| C57.12.44-2014 - IEEE Standard Requirements for Secondary Network Protectors |
IEL Online |
IEEE |
Power, Energy and Industry Applications |
2014-06-12 |
|
| C57.12.44-2024 - IEEE Standard Requirements for Secondary Network Protectors |
IEL Online |
IEEE |
Power, Energy and Industry Applications |
2025-06-17 |
|
| C57.12.50-1981 - American National Standard Requirements for Ventilated Dry-Type Distribution Transformers, 1 to 500 kVA, Single-Phase, and 15 to 500 kVA, Three-Phase, With High-Voltage 601 to 34 500 Volts, Low-Voltage 120 to 600 Volts |
IEL Online |
IEEE |
Power, Energy and Industry Applications |
2005-02-07 |
|
| C57.12.51-1981 - American National Standard Requirements for Ventilated Dry-Type Power Transformers, 501 kVA and Larger, Three-Phase, with High-Voltage 601 to 34 500 Volts, Low-Voltage 208Y/120 to 4160 Volts |
IEL Online |
IEEE |
Power, Energy and Industry Applications |
2007-09-10 |
|
| C57.12.51-2008 - IEEE Standard for Ventilated Dry- Type Power Transformers, 501 kVA and Larger, Three-Phase, with High- Voltage 601 V to 34 500 V; Low- Voltage 208Y/120 V to 4160 V- General Requirements |
IEL Online |
IEEE |
Power, Energy and Industry Applications |
2009-03-17 |
|
| C57.12.51-2019 - IEEE Guide for Mechanical Interchangeability of Ventilated Dry-Type Transformers |
IEL Online |
IEEE |
Components, Circuits, Devices and Systems |
2019-09-09 |
|
| C57.12.51-2019 - IEEE Guide for Mechanical Interchangeability of Ventilated Dry-Type Transformers - Redline |
IEL Online |
IEEE |
Components, Circuits, Devices and Systems |
2019-10-15 |
|
| C57.12.52-1981 - American National Standard Requirements for Sealed Dry-Type Power Transformers, 501 kVA and Larger, Three-Phase, with High-Voltage 601 to 34 500 Volts, Low-Voltage 208Y/120 to 4160 Volts |
IEL Online |
IEEE |
Power, Energy and Industry Applications |
2005-02-07 |
|
| C57.12.52-2012 - IEEE Standard for Sealed Dry-Type Power Transformers, 501 kVA and Higher, Three-Phase, with High-Voltage 601 to 34500 Volts, Low-Voltage 208Y/120 to 4160 Volts—General Requirements |
IEL Online |
IEEE |
Power, Energy and Industry Applications |
2013-03-07 |
|
| C57.12.52-2024 - IEEE Standard for Sealed Dry-Type Distribution and Power Transformers |
IEL Online |
IEEE |
Power, Energy and Industry Applications |
2024-08-22 |
|
| C57.12.52-2024 - IEEE Standard for Sealed Dry-Type Distribution and Power Transformers - Redline |
IEL Online |
IEEE |
Power, Energy and Industry Applications |
2025-06-24 |
|
| C57.12.55-1987 - American National Standard for Transformers--Used in Unit Installations, Including Unit Substations--Conformance Standard |
IEL Online |
IEEE |
Power, Energy and Industry Applications |
2005-01-31 |
|
| C57.12.56-1986 - IEEE Standard Test Procedure for Thermal Evaluation of Insulation Systems for Ventilated Dry-Type Power and Distribution Transformers |
IEL Online |
IEEE |
Power, Energy and Industry Applications |
2002-12-10 |
|
| C57.12.57-1987 - American National Standard for Transformers - Ventilated Dry-Type Network Transformers 2500 kVA and Below, Three-Phase, With High-Voltage 34 500 Volts and Below, Low-Voltage 216Y/125 and 480Y/277 Volts - Requirements |
IEL Online |
IEEE |
Power, Energy and Industry Applications |
2005-01-31 |
|
| C57.12.58-1991 - IEEE Guide for Conducting a Transient Voltage Analysis of a Dry-Type Transformer Coil |
IEL Online |
IEEE |
Power, Energy and Industry Applications |
1988-01-01 |
|
| C57.12.58-2017 - IEEE Guide for Conducting a Transient Voltage Analysis of a Dry-Type Transformer Coil |
IEL Online |
IEEE |
Components, Circuits, Devices and Systems |
2017-12-04 |
|
| C57.12.59-1989 - IEEE Guide for Dry-Type Transformer Through-Fault Current Duration |
IEL Online |
IEEE |
Power, Energy and Industry Applications |
1988-01-01 |
|
| C57.12.59-2001 - IEEE Guide for Dry-Type Transformer Through-Fault Current Duration |
IEL Online |
IEEE |
Power, Energy and Industry Applications |
2002-07-27 |
|
| C57.12.59-2015 - IEEE Guide for Dry-Type Transformer Through-Fault Current Duration |
IEL Online |
IEEE |
Power, Energy and Industry Applications |
2015-11-05 |
|
| C57.12.59-2015 - IEEE Guide for Dry-Type Transformer Through-Fault Current Duration - Redline |
IEL Online |
IEEE |
Power, Energy and Industry Applications |
2015-12-21 |
|
