Integration of MV-90 Data with PI
Database using Flexible Export.
2008 Itron Users’ Conference
October 19 – 21
Dallas, Texas
Naren Simhan
Sr. IT Consultant
We Energies
Milwaukee, WI
[email protected]
www.we-energies.com
We Energies
In 2002, Wisconsin Electric and Wisconsin Gas merged and
renamed as We Energies
We Energies is part of Wisconsin Energy Corporation
Started in 1896 as The Milwaukee Electric Railway and Light
Company (TMER&L)
Headquarters in Milwaukee
Electric Customers: 1.1 million
Gas Customers: 1 million
People Served: 2.4 million
Service Area:
18,410 square miles in Wisconsin
5,055 square miles in Michigan’s Upper Peninsula
Primary Power Lines: 45,000 miles
Gas Main (Large pipes): 20,000 miles
Peak Generating Capability : About 5,676 megawatts
Number of Power Plants: 26
We Energies Service Territory
Generating Electricity
Production by Fuel Type
Map of Service Area
We Energies: MV-90 Overview
Currently, we have three MV90 systems: Electric, Substation and Gas
Meter data acquisition network consists of:
Dedicated PCs
Digital cell phones
Analog landlines and modems
Analog cell phones
Electric MV90 system running V2.0:
Digital Cell phones about 2,000
Analog landlines about 350
Substation MV90 System running V2.0
Digital Cell phones about 20
Analog landlines about 950
Gas MV90 System – upgrade to V2.0 in progress
2450 Analog landlines
Why Export Data to PI Database?
WE Energy has Confidential Data Access Agreement (CDAA) with
Public Service Commissions (PSC)
The Agreement prohibits Wholesale Energy and Fuels (WF) users
access to Intertie (Inter Transmission Line) data within MV90 Billing
System
But WF has a business need to access MV90 data for
Billing
Reconciliation
Analysis
Challenge: How to hide Intertie (Transmission) data from WF users?
MV90 does not have security to hide selected records
PI Database has powerful record level security and all transmission
data can be masked from WF users.
Our Challenge
How to provide data to WF on a regular basis without
violating CDAA?
Short term Solution
Manually extract required data and e-mail to WF staff
This is inefficient and time consuming
Long Term Solution
Evaluate long term solutions so that current business processes are
not interrupted.
Replicate the MV90 Billing data into PI Historian Database
Setup access rights to prevent WF staff to view Intertie data within PI
database
Add point security within PI to all transmission sensitive
information.
What is PI Historian Database?
PI - Plant Infrastructure
Software suite that acquires & displays data
PI has several processing tools to transform data into information
Process book
PI Data-link (Excel plug-in)
PI is currently used in We Energies:
EMS SCADA to monitor electrical system
Wholesale Energy and Fuels Operations
Gas SCADA Operations
MISO
ENAC
Future MV90 Electric
MV90 and PI Architecture
MV-90 xi
prod server
Schematic Diagram of MV90 Export to
PI Database
PI System grabs
data from PIDirectory
MV-90 XI V2.0 Server.
Run Flexible Export Daily
Export Data to PI Directory
Pilot System in Test Lab
In June 2008, we setup a pilot system in our test
lab to study flexible export to extract MV-90 data
to external databases such as PI, Oracle, etc.
We have tried to create a flexible export template
which meet the PI database criteria.
PI tags are complex and with the help of our inhouse expert we are partly successful to-date.
This project is in progress and scheduled to
complete in March 2009.
PI Tag Format
RecID.MeterID.ch,Date Intime,value --------- Header 1st line
10151.PFTK42.1,07192008 00:15,30.332 ……….. 1st Line Start of channel 1
10151.PFTK42.1,07192008 00:30,00.000
….
10151.PFTK42.1,07192008 24:00,00.000 ---------96th line
10151.PFTK42.2,07192008 00:15,31.332 ----------97th line, start with Channel 2
10151.PFTK42.2,07192008 00:30,30.332
….
10151.PFTK42.2,07192008 24:00,00.000 ----------192nd line
10151.PFTK42.3,07192008 00:15,31.332-----------93rd line, start of channel 3
10151.PFTK42.3,07192008 00:15,31.332
………
10151.PFTK42.3,07192008 24:00,31.332…………288th line
10151.PFTK42.4,07192008 00:15,31.332------------289th line, start of channel 4
10151.PFTK42.4,07192008 00:15,31.332
………
10151.PFTK42.4,07192008 24:00,31.332………….384th line
MV90 Data Displayed in PI System
One day usage values displayed for a meter with four channels
All four channels can be superimposed into one graph
Conclusion
Flexible export is an excellent feature available in MV-90
xi V2.0
We are partly successful in exporting data to PI
database and our work is in progress
Some problems were unique to PI database especially
setting up unique PI Tags
Any of you are using Flexible Export templates to export
data to external database, please share your knowledge
with us
My sincere thanks to MV-90 support staff especially Lori
Laird who worked with me to make this successful and
Pam Sen who provided me good suggestions and
contact information
Finally, please keep MV-90 support staff at Raleigh in
good terms who are extremely useful and helpful.