1、C E rl FI FC GENERAL SECRETARIAT RUB Brederode E, BIe 5 - ?Ob0 BRUXELLES Tbl. 02 I 511 79 32 - TBiex 26257 CenleC b I ISSU E I 7 985-04-241 INFORMATION SHEET HD 53.8 S3 ROTATING ELECTRICAL MACHINES PART 8: TERMINAL MARKINGS AND DIRECTION OF ROTATION OF ROTATING MACHINES Machines lectriques tournante
2、s Huitime partie: Marques d?extrmitset sens de rotation Drehsinn von umlaufenden Maschinen des machines tournantes Umlaufende elektrische Maschinen Teil 8: Anshlussbeteichnungen und RD: IEC 34-8 (1972) edition 1, modified This HD consists of the following: TITLE PAGE Ei . COMMON MODIFICATIONS date o
3、f ratification: 1979-12-06 date of latest publication: 1981-07-01 date of withdrawal: 1981-07-01 date of announcement: . - HARMONIZED NATIONAL STANDARDS: AT : VE-M 1 Part 1/1984 BE : NBN C 51-002 (1978) + Addendum CH : SEV/ASE 3009-8/1978; SEV/ASE 3009-8/1.1981 DE : DIN 57 530 Teil 8/VDE 0530 Teil 8
4、/02.83 DK : NOS ES : NR (UNE 20 130) FI : NOS FR : NF C 51 118 (1979) GB : BS 4999 Part 3 (1981) GR : NOS IE : NOS IT : CE1 2-8 (1978); S 628 (1982) LU : NOS NL : NEN 2448 (1984) NO : NEN 4872 PT : NOS SE : SEN 26 O1 08 I - _ m 3404583 O006383 3 U * *ctrqELEc HD 53.8 S3 GENERAL SECRETARIAT Rue Brder
5、ode 2, Bte 5 - 1000 BRUXELLES Tel. O2 - 511 79 32 - Telex 26257 Cenlec b . ENGLISH VERSION UDC: 621.313.1:621.315.683.777:531.15 Key wrds: Rotating electrical machines - terminal markings and direction of rotation ROTATING ELECTRICAL MACHINES PART 8: TERMINAL MARKINGS AND DIRECTION OF ROTATION OF RO
6、TATING MACHINES Machines lectriques tournantes Umlauf ende elektrische Maschinen Huitime. partia: Marques dextrmits Teil. 8: Anshlussbezeichnungen und et sens de rotation des machines Drehsinn von umlaufenden Maschinen tournantes BODY OF HD. i The Harmonization Document consists of: - - IEC 34-8 (19
7、72) edition 1; IEC/TC 2, not appended CENELEC common modifications prepared by CENELEC TC 2 This Harmonization Document was approved by CENELEC on 6 December 1973 The English and French versions of this HD are provided by the text of the IEC publication and the German version is the official transla
8、tion of the IEC text; the German translation is not yet available. All texts prepared by CENELEC exist in three official versions (English, French, and Germ an). According ta the CENELEC Internal Regulations the CENELEC member National - Committees are bound: to announce the existence of this Harmon
9、ization Document at national level by or before - to publish their new harmonized national standard by or before 1981-07-01 to withdraw all conflicting national standards by or before 1981-07-01. Harmonized national standards are listed on the HD information sheet, which is available from the CENELE
10、C National Committees or from the CENELEC General Secretariat. The CENELEC National Committees are the national electrotechnical committees of Austria, Belgium, Denmark, Finland, France, Germany, Greece, Ireland, Italy, Luxemburg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland, United Kin
11、gdom. Copyright reserved to all CENELEC members c. c HD 53r8 S3 TERMINAL MARKINGS AND DIRECTION OF ROTATION OF ROTATING MACHINES PREFACE TO HARMONIZATION DOCUMENT HD 538 S3 -. During the meeting held in Vienna in October 1983 CLC/TC2 decided to introduce in HD 10 all the amendments to IEC Publicatio
12、n 34-1 (1969) adopted as HD and to publish a new harmonization documentHD 53;1 52. It also decided : - to delete HD 10 - sub-clause 2.15.1 “Direction of rotation“ which is already - to introduce HD 10 - sub-clause 2;15.;2 “Terminal markings“ in HD 53.8 S2, incorporated in HD 53. 8 S2, clause 4. exce
13、pt the first paragraph which is already incorporated in sub-clause 5.1. Consequently, this harmonization document HD 53b.8 S3 is based on document HD 5328 S2 into which addi tionnal ru1 es concerning relation between terminal - markings and direction of rotation have been added. COMMON MODIFICATION
14、AND ADDITIONS I - Common L-i3-ci-L modification . c. Add to sub-clause 5.1 the following paragraphs : “In order to avoid any change in the terminal markings of machines in the case of anti-clockwise rotation, the connection of external cables shall be made by inter-changing two phases. The above req
15、uirement is valid for machines of any rated output and of any rated voltage even if the clackwise rotation is not praticable. However, the above requirement shall be reversed in the case of small machines with a reversible frame having the terminal box on the left side. When only one direction of ro
16、tation can be used, that direction shall be indicated by an arrow. Under that arrow, the terminal markings shall be repeated in the succession according to which they shall be connected to successive phases“. II - Common Additions L-II-ii-L-ii For application of IEC Publication 34-8 as national harm
