EN 60870-2-1-1996 en Telecontrol Equipment and Systems Part 2 Operating Conditions Section 1 Power Supply and Electromagnetic Compatibility《遥控设备和系统 第2部分 工作条件 第1节 电源和电磁兼容性 IEC 870-2.pdf
《EN 60870-2-1-1996 en Telecontrol Equipment and Systems Part 2 Operating Conditions Section 1 Power Supply and Electromagnetic Compatibility《遥控设备和系统 第2部分 工作条件 第1节 电源和电磁兼容性 IEC 870-2.pdf》由会员分享,可在线阅读,更多相关《EN 60870-2-1-1996 en Telecontrol Equipment and Systems Part 2 Operating Conditions Section 1 Power Supply and Electromagnetic Compatibility《遥控设备和系统 第2部分 工作条件 第1节 电源和电磁兼容性 IEC 870-2.pdf(29页珍藏版)》请在麦多课文档分享上搜索。
1、STD-BSI BS EN b0870-2-L-ENGL 199b Lb2YbbS 0575037 501 BRITISH STANDARD Telecontrol equipment and systems Part 2. Operating conditions Section 1. Power supply and electromagnetic compatibility The European Standard EN 67CL2-1: 1996 has the status of a British Standard ICs 29.020; 33.200 NO COPYING WI
2、THOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW BS EN 60870-2-1 : 1996 IEC 870-2-1 : 1995 BS EN 60870-2-1 : 1996 This British Standard, having been prepared under the direction of the Electrotechnicai Sector Board, was published under the authority of the Standards Board and comes inta eff
3、ect on 16 December 1996 O BSI 1996 Committees responsible for this British Standard The preparation of this British Standard was entrusted to Technical Codttee PEM7, Power systems control and associated communidom, upon which the following bodies were represented: BEAMA Metering Association MA) Buil
4、ding Automation second edition, published by the International Electrotechnid Commission (IEC). This British Standard supersedes BS 7404 : Part 2 : Section 2.1 : 1991 which is withdrawn. It implemented HD 546.2.1 S1 which was based on IEC 870-2-1 : 1987. Other Park of the IEC 870 series with their c
5、orresponding British Standards, which are necessary reading for those developing complete telecontrol systems, are as follows. IEC publication IEC 870-1-1 : 1988 IEC 870-1-2 : 1989 IEC 870-13 : 1990 IEC 870-14 : 1994 IEC 8703 : 1989 IEC870-4: 1990 IEC 870-5-1 : 1990 IEC 87a2 : 1992 IEC 87M-3 : 1992
6、IEC 870-54 : 1993 IEC 8704% : 1995 IEC 870-5101 : 1995 IEC 87M2 : 1995 IEC 870-6401 : 1994 Cross-references Publication referred to HD 472 S1: 1989 (IEC 38 (mod) 1983) IEC 50(161) : 1990 HD 588.1 s1: 1991 (IEC 60 series) EN 60060-2 mc 602) IEC 664-1 : 1992 Corresponding British Standard BS 7404 Tele
7、conCr01 equipment and systems Part 1 Geneml considemtions Section 1.1 : 1991 Generalpr 33.200 Supersedes HD 546.2.1 S1 : 1991 Descriptors: Telecontrol, electric power supply, electromagnetic compatibility, earthing, operating condition, environmental condition, immunity, emission, harmonic content,
8、insulation withstand voltage, data transmission, teleprotection, distribution line canier system, distribution automation system English version Telecontrol equipment and systems Part 2: Operating conditions Section 1: Power supply and electromagnetic compatibility (IEC 870-2-1 : 1995) Matriels et s
9、ystmes de tlconduite Partie 2 Conditions de fonctionnement Section 1: Alimentation et compatibiitk lectromagntique elektromagnetische Vertr 2) the EMC minimum requirements, expressed in terms of immunity and emission test levels. With reference to EMC, the test levels have been selected among the cl
10、asses established by the IEC basic publications on EMC, taking into account the particular environmental conditions under which the various types of equipment considered by this section operate; test procedures, test circuits and acceptance criteria are briefly indkated, making reference for detaile
11、d information to the IEC basic publications on the varkuo subjects; reference is also made to bask publications on protection techniques and installation practices. 2 Nonnative references The following normative documents contain provisions which, through reference in this text, constitute provision
