Abstract: An apparatus and a method for use in an electric circuit. The apparatus includes a sampling module arranged to obtain an approximation of a voltage-current characteristic of at least one electrical circuit component of the electric circuit subjected to an excitation, wherein each of the at least one electrical circuit component is represented by a constant phase element in an equivalent circuit of the electric circuit; and a processing module arranged to estimate a time-domain voltage response and/or a time-domain current response based on the approximation of the voltage-current characteristic under the excitation applied to the electric circuit.

Abstract: A vaporizer electrical system has a mouthpiece. The mouthpiece is configured to allow a user to aspirate a flow of air through the mouthpiece. A center airflow post is connected to the mouthpiece. The center airflow post has a post opening to admit air through the center airflow post. A burning chamber frame is connected to the center airflow post. The burning chamber frame has a burning chamber frame slot for receiving material. The material is a liquid or solid. A main base connects to the burning chamber frame, and a static electrode connects to the main base. The main base, the burning chamber frame, and the static electrode have a first electrical polarity. A moving electrode is mounted to a gasket insulator.

Abstract: An electric circuit for regulating power transfer in a power grid includes a compensator circuit arranged to be connected between outputs of one or more power sources and a point of common coupling in the power grid. The compensator circuit is arranged to detect one or more electrical properties associated with the outputs and one or more electrical properties associated with the point of common coupling; and provide, based on the detection, a voltage output to emulate a resistor for suppressing filter resonance associated with the one or more power sources and to reduce equivalent impedance of the power grid.

Abstract: A circuit arrangement for filtering an electric current, wherein the circuit arrangement is arranged between a power source providing the electric current and a load; and the electric current includes a first current component and a second current component. The circuit arrangement includes a first circuit arranged to receive and filter the first current component, a current control device arranged to receive and regulate the second current component so as to provide a regulated current to the load, and a control circuit arranged to provide a control signal to the current control device so as to control regulation of the second current component. The control circuit is further arranged to detect one or more operation parameters associated with the current control device, and to determine the control signal based on the one or more detected operation parameters.

Abstract: A current control circuit having a current regulation element, a first control circuit, and a second control circuit. The first control circuit is arranged to regulate, based on a reference current, a current flowing with respect to the current regulation element. The second control circuit is arranged to regulate, based on a reference voltage, a voltage across the current regulation element.

Abstract: Various arrangements for integrating control of multiple cloud-based smart-home devices are presented. Registration information may be received for a first and second smart-home device that are controlled using different cloud-based server systems. A determination may be made that that the first smart-home device and the second smart-home device share a common function. The first smart-home device and the second smart-home device may be assigned to a common operating characteristic group based on the common function being shared by the first smart-home device and the second smart-home device. A control element may be provided that allows for control of smart-home devices with the common operating characteristic group. The control element may control the common function at the first smart-home device via the first cloud-based server system and at the second smart-home device via the second cloud-based server system.

Abstract: An electric circuit arrangement and a method for generating electric current pulses to a load, the electric circuit arrangement including a switch and a current source in series connection with the load; wherein the switch is arranged to operate in at least an on state and an off state, thereby selectively connecting or disconnecting the current source to or from the load so as to generate the electric current pulses. With such architecture, the circuit performs with a better efficiency than a cascaded architecture.

Abstract: A system for determining a state of a photovoltaic panel. The system includes a data acquisition device having a circuit and a communication module. The circuit is arranged to transmit excitation signals to a photovoltaic panel and detect response signals generated by the photovoltaic panel in response to the excitation signal, during normal operation of the photovoltaic panel. The communication module is arranged to communicate the response signals to a control device for analysis and determination of a state of the photovoltaic panel.

Abstract: A vapor generator has a mouthpiece; an upper adapter receiving the mouthpiece; a central post connecting to the upper adapter; a fluid reservoir, wherein the central post passes through the fluid reservoir; central post openings formed on the central post; a heating element configured to generate heat for vaporizing vapor fluid; and a heating element base configured to retain the heating element. The central post openings receive vapor fluid. A first polarity base body is electrically conductive and has a first polarity base air intake. A duckbill valve is disposed within the first polarity base body through a base opening. A second polarity base is electrically conductive and insulated from the first polarity base body by an insulating sleeve.

Abstract: A dc link module for a power circuit comprising a first connector for connecting to a first power conversion circuit, a second connector for connecting to a second power conversion circuit, wherein the second power conversion circuit is connected to a load circuit arranged to at least intermittently operate as a power source to the power circuit, at least one dc link capacitors arranged between said first connector and said second connector for processing a voltage signal received at said first connector or said second connector, and at least one voltage compensation circuits arranged between said first connector and said second connector, said one or more voltage compensation circuits arranged to generate a voltage signal to compensate an ac ripple component in a dc voltage signal appearing across the at least one dc link capacitor.

