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

Published date

11-07-2002

Publisher

European Committee for Standards - Electrical

Introduction
1 Scope
2 Definitions
3 Requirements
  3.1 Application
  3.2 Standard value of rated voltage (U[r])
  3.3 Standard values of rated current (I[r])
  3.4 Minimum nominal creepage distance
  3.5 Dielectric characteristics
  3.6 Dimensions
Figure 1 - Moulded indoor busbar bushing
Table 1 - Standard dimensions

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.

Committee	CLC/TC 36A
DevelopmentNote	Supersedes HD 607. (01/2003)
DocumentType	Standard
PublisherName	European Committee for Standards - Electrical
Status	Current

Standards	Relationship
NF EN 50387 : 2003	Identical
NBN EN 50387 : 2003	Identical
NEN EN 50387 : 2003	Identical
I.S. EN 50387:2002	Identical
PN EN 50387 : 2009	Identical
UNE-EN 50387:2003	Identical
SN EN 50387 : 2002	Identical
BS EN 50387:2002	Identical
CEI EN 50387 : 2003	Identical
DIN EN 50387:2004-01	Identical

UNE-EN 50541-1:2012	Three phase dry-type distribution transformers 50 Hz, from 100 kVA to 3 150 kVA, with highest voltage for equipment not exceeding 36 kV - Part 1: General requirements
EN 50541-1:2011	Three phase dry-type distribution transformers 50 Hz, from 100 kVA to 3 150 kVA, with highest voltage for equipment not exceeding 36 kV - Part 1: General requirements
EN 50464-1 : 2007 AMD 1 2012	THREE-PHASE OIL-IMMERSED DISTRIBUTION TRANSFORMERS 50 HZ, FROM 50 KVA TO 2500 KVA WITH HIGHEST VOLTAGE FOR EQUIPMENT NOT EXCEEDING 36 KV - PART 1: GENERAL REQUIREMENTS
BS EN 50588-1:2017	Medium power transformers 50 Hz, with highest voltage for equipment not exceeding 36 kV General requirements
BS EN 50541-1:2011	Three phase dry-type distribution transformers 50 Hz, from 100 kVA to 3150 kVA, with highest voltage for equipment not exceeding 36 kV General requirements
BS EN 50464-2-2:2007	Three-phase oil-immersed distribution transformers 50 Hz, from 50 kVA to 2500 kVA with highest voltage for equipment not exceeding 36 kV Distribution transformers with cable boxes on the high-voltage and/or low-voltage side. Cable boxes type 1 for use on distribution transformers meeting the requirements of EN 50464-2-1
UNE-EN 50464-1:2010	Three-phase oil-immersed distribution transformers 50 Hz, from 50 kVA to 2 500 kVA with highest voltage for equipment not exceeding 36 kV - Part 1: General requirements
EN 50588-3:2018	Medium power transformers 50 Hz, with highest voltage for equipment not exceeding 36 kV - Part 3: Transformers with cable boxes on the high-voltage and/or low-voltage side - Cable boxes type 1 for use on transformers meeting the requirements of EN 50588-2
CEI EN 50541-1 : 2011	THREE PHASE DRY-TYPE DISTRIBUTION TRANSFORMERS 50 HZ, FROM 100 KVA TO 3150 KVA, WITH HIGHEST VOLTAGE FOR EQUIPMENT NOT EXCEEDING 36 KV - PART 1: GENERAL REQUIREMENTS
I.S. EN 50588-1:2017	MEDIUM POWER TRANSFORMERS 50 HZ, WITH HIGHEST VOLTAGE FOR EQUIPMENT NOT EXCEEDING 36 KV - PART 1: GENERAL REQUIREMENTS
