Advanced Substation Protection: Proving the Concept

IntelliSub Europe 2013

Andrew Urquhart

R&D Project Manager

Overview

Background

Project

Project Development

Methodology

SSE

Results

Next Steps

Learning Benefits

Progression

Progress

SSE

* As at 11 January 2013

• 30th largest company in the FTSE 100*

• £13.8 bn market capitalisation

• Around 19 500 employees

• Delivered a real dividend increase every year since 1999

• UK’s broadest-based energy company

• Electricity generation, transmission, distribution, supply and services

• Gas production, storage, distribution, supply and services

• Telecoms networks and data storage

• Irelands fastest-growing energy company

• Electricity generation

• Electricity and gas supply

• Street lighting maintenance

4

• We own

• one electricity transmission

• two electricity distribution networks

• 106,000 substations

• 130,000 km of overhead lines

and underground cables

• 100+ submarine cable links

• Across one third of the UK

landmass.

• Serving 3.5Million Customers

SSEPD

‘Determine the business case for deploying a substation

protection system when compared with current business

processes and equipment’

Aim

Traditional Approach

MICOM P142

Feeder MGMT

Relay

3 Phase O/C and

E/F

Sensitive Earth

Fault

Auto Reclose

Alarms:

Feeders L/O

SEF Trip

Protection Fail

TCS

Metering

RTU

Trip/

Close

33/11 kV 33/11 kV

SASensor Approach

33/11 kV 33/11 kV

BIM

CIM

VIM

CCU

VCU

Computer

Remote Location

• Identify suitable site

• Install & commission

• Evaluate

• Protection performance

• Proactive maintenance

• Comparison with traditional approach

Methodology

• Hardware reduction

• Quicker setup

• Remote connection

Potential Benefits

Fault Data

Load Data

Maintenance

Data

Control

Room

Maintenance

Department

Network

Planners

Progress

June 2012

May 2013 Mar 2015

Nov 2013

Installation

• Remote connection security issues

• Quicker install

• RTUs non-essential

• Digitised distribution substation protection possible

Learning

Next Steps

System Integration Active Network Management

Automation

Substation Hub

Data Focus Point Remote Connection

Algorithm Development

Sensitive Earth Fault Voltage Control

Dynamic Line Rating

Summary

Proof of

Concept

System

Integration Smarter &

More

Economic

Network Algorithm

Assessment

Questions?