Abstract: A method and system for managing electrical loads on a standby generator. The method includes utilizing a transfer switch control to selectively shed loads each associated with one of a series of priority circuits. Priority values are initially assigned to each of the electric loads based upon the initial hard-wired connection of the electric loads to a main breaker panel during set up. The control unit of a transfer switch allows the user to reassign priority values to each of the electric loads based upon a user preference. The control unit includes one or more predefined priority assignment programs that can be selected to modify the priority values assigned to the electric loads.

Abstract: Some embodiments include an improved electric power supply. Other embodiments of related systems and methods are disclosed.

Abstract: A method and system for managing electrical loads on a standby generator. The method includes utilizing a transfer switch control to selectively shed loads each associated with one of a series of priority circuits. Priority values are initially assigned to each of the electric loads based upon the initial hard-wired connection of the electric loads to a main breaker panel during set up. The control unit of a transfer switch allows the user to reassign priority values to each of the electric loads based upon a user preference. The control unit includes one or more predefined priority assignment programs that can be selected to modify the priority values assigned to the electric loads.

Abstract: A charge balancing circuit implemented within a charge storage device (cell) in a series connected charge storage unit (battery) made up of a plurality of cells. The charge balancing circuit may utilize a controller to sense the voltage in the cell it is implemented therein and the cells adjacent thereto. If the voltage of the current cell exceeds a threshold voltage and is greater than at least one adjacent cell the current cell can transfer charge to the adjacent cell having the lowest voltage. The transfer of the charge is done with a switching network that extracts current from the current cell and then transfers the current to the adjacent cell having the lowest voltage. The switching network may utilize switches and a current storage device (inductor) to transfer the charge. The controller may activate different switches based on which adjacent cell has the lowest voltage.

Abstract: A method and system for managing loads powered by a standby generator. The method includes utilizing a transfer switch control unit to selectively shed loads each associated with one of a series of priority circuits. The loads are shed in a sequential order based upon the priority circuit to which the load is applied. Once a required load has been shed, the control unit determines whether any of the lower priority loads can be reconnected to the generator without exceeding the rating of the generator while one of the higher priority circuits remains open.

Abstract: A power supply and control device for a plurality of electric actuators, the device comprising a control circuit and a power circuit, the power circuit having an inverter module connected to a switch module provided with connection means for connection to the actuators, the control circuit being connected to the switch module to operate it so as to connect the actuators sequentially to the inverter module, wherein the control circuit is arranged to control the inverter module and the switch module sequentially, and wherein the control circuit includes a monitoring module arranged to detect a malfunction of the device. An actuator assembly comprising a plurality of actuators and such a power supply and control device, and an aircraft including a plurality of actuators and such a power supply and control device of the above-specified type.

Abstract: A method and system for managing electrical loads on a standby generator. The method includes utilizing a transfer switch control to selectively shed loads each associated with one of a series of priority circuits. Priority values are initially assigned to each of the electric loads based upon the initial hard-wired connection of the electric loads to a main breaker panel during set up. The control unit of a transfer switch allows the user to reassign priority values to each of the electric loads based upon a user preference. The control unit includes one or more predefined priority assignment programs that can be selected to modify the priority values assigned to the electric loads.

Abstract: Disclosed is a circuit arrangement. The circuit arrangement includes a plurality of rechargeable batteries each having at least one rechargeable electrochemical cell, and current-carrying members connecting the plurality of batteries such that when the plurality of batteries are charging the plurality of batteries are in a series electrical circuit arrangement and when the plurality of batteries are discharging the plurality of batteries are in a parallel electrical circuit arrangement.

Abstract: A sequence control circuit for power sources includes two switched circuits and a sequence control unit. Each of the switched circuits has a control node and is coupled between a power source and a load. The sequence control unit includes two output terminals coupled to the control nodes. The output terminals generate control signals to control the sequence of the circuits being turned on.

Abstract: A method includes determining a desired power draw for a plurality of loads connected to an electrical grid, each of the plurality of loads connected to the electrical grid through a load supply control and being able to obtain a desired amount of energy from the grid in a desired time period, and transmitting a plurality of instructions through a communication network to a plurality of load supply controls to cause at least some of the loads in the plurality of loads to receive power from the electrical grid at different rates than other loads of the plurality of loads such that the desired power draw is obtained and such that each load of the plurality of loads receives its corresponding desired amount of energy in the desired time period.

Abstract: Disclosed is a power distribution module that is capable of providing power to rack mounted equipment modules in electronic equipment mounting racks. The power distribution module may comprise a series of individual modules that can be placed at strategic locations through the electronic equipment mounting rack to meet the specific power requirements of the rack mounted equipment modules, which may vary depending upon the type of module. In this manner, the expense of supplying power of a particular amount to a specific location can be reduced. In addition, power distribution modules are disclosed that are prefabricated in different versions to meet the power requirements of the design of the electronic equipment mounting rack.

