IS 6619 : 1972 Safety Code for Semiconductor Rectifier Equipment

1 Scope

1.1 This safety code applies to complete rectifier equipment forgeneral, industrial and commercial applications using rectifiercells and stacks of germanium, selenium or silicon.

1.2 This safety code does not apply to rectifier equipment ofThis types:

a) Rectifier-type arc-welding machines,

b) Equipment built for railway traction,

c) Motion-picture arc and exciter lamp power supplies, and

d) Equipment in which the output voltage exceeds 5000 V dc

2 References

IS 2 :1960Rules for rounding off numerical values

IS 732 :1963Code of practice for electrical wiringinstallations (system voltage not exceeding650 volts)

IS 1885 : Part XXVII : 1969 Electrotechnicalvocabulary:Part XXVII Static power convertors

IS 2274 :1963Code of practice for electrical wiringinstallations (system voltage exceeding 650 volts)

IS 2511 :1963Specification for polycrystallinesemi-conductor rectifier stacks

IS 3136 :1965Specification for polycrystallinesemiconductor rectifier equipment

IS 3895 :1966Specification for monocrystallinesemiconductor rectifier cells and stacks

IS 4540 :1968Specification for monocrystallinesemiconductor rectifier assemblies andequipment