1、July 2014Translation by DIN-Sprachendienst.English price group 16No part of this translation may be reproduced without prior permission ofDIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).ICS 25
2、.160.30; 29.180!%7Az“2203087www.din.deDDIN EN ISO 5826Resistance welding equipment Transformers General specifications applicable to all transformers (ISO 5826:2014);English version EN ISO 5826:2014,English translation of DIN EN ISO 5826:2014-07Widerstandsschweieinrichtungen Transformatoren Allgemei
3、ne Anforderungen anwendbar fr alle Transformatoren (ISO 5826:2014);Englische Fassung EN ISO 5826:2014,Englische bersetzung von DIN EN ISO 5826:2014-07Matriel de soudage par rsistance Transformateurs Spcifications gnrales applicables tous les transformateurs (ISO 5826:2014);Version anglaise EN ISO 58
4、26:2014,Traduction anglaise de DIN EN ISO 5826:2014-07SupersedesDIN EN ISO 5826(VDE 0545-10):2003-10www.beuth.deIn case of doubt, the German-language original shall be considered authoritative.Document comprises 38 pages06.14 DIN EN ISO 5826:2014-07 2 A comma is used as the decimal marker. National
5、foreword This document (EN ISO 5826:2014) has been prepared by Technical Committee ISO/TC 44 “Welding and allied processes” in collaboration with Technical Committee CEN/TC 121 “Welding and allied processes” (Secretariat: DIN, Germany). The responsible German body involved in its preparation was the
6、 Normenausschuss Schweien und ver-wandte Verfahren (Welding and Allied Processes Standards Committee), Working Group NA 092-00-12-06 AK Fertigungsmittel zum Widerstandsschweien (DVS AG V 3.8). The DIN Standards corresponding to the International Standards referred to in this document are as follows:
7、 ISO 669 DIN ISO 669 ISO 10656 DIN ISO 10656 ISO 17657-3 DIN EN ISO 17657-3 ISO 17657-4 DIN EN ISO 17657-4 ISO 17677-1 DIN EN ISO 17677-1 ISO 22829 DIN EN ISO 22829 IEC 60051-2 DIN EN 60051-2 IEC 60085 DIN EN 60085 (VDE 0301-1) IEC 60204-1:1997 DIN EN 60204-1:1997 (VDE 0113-1) IEC 60529 DIN EN 60529
8、 (VDE 0470-1) IEC 60664-1 DIN EN 60664-1 (VDE 0110-1) IEC 61140 DIN EN 61140 (VDE 0140-1) IEC 62135-1 DIN EN 62135-1 (VDE 0545-1) Amendments This standard differs from DIN EN ISO 5826 (VDE 0545-10):2003-10 as follows: a) Clause 1 “Scope” has been updated; b) technical details have been updated throu
9、ghout the document and Table 3 “Temperature limits for windings” has been completely revised; c) the standard has been editorially revised. Previous editions DIN ISO 5826 (VDE 0545-10): 2000-07 DIN EN ISO 5826 (VDE 0545-10): 2003-10 DIN EN ISO 5826:2014-07 3 National Annex NA (informative) Bibliogra
10、phy DIN ISO 669, Resistance welding Resistance welding equipment Mechanical and electrical require-ments DIN ISO 10656, Electric resistance welding Integrated transformers for welding guns DIN EN ISO 17657-3, Resistance welding Welding current measurement for resistance welding Part 3: Current sensi
11、ng coil DIN EN ISO 17657-4, Resistance welding Welding current measurement for resistance welding Part 4: Calibration system DIN EN ISO 17677-1, Resistance welding Vocabulary Part 1: Spot, projection and seam welding DIN EN ISO 22829, Resistance welding Transformer-rectifier for welding guns with in
12、tegrated transformers Transformer-rectifier units operating at 1 000 Hz frequency DIN EN 60051-2, Direct acting indicating analogue electrical measuring instruments and their accessories Part 2: Special requirements for ammeters and voltmeters DIN EN 60085 (VDE 0301-1), Electrical insulation Thermal
13、 evaluation and designation DIN EN 60204-1:1997 (VDE 0113-1), Safety of machinery Electrical equipment of machines Part 1: General requirements DIN EN 60529 (VDE 0470-1), Degrees of protection provided by enclosures (IP code) DIN EN 60664-1 (VDE 0110-1), Insulation coordination for equipment within
14、low-voltage systems Part 1: Principles, requirements and tests DIN EN 61140, VDE 0140-1, Protection against electric shock Common aspects for installation and equip-ment DIN EN 62135-1 (VDE 0545-1), Resistance welding equipment Part 1: Safety requirements for design, manufacture and installation DIN
15、 EN ISO 5826:2014-07 4 This page is intentionally blank EN ISO 5826February 2014 ICS 25.160.30; 29.180 Supersedes EN ISO 5826:2003English Version Resistance welding equipment - Transformers - General specifications applicable to all transformers (ISO 5826:2014) Matriel de soudage par rsistance - Tra
