BS-EN-50160-2007.pdf
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1、BRITISH STANDARD BS EN 50160:2007 Voltage characteristics of electricity supplied by public distribution networks The European Standard EN 50160:2007 has the status of a British Standard ICS 29.020; 29.240.01 ? BS EN 50160:2007 This British Standard was published under the authority of the Standards
2、 Policy and Strategy Committee on 31 October 2007 BSI 2007 ISBN 978 0 580 55841 2 National foreword This British Standard is the UK implementation of EN 50160:2007. It supersedes BS EN 50160:2000 which is withdrawn. The UK participation in its preparation was entrusted to Technical Committee GEL/8,
3、Systems aspects for electrical energy supply. A list of organizations represented on this committee can be obtained on request to its secretary. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with
4、 a British Standard cannot confer immunity from legal obligations. Amendments issued since publication Amd. No. DateComments EUROPEAN STANDARD EN 50160 NORME EUROPENNE EUROPISCHE NORM September 2007 CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electr
5、otechnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat: rue de Stassart 35, B - 1050 Brussels 2007 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 50160:2007 E ICS 29.020 Supersedes EN 50160:1999 English v
6、ersion Voltage characteristics of electricity supplied by public distribution networks Caractristiques de la tension fournie par les rseaux publics de distribution Merkmale der Spannung in ffentlichen Elektrizittsversorgungsnetzen This European Standard was approved by CENELEC on 2007-06-01. CENELEC
7、 members are bound 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 appl
8、ication to the Central Secretariat or to any CENELEC 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 CENELEC member into its own language and notified to the Central Secretar
9、iat has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Cyprus, the Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Ne
10、therlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. EN 50160:2007 2 Foreword This European Standard was prepared by the Working Group 1, Physical characteristics of electrical energy, of the Technical Committee CENELEC TC 8X, System as
11、pects for electrical energy supply. The text of the draft was submitted to the formal vote and was approved by CENELEC as EN 50160 on 2007-06-01. This European Standard supersedes EN 50160:1999 + corrigendum September 2004. The following dates were fixed: latest date by which the EN has to be implem
12、ented at national level by publication of an identical national standard or by endorsement (dop) 2008-06-01 latest date by which the national standards conflicting with the EN have to be withdrawn (dow) 2010-06-01 _ 3 EN 50160:2007 Contents 1 Scope and object 4 1.1 Scope 4 1.2 Object 4 2 Normative r
13、eferences. 5 3 Definitions. 5 4 Low-voltage supply characteristics 9 4.1 Power frequency. 9 4.2 Magnitude of the supply voltage. 9 4.3 Supply voltage variations 9 4.3.1 Requirements 9 4.3.2 Test method. 10 4.4 Rapid voltage changes . 10 4.4.1 Single rapid voltage change 10 4.4.2 Flicker severity. 10
14、 4.5 Supply voltage dips. 10 4.6 Short interruptions of the supply voltage 10 4.7 Long interruptions of the supply voltage. 11 4.8 Temporary power frequency overvoltages between live conductors and earth . 11 4.9 Transient overvoltages between live conductors and earth . 11 4.10 Supply voltage unbal
15、ance. 11 4.11 Harmonic voltage 12 4.12 Interharmonic voltage . 12 4.13 Mains signalling voltage on the supply voltage 12 5 Medium-voltage supply characteristics 13 5.1 Power frequency. 13 5.2 Magnitude of the supply voltage. 13 5.3 Supply voltage variations 14 5.4 Rapid voltage changes . 14 5.4.1 Ma
16、gnitude of rapid voltage changes 14 5.4.2 Flicker severity. 14 5.5 Supply voltage dips. 14 5.6 Short interruptions of the supply voltage 14 5.7 Long interruptions of the supply voltage. 14 5.8 Temporary power frequency overvoltages between live conductors and earth . 15 5.9 Transient overvoltage bet
17、ween live conductors and earth . 15 5.10 Supply voltage unbalance. 15 5.11 Harmonic voltage 15 5.12 Interharmonic voltage . 16 5.13 Mains signalling voltage on the supply voltage 16 Annex A (informative) Special nature of electricity . 18 Bibliography. 20 Figure 1 - Voltage levels of signal frequenc
18、ies in percent of Un used in public LV distribution networks 13 Figure 2 - Voltage levels of signal frequencies in percent of Uc used in public MV distribution networks . 17 Table 1 - Values of individual harmonic voltages at the supply terminals for orders up to 25 given in percent of the fundament
19、al voltage U1 12 Table 2 - Values of individual harmonic voltages at the supply terminals for orders up to 25 given in percent of the fundamental voltage U1 16 EN 50160:2007 4 1 Scope and object 1.1 Scope This European Standard defines, describes and specifies the main characteristics of the voltage
20、 at a network users supply terminals in public low voltage and medium voltage electricity distribution networks under normal operating conditions. This standard describes the limits or values within which the voltage characteristics can be expected to remain over the whole of the public distribution
21、 network and does not describe the average situation usually experienced by an individual network user. NOTE 1 For the definitions of low and medium voltage see 3.7 and 3.8. The European Standard does not apply under abnormal operating conditions including the following: a temporary supply arrangeme
22、nt to keep the network users supplied during condition arising as a result of a fault, maintenance and construction work or to minimize the extent and duration of a loss of supply; in case of non-compliance of a network users installation or equipment with the relevant standards or with the technica
23、l requirements for connection, established either by the public authorities or the distribution network operator (DNO) including the limits for the emission of conducted disturbances; NOTE 2 A network users installation may include load as well as generation. in exceptional situations, in particular
24、, exceptional weather conditions and other natural disasters, third party interference, acts by public authorities, industrial actions (subject to legal requirements), force majeure, power shortages resulting from external events. The voltage characteristics given in this standard are not intended t
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