To see a list of other iec standard on the open standard library click here. Requirements for instruments iec 610832, digital recorders for measurements in highvoltage impulse tests part 2. Download iec 4shared iec 60076 4 ed 1 download file name iec 60076 4 ed 1 0 from 254 kb, iec 60076 10. An overview of iec 60076 10 determination of sound levels of power transformers photo by. It is possible to estimate this derating from the formulae given in 5. This international standard applies to power transformers as defined by iec 60076 1. For those categories of power transformers and reactors which have their own iec standards, this part is applicable only to the extent in which it is specifically. A transformer that has one of its windings connected to one of these. This standard applies to power transformers part 10. Ageing procedures and evaluation of test results iec 678 1. Iec 61557 electrical safety in low voltage distribution systems up to 1 000 v a. Insulation levels, dielectric tests and external clearances in air published by cei on march 1, 2015 this international standard applies to power transformers as defined by and in the scope of iec 60076 1.
This part of iec 60076 applies to threephase and singlephase power. Iec 60439, the standard for lowvoltage switchgear and controlgear assemblies, was under restructuring from the last decade. Insulation levels, dielectric tests and external clearances in air iec 60076 4. Drytype transformers iec 60216 1, electrical insulating materials properties of thermal endurance part 1.
International standard iec 60076 11 has been prepared by iec technical committee 14. For example, iec 34 1 is now referred to as iec 60034 1. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. Includes tests to demonstrate the ability to withstand short circuit. Iec 60076 4 power transformers guide to the lightning impulse and switching impulse testing. This subclause is a summary of the neutral current behaviour in different winding combinations. Guide to the lightning impulse and switching impulse testing power transformers and reactors. Iec 62271202, highvoltage switchgear and controlgear part 202. Free download iec 60076 1 pdf standard from public digital. International standard iec 60076 10 1 first edition 200510 this englishlanguage version is derived from the original bilingual publication by leaving out all frenchlanguage pages. Specifies the design and construction of transformers to withstand the thermal and dynamic effects of external short circuits under specified conditions. Insulation levels, dielectric tests and external clearances in air iec 60289, reactors iec 610831, instruments and software used for measurement in highvoltage impulse tests part 1.
List of international electrotechnical commission standards. Database and report on enieciso technical standards annex a. The new series of iec 61439 standards were published in. Missing page numbers correspond to the frenchlanguage pages. Download iec 4shared iec 60076 4 ed 1 download file name iec 60076 4 ed 1 0 from 254 kb, iec 60076 10 from 350 kb free from tradownload. Over a period of two years, we have had the opportunity to evaluate. Insulation levels, dielectric tests and external clearances in air iec 60289, reactors iec 61083 1, instruments and software used for measurement in highvoltage impulse tests part 1.
General definitions and test requirements iec 600712, insulation coordination part 2. Iec 60027 letter symbols to be used in electrical technology iec 60028 international standard of resistance for copper iec 60034 rotating electrical machinery iec 60038 iec. The text of this standard is based on the following documents. International standard iec 60076 10 has been prepared by iec technical committee 14. General international standard iec 60076 1 edition 2. Transformer energized from a converterinverter with or without. This part of iec 60076 defines sound pressure and sound intensity measurement methods from which sound power levels of transformers, reactors and their associated cooling devices are determined. At the same time, iec has also published iec 60076 10 1.
Apr 14, 2008 iec 60076 4 power transformers guide to the lightning impulse and switching impulse testing. Keep up to date with new publication releases and announcements with our free iec just published email newsletter. Specification of voltage regulating distribution transformers vrdt foreword. This standard deals with transformers with one or more active parts installed in the same tank like regulating autotransformer and one or two rectifier transformers. Mns unit substation transformer busbar connections. Applies to transformers as defined in the scope of iec 60076 1 adopted. Iec60076powertransformersiec 60076 power transformers packagethe iec 60076 power. 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. P ck k is the additional electrical power required in addition of p c0 by the cooling system for operation at load factor k, derived from the type test measurement of the power taken by the fan and pumps motors s r is the rated power of the transformer or autotransformer as defined in iec60076 1 on which p k is based.
Therefore, the following integration should be used for a given operating time t. The methods are applicable to transformers and reactors covered by the iec 60076 series, iec 60289, iec 60726 and the iec 678 series, without limitation as regards size or voltage and when fitted with their normal cooling auxiliaries. Documents sold on the ansi webstore are in electronic adobe acrobat pdf format, however some iso and iec standards are available from amazon in hard copy format. This concept is dealt with further in clauses 4 and 5. Iec 61439 standard for low voltage switchgear and controlgear. This standard is part 1 of the asnzs 60076 series which is progressively replacing the as 2374 series. Iec 60076 consists of the following parts, under the general title. Besides the introduction of some basic acoustics, the sources and characteristics of transformer and reactor sound are described. Pdf two years ago, a new, third edition of iec 600762 standard was published 1.
Application guide iec 600994, surge arresters part 4. Pdf iec 60076 1 power transformers general duy nguyen academia. This first edition of iec 60076 10 cancels and replaces iec 60551, published in 1987 and its amendment 1 1995, and constitutes a technical revision. Equipment for testing, measuring or monitoring of protective measures iec 61558 safety of power transformers, power supplies, reactors and similar products. Transformers for industrial applications 3 terms and definitions. This third edition of iec 60227 1 cancels and replaces the second edition, published in 1993, amendment 1 1995 and amendment 2 1997 the document 20903fdis, circulated to the national committees as amendment 3. Pdf iec 60076 1 power transformers general duy nguyen. When iec standards do not exist for such categories of transformers in particular transformer having no winding exceeding v for industrial applications, this part of iec 60076 may still be applicable either as a whole or in part. Iec 60076 1 2000 power transformers part 1 general from the public standard library. Iec 614391 is general rules standard to be referred to by subsidiary product parts of iec 61439 series. Iec 61439 standard for low voltage switchgear and controlgear assemblies on photo.
Consolidated editions the iec is now publishing consolidated versions of its publications. As from 1 january 1997 all iec publications are issued with a designation in the 60000 series. Determination of sound levels application guide reference number iec 60076101. The numbers of older iec standards were converted in 1997 by adding 60000. At several places in this part it is specified or recommended that an agreement should be reached. Note for the purposes of this standard, the term transformer frequently means transformer or reactor. Iec standards often have multiple subpart documents. Supply terminal to final equipment maximum 4% voltage drop. This standard cancels and replaces iec 60726 1982 and its amendment 1 1986. The international electrotechnical commission iec has released the second edition of iec 60076 10. Evaluation of software used for the determination of the parameters of impulse waveforms. An overview of iec 6007610 determination of sound levels. Temperature rise tests for converter transformers shall comply with 7. In order to promote public education and public safety, equal justice for all, a better informed citizenry, the rule of law, world trade and world peace, this legal document is hereby made available on a noncommercial basis, as it is the right of all humans to know and speak the laws that govern them.
65 1357 563 20 335 1313 810 928 1479 792 896 57 1341 560 427 503 1231 1007 701 1245 1377 1258 1186 576 437 779 1157 714 1428 1049 456 303 410 334 1225 1162 451 88 1359 1063 242