Abstract: A method and system provide for the cooperative charging of electric vehicles. By using power line communications, chargers of the electric vehicles who are serviced by the same distribution transformer can form self-contained local area networks due to the nature of power line communications. After the chargers of the electric vehicles are coupled to one another through power line communications, they can form a token ring network. According to this token ring network, a predetermined number of tokens can be assigned within the token ring network for permitting chargers with tokens to charge respective electric vehicles while chargers without tokens must wait until they receive a token to initiate charging.

Abstract: A load shedding system and method for controlling imbalances in a power system includes a signal generator adapted to generate a signal representative of a local system, and a modifying circuit adapted to adjust set frequencies. The system also includes a processing circuit adapted to process data received from the signal generator and modifying circuit and set load shedding priorities for the local system based on the processed data.

Abstract: An electronic circuit designed to reduce energy consumption by toggling between a plurality of conventional or electronic fluorescent lighting ballasts within a given fixture, and where said toggle circuit shall increase or decrease fixture light output levels according to immediate requirements. Toggle circuit may be remotely controlled from conventional Mains wall switch or other such means. Initial applications of Mains power automatically provides the minimum of light levels. Additional momentary interruptions to Mains power provides varied and/or additional lighting levels.

Abstract: A method includes determining a desired power draw for a plurality of loads connected to an electrical grid, each of the plurality of loads connected to the electrical grid through a load supply control and being able to obtain a desired amount of energy from the grid in a desired time period, and transmitting a plurality of instructions through a communication network to a plurality of load supply controls to cause at least some of the loads in the plurality of loads to receive power from the electrical grid at different rates than other loads of the plurality of loads such that the desired power draw is obtained and such that each load of the plurality of loads receives its corresponding desired amount of energy in the desired time period.

Abstract: The present disclosure relates to an energy management system (EMS) and a method using the same, wherein the EMS comprises, a communication module receiving a channel information of a high voltage direct current (HVDC) system via a network; a circuit realization unit obtaining a connection information among constituent elements symbolizing the constituent elements among each node in electrical symbols by sequentially following pre-set nodes of the HVDC system, and forming the HVDC system by connecting the symbolized constituent elements using electrical lines by using the channel information of HVDC system received by the communication module; a system analyzing unit analyzing an operation mode of the HVDC system through the connection information among the constituent elements of the HVDC system obtained by the circuit realization unit; and a controller managing and controlling the HVDC system by giving an energy management command in response to the operation mode analyzed by the system analyzing unit.

Abstract: The present invention discloses a battery charging controller for achieving a balanced battery charge. The battery charging controller includes a voltage divider, a switch module and a balance circuit. A reference voltage generated by the voltage divide is used to determine which battery unit in a battery module has an insufficient voltage lower than the others, so that the balance circuit controls the switch module to allow a larger current to charge a lower-voltage battery than a higher-voltage battery, so as to result in substantially the same voltage for each fully charged battery of the battery module.

Abstract: A method of turning on a plurality of loads connected to a multi-channel power controller includes turning ON a first load, comparing a current-related value of the first load to a predefined threshold, and turning ON a second load after a selected one of a first time delay or a second time delay in response to the comparison.

Abstract: An HVAC system includes a first and a second electric motor. A load manager is coupled to the first electric motor. The load manager is configured to prevent the first electric motor from operating simultaneously with said second electric motor.

Abstract: The present disclosure relates to circuits and methods for improving the performance of plural DC-DC voltage converters.

Abstract: A sequential control master-slave socket device includes at least one master socket, a plurality of slave socket, a plurality of switches, a load judgment device and a controller. Each master socket is coupled to an input power source. Inlet terminals of the switches are coupled to the input power source commonly and outlet terminals of the switches are respectively correspondingly coupled with the slave sockets for controlling whether the input power source is provided for each of the slave sockets. The load judgment device is coupled with each master socket for outputting a control signal according to an electrify state of a load connected with each master socket. The controller is coupled with the load judgment device and each switch to drive the switches one by one in a preset sequence under the control of the control signal.

Abstract: A method and system for managing loads powered by a standby generator. The method includes utilizing a transfer switch control unit to selectively shed loads each associated with one of a series of priority circuits. The loads are shed in a sequential order based upon the priority circuit to which the load is applied. Once a required load has been shed, the control unit determines whether any of the lower priority loads can be reconnected to the generator without exceeding the rating of the generator while one of the higher priority circuits remains open.

Abstract: A method and system for managing electrical loads on a standby generator. The method includes utilizing a transfer switch control to selectively shed loads each associated with one of a series of priority circuits. Priority values are initially assigned to each of the electric loads based upon the initial hard-wired connection of the electric loads to a main breaker panel during set up. The control unit of a transfer switch allows the user to reassign priority values to each of the electric loads based upon a user preference. The control unit includes one or more predefined priority assignment programs that can be selected to modify the priority values assigned to the electric loads.

