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GIS at Bangor Hydro February 5, 2004
Gary Duplisea Steve Severance
Kris Dean
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Bangor Hydro Summary
• Subsidiary of Emera Corporation• 110,000 customers• 5,400 sq. mile service territory• 600 miles of transmission• 4,571 miles of distribution• Peak Load 280 MW• 4 operating districts
• Subsidiary of Emera Corporation• 110,000 customers• 5,400 sq. mile service territory• 600 miles of transmission• 4,571 miles of distribution• Peak Load 280 MW• 4 operating districts
• Subsidiary of Emera Corporation
• 110,000 customers• 5,400 sq. mile service
territory• 600 miles of transmission• 4,571 miles of distribution• Peak Load 280 MW• 4 operating districts
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Objectives for GIS Project
• Improve Customer Service• Improve Employee Productivity• Provide Better Facilities Information• Make Information More Accessible
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History
• 1993 Feasibility Study• 1994 Chose Smallworld• Developed Data Model & Data Collection• 1994-1998 Data Collection• 1995 Began Developing Applications
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History
1994 - 1998 Field Data Collection• Co-developed application with Blue Marble• Utilized BM’s GeoView (Visual Basic/Access)• Developed software to load into Smallworld• Used internal Field Engineers and Linemen
• Utilized Trimble ProXL GPS for collecting meter locations
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GIS Usage
DEPARTMENTS UTIZING GIS• Dispatch• Field Engineers• Line Department• Electrical Engineering• Environmental• Accounting• Dig Safe
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GIS Usage
DISPATCH• Aid in directing crews to field locations• Outage Management• Service Order creation
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GIS Usage
FIELD ENGINEERS (PLANNERS)• Construction plan development• Customer location navigation
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GIS Usage
LINE DEPARTMENT• Construction plans• Service orders
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GIS Usage
ELECTRICAL ENGINEERING• Load Balancing• Fuse Coordination• Electrical Reliability Analysis• Input for Engineering Analysis Software
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GIS Usage
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GIS Usage
ENVIRONMENTAL• Transformers w/PCB Tracking
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GIS Usage
ACCOUNTING• Asset information for tax and FERC reporting
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GIS Usage
DIG SAFE• Tracking/Locating Dig Requests
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Smallworld Overview
• Version Management• Object Control• ACE (Application Configuration Environment)• Style System• Topology Editor• Network Tracing• Object Browser
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More Distribution
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Alternative structure( without working top )
*** top *** server
master parentmaster replica
…………………………………replica super top
replica toplaptop user alternative
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Data transfer
• Select one or more replicas
• Select action to perform
• Apply
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Application problem
• Work orders in separate alternatives
• Changes must be posted to top to be transferred to another laptop
• ~1600 work orders (alternatives)
• conflicts
*** top ***replica1replica2
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Solution
• Managing time and change in Smallworld GIS, presented by Peter Batty at Smallworld ’95
• geometry mapped by construction status• join table links objects with work order• We now have ~70 alternatives
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Mapped Geometries
• Mapped geometry based on construction status
• Existing regular geometry• Remove
• Place simple geometry• Not in service• Remove – not in service
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Geometries have their own style and database priority.Normal viewing ACE does not show proposed objects.
Custom draw methods are used so that only objects pertainingto the current work order will be displayed.
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• OMS - PowerOn• Visual Basic Interface• Oracle Database• Fast Access
• With each outage, affected customers can be easily identified.
• Improved flow of information between Customer Service and Dispatchers
Outage Management System
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Outage Management Process
Customer reports outage to Service Center
Call entered in CIS
Trouble Analyzer retrieves trouble call from CIS and passes
to PowerOn
PowerOn uses prediction rules and electrical connectivity
information to predict the device causing outage
Outage project is created in PowerOn
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PowerOn User Interface
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Outage Properties
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Predicted Outage
Predicted Faulted device
Customer that has called in with no Power
Customer that has called in with no Power
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Business Perspective• Allows for Resource Management
• Crew and equipment management• Provides an accurate total number of customers off -
helps dispatchers prioritize• Provides information back to CIS
• Customers automatically get the correct status message based on network model
• Closing a project can resolve whole sets of customer outage reports
• Automate history and eliminate paperwork and filing
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Questions??