NA 022
DKE German Commission for Electrical, Electronic & Information Technologies of DIN and VDE
DIN VDE 0311-20 ; VDE 0311-20:1988-11 [Withdrawn] references following documents:
| Document number | Edition | Title |
|---|---|---|
| IEC 60243 | 1967 | Recommended methods of test for electric strength of solid insulating materials at power frequencies More |
| IEC 60247 | 1978 | Measurement of relative permittivity, dielectric dissipation factor and d.c. resistivity of insulating liquids More |
| IEC 60250 | 1969 | Recommended methods for the determination of the permittivity and dielectric dissipation factor of electrical insulating materials at power, audio and radio frequencies including meter wavelengths More |
| IEC 60296 | 1982 | Specification for unused mineral insulating oils for transformers and switchgear More |
| IEC 60450 | 1974 | Measurement of the average viscometric degree of polymerization of new and aged electrical papers More |
