Working Group Details
Instrument-WGC57.13.5 - Instrument Transformers - Test Req. for >=115kV Working Group
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C57.13.5-2003 - Standard of Performance and Test Requirements of Instrument Transformers of a Nominal Voltage of 115 kV and Above
This trial-use standard covers the test requirements, including test sequences, criteria, methods, and documentation for instrument transformers of 115 kV nominal system and above. It is to be used a supplement to IEEE STDPD C57.13 ?-1993. Besides the provision of up-to-date test requirements, the trial-use standard also provides test procedures that were not adequately covered in the previous standard.
C57.13.5-2009 - IEEE Standard of Performance and Test Requirements for Instrument Transformers of a Nominal System Voltage of 115 kV and Above
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?-2008 and as a basis for performance and safety of equipment. It also describes test sequences, criteria, methods and documentation for the test.