Abstract: A circuit portion comprises a DCDC converter that provides current from an output to a plurality of loads. Channel logic circuitry is configured to provide current from the output of the converter to each load according to a cyclical sequence, wherein each cycle has a duration that is divided equally into a plurality of time slots. The channel logic circuitry is configured to provide current to each load for one or more discrete time slots. The number of time slots is greater than the number of loads so that at least two output loads receive current for different numbers of time slots in a cycle.

Abstract: Method for monitoring and controlling current distribution in load circuits of an installation control system of a technical installation, wherein a predetermined and constant output voltage is provided by a clocked power supply and distributed to the load circuits, where load circuits are protected by a switch actuated by a controller, a variation of the current in each load circuit is measured during a learning phase, a significant current profile with an associated tolerance range is derived and associated with the respective load circuit from the measured current variation which is continuously monitored by the control unit and a check is performed to determine whether a power capacity limit is reached by the clocked power supply while operate the installation, and the current consumed load circuits is reduced and/or switched off by actuating switches in load circuits in which a current variation exceeds an upper limit of the tolerance range.

Abstract: A power outlet control device includes at least one electrical outlet and a processing circuit comprising a processor and memory storing instructions that, when executed by the processor, cause the processor to perform operations. The operations include monitoring external power supplied to the power outlet control device, detecting one or more powerline events based on the external power supplied to the power outlet control device, and automatically controlling an amount of power supplied to the at least one electrical outlet based on the one or more powerline events.

Abstract: A sump, ejector, or other pump monitor configured to monitor the amperage of electric current power supplied through the pump monitor to a pump and communicate one or more signals regarding the amperage or variations in amperage to a remote signal receiving device which indicate a predicted failure or actual failure of the pump. In various embodiments, the pump monitor operates with a remote pump failure warning system. The remote signal receiving device or remote pump failure warning system provides suitable warnings to one or more user access devices.

Abstract: A semiconductor device and a power-off method of the semiconductor device, the semiconductor device including a first power source group including first and second power sources, a second power source group including a third power source and a power sequence controller. The power sequence controller performs power-on operations and power-off operations of the first to third power sources. The power sequence controller starts a power-off operation of the first power source group at a first time, and starts a power-off operation of the second power source group when the power voltage of the first power source group becomes a first voltage or when a first reference time has passed from the first time.

Abstract: Methods and apparatus for reducing peak power consumption of a grid connected power plant having a plurality of wind turbines. In response to determining that a power production value of the power plant is below a power threshold, one method includes: after a first time delay of a first group of one or more wind turbines, control the first group to operate in a power saving mode for a predefined first power saving period; and after a first time delay of a second group of one or more other wind turbines, control the second group to operate in the power saving mode for a predefined second power saving period. The first time delay of the first group is less than the first time delay of the second group and the power saving mode inhibits a power consuming activity for the wind turbines operating in the power saving mode.

Abstract: A controller for a SIMO DC-DC converter operable in CCM and DCM receives a signal representative of an inductor current, and signals representative of a first and a second DC-DC converter output. The controller has a first and second output adapted to control electronic switches coupled to a first and second output filter, and a third and fourth output adapted to control current in an inductor. The controller controls the outputs based upon the inputs by determining a desired PWL inductor current and current waveform, and determines pulsewidths of the outputs, to match the inductor current to the desired PWL. A timer controls pulsewidths of the outputs and the controller dynamically selects DCM or CCM to maintain the first and second DC-DC converter outputs at predetermined levels. In embodiments, the desired PWL inductor current is one or both of a desired valley current and a desired peak current.

Abstract: A pre-defined cost savings benefit is provided to a guest as a function of an amount of a calculated cost savings that can be attributed to the guest during a period of occupancy by the guest. Utility cost saving are tracked in real-time during the period of guest occupancy and the guest will be able to use a device to visualize the utility cost savings that are being realized during this period. By being able to view the utility cost savings being realized in real-time, the guest will be incentivized to directly engage in a utility cost savings effort for the personal benefit of the guest which will, in turn, benefit the hotel.

