BS EN 50482:2008
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Instrument transformers. Three-phase inductive voltage transformers having Um up to 52kV
Hardcopy , PDF
13-08-2019
English
30-05-2008
Important note : Users cannot be edited or removed once added to your Multi user PDF.
1 General
1.1 Scope
1.2 Normative references
2 Definitions
3 General requirements
4 Normal and special service conditions
5 Ratings
5.1 Standard values of rated voltages
5.2 Standard values of rated output
5.3 Standard values of rated voltage factor
5.4 Limits of temperature rise
6 Design requirements
6.1 Insulation requirements
6.2 Short-circuit withstand capability
7 Classification of tests
8 Type tests
8.1 Temperature-rise tests
8.2 Short-circuit withstand capability test
8.3 Impulse test on primary winding
8.4 Wet test for outdoor type transformers
9 Routine tests
9.1 Verification of terminal markings
9.2 Power frequency tests on primary winding and partial
discharge measurement
9.3 Power-frequency tests between section and on secondary
windings
10 Special test
11 Markings
11.1 Rating plate and markings
11.2 Terminal markings
12 Accuracy requirements for three-phase inductive measuring
voltage transformers
12.1 Accuracy class designation for measuring voltage
transformers
12.2 Limits of voltage error and phase displacement for
measuring voltage transformers
12.3 Type test for accuracy of measuring voltage transformers
12.4 Routine test for accuracy of measuring voltage transformers
12.5 Markings of the rating plate of three-phase measuring
voltage transformer
13 Additional requirements for three-phase inductive protective
voltage transformers
13.1 Accuracy class designation for protective voltage
transformers
13.2 Limits of voltage error and phase displacement for
protective voltage transformers
13.3 Rated voltages for secondary windings intended to produce a
residual voltage
13.4 Output for secondary windings intended to produce a residual
voltage
13.5 Accuracy class for secondary windings intended to produce a
residual voltage
13.6 Type test for protective voltage transformers
13.7 Routine test for protective transformers
13.8 Markings of the rating plate of a three-phase protective
voltage transformer
Bibliography
Defines the requirements and tests for new three-phase voltage transformers with U[m] up to 52 kV and frequencies from 15 Hz to 100 Hz, for use with electrical instruments or electrical protective devices.
| Committee |
PEL/38
|
| DevelopmentNote |
Supersedes BS 7729(1994). (06/2008)
|
| DocumentType |
Standard
|
| Pages |
24
|
| PublisherName |
British Standards Institution
|
| Status |
Withdrawn
|
| Supersedes |
| Standards | Relationship |
| EN 50482:2008 | Identical |
| EN 60044-2:1999/A2:2003 | INSTRUMENT TRANSFORMERS - PART 2: INDUCTIVE VOLTAGE TRANSFORMERS |
| IEC 60038:2009 | IEC standard voltages |
| IEC 60270:2000+AMD1:2015 CSV | High-voltage test techniques - Partial discharge measurements |
| IEC 60044-2:1997+AMD1:2000+AMD2:2002 CSV | Instrument transformers - Part 2 : Inductive voltage transformers |
| HD 588.1 : S1 AMD 1 | HIGH VOLTAGE TEST TECHNIQUES - GENERAL DEFINITIONS AND TEST REQUIREMENTS |
| EN 60270:2001/A1:2016 | HIGH-VOLTAGE TEST TECHNIQUES - PARTIAL DISCHARGE MEASUREMENTS (IEC 60270:2000/A1:2015) |
| EN 60071-1:2006/A1:2010 | INSULATION CO-ORDINATION - PART 1: DEFINITIONS, PRINCIPLES AND RULES |
| IEC 60060-1:2010 | High-voltage test techniques - Part 1: General definitions and test requirements |
| IEC 60071-1:2006+AMD1:2010 CSV | Insulation co-ordination - Part 1: Definitions, principles and rules |
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.