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Single Phase IEC and EATS Distribution Transformers

INTRODUCTION TO RANGE

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INDEX

Range

Standard Features

Optional Features

Routine Tests

Type Tests

Why use ABB?

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RANGE

Single phase

15kVA to 100kVA

Smaller kVA available on request

Voltage level - primary voltage of up to 36kV

Units manufactured to IEC, EATS or Special requirements

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STANDARD FEATURES

Sealed or free breathing tank

Hot dip galvanised tank

Lifting lugs

Rating plate and connection plate

Earth tag

Upper and lower pole mounting brackets

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OPTIONAL FEATRUES

Lid or turret mounted bushings

2 or 3 wire arrangement

Internal HT fuses

Single or dual ratio

Off circuit tap switch or internal link board

Arcing horns

Surge arresters

Oil level on free breathing units

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ROUTINE TESTS

Each transformer produced is routine tested in accordance with IEC 76

The tests performed are: Winding resistance

Voltage ratio and phase displacement

Short-circuit impedance and load loss

No-load loss and current

Dielectric

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TYPE TESTS

Type tests are performed on each new design per IEC 76

List of type tests performed Temperature Rise

Impulse Test

Short circuit tests can be performed on request. This is a special test described in IEC 76 part 5.

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WHY USE ABB? Manufacture complies with:

-ISO9001 Quality system

-ISO 14001 Environment Management System (Certification due Q1 2003)

Transformers are successfully in operation for over 50 years

Units designed using proven ABB common technology

Units can be optimised to suit particular loss requirements

ABB is a volume producer

ABB has experience of many specifications

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WHY USE ABB? Short cycle times leading to shorter lead-times

The galvanised tanks ensure long life

Good quality and reliability

Pressure testing insures leak free products

Units have been successfully short circuit tested

A global leader in power and automation technologies

that enable utility and industry customers to improve

performance while lowering environmental impact

Visit us at www.abb.com