Abstract: A power switch device includes a switch, a control unit, and a communication interface. The switch includes a power input terminal, which is configured to receive an external power; and a power output terminal, which is configured to output the external power. The switch normally remains open. The control unit is turned on when receiving the external power via the power input terminal, and transmits a start request via the communication interface. The control unit determines whether the communication interface receives a busy message within a delay time period. If the busy message is not received within the delay time period, the control unit controls the switch to be closed, and sets a start process time period. Within the start process time period, if the communication interface receives another start request, the control unit generates another busy message to respond to the another start request via the communication interface.

Abstract: A heating apparatus includes: first and second heaters, first and second switches, first and second ramp signal generation circuits, a signal processor circuit, first and second comparison circuits, and a switch control circuit. The first and second ramp signal generation circuits generate first and second ramp signals according to first and second output currents, respectively. The signal processor circuit senses a temperature to generate a temperature-related signal. The first and second comparison circuits compare the first and second ramp signals with the temperature-related signal, to generate a first PWM signal and a second PWM signal for controlling the first and second switches respectively, to determine the first and second output currents so that there is a predetermined ratio between average powers of the first heater and the second heater.

Abstract: A power distribution system comprising a power input, and at least two controlled power outlets configured for connection to devices. The power outlets may include first and second power outlets, with at least the first power outlet having a first priority level and at least the second power outlet having a second priority level. A power sensing circuit may be configured to detect a level of power being drawn from a power supply circuit. A power control circuit may individually control power supplied to each power outlet such that power drawn from each outlet may be removed without removing power from another outlet. The power control circuit may be configured to remove power from at least one of the controlled power outlets according to the relative priority levels of the power outlets when a cumulative power draw level for the outlets may exceed a threshold cumulative power draw level.

Abstract: An apparatus is disclosed. The apparatus has a controller, a main power source, an electrical converter configured to receive a first electrical signal from the main power source, and a capacitor electrically connected to the electrical converter. The apparatus also has an electrical selector switch electrically connected to at least one of the electrical converter and the capacitor, an electrical driver electrically connected to the electrical selector switch, at least one electrical output component electrically connected to the electrical driver, and at least one electrical component that is configured to receive a second electrical signal via the at least one electrical output component. The controller controls an operation of the at least one electrical component based on the second electrical signal, independently of control of the first electrical signal.

Abstract: An electric device includes a first receptacle to which a first plug is connected, a second receptacle to which a second plug is connected, and a cover member configured to open/close the second receptacle. In a state in which the first plug is connected to the first receptacle, opening of the cover member is restricted by interference between the first plug and the cover member. In a state in which the second plug is connected to the second receptacle, connection of the first plug to the first receptacle is restricted by interference between the first plug and the cover member.

Abstract: Disclosed embodiments of a power converter include a power output stage for generating a first voltage output and an auxiliary power output stage for generating a second voltage output. The power converter further includes a pulse frequency modulation (PFM) controller for controlling the power output stage in response to the first voltage output generated by the power output stage during a first period of time in which the power output stage operates in a PFM mode, and a pulse width modulation (PWM) controller for controlling the auxiliary power output stage in response to the second voltage output generated by the auxiliary power output stage during a second period of time. At least a portion of the first period of time is concurrent with the second period of time.

Abstract: A device for controlling an operating state of at least one component of a production plant, including an energy control unit for providing a state change signal for changing the operating state of the at least one component from a first operating state to a second operating state, wherein the device includes a monitoring unit which is designed to receive the state change signal of the energy control unit, and to provide the state change signal of the energy control unit for changing the first operating state to the second operating state, and to modify the state change signal of the energy control unit for providing the second operating state, and to block the state change signal of the energy control unit for preventing a change of state into the second operating state.

Abstract: In an air-conditioning apparatus and a method of detecting an abnormality in a transmission line, the air-conditioning apparatus includes plural facility apparatuses which are connected to each other by a transmission line and communicate with each other. One of the plural facility apparatuses includes: a transmission circuit including an abnormality detection comparator which detects an abnormality in the transmission line, the transmission circuit being provided to detect the abnormality in the transmission line; and a data storage device which stores a reception signal and signal voltage wave-height information indicating that the abnormality in the transmission line is detected. The transmission circuit further compares a voltage value of a reception signal received from another of the plural facility apparatuses through the transmission line with a threshold value set in advance in the abnormality detection comparator.

