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1、BRITISH STANDARD BS 5406-1: 1988 EN 60 555-1: 1987 IEC 555-1: 1982 Disturbances in supply systems caused by household appliances and similar electrical equipment Part 1: Glossary of terms EN title: Part 1: Definitions The European Standard EN 60 555-1 has the status of a British Standard UDC 621.391
2、.823:64.06 83(083.71) Licensed Copy: sheffieldun sheffieldun, na, Mon Dec 04 13:09:44 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 5406-1:1988 This British Standard, having been prepared under the direction of the General Electrotechnical Engineering Standards Committee, was published under the aut
3、hority of the Board of BSI and comes into effect on 30 November 1988 BSI 03-1999 First published, as BS 5406, July 1976 First revision, in parts, Part 1 November 1988 The following BSI references relate to the work on this standard: Committee reference GEL/111 Draft for comment 80/27600 DC ISBN 0 58
4、0 16679 1 Cooperating organizations The European Committee for Electrotechnical Standardization (CENELEC), under whose supervision this European Standard was prepared, comprises the National Committees of the following countries. AustriaLuxemburg BelgiumNetherlands DenmarkNorway FinlandPortugal Fran
5、ceSpain GermanySweden GreeceSwitzerland IrelandUnited Kingdom Italy Amendments issued since publication Amd. No.Date of issueComments Licensed Copy: sheffieldun sheffieldun, na, Mon Dec 04 13:09:44 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 5406-1:1988 BSI 03-1999i Contents page Cooperating organ
6、izationsInside front cover National forewordii Brief history2 Text of EN 60 555-13 National appendix Z10 Publications referred toInside back cover Licensed Copy: sheffieldun sheffieldun, na, Mon Dec 04 13:09:44 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 5406-1:1988 ii BSI 03-1999 National forewor
7、d This part of BS 5406 has been prepared under the direction of the General Electrotechnical Engineering Standards Committee and is the English language version of EN 60 555-1 which is identical with IEC Publication 555-1:1982. Together with Part 2 “Specification of harmonics”, and Part 3 “Specifica
8、tion of voltage fluctuations”, it supersedes BS 5406:1976 EN 50 006 which is withdrawn. Page numbering. Attention is drawn to the fact that the page numbers quoted in the text of EN 60 555-1 in relation to the figures are the page numbers of IEC Publication 555-1. These page references do not corres
9、pond to the EN page numbers. All the figures can be found on EN pages 11 to 13. Cross-references. The British Standard corresponding to the International Electrotechnical Vocabulary is BS 4727 “Glossary of electrotechnical, power, telecommunication, electronics, lighting and colour terms”. However,
10、no detailed cross-reference between the definitions in the IEV and those in BS 4727 is necessary since the definitions are given in extenso in this standard. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for thei
11、r correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, pages i and ii, the EN title page, pages 2 to 10, an inside back cover and a back cover. This standard h
12、as been updated (see copyright date) and may have had amendments incorporated. This will be indicated in the amendment table on the inside front cover. Licensed Copy: sheffieldun sheffieldun, na, Mon Dec 04 13:09:44 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EUROPEAN STANDARD NORME EUROPENNE EUROPIS
13、CHE NORM EN 60 555-1 April 1987 UDC: 621.391.823:64.06 83(083.71) Key words: Electromagnetic compatibility; disturbances; household electrical appliances; definitions English version Disturbances in supply systems caused by household appliances and similar electrical equipment Part 1: Definitions IE
14、C 555-1 (1982 1st edition) Perturbations produites dans les rseaux dalimentation par les appareils lectrodomestiques et les quipements analogues Premire partie: Dfinitions CEI 555-1 (1982 1re dition) Rckwirkungen in Stromversorgungsnetzen, die durch Haushaltgerte und durch hnliche elektrische Einric
15、htungen verursacht werden Teil 1: Begriffe IEC 555-1 (1982 1.Ausgabe) This European Standard was ratified by CENELEC on 27 February 1986. CENELEC members are bound to comply with the requirements of the CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the
16、 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 CENELEC Central Secretariat or to any CENELEC member. This European Standard exists in three official, versiosns (English, F
17、rench, German). A version in any other language made by translation under the responsibility of a CENELEC member into its own language and notified to CENELEC Central Secretariat has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Be
