Electronic decoupling impedance
AssigneeSchaffner EMV AG
InventorsAndrew Cecil Tucker, Tianyi Zhang, Roland Gentsch
Life of this patent
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Abstract
An active decoupling device for stabilizing the impedance on an electric line in a determined band of frequency. The decoupling device of the invention is inductively coupled to the power line and comprises a transformer with a primary winding connectable to the power line, and a secondary winding closed on a burden network. In an application, the invention, is used to decouple a smart meter from variations of the load impedance.
Claims7
An active decoupling impedance comprising a transformer having a primary winding connectable on an electrical power line between a victim device and an electrical load, and a burden network, connected to a secondary winding of the transformer, wherein the burden network is arranged to generate a first impedance on the powerline at a power frequency, and a second impedance with an absolute value larger than that of the first impedance in a predetermined band of frequency above the power frequency.
Dependencies are inferred from the claim text.