Abstract: A vaporizer electrical system has a mouthpiece. The mouthpiece is configured to allow a user to aspirate a flow of air through the mouthpiece. A center airflow post is connected to the mouthpiece. The center airflow post has a post opening to admit air through the center airflow post. A burning chamber frame is connected to the center airflow post. The burning chamber frame has a burning chamber frame slot for receiving material. The material is a liquid or solid. The main base connects to the burning chamber frame, and a static electrode connects to the main base. The main base, the burning chamber frame, and the static electrode have a first electrical polarity. A moving electrode is mounted to a gasket insulator.

Abstract: An apparatus and a method for use in an electric circuit. The apparatus includes a sampling module arranged to obtain an approximation of a voltage-current characteristic of at least one electrical circuit component of the electric circuit subjected to an excitation, wherein each of the at least one electrical circuit component is represented by a constant phase element in an equivalent circuit of the electric circuit; and a processing module arranged to estimate a time-domain voltage response and/or a time-domain current response based on the approximation of the voltage-current characteristic under the excitation applied to the electric circuit.

Abstract: A battery tester for efficiently extracting intrinsic characteristics of a battery. The battery tester comprises a sensing unit, a controller, a bi-directional power converter, and an energy storage unit so that energy discharged from a battery during testing is stored in the energy storage unit and recycled back to the battery. The battery tester uses a high current pulse test and a switching excitation test with a modified particle swarm optimization algorithm to analyze precise model parameters that can be used to describe the health conditions of a battery.

Abstract: An electric circuit for regulating power transfer in a power grid includes a compensator circuit arranged to be connected between outputs of one or more power sources and a point of common coupling in the power grid. The compensator circuit is arranged to detect one or more electrical properties associated with the outputs and one or more electrical properties associated with the point of common coupling; and provide, based on the detection, a voltage output to emulate a resistor for suppressing filter resonance associated with the one or more power sources and to reduce equivalent impedance of the power grid.

Abstract: A current control circuit having a current regulation element, a first control circuit, and a second control circuit. The first control circuit is arranged to regulate, based on a reference current, a current flowing with respect to the current regulation element. The second control circuit is arranged to regulate, based on a reference voltage, a voltage across the current regulation element.

Abstract: A vapor generator has a mouthpiece; an upper adapter receiving the mouthpiece; a central post connecting to the upper adapter; a fluid reservoir, wherein the central post passes through the fluid reservoir; central post openings formed on the central post; a heating element configured to generate heat for vaporizing vapor fluid; and a heating element base configured to retain the heating element. The central post openings receive vapor fluid. A first polarity base body is electrically conductive and has a first polarity base air intake. A duckbill valve is disposed within the first polarity base body through a base opening. A second polarity base is electrically conductive and insulated from the first polarity base body by an insulating sleeve.

Abstract: A battery tester for efficiently extracting intrinsic characteristics of a battery. The battery tester comprises a sensing unit, a controller, bi-directional power converter, and an energy storage unit so that energy discharged from a battery during testing is stored in the energy storage unit and recycled back to the battery. The battery tester uses a high current pulse test and a switching excitation test with a modified particle arm optimization algorithm to analyze precise model parameters that can be used to describe the health conditions of a battery.

Abstract: A power circuit for regulating power transfer includes: a power converter circuit having an input and an output and arranged to be connected between a power supply and a load to regulate power transfer therebetween; an input capacitor connected across the input of the power converter circuit; a series pass element arranged to be connected between the power supply and the input capacitor; and a control circuit, operably connected with the series pass element and the power converter circuit, for controlling operation of the series pass element. The power circuit further includes an input capacitor power control circuit operably connected with the input capacitor and arranged to provide power to the input capacitor to facilitate charging of the input capacitor when a voltage across the series pass element is detected to be above a voltage threshold as a result of an increase in a voltage of the power supply.

Abstract: A circuit arrangement for use in a power conversion stage and a method of controlling a power conversion stage includes at least two electronic devices connected in series, the at least two electronic devices including at least one active power electronic device operable in a plurality of operation states including an active linearly operated state; wherein the at least one active power electronic device is arranged to be controlled and to operate in the plurality of operation states in each of a plurality conversion cycles, such that a generation of electric harmonics in the power conversion stage is suppressed during an operation of the power conversion stage.

Abstract: A method for regulating an electrical power source, comprising the steps of detecting for one or more predetermined conditions associated with a load power of the electrical power source, whereupon the one or more predetermined conditions is detected, acquiring electrical characteristics of the electrical power source to determine a global maximum load power value arranged to approximate a true maximum load power of the electrical power source, and processing the global maximum load power value to determine a local maximum load power value of the electrical power source, wherein the local maximum load power value is arranged to be more accurate in approximating the true maximum load power of the electrical power source when compared with the global maximum load power value.