response to Leaks Minimize Emissions Reduces Operating Costs January 2013 Page 13

14 20,000 Pi Historian Points Page 14

15 New System Graphics, In Development Page 15

16 New System Graphics, In Development Page 16

17 New System Graphics, In Development Page 17

18 Summary Minimize SF6 Emissions by: Easy to Use, Intuitive Monitoring System Quickly Identifying the Location Knowing Leak Rates Prioritizing Repairs Reliable Hardware Reporting and Inventory Systems Based on Governmental Requirements and Customer s Needs Considerations for a GDM System Open Architecture Software System Expandabilty Considerations Customization Based on the End User s Desires Page 18

19 DILO 2 nd Annual SF6 Gas Management Seminar Tampa FL, November 2017 Zero Emissions. No Substitutes. Upgrading a 400 Zone Gas Density Monitoring System Thank You Jon Allen, Lead Engineer, United Illuminating Anthony Picagli, PE, Principal Engineer, Dynamic Ratings -

Substation Monitoring System

Substation Monitoring System SF6 Gas Density Monitoring System Description Introduction As a result of recent European legislation on the control of greenhouse gasses, utilities and manufacturers alike