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IEEE C57.116-2022

IEEE Guide for Transformers Directly Connected to Generators
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IEEE C57.116-2022

IEEE Guide for Transformers Directly Connected to Generators

PUBLISH DATE 2023
PAGES 57
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Revision Standard - Active. Information on the selection and application considerations for the unit power transformer and unit auxiliary power transformer is provided in this guide. Consideration is given to connections that include direct connection and connections through generator circuit breakers and load-break switches. The considerations referred to in this guide apply to hydroelectric and thermal electric generating stations. Various power transformer connections and possible operating problems under normal and abnormal conditions are treated. Phasing procedures, basic impulse insulation level selection, and loading practices are not covered.
This guide describes selection and application considerations for the unit power transformer and unit auxiliary power transformer. Consideration is given to connections that include direct connection and connections through generator circuit breakers and load-break switches. The considerations referred to in this guide apply to hydroelectric and thermal electric generating stations. Various power transformer connections and possible operating problems under normal and abnormal conditions are treated. Phasing procedures, basic impulse insulation level selection, and loading practices are not covered.
The terminology, function, application, theory of operation and protection, and design of unit power transformers and unit auxiliary power transformers are not covered by existing transformer standards and guides. The purpose of this document is to provide guidance for specifying, designing, and applying these types of power transformers.
SDO IEEE: Institute of Electrical and Electronics Engineers
Document Number C57.116
Publication Date Feb. 10, 2023
Language en - English
Page Count 57
Revision Level
Supercedes
Committee Transformers
Publish Date Document Id Type View
Feb. 10, 2023 C57.116-2022 Revision
May 19, 2014 C57.116-2014 Revision
Sept. 29, 1989 C57.116-1989 Revision