Patent ID: 6262672
Filing Date: 2001-07-17
Classification: G01D,G01R,H04Q,Y02B,Y04S

Abstract:
A re-configurable utility meter, having a current signal and having a voltage signal, said utility meter comprising:a current sensor;a voltage sensor;a DSP coupled to said current sensor and coupled to said voltage sensor, said DSP programmable by soft keys for selection of functions, said DSP comprising:a high pass filter for filtering noise from the current sensor signal;a phase corrector coupled to said high pass filter, wherein said phase corrector is adapted to correct phase error in the current sensor signal;a gain corrector coupled to said phase corrector, wherein said gain corrector is adapted to correct for gain error in the current sensor signal; anda re-configurable power measurement block for computing real power, reactive power, or apparent power, based on said soft key selection.