EN 60143 : 93 AC 94

Cooperating organizations
National foreword
Foreword
Section 1: General
1.1 Scope and object
1.2 Normative references
1.3 Definitions
1.4 Service conditions
Section 2: Quality requirements and tests
2.1 Test requirements
2.2 Classification of tests
2.3 Capacitance measurement (routine test)
2.4 Capacitor loss measurement (routine test)
2.5 Voltage test between terminals (routine test)
2.6 A.C. voltage test between terminals and container
      (routine test)
2.7 Test on internal discharge device (routine test)
2.8 Sealing test (routine test)
2.9 Thermal stability test (type test)
2.10 A.C. voltage test between terminals and container
      (type test)
2.11 Lightning impulse voltage test between terminals
      and container (type test)
2.12 Cold duty test (type test)
2.13 Discharge current test (type test)
Section 3: Insulation level
3.1 Test voltages
3.2 Creepage distance
Section 4: Overloads and overvoltages
4.1 Working currents
4.2 Transient overvoltages
Section 5: Safety requirements
5.1 Discharge device
5.2 Container connection
5.3 Protection of the environment
5.4 Other safety requirements
Section 6: Markings
6.1 Markings of the unit
6.2 Markings of the bank
Section 7: Guide for selection of ratings, and for
            installation and operation
7.1 General
7.2 Choice of rated current and voltage ratings
7.3 Capacitance
7.4 Operating temperature
7.5 Special conditions
7.6 Protective and switching devices
7.7 Choice of insulation level
7.8 Disturbing phenomena
Annexes
A Test requirements and application guide for
      external fuses and units to be externally fused
B Some examples of connection diagrams of phase
      banks or segments
C Precautions to be taken to avoid pollution of the
      environment by polychlorinated biphenyls
D Bibliography
ZA (normative) Other international publications
      quoted in this standard with the references of the
      relevant European publications
National annex NA (informative) Committees responsible
National annex NB (informative) Cross-references

Formulates specific safety rules for capacitor units and capacitor banks meant to be used connected in a series with a.c. transmission or distribution line or circuit forming part of an a.c. power system having a 15 Hz to 60 Hz frequency.