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BS 3938 - Current Transformers
February 2, 1973 - BSI

Current transformers for frequencies 14 Hz to 100 Hz for use with electrical measuring instruments and electrical protective devices. Ratings; accuracy; tests; rating-plate and terminal markings. Appendices on guidance in application of current transformers: short-time...

NG CH 06 - Commissioning Handbook - Current Transformers
October 1, 2013 - NG

Purpose This Handbook describes the tests to be carried out on current transformers during both stage 1 and stage 2 commissioning (TP106). The purpose of the CT commissioning tests is to prove that the equipment supplied is in accordance with requirements detailed in the design...

BS 7626 - Current Transformers
February 15, 1993 - BSI
A description is not available for this item.
IEC 60185 - Current Transformers
January 1, 1987 - IEC
A description is not available for this item.
DS/EN 60044-8 - Instrument transformers - Part 8: Electronic current transformers
October 24, 2002 - DS

This part of IEC 60044 applies to newly manufactured electrical current transducers having an analogue voltage output or a digital output, for use with electrical measuring instruments and electrical protective devices at nominal frequencies from 15 Hz to 100 Hz. Clause 12 covers the...

CSA C60044-1 - Instrument transformers – Part 1: Current transformers
March 1, 2007 - CSA

This part of IEC 60044 applies to newly manufactured current transformers for use with electrical measuring instruments and electrical protective devices at frequencies from 15 Hz to 100 Hz. Although the requirements relate basically to transformers with separate windings, they...

IEC 60044-1 - Instrument transformers - Part 1: Current transformers
February 1, 2003 - IEC

This part of IEC 60044 applies to newly manufactured current transformers for use with electrical measuring instruments and electrical protective devices at frequencies from 15 Hz to 100 Hz. Although the requirements relate basically to transformers with separate windings, they...

NG SCT 20.01 - Site Commissioning Tests - Current Transformers Mangnetisation Tests
April 1, 2014 - NG

PURPOSE AND SCOPE This document contains the site commissioning tests to be performed on Current Transformers in National Grid (NG) substations.'

CSA C60044-8 - Instrument transformers – Part 8: Electronic current transformers
January 1, 2007 - CSA

General This part of IEC 60044 applies to newly manufactured electronic current transformers having an analogue voltage output or a digital output, for use with electrical measuring instruments and electrical protective devices at nominal frequencies from 15 Hz to 100 Hz. NOTE...

IEC 60044-8 - Instrument transformers - Part 8: Electronic current transformers
July 1, 2002 - IEC

General This part of IEC 60044 applies to newly manufactured electronic current transformers having an analogue voltage output or a digital output, for use with electrical measuring instruments and electrical protective devices at nominal frequencies from 15 Hz to 100 Hz. NOTE...

GOST 7746 - Current transformers. General specifications
January 1, 2015 - GOST
A description is not available for this item.
UL 2808 OUTLINE - Outline of Investigation for Energy Monitoring Current Transformers
June 10, 2016 - UL

These requirements cover open-type current transformers and their associated signal level combiner and/or multiplexer board accessories thereto intended for field installation within distribution and control equipment such as panelboards, switchboards, industrial control equipment,...

IEEE 12 - STANDARDS FOR CONSTANT CURRENT TRANSFORMERS OF THE MOVING COIL TYPE
January 1, 1934 - IEEE

The standards of this section apply to constant current transformers of the moving coil type. Standards for other types of transformers are the subjects of separate sections.

DS/EN 61869-2 - Instrument transformers - Part 2: Additional requirements for current transformers
December 12, 2012 - DS

IEC 61869-2:2012 is applicable to newly manufactured inductive current transformers for use with electrical measuring instruments and/or electrical protective devices having rated frequencies from 15 Hz to 100 Hz. This International Standard is to be used in conjunction with, and is...

CEI EN 61869-2 - Instrument transformers Part 2: Additional requirements for current transformers
May 1, 2014 - CEI

This part of IEC 61869 is applicable to newly manufactured inductive current transformers for use with electrical measuring instruments and/or electrical protective devices having rated frequencies from 15 Hz to 100 Hz.

IEC 61869-2 - Instrument transformers – Part 2: Additional requirements for current transformers
September 1, 2012 - IEC

This part of IEC 61869 is applicable to newly manufactured inductive current transformers for use with electrical measuring instruments and/or electrical protective devices having rated frequencies from 15 Hz to 100 Hz.

DSF/FPREN 61869-14 - Instrument Transformers – Part 14: Specific Requirements for DC Current Transformers
DS

This International Standard is applicable to newly manufactured current transformers used for measuring, protection and/or control applications in DC Power systems with a voltage above 1 kV. The general configuration of a low power instrument transformer is described in the...

NG CH 09 - Commissioning Handbook - Primary Injection of Current Transformers for Feeder Protection
February 1, 2002 - NG

PURPOSE The purpose of this procedure is to provide a model process for primary injection testing of feeder protection. The tests are intended to establish the integrity of the associated current transformers and their secondary connections. These tests are required to prove: The CTs...

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...

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...

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