A device to convert a detected voltage, that is indicative of current conducted by a switching circuit, to a series of electrical pulses that is indicative of electrical power dissipated by the switching circuit responsive to the current. The device includes a transconductor circuit including a first circuit to receive a reference current and a first reference voltage, and to obtain a transconductance based on an auto-generated bias current and the reference current and the first reference voltage, where a value of the transconductance is determined by the reference current and the first reference voltage. The transconductor circuit further includes a second circuit coupled to the first circuit to receive the detected voltage, and to generate a first current based on the detected voltage and the obtained transconductance.

A signal adjustment device includes a frequency adjustment circuit, a filter circuit, and a power estimation circuit. The frequency adjustment circuit is configured to receive a two-tone signal from a signal generator and to generate a first signal according to the two-tone signal, wherein the signal generator generates the two-tone signal according to a first coefficient and a second coefficient. The filter circuit is configured to filter the first signal, in order to generate a second signal. The power estimation circuit is configured to detect a power of an intermodulation distortion from the third order signal component, which is associated with the two-tone signal, in the second signal, and to adjust at least one of the first coefficient and the second coefficient according to the power, in order to reduce the power.

A signal adjustment device includes a frequency adjustment circuit, a filter circuit, and a power estimation circuit. The frequency adjustment circuit is configured to receive a two-tone signal from a signal generator and to generate a first signal according to the two-tone signal, wherein the signal generator generates the two-tone signal according to a first coefficient and a second coefficient. The filter circuit is configured to filter the first signal, in order to generate a second signal. The power estimation circuit is configured to detect a power of an intermodulation distortion from the third order signal component, which is associated with the two-tone signal, in the second signal, and to adjust at least one of the first coefficient and the second coefficient according to the power, in order to reduce the power.

Attributes of a power system having one or more distributed energy resources are characterized by continuously receiving data comprising a power data stream having at least two components and derived from at least one distributed energy resource. A control data stream comprising at least two components is generated. An error data stream is determined based on a difference between respective components of the power data stream to components of a reference data stream comprising at least two components. The error data stream and the reference data stream are processed to generate the control data stream. The control data stream is continuously output to enable control and/or monitoring of the power flow of at least one distributed energy resource.

A power detection and transmission circuit is provided. The power detection and transmission circuit includes a first conversion circuit, a second conversion circuit and a signal coupling circuit. The first conversion circuit is electrically connected to a power supply module to receive an analog input signal, and is arranged for converting the analog input signal to a first pulse width modulation (PWM) signal. The second conversion circuit is arranged for converting a second PWM signal to an analog regenerated signal, and transmitting the analog regenerated signal to a microcontroller, wherein the microcontroller calculates power information of the power supply module according to the analog regenerated signal. The signal coupling circuit is coupled between the first conversion circuit and the second conversion circuit, and is arranged for coupling the first PWM signal to the second conversion circuit and accordingly generating the second PWM signal.

A power detection and transmission circuit is provided. The power detection and transmission circuit includes a first conversion circuit, a second conversion circuit and a signal coupling circuit. The first conversion circuit is electrically connected to a power supply module to receive an analog input signal, and is arranged for converting the analog input signal to a first pulse width modulation (PWM) signal. The second conversion circuit is arranged for converting a second PWM signal to an analog regenerated signal, and transmitting the analog regenerated signal to a microcontroller, wherein the microcontroller calculates power information of the power supply module according to the analog regenerated signal. The signal coupling circuit is coupled between the first conversion circuit and the second conversion circuit, and is arranged for coupling the first PWM signal to the second conversion circuit and accordingly generating the second PWM signal.

A signal adjustment device includes a frequency adjustment circuit, a filter circuit, and a power estimation circuit. The frequency adjustment circuit is configured to receive a two-tone signal from a signal generator and to generate a first signal according to the two-tone signal, wherein the signal generator generates the two-tone signal according to a first coefficient and a second coefficient. The filter circuit is configured to filter the first signal, in order to generate a second signal. The power estimation circuit is configured to detect a power of an intermodulation distortion from the third order signal component, which is associated with the two-tone signal, in the second signal, and to adjust at least one of the first coefficient and the second coefficient according to the power, in order to reduce the power.

A signal adjustment device includes a frequency adjustment circuit, a filter circuit, and a power estimation circuit. The frequency adjustment circuit is configured to receive a two-tone signal from a signal generator and to generate a first signal according to the two-tone signal, wherein the signal generator generates the two-tone signal according to a first coefficient and a second coefficient. The filter circuit is configured to filter the first signal, in order to generate a second signal. The power estimation circuit is configured to detect a power of an intermodulation distortion from the third order signal component, which is associated with the two-tone signal, in the second signal, and to adjust at least one of the first coefficient and the second coefficient according to the power, in order to reduce the power.

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 width 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 width ON-time.