18、lgium, Denmark, Finland, France, Germany, Greece, Ireland, Italy, Luxemburg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotec
19、hnische Normung Central Secretariat: rue Brderode 2, B-1000 Brussels CENELEC 1987. Copyright reserved to all CENELEC members Ref. No. EN 60 555-1:1987 E Licensed Copy: sheffieldun sheffieldun, na, Mon Dec 04 13:09:44 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 60 555-1 BSI 03-1999 2 Brief history
20、The CENELEC Questionnaire Procedure performed for finding out whether or not IEC 555-1 (first edition, 1982) could be accepted without textual changes, has shown that no common modifications were necessary for the acceptance as a European Standard (EN). The Reference Document was submitted to the CE
21、NELEC members for vote and acceptance by CENELEC. Technical text The text of the International Standard IEC 555-1 (first edition, 1982) was approved by CENELEC on 27 February 1986 as a European Standard. The following dates were fixed for the EN: NOTEEN 60 555-1, EN 60 555-2 and EN 60 555-3 supersed
22、es EN 50 006. Contents Page Brief history2 1Scope and object3 2General terms3 3Impedances4 4Harmonics4 5Voltage changes4 6Flicker5 Index6 Figure 1 Synchronous multicycle control idealized current graph7 Figure 2 Generalized phase control. Idealized current waveform for a resistive load (examples)7 F
23、igure 3 Impedances diagram8 Figure 4 Sinusoidal voltage fluctuation of 10 Hz frequency8 Figure 5 Illustration of peak voltage changes9 doa:1986-12-01 dop/dow:1987-06-01 Licensed Copy: sheffieldun sheffieldun, na, Mon Dec 04 13:09:44 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 60 555-1 BSI 03-19993
24、 1 Scope and object This standard is one of a series which deals with disturbances in supply systems caused by household appliances and similar electrical equipment. This series will consist of three parts: Part 1: Definitions (IEC Publication 555-1); Part 2: Harmonics (IEC Publication 555-2); Part
25、3: Voltage fluctuations (IEC Publication 555-3). 2 General terms 2.1 Electromagnetic compatibility The ability of a device to function satisfactorily in its electromagnetic environment without introducing intolerable disturbances to that environment or to other devices therein. 2.2 Input (or output)
26、 power control The methods and means of regulating the electric energy supplied to (or from) an apparatus, machine or system to achieve required performance. 2.3 Control system A combination of control apparatus or devices co-ordinated to execute a planned set of controls, or to maintain a pre-set v
27、alue. 2.4 Cyclic on/off switching control An input power control which operates to switch the supply to the equipment on and off in a repetitive manner. NOTEIn a cyclic switching control system, electromechanical or electronic switches can be used. 2.5 Programme (program) (of a control system) A set
28、 of command and information signals necessary for the achievement of a specific sequence of operations. 2.6 Multicycle control The process of varying the ratio of the number of half-cycles of current conduction to the number of half cycles of non-conduction. NOTEThe various combinations of times of
29、conduction and non-conduction enable, for example, the average power supplied to the controlled load to be varied. 2.6.1 Synchronous multicycle control Multicycle control in which the starting instants of the operating intervals are synchronized with respect to the line voltage. NOTE 1For resistive
30、loads, the starting instant is normally at voltage zero and current flows for an integral number of complete half-cycles. This is sometimes known as “Burst firing control” and should not be confused with a firing technique for thyristors in which a burst or train of trigger pulses is applied. NOTE 2
31、Figure 1 shows an idealized example of the current supplied to a resistive single-phase load controlled according to this principle. 2.7 Generalized phase control (for example, see Figure 2) The process of varying, within the cycle (or half-cycle) of the supply voltage, the time interval or interval
32、s during which current conduction occurs. 2.7.1 Phase control The process of varying, within the cycle (or half-cycle) of the supply voltage, the instant at which current conduction begins. In this process the conduction ceases at or about the passage of current through zero. NOTE 1Phase control is
33、a particular case of generalized phase control. NOTE 2Variation of the instant at which current conduction begins (variation of the delay angle) makes it possible to vary the power supplied to a connected load. NOTE 3Figure 2d shows an idealized example of the current supplied to a resistive single-
34、phase load under symmetrical phase control. 2.8 Delay angle (I.E.V. 551-05-29) The time expressed in angular measure by which the starting instant of current conduction is delayed by phase control. NOTEThe delay angle can be either constant or variable and is not necessarily intended to be the same
