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GE OTEF-72 - User Manual

GE OTEF-72
13 pages
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Instruction Manual
© GE Grid Solutions
INSTRUCTION MANUAL NUMBER MIITR101
INDUCTIVE VOLTAGE TRANFORMER
OTEF-72 / OTEF-123 / OTEF-145 / OTEF-245
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Summary

General Drawing and Characteristics

Description and Characteristics of OTEF Voltage Transformers

Provides details and characteristics of the OTEF voltage transformers with a labeled diagram.

Transport, Reception, Unpacking, and Storage

Transport Procedures

Instructions for safe transportation of the voltage transformer, including packing requirements and care.

Reception and Inspection

Procedure for checking the transformer upon delivery, including remarking damages and notifying relevant parties.

Unpacking Guidelines

Detailed steps and materials required for unpacking the VT, including lifting procedures and precautions.

Storage Recommendations

Guidelines for storing the transformer in a vertical position, emphasizing fixation and prohibiting horizontal storage.

Anchoring Requirements

Contact Surface Preparation

Electrical Connections

Primary Terminal Connection

Guidance on connecting the high voltage cable to the primary terminal with proper connectors and tightening torque.

Secondary Terminals Connection

Information on connecting secondary terminals, referencing drawings for types and cable acceptance, and proper connectors.

Terminal Marking and Schemes

Details on primary and secondary terminal marking, referencing approved drawings and the name plate for connection schemes.

Grounding Procedure

Procedure for connecting the transformer tank's earthing terminals to the substation ground system using appropriate connectors.

Bellows Blocking System for Transportation

Oil Level Indicator

Inspection Before First Energizing

Maintenance After Energizing

Site Testing Procedures

Final Disposal of Transformer Parts

GE OTEF-72 Specifications

General IconGeneral
BrandGE
ModelOTEF-72
CategoryTransformer
LanguageEnglish

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