EUROPEAN STANDARD EN 50181
NORME EUROPÉENNE
EUROPÄISCHE NORM
July 2010
CENELEC
European Committee for Electrotechnical Standardization Comité Européen de Normalisation Electrotechnique Europäisches Komitee für Elektrotechnische Normung
Management Centre: Avenue Marnix 17, B - 1000 Brusls
© 2010 CENELEC - All rights of exploitation in any form and by any means rerved worldwide for CENELEC members. Ref. No. EN 50181:2010 E
ICS 29.080.20 Superdes EN 50181:1997
English version
Plug-in type bushings above 1 kV up to 52 kV and from 250 A to 2,50 kA
for equipment other than liquid filled transformers
Traversées embrochables de tensions supérieures à 1 kV jusqu'à 52 kV
et de 250 A à 2,50 kA pour équipements autres que transformateurs à remplissage de liquide Steckbare Durchführungen über 1 kV bis 52 kV und von 250 A bis 2,50 kA
für Anlagen anders als flüssigkeitsgefüllte Transformatoren
This European Standard was approved by CENELEC on 2010-07-01. CENELEC 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 application to the Central Secretariat or to any CENELEC member.电信apn设置
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 Secretariat has the same status as the official versions.
CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom.
EN 50181:2010 – 2 –
Foreword
This European Standard was prepared by the Technical Committee CENELEC TC 36A, Insulated bushings. It was submitted to the Unique Acceptance Procedure and was approved by CENELEC as EN 50181 on 2010-07-01.
This document superdes EN 50181:1997.
The main technical changes on the Plug-in type bushings are:
–Enlarge the scope of the voltage class from the plug-in bushings from 36 kV to 52 kV;
email的格式–Upgrading the current capacity of the existing defined bushings;
–Introduce a new bushing interface for 52 kV.
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and CENELEC shall not be held responsible for identifying any or all such patent rights.
The following dates were fixed:
–latest date by which the EN has to be implemented
at national level by publication of an identical
national standard or by endorment (dop) 2011-07-01
–latest date by which the national standards conflicting
with the EN have to be withdrawn (dow) 2013-07-01
__________
– 3 – EN 50181:2010
Contents
Introduction (4)
1 Scope (4)
2 Normative references (4)
3 Definitions (4)
4 Requirements (5)
4.1 Application (5)
4.2 Standard values of maximum voltage (U m) (5)
4.3 Standard values of rated current (I r ) (5)
4.4 Compliance (5)
4.5 Bushing mounting distance (5)
4.6 Detail dimensions of plug-in type bushings (5)
Figures
Figure 1 - Interface dimensions of outside cone plug-in type bushings (6)圆柱与圆锥
Figure 2 - Bushing details of outside cone plug-in type bushings (7)
Figure 3 - Outer dimensions of inside cone plug-in type bushings (9)
Figure 4 - Interface details of inside cone plug-in type bushings (10)
Tables
Table 1 - Interface dimensions (6)
Table 2 - Bushing dimensions (8)
Table 3 - Bushing dimensions (9)
Table 4 - Interface dimensions (11)
分手信
EN 50181:2010 – 4 –猕猴桃怎么吃
Introduction
The object of this European Standard is to specify the requirements to ensure interchangeability of bushings for maximum voltages above 1 kV up to 52 kV and rated currents from 250 A to 2 500 A for equipment other than insulating liquid filled transformers.
1 Scope
This European Standard is applicable to insulated bushings for maximum voltages above 1 kV up to 52 kV, rated currents from 250 A up to 2 500 A and frequencies from 15 Hz up to 60 Hz for equipment other than liquid filled transformers.
This European Standard establishes esntial dimensions, to ensure adequate mounting and interchangeability of mating plug-in parable connectors of equivalent ratings.
2 Normative references
东西南北的英文The following referenced documents are indispensable for the application of this document. For date
d references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
EN 60137, Insulated bushings for alternating voltages above 1 000 V
IEC Guide 109 and Cenelec TC 111X document 1), Environmental aspects − Inclusion in electrotechnical product standards
NOTE It is highly recommended to minimize the impact of bushings on the environment during all phas of their life (including manufacturing, operation during rvice life, dismantling after their end of life and disposal or recycling).
IEC Guide109 and document by CENELEC TC 111X, Environmental standardization for electrical and electronic products and systems after finalization can be ud as helpful reference.
3 Terms and definitions
For the purpos of this document, the following terms and definitions apply.
3.1
打印机安装教程plug in type bushing
bushing one end of which is immerd in an insulating medium which has customized dimensions according to insulation requirements for the specific application and the other end designed to receive a parable insulated cable connector without which the bushing cannot function
3.2
parable connector
fully insulated termination permitting the connection and disconnection of the cable to and from the mating plug-in type bushing
3.3
interface type
bushing dimensions that insure mechanical and electrical interchangeability of bushing and parable connector of similar rating and type
NOTE Each interface type is designed by a letter or a number.
3.4
bail holder
fixture which facilitates anchoring of an externally mounted device (called the bail) designed to prevent undesirable paration of a parable connector and a bushing
1)
Under development.
– 5 – EN 50181:2010 NOTE A bail holder may or may not be an integral part of a bushing and is an optional feature.
4 Requirements
4.1 Application
Bushings covered by this European Standard shall be suitable for operation with one end connected to a parable connector and the other end having customized dimensions according to the insulation requirements for the specific application.
4.2 Standard values of maximum voltage (U m)
The value of U m of a bushing shall be chon from the standard values of the highest voltage for equipment, defined in IEC 60038 as given below in kilovolt:
12 – 24 – 36 – 52
4.3 Standard values of rated current (I r)
The value Ir of a bushing shall be chon from the standard values given below in ampere:
250 - 400 - 630 - 800 - 1 250 - 1 600 - 2 000 - 2 500
4.4 Compliance
Bushings which are supplied parately shall meet the requirements of EN 60137.
男士洗面乳Customized bushings which are integrated directly in the equipment shall comply with the test requirements specified in the standard(s) relevant to that type of equipment.
4.5 Bushing mounting distance
The minimum distance between bushings shall take into account the outer dimensions of parable connectors and the optional bail holders.
4.6 Detail dimensions of plug-in type bushings
4.6.1 General
The dimensions necessary to ensure adequate mounting and interchangeability of mating plug-in parable connectors shall be as specified in the following Figures and Tables.
4.6.2 Outside cone type
The dimensions necessary for outside cone plug-in type bushings are specified in Figures 1 and 2 and in Tables 1 and 2.