Abstract: A single stage transmitter that operates at high speed is configured to operate as a driver in write mode and a termination in read mode. The driver configuration includes two circuits. The first circuit includes a PMOS cross-coupled device and a PMOS cascode circuit. The second circuit includes a NMOS cross-coupled device and a NMOS cascode circuit. The PMOS cross-coupled device and the NMOS cross-coupled device is connected in series by alternating current (AC) coupling capacitors. The termination configuration includes a third circuit including MOSFET transmission gates and an inverter controlled by a termination mode enable signal. In write mode, the third circuit of the single stage transmitter is turned off and the first and second circuits are operational. In read mode, the first and second circuits of the single stage transmitter are inactive and the third circuit is operational.

Abstract: An electronic system having an assembly of a plurality of electronic devices each driven by a local power unit and a power sequencer control circuit for controlling the power on or off operation of the local power units. The electronic devices can be for example display units of a display wall. An advantage of such an assembly, e.g. a tiled display or display wall, is that a low level or as little energy as possible is dissipated by the local power units such as DC power supplies associated with the electronic devices, e.g. tiles of a display, and the associated “housekeeping” electronics. A further advantage is a limitation of the inrush current at start-up.

Abstract: An inserted connection member for a train connector includes an insertion needle, an insulator, a disconnection preventing pad and an extrusion block. The insulator is sequentially provided with a positioning hole and an inserted connection hole in an axial direction. The insertion needle includes a line connecting segment, a positioning segment and an inserted connection segment which are connected sequentially, the line connecting segment and the positioning segment are arranged in the positioning hole. The disconnection preventing pad and the extrusion block are both sleeved on the line connecting segment, and the disconnection preventing pad includes a pad body and a boss arranged on the pad body. Thus, the insertion needle is ensured to maintain a stable contact even when the train is running at a high speed, and a disconnection preventing effect of the insertion needle is achieved.

Abstract: Slave devices, master devices, systems and methods are disclosed for bidirectional edge-based pulse width modulation protocol based communication. In an implementation, receiving a master trigger signal starts a timer having an associated time period in a slave device, and after the timer has elapsed the slave device transmits a response.

Abstract: A method for controlling a multi-channel SMPS having N switching circuits. The method is generating a fast system clock and N load indication signals indicative of load statuses of the N switching circuits, then generating N clock control signals based on the preset pulses of the fast system clock and the N load indication signals. If one of the N switching circuits is detected to transit from a heavy load condition to a light load condition, forming the corresponding clock control signal based on the first pulse of the fast system clock after the corresponding load indication signal transits from the first state to the second state.

Abstract: One exemplary embodiment is a system including nanogrid controller configured to receive power bids each including a power magnitude value and a bid value from a plurality of resource controllers, evaluate the power bids to determine resource control commands for respective resource controllers and a power bid feedback value, and transmit the resource control commands and a power bid feedback value to the plurality of resource controllers. The plurality of resource controllers are configured to generate and transmit the power bids to the nanogrid controller, receive the resource control command and in response thereto at least one of shed or restore one or more of the power loads and control a supply power from one or more of the power sources, and receive the power bid feedback value and in response thereto generate an updated power bid and transmit the updated power bid to the nanogrid controller.

Abstract: Provided are a DC-DC converter driving device and a driving method thereof, the DC-DC converter driving device including an error detector configured to compare a first feedback voltage corresponding to a first output terminal with a first compensation reference voltage to generate a first error voltage, and configured to compare a second feedback voltage corresponding to a second output terminal with a second compensation reference voltage to generate a second error voltage, an interference detector configured to determine interference between the first and second output terminals on the basis of the first and second error voltages to generate an interference error voltage, and a reference voltage compensator configured to assign a weight to the interference error voltage to generate the first and second compensation reference voltages, and thus priorities are determined for outputs of the DC-DC converter and weights according thereto are assigned to reduce occurrence of cross-regulation.

