Letter symbols for physical quantities; symbols for use in the field of static converters using semiconductor devices
Edition 1994-02

Rated voltages of DC-motors directly fed by controlled static power convertors from AC-power systems
Edition 1993-09

Static power convertors; duty of power convertors, typers of d.c. load
Edition 1973-05

Static power convertors; duty of power convertors, types of a.c. load
Edition 1975-06

Static power convertors; rating code designation for semiconductor convertor stacks and assemblies, monocrystalline semiconductor convertor stacks and assemblies
Edition 1974-02

Static power convertors; semiconductor rectifier equipment, shapes and letter symbols of characteristic curves
Edition 1979-02

Static power convertors; semiconductor rectifier equipment with "W"-characteristic for charging of nickel/cadmium and nickel/iron batteries, requirements
Edition 1979-04

Static power convertors; semiconductor rectifier equipment with I characteristic for charging of batteries; requirements
Edition 1983-01