I.S. EN 60931-1:1997

FOREWORD
SECTION 1: GENERAL
Clause
1 Scope
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
SECTION 6: GUIDE FOR INSTALLATION AND OPERATION
28 General
29 Choice of the rated voltage
30 Operating temperature
31 Special service conditions
32 Over-voltages
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)
Annexes
A Additional definitions, requirements and tests for
   power filter capacitors
B Formulae for capacitors and installations

Applies to non-self-healing capacitor units and capacitor banks intended to be used for power-factor correction of a.c. power systems having a rated voltage up to and including 1000 V and frequencies 15 Hz to 60 Hz.