NBN EN 60931-1 : 1997 AMD 1 2003

Foreword
Section 1. General
1 Scope and object
2 Normative references
3 Definitions
4 Service conditions
Section 2. Quality requirements and tests
5 Test requirements
6 Classification of tests
7 Capacitance measurement and output calculation
8 Measurement of the tangent of the loss angle (tan delta)
   of the capacitor
9 Voltage tests between terminals
10 Voltage tests between terminals and container
11 Test of internal discharge device
12 Sealing test
13 Thermal stability test
14 Measurement of the tangent of the loss angle (tan delta)
   of the capacitor at elevated temperature
15 Lightning impulse voltage test between terminals and
   container
16 Discharge test
17 Ageing test
18 Self-healing test
19 Destruction test
Section 3. Overloads
20 Maximum permissible voltage
21 Maximum permissible current
Section 4. Safety requirements
22 Discharge device
23 Container connections
24 Protection of the environment
25 Other safety requirements
Section 5. Markings
26 Marking of the unit
27 Marking of the bank
28 General
Section 6. Guide for installation and operation
29 Choice of the rated voltage
30 Operating temperature
31 Special service conditions
32 Overvoltages
33 Overload currents
34 Switching and protective devices and connections
35 Choice of creepage distance
36 Capacitors connected to systems with audio-frequency
   remote control
37 Electromagnetic compatibility (EMC)
Annex A (normative) Additional definitions, requirements and
         tests for power filter capacitors
Annex B (informative) Formulae for capacitors and installations
Annex ZA (normative) Normative references to international
         publications with their corresponding European
         publications
Figures
Tables

Applies to capacitor units and capacitor banks meant to be used, particularly, for power factor correction of a.c. power systems having a rated voltage up to and including 1 000 V and frequency 15 Hz to 60 Hz. Coverage includes: voltage tests between terminals and container; maximum permissible voltage; protection of the environment; capacitors connected to systems with audiofrequency remote control.