Adjustable speed electrical power drive systems. General requirements. Rating specifications for low voltage adjustable speed a.c. power drive systems— 96 стр.
Connectors with assessed quality, for use in d.c., low-frequency analogue and in digital high speed data applications. Cable outlet accessories with assessed quality, including qualification and capability approval. Sectional specification— 42 стр.
Railway applications. Fixed installations. Particular requirements for alternating current switchgear. Circuit-breakers with nominal voltage above 1 kV— 28 стр.
Mechanical structures for electronic equipment. Tests for IEC 60917 and IEC 60297 series. Environmental requirements, test set-up and safety aspects for cabinets, racks, subracks and chassis under indoor condition use and transportation— 52 стр.
Electroacoustics. Hearing aids. Methods of measurement of performance characteritics of hearing aids under simulated in situ working conditions— 36 стр.
Electroacoustics. Hearing aids. Measurement of the performance characteristics of hearing aids for production, supply and delivery quality assurance purposes— 26 стр.
