Capacitor voltage transformers foreword 1 the international electrotechnical commission iec is a worldwide organization for standardization comprising all national electrotechnical committees iec national committees. This standard relates basically to transformers with separate windings, but also to autotransformers. Cancsa c60044707 r2016 instrument transformers part 7. Electronic voltage transformers adopted cei iec 60044 7. As from 1 january 1997 all iec publications are issued with a designation in the 60000 series. This consolidated version of iec 60044 1 consists of the first edition 1996 documents. International standard iec 61869 1 has been prepared by iec technical committee 38. This part of iec 60044 applies to new inductive voltage transformers for use with electrical measuring instruments and electrical protective devices at frequencies from 15 hz to 100 hz. The numbers of older iec standards were converted in 1997 by adding. Consolidated editions the iec is now publishing consolidated versions of its publications. Annex d normative frequency response and accuracy requirements on. Iec 60186 remains in force for capacitive voltage transformers. 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.
This is an incomplete list of standards published by the international electrotechnical commission iec. Part 4examples for the calculation of shortcircuit currents. Current and voltage instrument transformers instruction for. The specific standard is always mentioned on the transformer ratio nameplate. Although this standard relates basically to transformers with separate windings, it is also applicable, where appropriate, to. International standard iec 60044 2 has been prepared by iec technical committee 38. This paper describes a new architecture for sensor interface to be. Ct excitation characteristic according to iec 600441, iec 600446 tps. Additional requirements for capacitor this document is available in either paper or pdf format. Norme internationale cei iec international standard 60044 1 edition 1. Disclosure to promote the right to information whereas the parliament of india has set out to provide a practical regime of right to information for citizens to secure access to information under the control of public authorities, in order to promote transparency and.
Rating and performance issued by the international electrotechnical commission lec was adopted by the bureau of indian standards on the recommendation of the rotating machinery. Although the requirements relate basically to transformers with separate windings, they are also applicable, where appropriate, to autotransformers. Cancsa c60044507 r2011 instrument transformers part 5. Additional requirements for inductive voltage transformers. Sensor interface suitable for iec 600447 and 8 metering. International standard iec 60044 1 has been prepared by iec technical committee 38. This user manual is a publication of omicron electronics gmbh. The international electrotechnical commission iec is the leading global organization that prepares and publishes international standards for all electrical, electronic and related technologies. The iec 61869 series replaces the previous standard series iec 60044, a s summarized in the table below. Iec 60044 1 2003 instrument transformers part 1 current transformers from the open standard library. The object of iec is to promote international cooperation on all questions concerning standardization in the electrical and electronic fields. Additional requirements for capacitor voltage transformers iec 618695. Starting performance of singlespeed threephase cage induction. This standard replaces iec 60044 5 regarding capacitor voltage transformers as well as iec.
Iec revises iec 61869, standard for instrument transformers. Notice technique moteurs asynchrones basse tension bt. Free download iec 60044 1 pdf standard instrument transformers part 1 current transformers. Applies basically to transformers with separate windings, but also to autotransformers. The product standard is composed of iec 61869 1 and iec 618696, in addition to this standard and the relevant product specific standards in the iec 61869 series part 7, part 8, part 12, part, part 14, and part 15. Tc 38 decided to restructure the whole set of standalone standards in the iec 60044 series. As an example the following standards can be mentioned. Annex 6a normative lpit frequency response and accuracy requirements for. This consolidated version of iec 60044 2 consists of the first edition 1997 documents 38162fdis and 38175rvd, its amendment 1 2000 documents 38244fdis and. This indian standard part 1 which is identical with iec 60034 1.
Nerc reliability iec current a protection core is designed to transform a. Applies to newly manufactured current transformers for use with electrical measuring instruments and electrical protective devices at frequencies from 15 hz to 100. This part of iec 60076 applies to threephase and singlephase power transformers including autotransformers with the exception of certain categories of small and special transformers such as. Capacitor voltage transformers adopted cei iec 60044 5. Iec shall not be held responsible for identifying any or all such patent rights. The iec 60044 7 and 8 standards apply to electronic current and voltage transformers ect and evt for metering and protection measurements in ac electrical networks. The international electrotechnical commission iec is a worldwide organization for standardization comprising. Nerc reliability iec current a protection core is designed to transform a distortionfree signal even well. Provides a product standard for instrument transformers with a digital interface according to 61850. Iec 600441 current transformer 34m7zpg08z46 idocpub.
Figure 1 general block diagram of a singlephase electronic current transformer. Differences between iec 6185092, 92le and iec 618699. Current transformers elkct0 instructions for installation, use and. Iec 618699 1 2 differences between iec 6185092, 92le and iec 618699 the iec 618699 standard. Sensor interface suitable for iec 60044 7 and 8 metering accuracy class 0.
Applies to newly manufactured current transformers for use with electrical measuring instruments and electrical protective devices at frequencies from 15 hz to 100 hz. Current transformers iec 60044 1, iec 60044 8 voltage transformers iec 60044 2, iec 60044 5, iec 60044 7. Free download iec 60044 1 pdf standard from public digital. This international standard cancels and replaces the first edition of iec 60044 1, published in 1996, and its amendment 1 2000 and. It replaces iec 60186 1987 plus amendments 1 and 2 only for inductive voltage transformers. List of international electrotechnical commission standards. For example, iec 34 1 is now referred to as iec 60034 1. The iec shall not be held responsible for identifying any or all such patent rights. All bsi british standards available online in electronic and print formats.
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