| C57.123-2019 - IEEE Guide for Transformer Loss Measurement - Redline           | 
                                                                                        IEL Online           | 
                                                                                        IEEE           | 
                                                                                        Components, Circuits, Devices and Systems           | 
                                                                                        2020-03-09           | 
                                                                                                   | 
              
          
                                                                                        | C57.124-1991 - IEEE Recommended Practice for the Detection of Partial Discharge and the Measurement of Apparent Charge in Dry -Type Transformers           | 
                                                                                        IEL Online           | 
                                                                                        IEEE           | 
                                                                                        Power, Energy and Industry Applications           | 
                                                                                        1988-01-01           | 
                                                                                                   | 
              
          
                                                                                        | C57.125-1991 - IEEE Guide for Failure Investigation, Documentation, and Analysis for Power Transformers and Shunt Reactors           | 
                                                                                        IEL Online           | 
                                                                                        IEEE           | 
                                                                                        Power, Energy and Industry Applications           | 
                                                                                        1988-01-01           | 
                                                                                                   | 
              
          
                                                                                        | C57.125-2015 - IEEE Guide for Failure Investigation, Documentation, Analysis, and Reporting for Power Transformers and Shunt Reactors           | 
                                                                                        IEL Online           | 
                                                                                        IEEE           | 
                                                                                        Components, Circuits, Devices and Systems           | 
                                                                                        2019-06-20           | 
                                                                                                   | 
              
          
                                                                                        | C57.127-2000 - Guide for the Detection of Acoustic Emissions From Partial Discharges in Oil-Immersed Power Transformers           | 
                                                                                        IEL Online           | 
                                                                                        IEEE           | 
                                                                                        Power, Energy and Industry Applications           | 
                                                                                        1988-01-01           | 
                                                                                                   | 
              
          
                                                                                        | C57.127-2007 - IEEE Guide for the Detection and Location of Acoustic Emissions from Partial Discharges in Oil-Immersed Power Transformers and Reactors           | 
                                                                                        IEL Online           | 
                                                                                        IEEE           | 
                                                                                        Power, Energy and Industry Applications           | 
                                                                                        2007-08-27           | 
                                                                                                   | 
              
          
                                                                                        | C57.127-2018 - IEEE Guide for the Detection, Location and Interpretation of Sources of Acoustic Emissions from Electrical Discharges in Power Transformers and Power Reactors           | 
                                                                                        IEL Online           | 
                                                                                        IEEE           | 
                                                                                        Components, Circuits, Devices and Systems           | 
                                                                                        2019-03-11           | 
                                                                                                   | 
              
          
                                                                                        | C57.129-1999 - IEEE General Requirements and Test Code for Oil Immersed HVDC Converter Transformers           | 
                                                                                        IEL Online           | 
                                                                                        IEEE           | 
                                                                                        Power, Energy and Industry Applications           | 
                                                                                        1988-01-01           | 
                                                                                                   | 
              
          
                                                                                        | C57.129-2007 - IEEE Standard for General Requirements and Test Code for Oil-Immersed HVDC Converter Transformers           | 
                                                                                        IEL Online           | 
                                                                                        IEEE           | 
                                                                                        Power, Energy and Industry Applications           | 
                                                                                        2008-02-01           | 
                                                                                                   | 
              
          
                                                                                        | C57.129-2007 - IEEE Standard for General Requirements and Test Code for Oil-Immersed HVDC Converter Transformers - Redline           | 
                                                                                        IEL Online           | 
                                                                                        IEEE           | 
                                                                                        Power, Energy and Industry Applications           | 
                                                                                        2011-08-11           | 
                                                                                                   | 
              
          
                                                                                        | C57.13-1978 - IEEE Standard Requirements for Instrument Transformers           | 
                                                                                        IEL Online           | 
                                                                                        IEEE           | 
                                                                                        Power, Energy and Industry Applications           | 
                                                                                        2002-12-10           | 
                                                                                                   | 
              
          
                                                                                        | C57.13-1993 - IEEE Standard Requirements for Instrument Transformers           | 
                                                                                        IEL Online           | 
                                                                                        IEEE           | 
                                                                                        Power, Energy and Industry Applications           | 
                                                                                        2006-11-20           | 
                                                                                                   | 
              
          
                                                                                        | C57.13-2008 - IEEE Standard Requirements for Instrument Transformers           | 
                                                                                        IEL Online           | 
                                                                                        IEEE           | 
                                                                                        Power, Energy and Industry Applications           | 
                                                                                        2008-07-29           | 
                                                                                                   | 
              
          
                                                                                        | C57.13-2008 - IEEE Standard Requirements for Instrument Transformers - Redline           | 
                                                                                        IEL Online           | 
                                                                                        IEEE           | 
                                                                                        Power, Energy and Industry Applications           | 
                                                                                        2011-11-03           | 
                                                                                                   | 
              
          
                                                                                        | C57.13-2016 - IEEE Standard Requirements for Instrument Transformers           | 
                                                                                        IEL Online           | 
                                                                                        IEEE           | 
                                                                                        Power, Energy and Industry Applications           | 
                                                                                        2016-06-28           | 
                                                                                                   | 
              
          
                                                                                        | C57.13.1-1981 - IEEE Guide for Field Testing of Relaying Current Transformers           | 
                                                                                        IEL Online           | 
                                                                                        IEEE           | 
                                                                                        Power, Energy and Industry Applications           | 
                                                                                        2002-12-10           | 
                                                                                                   | 
              
          
                                                                                        | C57.13.1-2006 - IEEE Guide for Field Testing of Relaying Current Transformers           | 
                                                                                        IEL Online           | 
                                                                                        IEEE           | 
                                                                                        Power, Energy and Industry Applications           | 
                                                                                        2007-03-05           | 
                                                                                                   | 
              
          
                                                                                        | C57.13.1-2006 - IEEE Guide for Field Testing of Relaying Current Transformers - Redline           | 
                                                                                        IEL Online           | 
                                                                                        IEEE           | 
                                                                                        Power, Energy and Industry Applications           | 
                                                                                        2011-10-14           | 
                                                                                                   | 
              
          
                                                                                        | C57.13.1-2017 - IEEE Guide for Field Testing of Relaying Current Transformers           | 
                                                                                        IEL Online           | 
                                                                                        IEEE           | 
                                                                                        Components, Circuits, Devices and Systems           | 
                                                                                        2018-12-03           | 
                                                                                                   | 
              
          
                                                                                        | C57.13.2-1986 - American National Standard Conformance Test Procedures for Instrument Transformers           | 
                                                                                        IEL Online           | 
                                                                                        IEEE           | 
                                                                                        Power, Energy and Industry Applications           | 
                                                                                        1988-01-01           | 
                                                                                                   |