According to one embodiment, an electronic device includes a transformer connected to a power supply device, a super capacitor chargeable with an output of the transformer, a voltage converter connected to the transformer, a processor having a power supply terminal supplied with an output of the voltage converter, first and second photo-couplers connected to the power supply device, and a capacitor connected to a primary side of the second photo-coupler through a resistor. The primary side of the second photo-coupler is grounded via a pull-down resistor. The processor includes first and second terminals connected to the first and second photo-couplers and a third terminal supplied with a charging voltage of the super capacitor.

A method for maintaining a measure of accumulated energy delivered to an appliance includes a supervisor repeatedly receiving from a first smart socket a measure of energy delivered to the appliance by the first smart socket and maintaining a measure of accumulated energy delivered to the appliance. When the first smart socket fails and is replaced, the method includes repeatedly receiving from the second smart socket a measure of energy delivered to the appliance by the second smart socket, maintaining the measure of accumulated energy delivered to the appliance based at least in part on the measures previously received from the first smart socket and the measures repeatedly received from the second smart socket of energy delivered to the appliance by the second smart socket, and displaying the measure of accumulated energy delivered to the appliance on a dashboard.

An adjusting power measuring apparatus includes: a processor that: acquires an active power measurement value of active power exchanged at a connection point between a targeted power grid and an adjusting power supply source that supplies adjusting power to the targeted power grid, acquires a frequency measurement value of frequency at the connection point, calculates, based on the active power measurement value and the frequency measurement value, a first adjusting power coefficient indicating a degree of influence that fluctuation in the active power has on fluctuation in the frequency, calculates, based on the first adjusting power coefficient and a fluctuation measurement value of the fluctuation in the frequency, the adjusting power supplied from the adjusting power supply source to the targeted power grid, and determines, based on the calculated adjusting power, compensation to be paid to an owner of the adjusting power supply source.

The invention relates to an apparatus and method for tracking energy consumption. An energy tracking system comprises at least one switching element, at least one inductor and a control block to keep the output voltage at a pre-selected level. The switching elements are configured to apply the source of energy to the inductors. The control block compares the output voltage of the energy tracking system to a reference value and controls the switching of the switched elements in order to transfer energy for the primary voltage into a secondary voltage at the output of the energy tracking system. The electronic device further comprises an ON-time and OFF-time generator and an accumulator wherein the control block is coupled to receive a signal from the ON-time and OFF-time generator and generates switching signals for the at least one switching element in the form of ON-time pulses with a constant ON-time.

The invention relates to an apparatus and method for tracking energy consumption. An energy tracking system comprises at least one switching element, at least one inductor and a control block to keep the output voltage at a pre-selected level. The switching elements are configured to apply the source of energy to the inductors. The control block compares the output voltage of the energy tracking system to a reference value and controls the switching of the switched elements in order to transfer energy for the primary voltage into a secondary voltage at the output of the energy tracking system. The electronic device further comprises an ON-time and OFF-time generator and an accumulator wherein the control block is coupled to receive a signal from the ON-time and OFF-time generator and generates switching signals for the at least one switching element in the form of ON-time pulses with a constant ON-time.

Apparatus for disaggregating a plurality of aggregated electrical devices that receive power via a same power node, the apparatus comprising: a memory having values of at least one power feature for each of the aggregated electrical devices that characterizes power consumption of the device; and a processor configured to: receive a measure of a value for the at least one power feature of node power distributed to the aggregated devices via the power node; determine an optimum probability mass function (PMF) based on the values for the at least one power feature for each of the electrical devices that is optimized to provide an optimum disaggregation state vector for the aggregated electrical devices that satisfies a predetermined criterion to provide a value for the at least one power feature that agrees with the received measure of the at least one power feature.

A broadband access system, comprising a broadband access hub device (hub device) and broadband access premise devices (premise devices) wirelessly coupled the hub device to provide broadband services to multiple user equipment (UEs), is described. The hub device may access broadband services on a fiber optic broadband network and wirelessly provide access to the broadband services to the premise devices. The premise device may wirelessly communicate with the hub device and communicate with user equipment (UEs) for providing access to the broadband services through the hub device. The premise device may be attached to an electric utility meter, and a power interface module of the premise device may supply electrical power to the premise device from the electric utility meter.

The present disclosure relates to generating a measurement sensor profiling summary in relation to a measurement sensor of an electrical measurement system, the measurement sensor being suitable for measuring an electrical property. The profiling summary is generated by obtaining a plurality of profiling results each comprising an estimate of a transfer function of a measurement sensor of the electrical measurement system and a corresponding certainty value indicative of the accuracy of the estimate of the transfer function, wherein the plurality of profiling results are based on estimates of the transfer function of the measurement sensor and corresponding certainty values that were determined by a monitor module of the electrical measurement system during a profiling period of time; and generating a profiling summary based on at least one of the plurality of profiling results.

The present disclosure relates to the control of an operation of a monitor module of an electrical measurement system, where the monitor module has a plurality of operating states, including a) monitor at least a first measurement sensor of the utility meter to determine a first monitor result comprising an estimate of a transfer function of the first measurement sensor and a corresponding certainty value indicative of the accuracy of the estimate of the transfer function of the first measurement sensor, wherein the first measurement sensor is for measuring a first electrical property, and b) do not monitor any measurement sensor of the electrical measurement system.

The present disclosure provides a system and method for the management of a monitor module in an electrical measurement system to determine an estimate of a transfer function of a first measurement sensor in the measurement system. The management comprises outputting a first control instruction for instructing the monitor module to determine an estimate of the transfer function of the first measurement sensor over a first individual run length of time, obtaining a first monitor result from the monitor module, the monitor result comprising the estimate of the transfer function of the first measurement sensor and generating a report based at least in part on the first monitor result.