17、onized standard by CENELEC countries the fol1 owing additions have poved necessary. . . ./. . . W 3L104583 000b385 i W HD 53.8 S3 -2- GE?;ERXI- ITIES . ._ TermiRa1 markings alone do not allow the mode of the operation of the machicc to be deduced. It should be noted that the figures are illustration
18、s only, They do not take the place of the Rules and the arrangement of terminals in the figures is not mandatory. As Publication IEC 3h-8 does, the rules below deal with “external“ terminals, i.e. terminals at the disposal of the user (IEC 3h-8, p.7, Explanatory Kote) but giv*-further details for a
19、clear under- standing of the marking itself. In the figures attached to these Additional Rules, markings of winding end points which are not “external terminals are indicated in .brackets for information purposes. Ai?DTTTT)T; IL RL-LES I 1. All terminals shall be identified by a narking. 2. The term
20、inals to be connected to the supply are those having internal connections tQ the winding end3 identified by the lobest suffix, vit. suffix 1 with untapped single-section windings (e.g. see Figs. 1 and 2). l 3. In any electrical machine there shall be not more than one I I 1 terminal with a given mar
21、king unless each of them is capable of performing the full electrical function appropriate to that marking, so that either may be used for the connection (see Figure i). I 4, If more than one terminal is provided to share the current, i additional numerical markings are necessary, separated by a ! r
22、 hyphen from the suffix of the.marking (see Figure 2). For windings with intermediate points, if more Chan two intermediate points per section arg provided, .the terminals corresponding to the tappings.shal1 be marked with the following - suffixes : t 5. . I f 3, 31, 32 . 4 7, 71, 72 8 . etc, (see F
23、igure 5). Mote : The rules given in IEC Tublication 44s. sub-clause 5.2.b, for tappings in a single element, cannot be applied strictly to rotating machines with mgre than two inrerrnediate points per section : see IEC 34-8,-Fig.2. 6. Multi-section windings 6. The terminals corresponding to the ends
24、 of the sections shall be marked with the following suffixes (see Figure 3 and alsoFigure 3 of Publ. 34-8), - first section : 1,2 . - second section : 5,6 - third section :. 9910 - fourth section : 13,14 In any section, the end point closer to the supply shall be marked with the lower numerical silf
25、fix. This applies to all multi-section vindings, whatever arrangements they may be meant for (e.g. see Figs. 7, 8, 9 and 10). If two or more sections of a winding are connected to a common terminal, it shall take the lowest of the suffixes of the ends connected (see Figure 4). 6.3 7. Separate windin
26、gs 7.1 Separate windings are such that, whatever purposes they may be intended to serve, they only are used one a-t a time, whether in full or partially, i.e. they are not intend4 fe:. any arrangement combining two or more windings or sectiona of them. 7.2 For mactiitrcs with separate Viiridings, th
27、e requircniL*nts of ClilsB 5 and Clousc 6 shall apply for each separate winding. In addition, all terminals. shall be marked with numerical prefixes corresponding to the separate winding to vhich they belong, .viz. : - first winding . : 1 - second winding :*2 - third winding :3 - fourth winding :4 -
28、 etc .;( see Fig. 6, and also Fiag.4 of IEC Publication 34-8) * Besides, in the case of multi-speed machines, the marking of terminals for connection to the supply shall be in accordance With Sub-clauses 8.2 and 8.3. m 3401 00037 o m -4- HD 53.8 S3 . 8. Multi-speed machines 8.1 If a machine has only
29、 one winding (e.g. a Dahlander or a pole modulation winding), the section end-points which are connected to the supply, when the sections are CoMected for the lowest speed, shall be identified by the lowest suffix. For each speed, the terminals to be connected to,the supply shall be marked with a nu
30、merical prefix. The sequence of the prefixes corresponds with the increasing speed sequence. . The suffix is omitted if the marking of a terminal has a _- prefix (e.g. see Figs. 7 and 8, which respectively aro the same as Figs. 7 and 8 in IEC 34-8). 8.2 If a machine has separate single-section windi
31、ngs (e.g. see IEC 34-8, Fig.4, for 2 separate windings), the rules of Clause 7 shall apply with the sequence of prefixes corresponding to an increasing speed sequence. The terminals to beconnected to the supply are those having internal connections to the winding ends identified by the lower suffix.