I.S. EN 50464-1:2007	THREE-PHASE OIL-IMMERSED DISTRIBUTION TRANSFORMERS 50 HZ, FROM 50 KVA TO 2500 KVA WITH HIGHEST VOLTAGE FOR EQUIPMENT NOT EXCEEDING 36 KV - PART 1: GENERAL REQUIREMENTS
I.S. EN 50541-1:2011	THREE PHASE DRY-TYPE DISTRIBUTION TRANSFORMERS 50 HZ, FROM 100 KVA TO 3150 KVA, WITH HIGHEST VOLTAGE FOR EQUIPMENT NOT EXCEEDING 36 KV - PART 1: GENERAL REQUIREMENTS
PREN 50541-1 : DRAFT 2009	THREE PHASE DRY-TYPE DISTRIBUTION TRANSFORMERS 50 HZ, FROM 100 TO 3150 KVA, WITH HIGHEST VOLTAGE FOR EQUIPMENT NOT EXCEEDING 36 KV - PART 1: GENERAL REQUIREMENTS AND REQUIREMENTS FOR DRY TYPE TRANSFORMERS WITH HIGHEST VOLTAGE FOR EQUIPMENT NOT EXCEEDING 36 KV
I.S. EN 50464-2-2:2007	THREE-PHASE OIL-IMMERSED DISTRIBUTION TRANSFORMERS 50 HZ, FROM 50 KVA TO 2 500 KVA WITH HIGHEST VOLTAGE FOR EQUIPMENT NOT EXCEEDING 36 KV - PART 2-2: DISTRIBUTION TRANSFORMERS WITH CABLE BOXES ON THE HIGH-VOLTAGE AND/OR LOW-VOLTAGE SIDE - CABLE BOXES TYPE 1 FOR USE ON DISTRIBUTION TRANSFORMERS MEETING THE REQUIREMENTS OF EN 50464-2-1
CEI EN 50464-2-2 : 2007	THREE-PHASE OIL-IMMERSED DISTRIBUTION TRANSFORMERS 50 HZ, FROM 50 KVA TO 2500 KVA WITH HIGHEST VOLTAGE FOR EQUIPMENT NOT EXCEEDING 36 KV - PART 2-2: DISTRIBUTION TRANSFORMERS WITH CABLE BOXES ON THE HIGH-VOLTAGE AND/OR LOW-VOLTAGE SIDE - CABLE BOXES TYPE 1 FOR USE ON DISTRIBUTION TRANSFORMERS MEETING THE REQUIREMENTS OF EN 50464-2-1
09/30211604 DC : 0	BS EN 50541-1 - THREE PHASE DRY-TYPE DISTRIBUTION TRANSFORMERS 50 HZ, FROM 100 TO 3150 KVA, WITH HIGHEST VOLTAGE FOR EQUIPMENT NOT EXCEEDING 36 KV - PART 1: GENERAL REQUIREMENTS AND REQUIREMENTS FOR DRY TYPE TRANSFORMERS WITH HIGHEST VOLTAGE FOR EQUIPMENT NOT EXCEEDING 36 KV
UNE-EN 50464-2-2:2010	Three-phase oil-immersed distribution transformers 50 Hz, from 50 kVA to 2 500 kVA with highest voltage for equipment not exceeding 36 kV - Part 2-2: Distribution transformers with cable boxes on the high-voltage and/or low-voltage side - Cable boxes type 1 for use on distribution transformers meeting the requirements of EN 50464-2-1
EN 50588-1:2017	Medium power transformers 50 Hz, with highest voltage for equipment not exceeding 36 kV - Part 1: General requirements
I.S. EN 50588-3:2018	MEDIUM POWER TRANSFORMERS 50 HZ, WITH HIGHEST VOLTAGE FOR EQUIPMENT NOT EXCEEDING 36 KV - PART 3: TRANSFORMERS WITH CABLE BOXES ON THE HIGH-VOLTAGE AND/OR LOW-VOLTAGE SIDE - CABLE BOXES TYPE 1 FOR USE ON TRANSFORMERS MEETING THE REQUIREMENTS OF EN 50588-2
BS EN 50464-1 : 2007	THREE-PHASE OIL-IMMERSED DISTRIBUTION TRANSFORMERS 50 HZ, FROM 50 KVA TO 2500 KVA WITH HIGHEST VOLTAGE FOR EQUIPMENT NOT EXCEEDING 36 KV - PART 1: GENERAL REQUIREMENTS
EN 50464-2-2:2007	Three-phase oil-immersed distribution transformers 50 Hz, from 50 kVA to 2 500 kVA with highest voltage for equipment not exceeding 36 kV - Part 2-2: Distribution transformers with cable boxes on the high-voltage and/or low-voltage side - Cable boxes type 1 for use on distribution transformers meeting the requirements of EN 50464-2-1