Northern States Power Company

ICCP Real-Time Data Access for Distribution, Transmission,

and Generation

George Clemmer Cycle Software, Inc.

www.livedata.comgclemmer@livedata.com

(617) 576-6506

David MaierNSP Northern States Power Companyhttp://www.nspco.com/david.w.maier@nspco.com (612) 330-6445

Northern States Power

• Generation, transmission and distribution

• 1.4 million customers• Minnesota, Twin

Cities, Wisconsin, North Dakota, South Dakota, and Michigan

ICCP Background at NSP• Early 1990’s NSP & EPRI research project

– Before NERC mandated ICCP– Connected EMS to corporate mainframe– ICCP provided flexibility & performance – Analyses showed long term benefits– NSP planned to increase use

• Next NSP installed ICCP from 2 vendors– Field tested for 3 years

• Judged ready for production 1996

Distribution

• Bring detailed data back to Siemens Distribution Management System (DMS)

• Off-the-shelf DMS ICCP option• 5 LiveData ICCP Servers on Windows NT

provide link to CellNet radio WAN• Each server certified to support 500 Cap

banks and switch controls• 10-30+ discrete status and measurement

values per control - Total 75,000 points

ICCP Benefits

• Off-the-shelf non-proprietary protocol

• Fast and easy to implement

• Flexible and applicable to requirements

• Windows NT makes it easy to manage

• Software updates provide technology advances to meet emerging needs

Substations• Distribution & Transmission substations

• Substation automation with Modbus Plus LAN, 984 PLCs, Bitronics Meters

• LiveData ICCP Server runs in Modicon Quantum controller Ethernet module

• Off-the-shelf ICCP options in DMS & EMS

• Standard for all new substation projects

Generation

• Highbridge, Blackdog, & Riverside Plants

• Westinghouse WDPF DCS control systems

• Westinghouse integrated and delivered LiveData ICCP Server

• Off-the-shelf ICCP link to EMS

Generation

• Inver Hills peaking generation station • 6 combustion turbines rated 72 MW

winter, 55 MW summer• GE Fanuc controllers & Wonderware

operator interface• LiveData ICCP Server integrated by

control vendor• Off-the-shelf ICCP link to EMS

ICCP at NSP Today

Control Center

LiveData ICCP

Servers

Siemens Energy

ManagementSystem

SiemensDistributionManagement

System

ICCP

ICCP

CellNetRadio WAN

Capcitor & SwitchControls

RoutedWAN

Transmission Substations

LiveData ICCP Server

Generation Plants

LiveData ICCP Server

ICCP

ICCP RoutedWAN

Distribution Substations

LiveData ICCP Server

ICCP at NSP Today

• ICCP is NSP’s communication interface standard for – external utilities,external marketing entities, power

pool types of interfaces– internal emerging business applications.

• ICCP for connectivity to other utilities and power plants, as well as to internal systems

• NSP has implemented more than 20 discrete instances of ICCP

ICCP Benefits

• Increased flexibility and capability

• Retrieve more information from substations and distribution automation

• Feed data into control center via open, standard protocols

• Minimize investment in legacy protocols

• Less proprietary, more modular, more easily enhanced over time

ICCP Benefits

• Dramatic time savings– adding a new system takes 40 person-

hours versus the 3-12 person-months typical of old custom solution approach

• With a standardized integration environment, everyone knows ‘the rules’

• System upgrades don’t take the system down