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Introduction to highvoltage SurgeArresters for AIS

BU High VoltageComponents

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Vision High voltage surge arresters

We shall be the recognized provider of over-voltageprotection

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Mission High voltage surge arresters

We shall be a global supplier of

over-voltage protection for AISHigh Voltage and High Energyapplications.

We shall be the preferred supplierby our customers

We shall give good return of thecapital invested

We shall maintain and developthe capacity and competence ofour employees in pace with ourbusiness

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High voltage Surge Arresters

Most experienced supplier in the

business More than 60 years experience in

overvoltage protection

More than 20 years in ZnO-technology

Unique supplier with completeportfolio up to 800kV

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Low environmental influence

Factory comply with the

environmental standard ISO14001

No poisonous or environmentallydoubtful materials are used

Packing material are recyclablecardboard, tree and plastic

Our products can be recycled in anon-polluting manner

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Product portfolio

High voltage AIS44 - 800kV

EXLIM/PEXLIM

HVDC, High energy-applications

EXLIM, MXE

DiscsIEC class 2-5

DCapplications

TLA AIS44 - 800kV

PEXLINK

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PEXLIM overview

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PEXLIM - well proven design

Arresters with metal-oxide

varistors since 1979

Silicone rubber has been usedfor more than 25 years withexcellent experience

Tested in world-wideindependent laboratories andin field since 1993

More than 16 000 PEXLIMarresters sold to more than 85

countries

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Silicone vulcanised on active parts

Active elements safely sealed

Total absence of any airbetween the blocks and thehousing

No internal partial discharge(pd)

Moisture leakage is totallyeliminated

Excellent heat dissipation frommetal-oxide varistors

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Easy and flexible installation

Low weight facilitates

installation

Silicone-housed - Non brittle

Single column design

Fiberglass reinforced loopsresults in high mechanicalstrength

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Silicone rubber

Silicone is water and dirt

repellent, external leakagecurrents are low

Elastic and stable in a widetemperature range

Naturally UV-resistant

Tracking resistant due tospecial fillers

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EXLIM overview

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EXLIM Product strengths

Metal-oxide blocks - heart of surge

arrester

Secure sealing system

Safe short circuit behaviour

Cemented flanges - high mechanical

strength

Optimised voltage distribution

Well proven - long life time

+100 000 units delivered world wide

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The PEXLINK concept

Assures disturbance-free

operation of transmission lines

Suitable for all voltage levels

Eliminates disturbances caused

by overvoltage Prevents lightning-induced flash-

over across line insulators

Fail-safe design with visibleindication

Easy to install

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PEXLINK components

Standard PEXLIM

arrester providedwith terminals, lineconnector anddisconnecting

device Standard available

hardware can be used DisconnectingdeviceLine connectorarrangement