Abstract: Disclosed embodiments of a power converter include a power output stage for generating a first voltage output and an auxiliary power output stage for generating a second voltage output. The power converter further includes a pulse frequency modulation (PFM) controller for controlling the power output stage in response to the first voltage output generated by the power output stage during a first period of time in which the power output stage operates in a PFM mode, and a pulse width modulation (PWM) controller for controlling the auxiliary power output stage in response to the second voltage output generated by the auxiliary power output stage during a second period of time. At least a portion of the first period of time is concurrent with the second period of time.

Abstract: The present disclosure relates to a method and apparatus for controlling an illumination device, such as a light bulb, LED light, or the like. In one embodiment, a lighting control adapter is described, comprising a male base for physically attaching the lighting control adapter to a light fixture and for receiving power from the light fixture via a light switch connected to the light fixture, a female socket for receiving a base of an illumination device, a switching circuit for providing switchable power to the illumination device, and a processing circuit coupled to the switching circuit, for detecting one or more power toggles of the power received by the male base, and for controlling illumination of the illumination device based on the detection of one or more detected toggles.

Abstract: A power source generation circuit includes a regulator circuit which receives an external power source voltage VDDA from an external power source, and generates a predetermined internal power source voltage on a given terminal VDD; and a charging circuit which connects the external power source and the given terminal when the external power source voltage VDDA supplied from the external power source is equal to or lower than a predetermined threshold voltage.

Abstract: An automation system includes a lighting controller having a WiFi interface through which wireless communication may be established with one or more mobile devices such as smartphones, tablets and the like. Using a mobile device, an installer may rapidly and reliably configure the lighting controller including creating or modifying bindings and settings for keypads which are associated with the lighting controller. The lighting controller includes a dynamic snubber circuit which automatically adjusts itself to operate with different types of loads.

Abstract: Embodiments provide apparatuses and systems in which slave power sequencers share a command bus and power sequence respective power groups through power sequence states of a power sequencing protocol in response to commands on the command bus. In some examples, a system may include a master power sequencer to output onto a command bus a command to perform a power sequencing protocol for transitioning the system from a first power state to a second power state, and a plurality of slave power sequencers sharing the command bus, each slave power sequencer to power sequence a respective power group to a next power sequence state in response to the command. Other examples are described and claimed.

Abstract: A delay line device is provided for a high frequency sampler for high frequency signal transmission, or for an oscilloscope for measuring high frequency signals. The delay line device includes two distributed tapped transmission delay lines. Each of the delay lines includes two terminals. An analog input signal is applied to a first terminal of the first delay line, and a clock signal is applied to a first terminal of the second delay line. The delay lines are configured such that the analog input signal propagates through the first delay line in an opposite direction as compared to the propagation of the clock signal through the second delay line.

Abstract: In some embodiments, an apparatus includes a single-inductor multiple-output (SIMO) direct current (DC-DC) converter circuit, with the SIMO DC-DC converter circuit having a set of output nodes. The apparatus also includes a panoptic dynamic voltage scaling (PDVS) circuit operatively coupled to the SIMO DC-DC converter circuit, where the PDVS circuit has a set of operational blocks with each operational block from the set of operational blocks drawing power from one supply voltage rail from a set of supply voltage rails. Additionally, each output node from the set of output nodes is uniquely associated with a supply voltage rail from the set of supply voltage rails.

Abstract: When a driver manipulates a fuel filler lid switch, a tank shutoff valve is opened. Then, time t is calculated, and then, remaining time, obtained by subtracting elapsed time from the time t, is presented on a display device. If the fuel filler lid switch is manipulated again, the tank shutoff valve is closed to seal a fuel tank, and a message to the effect that opening action of the fuel filler lid is cancelled is presented on the display device. If the time t has elapsed without the fuel filler lid switch being manipulated again, the fuel filler lid is opened, determining that internal pressure in the fuel tank has decreased to a level predetermined to ensure that the fuel tank can be filled safely without fuel or fuel evaporative gas spouting from the fuel tank.

