SN EN 60143-1 : 1993

FOREWORD
1 Scope and object
2 Normative references
3 Terms and definitions
4 Service conditions
   4.1 Normal service conditions
   4.2 Ambient air temperature categories
   4.3 Abnormal service conditions
   4.4 Abnormal power system conditions
5 Quality requirements and tests
   5.1 Test requirements for capacitor units
   5.2 Classification of tests
   5.3 Capacitance measurement (routine test)
   5.4 Capacitor loss measurement (routine test)
   5.5 Voltage test between terminals (routine test)
   5.6 AC voltage test between terminals and container
        (routine test)
   5.7 Test on internal discharge device (routine test)
   5.8 Sealing test (routine test)
   5.9 Thermal stability test (type test)
   5.10 AC voltage test between terminals and container
        (type test)
   5.11 Lightning impulse voltage test between terminals
        and container (type test)
   5.12 Cold duty test (type test)
   5.13 Discharge current test (type test)
   5.14 Endurance test (special test)
6 Insulation level
   6.1 Insulation voltages
   6.2 Creepage distance
   6.3 Air clearances
7 Overloads, overvoltages and duty cycles
   7.1 Currents
   7.2 Transient overvoltages
   7.3 Duty cycles
8 Safety requirements
   8.1 Discharge device
   8.2 Container connection
   8.3 Protection of the environment
   8.4 Other safety requirements
9 Markings and instruction books
   9.1 Markings of the unit
   9.2 Markings of the bank
   9.3 Instruction book
10 Guide for selection of ratings, installation and
   operation
   10.1 General
   10.2 Reactance per line, rated reactance per bank and
        number of modules per bank
   10.3 Current ratings for the bank
   10.4 Overvoltage protection requirements
   10.5 Voltage limitations during power system faults
   10.6 Protective and switching devices
   10.7 Choice of insulation level
   10.8 Other application considerations
Annex A (normative) Test requirements and application
                      guide for external fuses and units
                      to be externally fused
Annex B (informative) Economic evaluation of series capacitor
                      bank losses
Annex C (informative) Capacitor bank fusing and unit arrangement
Annex D (informative) Examples of typical connection diagrams
                      for large series capacitor installations
                      for transmission lines
Annex E (informative) Precautions to be taken to avoid pollution
                      of the environment by polychlorinated
                      biphenyls
Annex ZA (normative) Normative references to international
                      publications with their corresponding
                      European publications
Bibliography
Figures
Tables

Applicable both to capacitor units and capacitor banks intended to be used connected in series with an a.c. transmission or distribution line or circuit forming part of an a.c. power system having a frequency of 15 Hz to 60 Hz.