ABB built 3 x 220 kV turnkey GIS substations for EWA*, including IEC 61850-compliant substation automation systems and a modern telecommunications system**

The Electricity and Water Authority of Bahrain (EWA)* entrusted ABB with the realization of three new 220kV substations within a turnkey project:

Maximum operational safety and environmental friendliness of compact GIS with state-of-the-art substation automation, control and protection Optimal life cycle management and low life cycle cost through future-proof SA systems based on key features of IEC 61850 High reliability and security of the communication network to the National Control Centre (NCC) for telecontrol and of the equipment for teleprotection**

These are the first 220 kV

GIS substations that

ABB has built for EWA.

The latest technologies

implemented in these

projects go a long way in

helping EWA to reinforce

its grid and support it in

achieving reliability and

efficiency improvements

in daily operation. ABB’s

state-of-the-art portfolio

as well as the long expe-

rience in the substation

domain has convinced

EWA fully.

Customer satisfaction:

© C

opyr

ight

200

9 A

BB

. All

right

s re

serv

ed.

For more information please refer to the responsible ABB sales engineer for your country or to the address mentioned below.

Project Reference 9-3 Substat ion Automation

Protection, Substat ion Automation & Network Control

ABB Switzerland LtdPower SystemsBruggerstrasse 72CH-5400 Baden/Switzerland

Phone +41 -58-585 77 44Fax +41 -58-585 55 77E-mail substation.automation@ch.abb.com www.abb.com/substationautomation

EWA’s benefits at a glance

Substation Automation, Control & Protection

High system availability through redundant station

servers/HMI, NCC gateways as well as Ethernet

switches

Optimal operational and maintenance efficiency

with scalable bay control unit REC 670 for all

voltage levels

Verified IEC 61850 implementation in all bay control

and protection units from ABB, i.e. REx670 family

as well as REB500 busbar and breaker failure

protection

Easy access to all 3rd party protection IEDs via

industrial IEC-103/IEC 61850 converter

Simplified on-line monitoring as well as mainten-

ance access to each bay via decentralized Ethernet

switches

Redundant Front-end Station server

Redundant Ethernet Rings

3 x 220 kV Cable Feeder 3 x 220/66 kV Transformer Feederincl. 2 x 21 kV Reactor

Bay Control and Bay Protection Solutions for:

1 x 220 kV Bus coupler

ServiceNotebook

10 x 66 kV Feeder 3 x 66/220 kV Transformer 3 x 66/11 kV Transformer 1 x 66 kV Bus Coupler

IEC 61850-8-1

IEC 60870-5-103

Redundant Station LAN

Manualswitch

Servicemodem

Public telephone network

3 x 220/66 kV AVR 1 x BBP/BFP

3 x 11 kV Bus Section A1–A2–A3

CommonAlarms

Hardcopyprinter

Eventprinter

Engineeringworkstation

GPS Redundant Station HMI HMI at 66 kV Stationalarmdevice

Network Control Center

Redundant Gateway

Proxy serverIEC 103 /IEC 61850 (3rd party pro-tection interface)

Mediaconverter

SNTPtime server

Loose supply of REC 670 for

3rd partyFeederprotection

3rd party Line protection

IEC

608

70-5

-101

Gas Insulated Switchgear

Safe and reliable operation of high-quality equip-

ment, independent of atmospheric influences

Compact and space saving design

Highly suitable for dense urban areas and exacting

aesthetic requirements

Lower operation and maintenance cost

Communication System

High security and reliability

Efficient operation and maintenance of one

common platform for SDH & PDH network and

use of existing NMS of FOX515 for reconfiguration/

remote download

Simple future extension of the network

Seamless communication of the complete secondary

systems from ABB in the prestigious substations to

the NCC with flexibility for various applications

Structure of ABB’s SAS 690 Advanced Substation Automation System

* Electricity and Water Authority of Bahrain (EWA) ** Telecommunications system supplied via main contractor Japan AE Power Systems Corp.

The kingdom of Bahrain

comprises an archipelago of

665 km2 in the Persian Gulf

and has around 700’000

inhabitants. The country

is striving on petroleum

processing and refining,

aluminium smelting as well

as on its sizeable international

banking sector. It is also a fine

tourist destination. The Bahraini

Electricity and Water Authority

(EWA) takes care of the

country’s power system and

ensures that it meets the

growing demands for a high

quality energy supply. EWA

continuously invests in the ex-

pansion and stabilization of its

transmission and distribution

grid.

On the primary side, ABB supplied the compact GIS type ELK-14, which saves space

and offers immunity to harsh environmental conditions. Owing to its reduced footprint,

GIS is highly suitable for dense urban areas and meets the most exacting aesthetic

demands. Its inherent operational safety and maintenance efficiency is further enhanced

by the SAS 690 advanced Substation Automation System. The proven

functionality including interlocking and automatic sequences provides high-quality operator

support for control and monitoring of the entire stations. The systems are based on the

verified implementation of IEC 61850 to ensure their openness for functional and hard-

ware extensions at any time. The use of the scalable REC670 bay control unit on all three

voltage levels simplifies local control and maintenance. A fully redundant station level

ensures high availability. System integration of third party protection IEDs is efficiently

handled via a COM581 gateway for protocol conversion between IEC-103 and IEC 61850.

The Customer The Challenge

ABB’s solution

Reliable turnkey implementation of three new 220 kV

GIS substations including the entire secondary

equipment needs to be performed. The stations are

located at the Bahrain Financial Harbour, Sitra Power

Station and the town of Buquwwah. Each shall com-

prise seven switching bays in a double busbar con-

figuration. Most modern systems for central control

and monitoring as well as bay protection and control

shall be based on the new global standard IEC 61850.

Telecommunication and auxiliary systems shall allow

efficient operation and data exchange

between the substations and the

National Control Centre.

The existing communication network, with STM 1 rings formed using the integrated

SDH/PDH platform of ABB FOX 515, provides redundant communication channels to the NCC

and shall be extended to seamlessly integrate the three new stations. The same applies to the

teleprotection, where the state-of-the-art NSD 570 will again be used and can be configured

for both optical and electrical communication media.

Within the turnkey projects, ABB realized the entire value chain,

i.e. project management, design, engineering, manufacturing, testing, installation

and commissioning.