EN 50387:2002

Busbar bushings up to 1 kV and from 1,25 kA to 5 kA, for liquid filled transformers

This standard is applicable to moulded indoor busbar bushings for rated voltages up to 1 000 V, rated currents from 1 250 A up to 5 000 A and frequencies from 15 Hz up to 60 Hz for insulating liquid filled transformers. NOTE These bushings are suitable for operation at 1,1 kV in compliance with HD 428.1 S1.

Schienendurchführungen bis 1 kV und von 1,25 kA bis 5 kA für flüssigkeitsgefüllte Transformatoren

Traversées passe-barres jusqu'à 1 kV et de 1,25 kA à 5 kA, pour transformateurs à remplissage de liquide

Zbiralčni skoznjiki za napetosti do 1 kV in od 1,25 kA do 5 kA za transformatorje, polnjene s tekočinami

General Information

• Status: Published
• Publication Date: 06-Nov-2002
• Withdrawal Date: 06-May-2003
• ICS: 29.180 - Transformers. Reactors
• Technical Committee: CLC/TC 36A - Insulated bushings
• Drafting Committee: CLC/TC 36A - Insulated bushings
• Parallel Committee: IEC/SC 36A - IEC_SC_36A
• Current Stage: 9093 - Decision to confirm - Review Enquiry
• Completion Date: 16-Mar-2022
• Ref Project: SIST EN 50387:2004 - Busbar bushings up to 1 kV and from 1,25 kA to 5 kA, for liquid filled transformers

Relations

• Replaces: HD 607 S1:1996 - Busbar bushings up to 1 kV and from 1,25 kA to 5 kA, for liquid filled transformers
• Effective Date: 28-Jan-2023

Standards Content (Sample)

SLOVENSKI STANDARD
SIST EN 50387:2004
01-september-2004
1DGRPHãþD
SIST HD 607 S1:1997
=ELUDOþQLVNR]QMLNL]DQDSHWRVWLGRN9LQRGN$GRN$]DWUDQVIRUPDWRUMH
SROQMHQHVWHNRþLQDPL
Busbar bushings up to 1 kV and from 1,25 kA to 5 kA, for liquid filled transformers
Schienendurchführungen bis 1 kV und von 1,25 kA bis 5 kA für flüssigkeitsgefüllte
Transformatoren
Traversées passe-barres jusqu'à 1 kV et de 1,25 kA à 5 kA, pour transformateurs à
remplissage de liquide
Ta slovenski standard je istoveten z: EN 50387:2002
ICS:
29.080.20 Skoznjiki Bushings
29.180 Transformatorji. Dušilke Transformers. Reactors
SIST EN 50387:2004 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN 50387:2004

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SIST EN 50387:2004
EUROPEAN STANDARD EN 50387
NORME EUROPÉENNE
EUROPÄISCHE NORM November 2002

ICS 29.180 Supersedes HD 607 S1:1996


English version


Busbar bushings up to 1 kV and from 1,25 kA to 5 kA,
for liquid filled transformers


Traversées passe-barres  Schienendurchführungen
jusqu'à 1 kV et de 1,25 kA à 5 kA, bis 1 kV und von 1,25 kA bis 5 kA
pour transformateurs für flüssigkeitsgefüllte Transformatoren
à remplissage de liquide






This European Standard was approved by CENELEC on 2002-10-01. 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.

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, Czech Republic,
Denmark, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Luxembourg, Malta,
Netherlands, Norway, Portugal, Slovakia, Spain, Sweden, Switzerland and United Kingdom.

CENELEC
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung

Central Secretariat: rue de Stassart 35, B - 1050 Brussels


© 2002 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.

Ref. No. EN 50387:2002 E

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SIST EN 50387:2004
EN 50387:2002 - 2 -
Foreword
The text of the Harmonization Document HD 607 S1, prepared by the Technical Committee CENELEC
TC 36A, Insulated bushings, was approved by CENELEC on 1995-11-28.
This Harmonization Document was submitted to the formal vote for conversion into a European Standard
and was approved by CENELEC as EN 50387 on 2002-10-01.
The following date was fixed:
– latest date by which the EN has to be implemented
at national level by publication of an identical
national standard or by endorsement (dop) 2003-10-01
_________

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SIST EN 50387:2004
- 3 - EN 50387:2002
Contents
Page
Introduction .4
1 Scope.4
2 Definitions.4
3 Requirements.4
3.1 Application.4
3.2 Standard value of rated voltage (U ) .4
r
3.3 Standard values of rated current (I ) .4
r
3.4 Minimum nominal creepage distance .4
3.5 Dielectric characteristics.4
3.6 Dimensions.5
Figure 1 – Moulded indoor busbar bushing .5
Table 1 – Standard dimensions.
...