Superseded Standard

ASA C34.1-1958

ASA American Standard Practices and Requirements for Pool-Cathode Mercury- Arc Power Converters

These standards apply to all types of mercury-arc power converters, employing rectifying devices with mercury pool cathodes and used for power conversion purposes, including mercuryarc power rectifiers, mercury-arc power inverters, electronic frequency changers and converters used with electronic motors when these equipments employ mercury-arc rectifying devices with pool cathodes. These standards do not apply to welding rectifiers, nor electronic power converters employing rectifying devices with theremionic cathodes. Due to the action of the rectifier, the windings of associated transformers carry currents which differ substantially from the usual sinusoidal form. These standards, therefore, include a supplement on transformer equipment of rectifier units

Superseded Standard
Board Approval

Working Group Details

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