16、nsformateurs - Spcifications gnrales applicables tous les transformateurs (ISO 5826:2014) Widerstandsschweieinrichtungen - Transformatoren - Allgemeine Anforderungen anwendbar fr alle Transformatoren (ISO 5826:2014) This European Standard was approved by CEN on 3 February 2014. CEN members are bound
17、 to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this 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 CEN
18、-CENELEC Management Centre or to any CEN member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre ha
19、s the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Lu
20、xembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey andUnited Kingdom. CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2014 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN nati
21、onal Members. Ref. No. EN ISO 5826:2014 EEUROPEAN COMMITTEE FOR STANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGEUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMContents Page Foreword . 4 1 Scope . 5 2 Normative references. 5 3 Terms and definitions 5 4 Symbols and abbreviat
22、ed terms . 7 5 Construction, additional equipment . 8 5.1 Thermal protection . 8 5.2 Output current sensing coil 8 6 Physical environment and operating conditions 9 6.1 General 9 6.2 Ambient air temperature 9 6.3 Humidity 9 6.4 Altitude 9 6.5 Transportation and storage 9 6.6 Provisions for handling
23、. 9 6.7 Cooling liquid temperature . 10 7 Tests 10 7.1 Test conditions . 10 7.2 Type tests 10 7.3 Routine tests . 11 8 Protection against electric shock . 11 8.1 Insulation resistance 11 8.2 Dielectric strength 11 8.3 Calibration of output current sensing coil 12 8.4 Protection against electric shoc
24、k in normal service (direct contact) . 13 8.5 Protection against electric shock in case of fault condition (indirect contact) . 13 8.6 Class II transformer insulation requirements . 13 9 Thermal rating 13 9.1 General 13 9.2 Limits of temperature rise . 14 9.3 Heating test conditions 15 9.4 Methods o
25、f temperature measurements 17 10 Rated output voltage 19 10.1 General 19 10.2 a.c. no-load voltage (U20) 19 10.3 d.c. no-load voltage (U2d) 19 11 No-load input current (I10) . 19 11.1 General 19 11.2 Measurement procedure . 20 12 Short-circuit voltage (Ucc) . 20 13 Output current under load conditio
26、n . 20 14 Cooling liquid circuit 21 15 Dynamic behaviour 21 16 Rating plate . 21 16.1 General 21 16.2 Description 22 17 Instruction manual . 24 2DIN EN ISO 5826:2014-07 EN ISO 5826:2014 (E) Annex A (informative) Example of a rating plate 25 Annex B (normative) Corrections for higher altitudes and co
27、oling medium temperatures 26 Annex C (informative) Notes on physical concepts and comments on some definitions . 27 Annex D (informative) Type code for single-phase transformers for alternating welding current . 33 Bibliography 34 3DIN EN ISO 5826:2014-07EN ISO 5826:2014 (E)ForewordThis document (EN
28、 ISO 5826:2014) has been prepared by Technical Committee ISO/TC 44 “Welding and allied processes” in collaboration with Technical Committee CEN/TC 121 “Welding and allied processes” the secretariat of which is held by DIN. This European Standard shall be given the status of a national standard, eith
29、er by publication of an identical text or by endorsement, at the latest by August 2014, and conflicting national standards shall be withdrawn at the latest by August 2014. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or
30、 CENELEC shall not be held responsible for identifying any or all such patent rights. This document supersedes EN ISO 5826:2003. According to the CEN-CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria,
31、Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Sw
32、itzerland, Turkey and the United Kingdom. Endorsement notice The text of ISO 5826:2014 has been approved by CEN as EN ISO 5826:2014 without any modification. 4DIN EN ISO 5826:2014-07 EN ISO 5826:2014 (E) 1 ScopeThis International Standard gives specifications applicable to the following types of tra
33、nsformers for use in resistance welding equipment: single-phase transformers for a.c. welding, typically operating at 50 Hz or 60 Hz; single-phase transformers with connected rectifier for d.c. welding, typically operating at 50 Hz or 60 Hz; single-phase inverter transformers with connected rectifie
34、r for d.c. welding, typically operating at 400 Hz to 2 kHz; three-phase transformers with connected rectifier for d.c. welding, typically operating at 50 Hz or 60 Hz.For the purposes of this International Standard, the term transformer can refer to the transformer alone or with connected rectifier (
