True, power, RMS current, and RMS voltage measuring devices

Details True, power, RMS current, and RMS voltage measuring devices True, power, RMS current, and RMS voltage measuring devices

1991-08-12

1992-11-17

Nguyen, Vinh

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Nonlinear

324142, 324103R, 364483, G01R 3100

Patent

active

051646609

ABSTRACT:
Methods and apparatuses to measure RMS current, RMS voltage, and true power for zero-fired alternating current loads are provided. These methods and apparatuses are simple and inexpensive and provide updated measurements after each set of blocked or unblocked alternating current cycles.

REFERENCES:
patent: 3961257 (1976-06-01), Milkovic
patent: 4055804 (1977-10-01), Mayfield
patent: 4079313 (1978-03-01), Callan
patent: 4570715 (1986-02-01), Van Meurs et al.
patent: 4572299 (1986-02-01), Van Egmond et al.
patent: 4616705 (1986-10-01), Stegemeier et al.
patent: 4704514 (1987-11-01), Van Egmond et al.

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