1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationInsulators Glossary of termsand definitionsBS EN 62223:2009National forewordThis British Standard is the UK implementation of EN 62223:2009. It is identical to IEC 62223:2009.The
2、 UK participation in its preparation was entrusted to Technical CommitteePEL/36, Insulators for power systems.A list of organizations represented on this committee can be obtained onrequest to its secretary.This publication does not purport to include all the necessary provisions of acontract. Users
3、 are responsible for its correct application. BSI 2010ISBN 978 0 580 54656 3ICS 01.040.29; 29.080.10Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of the StandardsPolicy and Strategy Committee on 31 January 2010
4、Amendments issued since publicationAmd. No. Date Text affectedBRITISH STANDARDBS EN 62223:2009EUROPEAN STANDARD EN 62223 NORME EUROPENNE EUROPISCHE NORM November 2009 CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee f
5、r Elektrotechnische Normung Central Secretariat: Avenue Marnix 17, B - 1000 Brussels 2009 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 62223:2009 E ICS 29.080.10 English version Insulators - Glossary of terms and definitions (I
6、EC 62223:2009) Isolateurs - Lexique de termes et dfinitions (CEI 62223:2009) Isolatoren Glossar (IEC 62223:2009) This European Standard was approved by CENELEC on 2009-09-01. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this
7、European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Central Secretariat or to any CENELEC member. This European Standard exists in three official versions
8、(English, French, German). A version in any other language made by translation under the responsibility of a CENELEC member into its own language and notified to the Central Secretariat has the same status as the official versions. CENELEC members are the national electrotechnical committees of Aust
9、ria, Belgium, Bulgaria, Cyprus, the Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. B
10、S EN 62223:2009EN 62223:2009 2 Foreword The text of document 36/287/FDIS, future edition 1 of IEC 62223, prepared by IEC TC 36, Insulators, was submitted to the IEC-CENELEC parallel vote and was approved by CENELEC as EN 62223 on 2009-09-01. The following dates were fixed: latest date by which the E
11、N has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2010-06-01 latest date by which the national standards conflicting with the EN have to be withdrawn (dow) 2012-09-01 Annex ZA has been added by CENELEC. _ Endorsement notice The text of
12、 the International Standard IEC 62223:2009 was approved by CENELEC as a European Standard without any modification. In the official version, for Bibliography, the following note has to be added for the standard indicated: IEC 60507 NOTE Harmonized as EN 60507:1993 (not modified). _ BS EN 62223:2009
13、3 EN 62223:2009 Annex ZA (normative) Normative references to international publications with their corresponding European publications The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated referenc
14、es, the latest edition of the referenced document (including any amendments) applies. NOTE When an international publication has been modified by common modifications, indicated by (mod), the relevant EN/HD applies. Publication Year Title EN/HD Year IEC 60050-471 - 1)International Electrotechnical V
15、ocabulary - Part 471: Insulators - - 1)Undated reference. BS EN 62223:2009 2 62223 IEC:2009 CONTENTS 1 Scope.5 2 Normative references .5 3 Terms and definitions .5 Bibliography18 BS EN 62223:200962223 IEC:2009 5 INSULATORS GLOSSARY OF TERMS AND DEFINITIONS 1 Scope This International Standard specifi
16、es terms defined in standards that fall under the scope of technical committee TC 36: Insulators. It covers terms that can be found in IEC 60050-471 as well as terms not appropriate for inclusion in IEC 60050-471 but used widely in the standards of IEC TC 36. IEC 60050-471 is not intended to cover a
17、ll the terms used in the various IEC standards but provides rather a general purpose vocabulary giving the basic terms and reference terms to be used by all technical committees. This glossary is intended to harmonize terms not listed in IEC 60050-471 but used in the publications of committee TC 36.
