Control4 Corporation

David Lynn Bytheway

James K Russell

William Richard Schonle

An electronic device for inductive load switching is described. The electronic device includes a voltage sensor module that monitors a voltage waveform. The electronic device also includes a current sensor module that monitors a current waveform. The electronic device additionally includes a computing module coupled to the voltage sensor module and to the current sensor module that determines a power factor based on the voltage waveform and the current waveform. The electronic device further includes a controller module coupled to the computing module that switches off an inductive load based on the power factor. The electronic device has dimensions for fitting within a wall box.

Systems and methods for inductive load switching

A method for detecting a load type is described. The method includes placing an electronic device in a forward phase mode. The method also includes operating a load at a maximum allowable level. The method additionally includes capturing a voltage waveform. The method further includes capturing a current waveform. The method also includes obtaining a voltage zero-cross based on the voltage waveform. The method additionally includes obtaining a current zero-cross based on the current waveform. The method further includes determining the load type based on the voltage zero-cross and the current zero-cross.

Device for detecting a load type

An electronic device for managing energy is described. The electronic device includes a voltage sensor module that monitors a voltage waveform. The voltage sensor module includes discrete components. The electronic device includes a current sensor module that monitors a current waveform. The current sensor module includes discrete components. The electronic device is coupled to the voltage sensor module and to the current sensor module. The computing module determines a phase margin based on the voltage waveform and the current waveform. The electronic device includes a control module coupled to the computing module. The control module controls a load based on the voltage waveform, current waveform and phase margin. The control module includes discrete components. The voltage sensor module, the current sensor module, the computing module and the control module are housed within a wall box.

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Salt Lake City, UT, United States of America

David Lynn Bytheway