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Wireless Remote Monitoring and Control DistribuTECH 2002 March 1, 2002

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Not in 'Control' of Communications. Dependent upon Protocol by Provider ... Public Communications Systems Not Leveraged. Recurring Lease Charges ... – PowerPoint PPT presentation

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Title: Wireless Remote Monitoring and Control DistribuTECH 2002 March 1, 2002


1
Wireless Remote Monitoring and ControlDistribuTEC
H 2002March 1, 2002
by Carl R. Goeckeler, P.E.
1997 DA/DSM Best Utility Project
Innovation Award, KCPL
2
KCPL Service Territory
  • 2000 System Peak
  • 3,374 MW
  • 91 Metro Load
  • Customer Retail Base
  • 409,536 Residential
  • 51,415 Commercial
  • 2,367 Industrial
  • 119 Other

3
Communications - Wish List
  • Two-Way
  • Secure
  • Use Public Infrastructure/Leverage Available
    Systems
  • Broad Coverage
  • Broad Bandwidth
  • Low Cost Data Charge
  • Low-Cost Radio Deployment
  • Reliable System
  • RTU Growth Easy and Convenient/Scaleable
  • Supports Multiple Protocols/Flexible

4
KCPL D.A. ArchitectureLinks SCADA to Corporate
LAN
Utility WAN using Ethernet or TCP/IP
Capacitor
Control
Operator
Switch
Consoles
Control
Schlumberger/Sema
Communications
Other DA
Field Equipment
(reclosers, regulators, etc.)
Planning Engineer
Workstations
LiveData Serversrunning WinMon S/W
(PC-based,
with WinMon)
Capacitor
Control
Switch
Control
Schlumberger/Sema
Advanced
Communications
Applications
LiveData Software

Other DA
On Typical PC
Field Equipment
(reclosers, regulators, etc.)
UTILITY LAN
(UCA over TCP/IP)
5
KCPL Fixed Network System
  • Advantages for User
  • Full Two-Way Capability for D.A.
  • No Communications Layout Design
  • No Radio or Communications System Maintenance
  • No Capital Outlay for System
  • Disadvantages for User
  • Not in Control of Communications
  • Dependent upon Protocol by Provider
  • Dependent upon Performance/Availability by
    Provider
  • Public Communications Systems Not Leveraged
  • Recurring Lease Charges
  • Capacitor Automation Lower Priority than Meter
    Reading

6
D.A. Features Supported by Two-Way Communications
  • Features Supported
  • Present Alarms and Analogs
  • Remote Control Operation
  • Read and Change Setpoints
  • Launch Global Commands
  • Access to Diagnostics
  • Historical Analog Profiles
  • Reports
  • On-Line Graphing
  • Download Electronic Files

7
Graphing Data On Line
8
Use of Global Command to Change Setpoints / Force
Capacitors On Line
  • July 27, 1999, Early Morning
  • Needed All Banks On
  • Query - 168 Banks Off Line
  • Global Command Issued
  • All Available Banks On Line
  • 99.99 Leading Power Factor
  • Proactive Voltage/VAr Support


9
KCPL Fixed Network Lessons Learned
  • Two-Way Communications is Important
  • Verify Switching
  • Setpoint Changes and Verification
  • Supplies Data for Distribution Engineering
    Analysis
  • Look for Ways to Leverage Available Communication
  • SchlumbergerSema for AMR
  • Public Communications Systems
  • Metropolitan Coverage has Been Good
  • Rural Areas - Not Cost Justified
  • Adequate for Capacitor Automation
  • Communication Performance Generally Acceptable

10
KCPL Need for Rural Coverage
  • Expansive Area/Travel Time an Issue
  • 48 Substations (34 12 kV) with No Automation
  • No Automated Outage System in Place
  • Volt/VAr Support Needs Improvement
  • Voltage Rise from Capacitors Significant
  • Voltage Regulators
  • Reclosers
  • Line Monitors/Fault Detectors
  • Few Economical Communication Solutions

