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IEEE C57.13.5-2019
IEEE Standard for Performance and Test Requirements for Instrument Transformers of a Nominal System Voltage of 115 kV and Above
Revision Standard - Active. Single-phase instrument transformers of a nominal system voltage of 115 kV and above with capacitive insulation system for line-to-ground connection and for both indoor and outdoor application are discussed in this standard. This standard is intended for use as a supplement to IEEE Std C57.13-2016 and as a basis for performance and safety of equipment. Test sequences, criteria, methods, and documentation for the test are also described.
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Institute of Electrical and Electronics Engineers [ieee]
