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AssigneeSiemens Transmission & Distribution, LLC
InventorsByron J. Slater, John T. Voisine, Gregory L. Dykstal
Estimating the term…
A phase adjustment circuit is provided for use in an inductive drive utility meter that employs a current stator and a rotating disk. The phase adjustment circuit includes an impedance circuit and a first current limiting device. The impedance circuit has at least first and second terminals, and is disposed in a flux inducing relationship with the current stator such that the flux within the current stator induces a voltage across the first and second terminals of the impedance circuit. The first current limiting device has a first bias threshold, and is connected between the first and second terminals of the impedance circuit. The current limiting device is operable to inhibit current flow in a first direction through the impedance circuit based on whether the voltage induced on said impedance circuit exceeds the first bias threshold. The current flow through the impedance circuit then induces a compensation flux density component onto the current stator, which in turn affects registration of the meter.
In an inductive drive meter for metering a facility having a load current, the inductive drive meter including a rotating disk and a current stator, a phase adjustment circuit comprising an impedance circuit having at least first and second terminals, at least one nonlinear device having at least first and second terminals connected, respectively, to the first and second terminals of the impedance circuit, said impedance circuit disposed in a flux inducing relationship with said current stator, wherein said phase adjustment circuit generates a compensation flux density based on whether the load current exceeds a predetermined threshold.
In an inductive drive meter including a rotating disk and a current stator, a phase adjustment circuit for adjusting the phase of flux generated in the current stator, said phase adjustment circuit comprising:
An inductive drive revenue meter for measuring energy consumption of a facility through a set of power lines, the inductive drive revenue meter comprising:
In an inductive drive meter including a rotating disk and a current stator, a phase adjustment circuit comprising an impedance circuit having at least first and second terminals, at least one nonlinear device including a first diode having an anode and a cathode connected, respectively, to the first and second terminals of the impedance circuit, said impedance circuit disposed in a flux inducing relationship with said current stator.
Dependencies are inferred from the claim text.