35、transformer-rectifier unit).This International Standard applies to transformers built to protection class I or II according to IEC 61140.NOTE The requirements of this International Standard can be supplemented by other resistance welding transformer standards, e.g. ISO 22829 and ISO 10656.2 Normativ
36、e referencesThe following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) appl
37、ies.ISO 669, Resistance welding Resistance welding equipment Mechanical and electrical requirementsIEC 60085, Electrical insulation Thermal evaluation and designationIEC 60529, Degrees of protection provided by enclosures (IP code)IEC 61140, Protection against electric shock Common aspects for insta
38、llation and equipmentISO 17657-3, Resistance welding Welding current measurement for resistance welding Part 3: Current sensing coilISO 17657-4, Resistance welding Welding current measurement for resistance welding Part 4: Calibration systemISO 17677-1, Resistance welding Vocabulary Part 1: Spot, pr
39、ojection and seam welding3 Terms and definitionsFor the purposes of this document, the terms and definitions given in ISO 17677-1 and ISO 669, and the following apply.5DIN EN ISO 5826:2014-07EN ISO 5826:2014 (E)3.1transformer-rectifier unittransformer with connected rectifiertransformer incorporatin
40、g a full-wave rectifier in its output circuit3.2input voltageU1RMS value of the voltage applied to the primary terminals of the transformer3.3rated supply voltageU1NRMS value of the supply voltage (applied to the input terminals) for which the transformer is constructedNote 1 to entry: This voltage
41、can be different from the mains voltage.3.4d.c. no load voltageU2dfor transformers, RMS value of the voltage at the output when a load resistance is connected across the output terminals3.5input currentI1RMS value of the current at the input terminals of the transformer3.6output currentI2RMS value o
42、f the current at the output terminals of the transformer3.7output current at a given duty factorI2XRMS value of the current at the output terminals of the transformer at a duty factor, X3.8no-load input currentI10RMS value of the current at the input terminals of the transformer with open circuit ou
43、tput terminals3.9permanent input currentI1p, ILpmaximum rated value of the current at the input terminals corresponding to the permanent output currentNote 1 to entry: The relationship between input and output currents depends on the type of transformer.Note 2 to entry: I1pis used for single-phase t
44、ransformers; ILpis used for three-phase transformers.6DIN EN ISO 5826:2014-07 EN ISO 5826:2014 (E) 3.10permanent output currentI2phighest output current on all settings of the regulator, for continuous operation (100 % duty factor)SOURCE: ISO 669Note 1 to entry: The permanent output current is a sta
45、ndardized parameter that is used for comparison and characterization between different transformers. The value of the permanent output current is dependent on the test conditions as described in this standard.3.11output current under load conditionI2Rinstantaneous RMS value of the output current del
46、ivered by the transformer with a load resistance, R3.12rated permanent apparent input powerS1prated permanent apparent power calculated by U1N I1pNote 1 to entry: Welding equipment permanent power, Sp, determined in accordance with ISO 669, may be different from its welding transformer rated permane
47、nt apparent input power, S1p.4 Symbols and abbreviated termsThe symbols used in this International Standard are listed in Table 1.Table 1 SymbolsSymbol Description Used in sectionI1input current 3.5, 9.3I10no-load input current 3.8, Clause 11I1prated permanent input current (single-phase transformer
48、s) 3.9, 9.1, Clause 12ILprated permanent input current (three-phase transformers) 3.9, 9.1I2output current 3.6, 9.3, Annex CI2ppermanent output current at 100 % duty factor 3.10, 9.1, 9.3, 16.2, Annex CI2Routput current on load condition 3.11, Clause 13I2Xoutput current at a given duty factor 3.7, A
49、nnex Cm mass 16.2SXinput power at a given duty factor Annex CS1prated permanent apparent input power 3.12, 9.1, 16.2, Annex CQ rated cooling liquid flow Clause 14, 16.2R1initial resistance of a winding 9.3.5, 9.4.3R2resistance of a winding at end of heating test 9.4.3T Time Annex Ct1on-load time Annex CT cycle time Annex CU1input voltage 3.2, Clause 13Uccrated short-circuit voltage Clause 12