18、 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. IEC 60050-471, Internatio
19、nal Electrotechnical Vocabulary Part 471: Insulators 3 Terms and definitions For the purposes of this document, the following terms and definitions apply. 3.1 angular deviation of fixing holes rotational displacement, expressed as an angle, between corresponding fixing holes in the end fittings at t
20、he top and bottom of a hollow insulator or a post insulator 3.2 annealed glass glass which has been treated to eliminate internal stresses IEV 471-01-25 3.3 antipollution-type insulator insulator which has the external profile designed for use in polluted areas IEV 471-01-23 3.4 arcing distance shor
21、test distance in air external to the insulator between the metallic parts which normally have the operating voltage between them IEV 471-01-01 BS EN 62223:2009 6 62223 IEC:2009 3.5 ball and socket coupling coupling consisting of a ball, a socket and a locking device, and providing flexibility IEV 47
22、1-03-11 3.6 bushing device that enables one or several conductors to pass through a partition such as a wall or a tank, and insulate the conductors from it NOTE 1 The means of attachment (flange or fixing device) to the partition forms part of the bushing. The conductor may form an integral part of
23、the bushing or be drawn into the central tube of the bushing. NOTE 2 The bushings may be of the following types: liquid-filled bushing; liquid-insulated bushing; gas-filled bushing; gas- insulated bushing; oil-impregnated paper bushing; resin-bonded paper bushing; resin-impregnated paper bushing; ce
24、ramic, glass or analogous inorganic material bushing; cast or moulded resin-insulated bushing; combined insulation bushing; compound-filled bushing; gas-impregnated bushing. IEV 471-02-01 3.7 camber (of an insulator) maximum distance between the theoretical axis of an insulator and the curved line b
25、eing the locus of the centres of all the transverse cross-sections of the unloaded insulator IEV 471-01-26 3.8 cap and pin insulator insulator comprising an insulating part, usually having the form of a disk or bell, with or without ribs on its surface, and end fittings consisting of an outside cap
26、and an inside pin attached axially IEV 471-03-07 3.9 capacitance graded bushing condenser bushing bushing in which a desired voltage grading is obtained by an arrangement of conducting or semiconducting layers incorporated into the insulating material IEV 471-02-03 BS EN 62223:200962223 IEC:2009 7 3
27、.10 chalking flouring appearance of some particles of the filler of the housing material forming a rough or powdery surface 3.11 clevis female part of a clevis and tongue coupling with a U-shaped opening into which the tongue can be fitted NOTE A clevis contains two holes through which the coupling
28、pin may pass to couple the two components. 3.12 clevis and tongue coupling coupling consisting of a clevis, a tongue and a coupling-pin, and providing limited flexibility IEV 471-03-01 3.13 completely immersed bushing bushing, both ends of which are intended to be immersed in insulating media other
29、than ambient air (e.g. oil or gas) IEV 471-02-04 3.14 composite bushing bushing with an insulating envelope consisting of a resin-impregnated fibre tube with or without a rubber compound covering 3.15 composite insulator insulator made of at least two insulating parts, namely a core and a housing eq
30、uipped with metal fittings NOTE Composite insulators, for example, can consist either of individual sheds mounted on the core, with or without an intermediate sheath, or alternatively, of a housing directly moulded or cast in one or several pieces onto the core. IEV 471-01-02 3.16 connection zone zo
31、ne where the mechanical load is transmitted between the insulating body and the end fitting 3.17 core diameter either the geometric diameter of a core of circular cross section or A2 , for a core with non-circular cross-section of area A 3.18 core (of an insulator) central insulating part of an insu
32、lator, which provides the mechanical characteristics NOTE The housing and sheds are not part of the core. IEV 471-01-03 BS EN 62223:2009 8 62223 IEC:2009 3.19 coupling length distance between the end fittings NOTE For post insulators the coupling length is the distance from flange face to flange fac
33、e. 3.20 coupling (of an insulator) part of the end fitting which transmits load to the hardware external to the insulator 3.21 coupling pin rigid pin which passes through the holes in the clevis and tongue to couple them together NOTE On one end, the coupling pin has a stud head and on the other a s
34、ecurity device (e.g. split pin) is placed to hold the pin in its place 3.22 crack any internal fracture or surface fissure of depth greater than 0,1 mm 3.23 crazing surface micro-fractures of depths approximately 0,01 mm to 0,1 mm 3.24 creepage distance shortest distance or the sum of the shortest d