32、 Fcr each speed, the suffixes of the terminals to be coruicctc?d to the supply are omitted. 8.3 If a machine has separate windings including multi-section windings (e.g. Dahlander or pole modulation windings), rulf?s in Sub-clauses 8.1 and 8.2 apply in combination (e.g. see Fig. 9, which is the same
33、 as Fig.9 in IEC 34-8, and Fig.li, The relation between direction of rotation and alphabetical sequence of the terminal letters given in Sub-clause 5.1 of IEC 34-8 is valid for all speeds .Should in a winding two phases be switched over to achieve this, then said switch shall be applied to terminal
34、markings U and W and shall be .applied to the arrangementfor the lowest speed (e.g. see Figs 7, 8, 9 which respectively are the same as Figs 7, 8 and 9 in IEC 34-81. 8.4 9. When an end of a main winding and an end of an auxiliary windiiig , are connected to the same terminal, that terminal sliall be
35、 identified according to therule for the main winding (see Figs. 11 and 12). Kote : Rule in Clause 9 cannot be applicd to some types of small - power motors. k specific terminal coding system for sucfi motors is under consideration. -5- HD 53.8 S3 b .Vl-Z w i-2 Ul-1 Vf-1 Wl-4 A V A Fig. 1 .:ac!:ice
36、with two terrcinal koxu Fig. 2 . Lzchine with paraliei for alterzative connections cormcted cablcc to the supply (either A or B connected with (A and B connected with supply) supply) “P ur b c v1 o VL i w P w2 !i u9 i! u10 v9 ? v 10 !i w 10 .-l. r;g. 3 Four section winding (24 terminals) 1 u2 v2 w2
37、Fig. 4 Two-section winding connected to 9 terminals Ell 3404583 000b388 2 1111 3404583 0006389 4 W -6- HD 53.8 S3 c u5 u7 U 72 u73 0 w73 UG Fig. 5 Two-section winding with 4 tappings (36 terminals) P k 1 u2 T lu6 IV.( ?. I v2 -1 V5 i IV6 IW1 i lW2 1W5 IWG I 2u2 2u3 2U6 2v1 1: T 2v2 2w2 2v5 2w5 2 i,
38、W6 Fig. 6 Two separate two-section windings (24 terminals) n 2u . 2v 2w I 3404583 0006370 O - 7- - HD 53.8 S3 Line Low speed: IL!, IV, 1U connected with supply. Winding connection: series star. Eigii speed: 2t, 2V, 2W connected with supply i.! connected to IV and ?U Kinding connection: parallel star
39、. ,t -7 - -$- - - - - a lu Fig. 7 Three-phase two-speed winding with six terminals, for Dahlander or sun-modulated series star and parallel star arrangements Note: lerninals IU and 1W have been switched over for the lower speed in order to have the same direction of ro-tation for both speeds. I 2U Z
40、V 2w 1w 1v lu s Line Line 3L10Y583 0006393 2 HD 53.8 S3 -8- Low speed: 1W, IV, 1U connected with supply. Winding connection: series delta High speed: 2U, 2V, 2W connected with supply. lu connected with IV and IW. Winding connection: parallel star. . External common point . Fig. 8 Same winding as in
41、Fig. 7 but for series delta and parallel star arrangements. Note c L Terminals 1U and IW have been switched over for the lower speed in order to have the same direction of rotation for both speeds. W 3904583 0006392 9 -9- HD 53.8 S3 zu 2v 2w 3u 3v 3w Fig. 9 1w f 1v lu Exterm. cornmol: point Three-ph
42、ase three-speed one being Dahlander*or sum modulated arrangements, the other a single star-connected winding for the intermediate speed, nine terminals. induction motor with 2 separate windings, a winding like Fig. 8 for bottom and top speeds, with The sequence of the numerical prefixes of terminals
43、 corresponds with the speed sequence: Lowest speed: lu, IV, IV connected with supply Intermediate speed: ZU, 2V, 2W connected with supply Highest speed: 3U, 3V, 3W connected with supply The relation between direction of rotation and alphabetical sequence of the terniinal letters g;Fvenin.Sub-clause
44、8.4 is valid for all speeds: terminals Ili and IN for the lowest speed have been switched over in order to have the same direction of rotation for all speeds. lu2 -o 3u -o lu Fig. IO W 3904583 0006393 b U - 10 - HD 53.8 S3 4u hV 2w2 4w 2w 4 -0 Three-phase four-speed induction motor with 2 separate w
45、indings, each being a two-speed difference-modulated arrangement, for example motor with 48/12 and 16/4 poles. The sequence of the numerical prefixes of terminals corresponds with the speed sequence: First winding (realizing the lowest speed and speed number 3): 48 poles: lu, IV, Ili (1) connected w
46、ith supply , 12 poles: 3U, 3V, 3FJ (I) connected with supply Second winding (realizing speed number 2 and the highest speed): 16 poles: 2U, 2V, 2W (1) connected with supply 4 poles: 4U, 4V, 4W (1) connected with supply The relation between direction of rotation and alphabetical sequence of the termi
47、nal letters given in Sub-clause 8.4 is valid for all four speeds. (I) Note: The linking of other terminals to achieve the selected speed will depend upon the details of the windings. Fig. 11 n i o Split-phase or capacitor-start reversible motor with 2 terminals - Supply to terminals U1 and U2. Clockwise rotation as shown. m io reverse rotatkori, interchange (Z? ) arid (22) . i w2 Fig 12a 71 Reversible capacitor-start motor with 3 terminals and externally connected capacitor. Supply to terminals U? and U2 - Fig. 12b Counterclockwise rotation Fig. 12a Clockwise rotation
