BS 7264-1:1990

National forweord
Committees responsible
Specification
Section one. General
1. Scope
2. Object
3. Definitions
4. Service conditions
Section two. Quality requirements and tests
5. Test requirements
6. Classification of tests
7. Capacitance measurement (routine test)
8. Capacitor loss tangent (tan delta) measurement
     (routine test)
9. Voltage test between terminals (routine test)
10. A.C. voltage test between terminals and container
     (routine test)
11. Test of internal discharge device (routine test)
12. Sealing test (routine test)
13. Thermal stability test (type test)
14. Capacitor loss tangent (tan delta) measurement at
     elevated temperature (type test)
15. A.C. voltage test between terminals and container
     (type test)
16. Lightning impulse test between terminals and
     container (type test)
17. Short-circuit discharge test (type test)
Section three. Insulation levels
18. Insulation levels
Section four. Overloads
19. Maximum permissible voltage
20. Maximum permissible current
Section five. Safety requirements
21. Discharge devices
22. Container connections
23. Protection of the environment
24. Other safety requirements
Section six. Markings
25. Markings of the unit
26. Markings of the bank
Section seven. Guide for installation and operation
27. General
28. Choice of the rated voltage
29. Operating temperature
30. Special conditions
31. Overvoltages
32. Overload currents
33. Switching and protective devices
34. Choice of insulation levels
35. Choice of creepage distances
36. Capacitors connected to systems with audio-frequency
     remote control
Appendices
A. Formulae for capacitors and installations
B. Precautions to be taken to avoid pollution of the
     environment by polychlorinated biphenyls
C. Additional requirements for power filter capacitors
D. Test requirements and application guide for
     external fuses and units to be externally fused
Tables
I. Untitled
II. Untitled
IIIA. Standard insulation levels for Um < 52kV
      (Serie I)
IIIB. Standard insulation levels for Um < 52kV
      (Serie II)
IV. Standard insulation levels for 52kV V. Standard insulation levels for Um >/= 300kV
VI. Untitled

Applies to capacitor units and banks intended to be used in particular for power factor correction of a.c. power systems having a frequency of 15 Hz to 60 Hz. Provides information on performance testing and rating, safety requirements and guidance on installation and operation.