BS 5622-2:1979
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Guide for insulation co-ordination Application guide
Hardcopy , PDF
15-04-1997
English
31-01-1979
Important note : Users cannot be edited or removed once added to your Multi user PDF.
National foreword
Cooperating organizations
Section one - Scope and reference to existing IEC
publications
1. Scope
2. Reference to existing IEC publications
Section two - Voltage stresses in service
3. General
4. Power-frequency voltages
5. Temporary overvoltages
6. Switching and lightning overvoltages
7. Determination of expected overvoltage levels
Section three - Insulation withstand
8. General
9. Insulation behaviour at power-frequency voltages
and temporary overvoltages
10. Probability of disruptive discharge of insulation
under impulse voltages
11. Apparatus with windings
Section four - Protective devices
12. General
13. Non-linear resistor-type surge arresters
14. Expulsion-type surge arresters
15. Spark gaps
16. Application of different protective devices
Section five - Coordination between stresses and
withstand considerations common to ranges A, B and C
17. Insulation design to power-frequency operating
voltage and temporary overvoltages. Problems of
pollution and ageing
18. Pollution
19. Ageing
Section six - Coordination between stresses and
withstand in voltage range A
20. Selection of the rated power-frequency withstand
voltage
21. Selection of the rated lightning-impulse withstand
voltage
Section seven - Coordination between stresses and
withstand in voltage range B
22. Selection of the rated power-frequency withstand
voltage and the rated lightning-impulse withstand
voltage
Section eight - Coordination between stresses and
withstand in voltage range C
23. Insulation design with respect to power-frequency
voltage and temporary overvoltages
24. Insulation design with respect to switching and
lightning overvoltages
25. Block-diagram of the insulation design and
coordination of an electrical installation
Appendix A - Surge transference through transformers
Appendix B - Validity of the tests in Clauses 52, 53
and 54 of IEC Publications 71-1
Appendix C - Statistical evaluation of the protective
effect of spark gaps
Appendix D - Examples of application
Appendix E - Clearances in air between live conductive
parts and earthed structures to secure a
specified impulse withstand voltage for
dry conditions
Tables
Figures
Guidance for national and economical solutions rather than strict rules for insulation coordination. Deals with the selection of the electric strength of equipment, of surge arresters or protective spark gaps, and considers the extent to which control of switching overvoltages may be useful.
| Committee |
PEL/99
|
| DevelopmentNote |
AMD 7533 implements HD 540.2 S1
|
| DocumentType |
Standard
|
| Pages |
86
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy |
| Standards | Relationship |
| IEC 60071-2:1976 | Identical |
| UNE-EN ISO 7823-2:2003 | Identical |
| UNE-EN 62373:2006 | Identical |
| BS 7729:1994 | Specification for instrument transformers. Three-phase voltage transformers for voltage levels having <i>U</i><sub>m</sub> up to 52 kV |
| BS 7354:1990 | Code of practice for design of high-voltage open-terminal stations |
| BS 5622-1:1979 | Guide for insulation co-ordination Terms, definitions, principles and rules |
| BS 6581:1985 | Specification for common requirements for high-voltage switchgear and controlgear standards |
| BS EN 60383-2:1995 | Insulators for overhead lines with a nominal voltage above 1000 V Insulator strings and insulator sets for a.c. systems. Definitions, test methods and acceptance criteria |
| BS 7264-1:1990 | Shunt capacitors for a.c. power systems having a rated voltage above 1000 V Specification for performance, testing and use |
| EN 60383-2:1995 | Insulators for overhead lines with a nominal voltage above 1 kV - Part 2: Insulator strings and insulator sets for a.c. systems - Definitions, test methods and acceptance criteria |
| BS EN 61330:1996 | High-voltage/low-voltage prefabricated substations |
| BS 159:1992 | Specification for high-voltage busbars and busbar connections |
| BS 7578:1992 | Coupling capacitors and capacitor dividers |
| BS 5311:1988 | Specification for high-voltage alternating-current circuit-breakers |
| IEC 60060-2:2010 | High-voltage test techniques - Part 2: Measuring systems |
| IEC 60099-2:1962 | Lightning arresters - Part 2: Expulsion-type lightning arresters |
| BS 5622-1:1979 | Guide for insulation co-ordination Terms, definitions, principles and rules |
| IEC 60282-1:2009+AMD1:2014 CSV | High-voltage fuses - Part 1: Current-limiting fuses |
| BS 2692-1(1986) : 1986 AMD 8047 | FUSES FOR VOLTAGES EXCEEDING 1000 V a.c. - SPECIFICATION FOR CURRENT LIMITING FUSES |
| IEC 60099-1:1991+AMD1:1999 CSV | Surge arresters - Part 1: Non-linear resistor type gapped surge arresters for a.c. systems |
| IEC 60060-3:1976 | High-voltage test techniques - Part 3: Measuring devices |
| IEC 60060-4:1977 | High-voltage test techniques - Part 4: Application guide for measuring devices |
| IEC 60060-1:2010 | High-voltage test techniques - Part 1: General definitions and test requirements |
| IEC 60099-1A:1965 | First supplementReplaced by IEC 99-5 |
| IEC 60071-1:2006+AMD1:2010 CSV | Insulation co-ordination - Part 1: Definitions, principles and rules |
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