90.93 Standard confirmed Nov 21, 2023
ISO
ISO/TC 20/SC 1 Aerospace electrical requirements
International Standard
49.060 Aerospace electric equipment and systems
Published
Specifies the general design and test requirements for 4OO Hz inverters. Furthermore gives preferred ratings, supply characteristics, output voltage and frequency, efficiency, regulation response and stability, voltage balance, waveform and modulation of output voltage, control of voltage and frequency, adjustment of voltage, phase sequence, protection, environment, terminal identification, components, radio interference, magnetic influence, starting, cooling, tests, declarations and marking.
PUBLISHED
ISO 2277:1973
90.93
Standard confirmed
Nov 21, 2023
ABANDON
ISO 2277:1973/NP Amd 1