SN EN 60110-1 : 1998

1 General
1.1 Scope and object
1.2 Normative references
1.3 Definitions
1.4 Service conditions
2 Quality requirements and tests
2.1 Test requirements
2.2 Classification of tests
2.3 Capacitance measurement
2.4 Measurement of the tangent of the loss angle (tan) of
        of a capacitor
2.5 Voltage test between terminals (routine test)
2.6 Voltage test between terminals and container
2.7 Test on internal discharge device
2.8 Sealing test
2.9 Thermal stability test
2.10 Capacitor losses test
2.11 Capacitance as a function of temperature
2.12 Sealing test of cooling ducts, if any
2.13 Self-healing test (for self-healing metallized dielectric
        capacitors)
2.14 Short-circuit discharge test
2.15 Ageing test (see IEC 60110-2)
2.16 Destruction test (see IEC 60110-2)
2.17 Disconnecting test on internal fuses, if any (see IEC 60110-2)
3 Overloads
3.1 Maximum permissible voltage
3.2 Switching voltages
3.3 Maximum permissible current
4 Safety requirements
4.1 Creepage distances
4.2 Discharge device
4.3 Container connections
4.4 Protection of the environment
4.5 Additional safety requirements
5 Markings
5.1 Marking of the capacitor unit
5.2 Marking of the bank
6 Guide for installation and operation
6.1 General
6.2 Measures to obtain adequate cooling
6.3 Choice of rated voltage, current and output
6.4 Capacitors for frequent switching on load
6.5 Choice of switchgear and switching methods for switching
        on load
6.6 Switching of capacitors with fuses
6.7 Operation with varying frequency
6.8 Choice of the highest voltage for equipment of a capacitor
        bank
6.9 Shunt capacitors connected in series
6.10 Series capacitors
6.11 Connecting leads
6.12 Live parts along water supply
6.13 Post insulators
6.14 Danger of freezing for water cooled capacitors
Annex A (normative) methods of measuring the losses on air-cooled
        self-and forced-ventilated capacitors
Annex B (informative) formulae for capacitors and installations
Annex C (informative) bibliography
Annex ZA Normative references to international publications with
         their corresponding European publications

Applies both to indoor capacitor units and banks for use especially for power factor correction in induction heating, melting, stirring or casting installations, and similar applications having controlled or adjustable a.c. voltage systems in a frequency range not in excess of 50 kHz and rated voltage up to and including 3,6 kV.