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ABB TPU 40.23 - User Manual

ABB TPU 40.23
47 pages
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MEDIUM VOLTAGE PRODUCTS
Current and Voltage
Instrument Transformers
Instruction for Installation, use and
maintenance

Table of Contents

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Summary

Instructions for Installation, Use and Maintenance

Service conditions

Conditions for ambient air, temperature, and altitude for transformer operation.

Technical details

Information on transformer rating plate markings and their meanings.

Safety instructions

Crucial safety precautions for handling and connecting transformers.

Mounting

Guidance on transformer mounting position and securing methods.

Primary connection

Details on primary terminal materials and connection methods.

Secondary connections

Information on secondary terminal types, screws, and wiring.

Instructions for maintenance

Guidance on cleaning and maintaining the transformer's visible surfaces.

Handling with the transformers

Reference to Appendix 4 for detailed handling procedures.

Appendix 1: Secondary Terminal Marking

Voltage transformers according to IEC

Terminal marking variants for single and double pole voltage transformers.

Current transformers according to IEEE

Terminal marking variants for single and multi-core current transformers.

Appendix 2: Wiring Diagram Examples

Current transformers connection

Illustrations of typical connection configurations for current transformers.

Voltage transformers connection

Illustrations of typical connection configurations for voltage transformers.

Appendix 3: Damping Ferroresonance for Voltage Transformers

Appendix 4: Handling with Transformers

Summary

Instructions for Installation, Use and Maintenance

Service conditions

Conditions for ambient air, temperature, and altitude for transformer operation.

Technical details

Information on transformer rating plate markings and their meanings.

Safety instructions

Crucial safety precautions for handling and connecting transformers.

Mounting

Guidance on transformer mounting position and securing methods.

Primary connection

Details on primary terminal materials and connection methods.

Secondary connections

Information on secondary terminal types, screws, and wiring.

Instructions for maintenance

Guidance on cleaning and maintaining the transformer's visible surfaces.

Handling with the transformers

Reference to Appendix 4 for detailed handling procedures.

Appendix 1: Secondary Terminal Marking

Voltage transformers according to IEC

Terminal marking variants for single and double pole voltage transformers.

Current transformers according to IEEE

Terminal marking variants for single and multi-core current transformers.

Appendix 2: Wiring Diagram Examples

Current transformers connection

Illustrations of typical connection configurations for current transformers.

Voltage transformers connection

Illustrations of typical connection configurations for voltage transformers.

Appendix 3: Damping Ferroresonance for Voltage Transformers

Appendix 4: Handling with Transformers

ABB TPU 40.23 Specifications

General IconGeneral
Rated Power40 kVA
Frequency50/60 Hz
Number of Phases3
Impedance Voltage4%
Cooling TypeAN

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