Abstract: A power converter includes a DC input (26) connected to an inductive element (TR), a switch (T1) arranged to interrupt the inductive current cyclically with a predetermined cycle period, a plurality of load circuits (31, 32, 33), and a multiplexer (36) having a plurality of parallel channels (M1, M2, M3) between first and second output terminals (34, 38) of the inductive element (TR), wherein each channel includes one of the load circuits (31, 32, 33), and the multiplexer is adapted to make the channels conductive sequentially and periodically, and the multiplexer has a switching period that is a multiple of the predetermined cycle period of the switch (T1).

Abstract: The invention discloses a power-on signal transmitting system, which includes a first electronic device, a second electronic device and a cable coupled between the two electronic devices. The first electronic device includes a power-on control unit. The second electronic device includes a power-on detection unit. The cable includes at least one information wiring and a signal level wiring. The at least one information wiring is used for transmitting an information signal between the first electronic device and the second electronic device. When the second electronic device is at a power-off state, the power-on control unit of the first electronic device is used for transmitting a power-on signal through the signal level wiring to the second electronic device. The power-on detection unit senses the power-on signal and turns on the second electronic device.

Abstract: Techniques are disclosed to control a power converter with multiple output voltages. One example regulated power converter includes a an energy transfer element coupled between a power converter input and first and second power converter outputs. A switch is coupled between the power converter input and the energy transfer element such that switching of the switch causes a first output voltage to be generated at the first power converter output and a second output voltage to be generated at the second power converter output. A current in the energy transfer element is coupled to increase when a voltage across the energy transfer element is a difference between an input voltage at the power converter input and the first output voltage. The current in the energy transfer element is coupled to decrease when the voltage across the energy transfer element is a sum of the first and second output voltages.

Abstract: Disclosed is a method for pulse width modulated control of a plurality of load elements, particularly during supply of the load elements from a common supply system in motor vehicles. The load elements are controlled in a time staggered manner with respect to one another, more particularly in a phase staggered manner within a common pulse width. Switch loads and high frequency interferences in the supply lines and the corresponding emissions can thus be reduced. The invention also discloses a circuit arrangement in which a corresponding phase staggered control is achieved with only one counter.

Abstract: Power control circuitry for controlling connection of a voltage source to a switched power rail powering an associated circuit is provided. A plurality of switch blocks are connected in parallel between the switched power rail and the voltage source, each switch block being controlled by an enable signal provided by a switch controller. The switch controller performs a turn-on sequence providing a series of enable signal patterns to the switch blocks. The switch controller applies a time varying generation operation to at least one sequence stage of a predetermined turn-on sequence to produce a corresponding enable signal pattern for that sequence stage. When the turn-on sequence is later repeated, the enable signal pattern produced for at least one of the sequence stages differs from the enable signal pattern previously produced for that sequence stage.

Abstract: A power strip device includes a power plug, a master power outlet, multiple slave power outlets and a control circuit. The control circuit includes an inductor, a reed switch and a switching circuit. Under the control of the control circuit, the power strip device allows the slave power outlets to be automatically turned on or off simultaneous with the master power outlet being turned on or off.

Abstract: An energy management system and method for one or more appliances includes a controller for managing power consumption within a household. The controller is configured to receive and process a signal indicative of one or more energy parameters of an associated energy supplying utility, including at least a peak demand period or an off-peak demand period. The controller is configured to at least one of communicate to, control and operate one or more appliances in one of a plurality of operating modes, including at least a normal operating mode and an energy savings mode in response to the received signal. The one or more appliances operate in the normal operating mode during the off-peak demand period and operate in the energy savings mode during the peak demand period. The controller is configured to control the return of the one or more appliances to the normal operating mode after the peak demand period is over to prevent an energy surge for the associated energy supplying utility.

Abstract: A plurality of primary power supplies convert a primary power supply voltage into intermediate voltages. Secondary power supplies convert the intermediate voltages converted by the primary power supplies into supply voltages and output the same. A timing adjuster is inputted thereto plural sorts of power converted into the intermediate voltages from the plural primary power supplies to perform timing adjustment to absorb a difference in start timing between the plural primary power supplies, and causes the secondary power supplies to output the supply voltages. When the power is supplied from the plural power supplies to the load elements, stable power can be supplied to the load elements even if a difference in start time generates between the plural power supplies.

Abstract: A modularized power supply switch control structure aims to control a main power system of a power supply. The main power system includes at least one high voltage output unit at a high voltage output end and one low voltage output unit at a rear low voltage output end. A control unit is connected to the high voltage output unit and the low voltage output unit to control start/stop time series of the high voltage output unit and the low voltage output unit so that the high voltage output unit and the low voltage output unit can be started asynchronously. Thus the power supply can output a start voltage at the start instant to meet load requirement. A plurality of power output modules deliver output asynchronously. Hence output current or voltage surge at the start instant can be improved.