11
How Telemetric Works
12
KCPL/Telemetric DNP Project
  • Develop Remote Telemetry Module (DNP-RTMTM)
  • Configurable for All DNP RTUs/IEDs
  • Supports Local Rule-Based Criteria
  • RTUs/IEDs - Now Electronic and Radio Ready
  • Integration Plans
  • Now - Capacitors, Regulators, Load Tap Changers,
    Switches
  • Future - Reclosers, Fault Indicators, Line
    Monitors
  • Develop DNP- XchangeTM
  • Delivers DNP to Utility
  • Integration into WinMon
  • Integration into EMS/CADs

13
Remote Telemetry Module (RTM)
  • Connects to DNP Speaking RTUs/IEDs
  • Near Real-Time
  • Works with various DNP-based Devices
  • Local Configurable Program
  • User Specifies Up to 99 Data Points
  • Rule Based Algorithm
  • Can Receive Up to 500 Commands
  • Polls Connected RTUs/IEDs
  • Data Transmitted - Report By Exception
  • Supports Queries
  • Supports Time-Scheduled Call Reports
  • May View Data on Secure Web Page
  • Can Also Tunnel to Utility EMS Terminal

Serial Connection (DNP 3.0 Protocol)
Field RTU
Remote Telemetry Module
DNP
Rule
Radio
Master
Engine
I/F
14
DNP X-changeTM Features
SSL Connection
DNP-Xchange Telemetric NOC
Telemetric Micro RTU or DNP-RTM
Cellular Data Network
SCADA System
TCP/IP
DNP
  • Connects Telemetric NOC to Utility
  • Functions as DNP Slave to SCADA System
  • All DNP Packets Include
  • Utility ID Number
  • Unit ID Number
  • Data Point Number
  • Two Reporting Models
  • Report By Exception
  • Polling

15
Distribution Capacitor Neutral Current Detection
  • Detects and Alarms for
  • Blown Fuse
  • Failed Capacitor Switch
  • Failed Capacitor Unit
  • Damaged Control Cable Wiring
  • High Harmonic Current

16
The Need to Monitor Fixed Banks
  • Year 2000 Fixed-Bank Capacitor Patrol Results
  • 400 Capacitor Banks Patrolled
  • 16 Capacitor Banks with As Found Problems
  • 26.1 MVAr Out of Service (8.3 of Fixed Capacity)
  • Additional 2 Banks with Switching Problems
  • Higher Percentage of Problems in Non-Automated
    (Outlying Regions) Areas

17
Develop Fixed Bank Detector
  • Need ? Results
  • Reduce OM Costs ? Eliminate Capacitor Patrols
  • Additional Monitoring ? Reduce OM Field Checks
  • Notification for Blown Fuses ? Reduces System
    Losses
  • Better VAr Regulation ? Install Fewer Banks
  • Outage Notification ? Voltage Loss Detector
  • Possible Solution
  • Integrate into 4-Jaw Socket
  • Accepts Neutral Current Sensor
  • Low Target Price
  • Low Annual Communications Cost
  • Remote Monitoring / Switching Capability
  • Reports Capacitors Switched Off Line
  • Reports Analog Neutral Current Value
  • Outage Detection
  • DNP to Utility SCADA

18
Plans for the Present and Future
  • Capacitor Automation
  • Target Use of Fixed Bank Controls
  • Develop/Deploy Neutral Sensing Option
  • Develop/Deploy Lower Cost Capacitor Controls
  • Distribution Automation
  • Use Fixed Network for Full Featured Controls
  • Use Control Channel Solution as Appropriate
  • Monitor Growing Communication Solutions
  • Add DNP to Protocol Suite
  • Integrate RTM into Other RTUs
  • Regulators
  • Reclosers
  • Fault Detectors
  • Line Monitors
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