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Wireless Remote Monitoring and Control DistribuTECH 2002 March 1, 2002 by Carl R. Goeckeler, P.E. 1997 DA/DSM “Best Utility Project” Innovation Award, KCP&L KCP&L Service Territory 2000 System Peak 3,374 MW 91% Metro Load Customer Retail Base 409,536 Residential 51,415 Commercial

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Wireless Remote Monitoring and Control DistribuTECH 2002 March 1, 2002


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wireless remote monitoring and control distributech 2002 march 1 2002

Wireless Remote Monitoring and ControlDistribuTECH 2002March 1, 2002

by Carl R. Goeckeler, P.E.

1997 DA/DSM “Best Utility Project” Innovation Award, KCP&L

kcp l service territory
KCP&L 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
communications wish list
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
kcp l d a architecture links scada to corporate lan

LiveData Software

on Typical PC

Utility WAN using Ethernet or TCP/IP

Capacitor

Control

KCP&L D.A. ArchitectureLinks SCADA to Corporate LAN

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)

kcp l fixed network system
KCP&L 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
d a features supported by two way communications
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
use of global command to change setpoints force capacitors on line
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
kcp l fixed network lessons learned
KCP&L 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
kcp l need for rural coverage
KCP&L 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
kcp l telemetric dnp project
KCP&L/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
remote telemetry module rtm
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

dnp x change tm features
DNP X-changeTM Features
  • 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

SSL Connection

DNP-Xchange™

Telemetric NOC

Telemetric Micro RTU or DNP-RTM™

Cellular Data Network

SCADA System

TCP/IP

DNP

distribution capacitor neutral current detection
Distribution Capacitor Neutral Current Detection

Detects and Alarms for:

  • Blown Fuse
  • Failed Capacitor Switch
  • Failed Capacitor Unit
  • Damaged Control Cable Wiring
  • High Harmonic Current
the need to monitor fixed banks
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
develop fixed bank detector
Develop Fixed Bank Detector
  • Need  Results
    • Reduce O&M Costs  Eliminate Capacitor Patrols
    • Additional Monitoring  Reduce O&M 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
plans for the present and future
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