Abstract: An exemplary embodiment provides a load management system, including a detecting module and a determining module. The detecting module creates at least one activated one of a plurality of loads located in a predetermined space as an activation set, and creates a group set including a plurality of sub-groups according to locations and activation times of the activated ones of the plurality of loads. The detecting module creates the activated ones of the plurality of loads which have been activated within a predetermined time period as one of the sub-groups. The determining module determines whether each of the activated ones of the plurality of loads is an essential load or a non-essential load according to the group set and the activation set to produce a determining result.

Abstract: A DC-DC converter independently supplies electrical loads. For each load, an output load signal is compared to a reference to generate a result indicating a need to supply the respective electrical load. A first detection is made as to whether a first electrical load needs to be supplied and a second detection is made as to whether any remaining electrical loads need to be supplied. The first electrical load is supplied if the first detection is positive and the second detection is negative.

Abstract: The control device of a LAN multiplexing apparatus performs a process to encapsulate a MAC frame received from at least any one of the LAN and the wireless LAN with a packet header including a packet network address including at least a multiplexing identifier and a MAC address and to send the encapsulated packet to the packet network, and a process to send a MAC frame obtained by decapsulating a packet received from the packet network to at least any one of the LAN and the wireless LAN corresponding to a destination of the MAC frame.

Abstract: The present invention relates to a vacuum source for providing vacuum to at least a first vacuum drain through conduits, comprising at least a first and a second vacuum pump. The vacuum source comprises a control system adapted to detect the consumed airflow, and to control the operation of each of the first and second vacuum pump based on the detected airflow.

Abstract: A power distribution unit, a communication device used with same, and a power distribution system. The power distribution unit comprises a master management module (331), and at least a group of socket management modules (211). The socket management module (211) is used to manage power output. The master management module (331) is connected to each socket management module (211), and is used to monitor a power output state of each socket management module (211) and control a switching state of the power output of each socket management module (211). The master management module (331) comprises an incoming port (431) and an outgoing port (432) for connection to external devices. The power distribution system comprises the power distribution unit and the communication device coordinating with the power distribution unit. The system can implement intelligent remote monitoring on the power distribution unit, and effective monitoring on a surrounding environment of the power distribution unit.

Abstract: A control circuit for booting a number of devices in a certain order includes two delay circuits and three switch circuits, the first switch circuit and the first delay circuit receiving a power good signal and a voltage signal from a power supply unit and thus allowing a first device to boot and the first delay circuit outputting a first delay signal after a set time, to the second switch circuit and the second delay circuit, which repeat the process of the first delay circuit and switch circuit, to boot the remaining devices.

Abstract: Air circuit breaker coil adapter for adapting an air circuit breaker, comprises: a coil unit housing for releasably receiving an air circuit breaker coil unit, the coil unit housing having a coil retainer element for preventing or limiting upward movement of an air circuit breaker coil unit therein; a locator at a bottom end of the coil unit housing for positively locating the coil unit housing in a plunger aperture of an air circuit breaker housing, the locator having a plunger aperture therethrough by which an interior of the coil unit housing is in-use communicable with an interior of the air circuit breaker housing; and a housing retainer element for at least in part preventing or limiting vertical displacement of the coil unit housing. An air circuit breaker using such an adapter and a method of adapting an air circuit breaker are also provided.

Abstract: A multiple outlet sequenced power strip with only a specific number of outlets capable of running at any one time which is comprised of at least: a housing, input and output outlets, and a form of variable motor; thus allowing for the possible use of multiple high power devices on one wall socket and any breaker.

Abstract: A power generation/distribution system includes a RAM air turbine (RAT) generator and an emergency integrated control center (EICC) that selectively applies either primary power provided by a primary power source or emergency power developed by the RAT generator to an alternating current essential bus (AC ESS bus) for distribution to one or more essential loads. The EICC monitors the primary power and in response to a loss of primary power selectively disables the supply of power from the AC ESS bus to the essential loads and manages subsequent loading of the RAT generator by the essential loads.

Abstract: Embodiments of an electronic circuit for monitoring a battery stack enable cell balancing while conserving pin-count of the circuit package. The illustrative electronic circuit comprises a battery monitoring integrated circuit configured for monitoring a plurality of cells in the battery stack. The battery monitoring integrated circuit is arranged to share a common node pin between two adjacent battery cells in the battery stack for the purpose of cell balancing.

