Current measuring apparatus

Details Current measuring apparatus Current measuring apparatus

1977-05-06

1979-07-10

Rolinec, Rudolph V.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Polyphase

324117H, 324119, G01R 1900, G01R 3300, G01R 1922

Patent

active

041609506

ABSTRACT:
A current measuring apparatus for polyphase current wherein reverse poled parallel diodes in each of the polyphase lines provide separate direct current paths for the alternate half cycles of the polyphase current. Alternate half cycles having like polarity of each phase are summed using the magnetic field created by the current components and a Hall-effect device.

REFERENCES:
patent: 851149 (1907-04-01), Woodbridge et al.
patent: 1257514 (1918-02-01), Meyer

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