12、s of this section of IEC 870-2. At the time of publkation, the editions indicated were valid. All normative documents are subject to revision, and parties to agreements based on this section of IEC 870-2 are encouraged to investigate the possibility of applying the most recent editions of the normat
13、ive documents indicated below. Members of IEC and IS0 maintain registers of currently valid International Standards. IEC 38: 1983, IEC standard voltages IEC 50(161): 1990, International Electrotechnical Vocabulary (IEV) - Chapter 161: Electro- magnetic compatibility IEC 60: High-voltage test techniq
14、ues IEC 664-1 : 1992, Insulation coordination for equipment within low-voltage Systems - Patt 1: Princles, requirements and tests Page 6 EN 60870-2-1 : 1996 IEC 1000-3-2: 1995, Electmmagnetk compatibility (MC) - Part 3: Limits - Section 2: Limits for harmonic current emissions (equrgment input curre
15、nt S 16 A per phase) IEC 1000-3-3: 1994, El8ctrOmagn8tk oompatibility (EMC) - Part 3: Limits - Section 3: Limitation of voltage fluctuations and flicker in low-voltage supply systems for equment with fated CUl8nt S 16 A IEC 1000-4-2: 1995, Electromagnetic compatibilw (EMC) - Part 4: Testing and meas
16、urement technkues - Section 2: E/ectrostatk dischaw immnity test - ask MC pub- lkatbn NEC 1000-4-3: 1995, E/e EMC (abbreviation): The ability of an equipment or system to function satisfactorily in its electromagnetic environment without introducing intolerable electromagnetic disturbances to anythi
17、ng in that environment. IEV 161 -01-07 3.4 (electromagnetlc) emlsslon: The phenomenon by which electromagnetic energy emanates from a source. (IEV 161-01-08 3.5 (electromagnetic) Compatlblllty level: The specified maximum eJectmmanetic disturbance level expected to be impressed on a device, equipmen
18、t or system operated in particular conditions. IEV 161-03-10) 3.6 nmunlty (to a disturbance): The ability of a devke, equipment or system to peifomi without degladation in the presence of an electromagnetic dStu - connection to a power supply device, intetposed between the power source and the syste
19、m or part of the system; Tolerance of nominal voltage % - auxiliary stand-by or back-up supply, which provides for operation of the system or parts of the system in case of maintenance or failure of the main power supply. 4.2 ACsupply For this section only alternating current (a.c.) supplies having
20、the same general character- istics 88 those exhibited by the public network supply at 50 Hz and 80 Ht are considered. AC supplies at higher frequencies, for example 400 Hz, are not included. The most commonly used nominal 50 Ht and 60 Hz a.c. voltages are given in table 1 : 4.2.1 AC voltage toleranc
21、es The following classes of tolerances are applicable to the equipment anb systems objec, of this section. Table 2 - AC voltage tolerance classes AC 1 AC2 AC3 ACx +10 to -10 +10 to -1s +I5 to -20 Special Page 8 EN 60870-2-1 : 1996 Class Fi F2 F3 Fx 4.2.2 FrV8nCy tOle/anC8S The following classes of t
22、olerances are applicable to the equipment and systems object of this section. Tolerance of nominal frequency .A *0,2 fl I5 SPodd Table 3 - Frequency tolerances Class H1 H2 Hx Harmonic level Less than 5 % Less than 10 K Sd 4.2.3 Harmonic Content Harmonic content is defined as the percentage of the sq
23、uare root of the sum of the squares of the harmonic voitages to the power frequency voltage. The following classes of harmonic level are applicable to the equipment and systems considered in this section. Table 4 - Harmonlc level classes 4.3 OC supply The most commonly used nominal d.c. voltages for
24、 equipment and systems considered in this section are given in table 5. Table 5 - DC nominal voltages (V) 1 25 110 Preferred values. I STD.BS1 BS EN b0870-2-L-ENGL L77b w lbZLibb7 0575050 T45 Ckss DC1 DC2 DC3 DCx Page 9 EN 60870-2-1 : 1996 Tderance of nominal voltage K t10 flS -20 to +15 Spacial 4.3
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