Abstract: Method, modules and a system formed by connecting the modules for controlling payloads. An activation signal is propagated in the system from one module to the modules connected to it. Upon receiving an activation signal, the module (after a pre-set or random delay) activates a payload associated with it, and transmits the activation signal (after another pre-set or random delay) to one or more modules connected to it. The system is initiated by a master module including a user activated switch producing the activation signal. The activation signal can be propagated in the system in one direction from the master to the last module, or carried bi-directionally allowing two way propagation, using a module which revert the direction of the activation signal propagation direction. A module may be individually powered by an internal power source such as a battery, or connected to an external power source such as AC power.

Abstract: An interlock arrangement allows a floating neutral electrical generator having a receptacle, such as a duplex receptacle, absent GFCI protection to be used to provide electrical power to the electrical system of a home or other building during utility power interruption. The interlock arrangement includes structure to disable or prevent access to the duplex receptacle when the electrical generator is coupled to the power cord used to transfer electrical power from the generator to the electrical system of the building. Thus, the duplex receptacles cannot be used to power electrical devices when the generator is connected to supply power to the electrical system of the building. Conversely, when the generator is physically disconnected from the electrical system of the building, the interlock arrangement exposes or supplies power to the duplex receptacles, and may be configured to close access to the receptacle used for connecting to a building electrical system.

Abstract: A turbine farm comprises a plurality of individual turbines each having an auxiliary component circuit. The farm further comprises; a master transformer arranged to be coupled between each of the plurality of individual turbines and an electrical grid and an auxiliary transformer coupled between the sub-station transformer and the auxiliary component circuit in each of the individual turbines. When in use power is transmitted from the sub-station transformer back to each auxiliary component circuit.

Abstract: An automated power cycling device according to one example embodiment includes a base, a first plug connected to the base and for receiving a first network equipment device, a second plug connected to the base and for receiving a second network equipment device and an adapter connected to the base and for plugging into an input voltage source. The automated power cycling device is configured to initiate power transmission to the first network equipment device and the second network equipment device in sequential order.

Abstract: A power controlling circuit is assigned to each of a plurality of power domains of which power may be on/off-controlled, and which have a first hierarchical structure included in a semiconductor device, and these power controlling circuits are connected in accordance with a second hierarchical structure corresponding to the first hierarchical structure, and thereby, a power management unit controlling power supply to the plurality of power domains is configured, as a result that the power management unit performing power supply control depending on power control specification may be designed easily.

Abstract: A system includes at least one active energy transfer coil and a first passive energy transfer coil. The active energy transfer coil is configured to couple with a power supply. The at least one active energy transfer coil has an active coupling range. The first passive energy transfer coil is magnetically coupled to the active energy transfer coil and is located within the active coupling range. The first passive energy transfer coil has a passive coupling range. The first passive energy transfer coil is configured to provide energy to a first device located within the passive coupling range and based on energy received from the at least one active energy transfer coil.

Abstract: An adjustable inductive power transmission platform includes inductive power outlets embedded into adjustable modules having multiple configurations. The inductive power outlets are configured to couple with inductive power receivers to provide power to electrical loads wired thereto. The multiple configurations of the adjustable modules allow the position of the inductive power outlets to be adjusted to match the locations of inductive receivers to suit changing requirements.

Abstract: A fan control board with a fan control function is applied in an electronic device. The device includes a number of first connectors, a number of switches, a number of second connectors, and a control chip. Each first connector is connected to one of fan connectors of a main board of the electronic device. Each second connector is connected to one of the first connectors, one fan of the electronic device, and the control chip via one switch. The control chip is further connected to a power source of the electronic device. The control chip sequentially turns on one of the switches when the electronic device is powered on.

Abstract: A method and system for controlling load in a utility distribution network are provided that initiates a shed event for a node in the distribution network by selecting premisess associated with the node that are participating in a demand response program to reduce the load at the node to desired levels. More specifically, the system and method provide for selecting only enough participating premisess associated with the node that are necessary to reduce the load to desired levels.