IEEE Standards Association
IEEE STANDARD
C57.116-1989 - IEEE Guide for Transformers Directly Connected to Generators
Description: The IEEE guide describes selection and application considerations for the unit transformer and unit auxiliaries transformer. Consideration is given to connections that include direct connection and connections through generator breakers and load break switches. The considerations referred to in this guide apply to hydroelectric and thermal electric generating stations. Various transformer connections and possible operating problems under normal and abnormal conditions are treated.
- Status:
Oversight Committee: PE/TR - Transformers 
Sponsor: IEEE Power & Energy Society
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