IEEE C57.13.5 - Performance and Test Requirements for Instrument Transformers of a Nominal System Voltage of 115 kV and Above
September 11, 2009 - IEEE

This standard applies to 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. This standard is intended for use as a supplement to IEEE Std C57.13™-20081 and...

IEEE C57.135 - Guide for the Application, Specification, and Testing of Phase-Shifting Transformers
June 16, 2011 - IEEE

This guide covers the application, specification, theory of operation, and factory and field testing of singlephase and three-phase oil-immersed, phase-shifting transformers (PSTs). This guide is limited to matters particular to PSTs and does not include matters relating to general requirements for...

IEEE C57.13.1 - Guide for Field Testing of Relaying Current Transformers
December 6, 2017 - IEEE

The scope of this guide is to describe field test methods that assure current transformers (CTs) are connected properly, are of marked ratio and polarity, and are in a condition to perform as designed both initially and after being in service for a period of time. Annex A describes wiring integrity...

IEEE C57.13 - Requirements for Instrument Transformers
January 29, 2016 - IEEE

This standard is intended for use as a basis for performance and interchangeability of equipment covered, and to assist in the proper selection of such equipment. Safety precautions are also addressed. This standard covers certain electrical, dimensional, and mechanical characteristics, and takes...

IEEE PC57.13.7 DRAFT - Draft Standard for Current Transformers with Maximum mA Secondary Current of 250mA
September 1, 2018 - IEEE

This standard is intended to define the requirements for current transformers with a maximum of secondary output of 250 milliamperes. These requirements of ratios, Accuracy classes, burdens and test methods supplement but are not subordinate to IEEE C57.13™ Standard Requirements for Instrument...

IEEE C57.13.3 - Guide for Grounding of Instrument Transformer Secondary Circuits and Cases
December 10, 2014 - IEEE

This guide contains general and specific recommendations for grounding current and voltage transformer secondary circuits and cases of connected equipment. The practices recommended apply to all transformers of this type, including capacitive voltage transformers and linear couplers, irrespective...

February 14, 2019 - FORD

This specification defined the performance requirement of a one component urethane adhesive which is primerless to clearcoat paint chemistries. The adhesive is formulated to be used with glass primer systems.

DEF STAN 05-057 - Configuration Management of Defence Materiel
July 28, 2018 - MODUK

This Standard details Configuration Management (CM) requirements, which may be tailored, to suit individual contracts taking into account the complexity and nature of the programme requirements. In addition to the generic requirements of this Standard, This Standard also identifies additional CM...

IEEE C57.15 - Standard Requirements, Terminology, and Test Code for Step-Voltage Regulators
December 1, 2018 - IEEE

This document describes electrical, mechanical and test requirements of liquid-immersed, single- and three-phase, 50 Hz and 60 Hz, self and forced-air cooled, distribution, overhead and substation, step-voltage regulators, 1 000 kVA (single-phase units) or 3 000 kVA (threephase units) and smaller,...

IEEE C57.127 - Guide for the Detection and Location of Acoustic Emissions from Partial Discharges in Oil-Immersed Power Transformers and Reactors
October 23, 2018 - IEEE

This guide is applicable to the detection and location of sources of acoustic emissions (AEs) from partial discharges (PDs) and other sources in power transformers and power reactors. There are descriptions of acoustic instrumentation, test procedures, and interpretation of results. Purpose This...