35、for positive and negative half-cycles. 2.9 Symmetrical control (single-phase) Control by a device designed to operate in an identical manner on the positive and negative half-cycles of an alternating voltage or current. NOTEIf the positive and negative half-waves of the input source have the same fo
36、rm and amplitude: a) Generalized phase control is symmetrical if the current waveform is the same for both positive and negative half-cycles. b) Multicycle control is symmetrical if within each conduction period the number of positive and negative half-cycles is equal. 2.10 Asymmetrical control (sin
37、gle-phase) Control by a device designed to operate in a different manner on the positive and negative half-cycles of an alternating voltage or current. NOTEIf the positive and negative half-waves of the input source have the same form and amplitude: a) Generalized phase control is asymmetrical if th
38、e current waveform is not the same for both positive and negative half-cycles. b) Multicycle control is asymmetrical if within each conduction period the number of positive and negative half-cycles is unequal. 2.11 Waveform (I.E.V. 101-05-04) A representation of the local or the instantaneous value
39、of a function defining the wave. Licensed Copy: sheffieldun sheffieldun, na, Mon Dec 04 13:09:44 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 60 555-1 4 BSI 03-1999 2.12 Cycle (I.E.V. 101-04-13) The complete range of states or of values through which a phenomenon or a set of quantities passes in a
40、given repeatable order. 2.13 Cycle of operation (I.E.V. 151-03-03) A series of operations that may be repeated at will or automatically. 3 Impedances 3.1 Point of common coupling (P.C.C.) (of two or more loads) (see Figure 3) The point of common coupling with other consumers is the point in the publ
41、ic supply network, electrically nearest to the consumer in whose installation the appliance is, or is to be, connected, at which other consumers installations are, or may be, connected. NOTEThe P.C.C. may be at any point of the supply system but is usually considered to be the junction of ZA and ZB.
42、 3.2 Supply system impedance (ZA) (see Figure 3) The system impedance up to the P.C.C. with other consumers. 3.3 Service connection impedance (ZB) (see Figure 3) The impedance of the connection from the P.C.C. with other consumers up to the point on the users side of the metering point. 3.4 House wi
43、ring impedance (ZC) (see Figure 3) The impedance of the house wiring between the metering point and the socket-outlet. 3.5 Appliance impedance (ZD) (see Figure 3) The appliance impedance is the sum of two impedances: the flexible cord impedance between the socket-outlet and the appliance, and the in
44、ternal wiring impedance. 3.6 Reference impedance A conventional impedance used to calculate or measure the disturbance caused by an appliance. 4 Harmonics 4.1 Fundamental (component) (I.E.V. 101-04-38) The component of order 1 of the Fourier series of a periodic quantity. NOTEFor the purpose of this
45、 standard, the fundamental frequency is the frequency of the supply system. 4.2 Harmonic (component) (I.E.V. 101-04-39) A component of order greater than 1 of the Fourier series of a periodic quantity. 4.3 Harmonic order (n) (I.E.V. 101-04-40) The integral number given by the ratio of the frequency
46、of a harmonic to the fundamental frequency. NOTEFor example, a harmonic, the frequency of which is twice the fundamental frequency, is called the second harmonic. 4.4 Harmonic ratio (of a harmonic component) For a harmonic component of order n of a distorted wave, the ratio (which may be expressed a
47、s a percentage) of the r.m.s. value of this harmonic component to the r.m.s. value of the fundamental component of that same wave. 4.5 Harmonic content (I.E.V. 101-04-42) The quantity obtained by subtracting the fundamental component from an alternating quantity. 4.6 (Total) harmonic distortion (I.E
48、.V. 101-04-43) The ratio of the r.m.s. value of the harmonic content to the r.m.s. value of the alternating quantity. 4.7 Fundamental factor (I.E.V. 131-03-03) (of a non-sinusoidal alternating voltage or current) The ratio of the r.m.s. value of the fundamental component to the r.m.s. value of the a
49、lternating quantity. 5 Voltage changes NOTEFor different purposes it may be necessary to consider changes of either the r.m.s. or the peak voltage. In the following definitions the word “voltage” shall be read as r.m.s. or peak as appropriate. 5.1 Voltage change (see Figure 5) A variation of the r.m.s. (or peak) value of the supply voltage between two adjacent levels, each of which is sustained for definite but unspecified times. 5.2 Magnitude of a voltage change (see Figure 5) The difference between the r.m.s. (or peak)