35、istances along the surface on an insulator between two conductive parts which normally have the operating voltage between them NOTE 1 The surface of cement or of any other non-insulating jointing material is not considered as forming part of the creepage distance. NOTE 2 If a high-resistance coating
36、 is applied to parts of the insulating part of an insulator, such parts are considered to be effective insulating surfaces and the distance over them is included in the creepage distance. IEV 471-01-04 3.25 cylindrical post insulator post insulator of approximately cylindrical shape consisting of on
37、e or more insulating components with a metal fitting attached to each end; the metal fitting may consist of a cap, insert or flange with plain or tapped holes for attachment by bolts or screws IEV 471-04-06 3.26 deflection under bending load displacement of a point on an insulator, measured perpendi
38、cularly to its axis, under the effect of a load applied perpendicularly to this axis IEV 471-01-05 3.27 displacements 3.27.1 axial displacement maximum positional variation, parallel to the insulator axis, of a definite point on the circumference of the considered insulator during one complete revol
39、ution about the insulator axis BS EN 62223:200962223 IEC:2009 9 3.27.2 radial displacement maximum positional variation, perpendicular to the insulator axis, of a definite point on the circumference of the considered insulator during one complete revolution about the insulator axis 3.27.3 angular di
40、splacement angular deviation about the insulator axis between corresponding planes of the two coupling pieces 3.28 draw lead bushing bushing not having an integral current-carrying conductor; a cable or other conductor may be drawn through the bushing and attached to it at one end so that it may sub
41、sequently be detached to allow the bushing to be withdrawn IEV 471-02-11 3.29 dust deposit gauge index non-soluble DDGIN mass of non-soluble residue collected by a dust deposit gauge over a given period of time generally expressed in mg 3.30 dust deposit gauge index soluble DDGIS volume conductivity
42、, generally expressed in S/cm, of the pollutants collected by a dust deposit gauge over a given period of time when dissolved in a standard quantity of demineralized water 3.31 eccentricity displacement, perpendicular to the axis of the hollow insulator or post insulator, between the centres of the
43、pitch circles of the fixing holes in the top and bottom metal fittings 3.32 equivalent salt deposit density ESDD amount of sodium chloride (NaCl) that, when dissolved in demineralized water, gives the same conductance as that of the natural deposit removed from a given surface of the insulator divid
44、ed by the area of this surface; generally expressed in mg/cm23.33 erosion irreversible and non-conducting degradation of the surface of the insulator that occurs by loss of material which can be uniform, localized or tree-shaped NOTE Light surface traces, commonly tree-shaped, can occur on composite
45、 insulators as on ceramic insulators, after partial flashover. These traces are not considered to be objectionable as long as they are non-conductive. When they are conductive they are classified as tracking. 3.34 end fitting integral component or formed part of an insulator, intended to connect it
46、to a supporting structure, or to a conductor, or to an item of equipment, or to another insulator NOTE Where the end fitting is metallic, the term “metal fitting” is normally used. BS EN 62223:2009 10 62223 IEC:2009 IEV 471-01-06 3.35 flashover (of an insulator) disruptive discharge external to the
47、insulator, and over its surface, connecting those parts which normally have the operating voltage between them IEV 471-01-07 3.36 glaze glassy surface layer on the insulating part of a ceramic insulator IEV 471-01-17 3.37 highest voltage for equipment Um highest r.m.s. value of line-to-line voltage
48、for which the equipment is designed in respect of its insulation as well as other characteristics which relate to this voltage in the relevant equipment standards IEV 604-03-01 3.38 hollow insulator insulator which is open from end to end, with or without sheds, including end fittings NOTE A hollow
49、insulator can be made from one or more permanently assembled insulating elements. IEV 471-01-08 3.39 housing external insulating part of composite insulator providing necessary creepage distance and protects the core from the environment NOTE An intermediate sheath made of insulating material may be part of the housing. IEV 471-01-09 3.40 indoor bushing bushing both ends of which are intended to be in ambient air at
