Turkmenistan standards PDF

IEEE Guide for Grounding of Instrument Transformer Secondary Circuits and Cases Original standard IEEE Std C57.13.3-2025 in PDF full version. Additional info + preview on request

Document status: Active

IEEE Standard for Performance and Test Requirements for Instrument Transformers of a Nominal System Voltage of 115 kV and Above Original standard IEEE Std C57.13.5-2019 in PDF full version. Additional info + preview on request

Document status: Active

IEEE Standard for High Accuracy Instrument Transformers Original standard IEEE Std C57.13.6-2005 (2010) in PDF full version. Additional info + preview on request

Document status: Withdrawn

IEEE Standard for Current Transformers with Maximum Milliampere Secondary Current of 250 mA Original standard IEEE Std C57.13.7-2018 in PDF full version. Additional info + preview on request

Document status: Active

IEEE Guide for Calibration of Energized Current Transformers for 34.5 kV and Below Original standard IEEE Std C57.13.10-2025 in PDF full version. Additional info + preview on request

Document status: Active

IEEE Standard Requirements, Terminology, and Test Code for Step-Voltage Regulators Original standard IEEE Std C57.15-2009 in PDF full version. Additional info + preview on request

Document status: Replaced by St IEC 60076-21-2018 (IEEE Std C57.15)