Load loss standard for calibrating power loss measurement...

Details Load loss standard for calibrating power loss measurement... Load loss standard for calibrating power loss measurement...

G - Physics

01

R

G01R 35/00 (2006.01) G01R 21/00 (2006.01)

Patent

CA 2172762

In a load loss standard for calibrating a power measurement system, a pair of reference voltage signals are generated, one in-phase and the other in quadrature with a test voltage ac source. A transconducting and summing amplifier generates an output current corresponding to the vector sum of these reference signals. By varying the magnitude of each of the reference signals independently of each other it becomes possible to vary the phase of the output current relative to the source, while keeping the magnitude of such current constant.

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