Abstract: A multiple heater control system includes cables, connectors, and junction boxes for user-friendly daisy chain connections of heater controllers and heaters in various configurations or combinations of individually controlled heater series and/or master and slave heater series. The heater controllers include process control of AC power to the heaters and upper-limit safety shutoff that is substantially independent from the process control. The heater controllers also have variable levels of control, adjustment, display, and communications functionality in a base module that is expandable to various levels with expansion modules that are attachable to and detachable from the base module. Connector, cable, and junction configurations, adapters, and latch features enhance user friendliness.

Abstract: A switching power supply circuit includes a plurality of switching regulators and a timing adjustment circuit. The plurality of switching regulators converts an input voltage input to an input terminal into a plurality of predetermined constant voltages, and outputs the plurality of predetermined constant voltages from a plurality of output terminals, respectively. The timing adjustment circuit adjusts phases of a plurality of pulse signals generated by the plurality of switching regulators so that the phases of the plurality of pulse signals are different from each other, and outputs the plurality of adjusted pulse signals to respective switch circuits of the plurality of switching regulators.

Abstract: Techniques are disclosed to control a power converter with multiple output voltages. One example regulated power converter includes a an energy transfer element coupled between a power converter input and first and second power converter outputs. A switch is coupled between the power converter input and the energy transfer element such that switching of the switch causes a first output voltage to be generated at the first power converter output and a second output voltage to be generated at the second power converter output. A current in the energy transfer element is coupled to increase when a voltage across the energy transfer element is a difference between an input voltage at the power converter input and the first output voltage. The current in the energy transfer element is coupled to decrease when the voltage across the energy transfer element is a sum of the first and second output voltages.

Abstract: A voltage sequence output circuit includes a sequence control circuit and a number of voltage output circuits. The sequence control circuit includes a first NOR gate, and the first NOR gate includes a number of the input terminals. The voltage output circuits each includes an input terminal, an output terminal, and a positively enabled tristate buffer connected between the input terminal and the output terminal thereof. The input terminals of the voltage output circuits is connected to the input terminals of the first NOR gate. If all of input terminals of the voltage output circuits are connected with electronic devices, the positively enabled tristate buffer of the voltage output circuits are enabled. The output terminals of the voltage output circuits sequentially output a voltage.

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: A pulsed power source minimizes current ripple disturbance in a main power supply by dividing the pulsed load into a plurality of pulsed sub-loads. The pulsed power source includes a plurality of pulsed load power supplies, each pulsed load power supply receiving charging power from the main power supply and providing pulsed energy to one of the plurality of pulsed sub-loads. Pulsed energy delivered to each of the plurality of pulsed sub-loads is out of phase with the other pulsed sub-loads, resulting in the input current provided by the main power supply having a reduced current ripple magnitude and increased current ripple frequency.

Abstract: A method includes determining a desired power draw for a plurality of loads connected to an electrical grid, each of the plurality of loads connected to the electrical grid through a load supply control and being able to obtain a desired amount of energy from the grid in a desired time period, and transmitting a plurality of instructions through a communication network to a plurality of load supply controls to cause at least some of the loads in the plurality of loads to receive power from the electrical grid at different rates than other loads of the plurality of loads such that the desired power draw is obtained and such that each load of the plurality of loads receives its corresponding desired amount of energy in the desired time period.

Abstract: An electronic control module incorporated into an appliance to control the operational states thereof by toggling of a conventional single-pole wall switch that supplies electrical power thereto.

Abstract: A sequential control master-slave socket device includes at least one master socket, a plurality of slave socket, a plurality of switches, a load judgment device and a controller. Each master socket is coupled to an input power source. Inlet terminals of the switches are coupled to the input power source commonly and outlet terminals of the switches are respectively correspondingly coupled with the slave sockets for controlling whether the input power source is provided for each of the slave sockets. The load judgment device is coupled with each master socket for outputting a control signal according to an electrify state of a load connected with each master socket. The controller is coupled with the load judgment device and each switch to drive the switches one by one in a preset sequence under the control of the control signal.

Abstract: An organic light emitting display includes a first power block for receiving a first input voltage to output a first output voltage and configured to be driven in a normal operation mode corresponding to an enable signal, a second power block for receiving a second input voltage to output a second output voltage and configured to be driven in an alternate operation mode corresponding to the enable signal, and a voltage input unit for transmitting the first input voltage to the first power block in the normal operation mode, and for transmitting the second input voltage to the second power block and stopping the transmitting of the first input voltage to the first power block in the alternate operation mode, corresponding to the enable signal.

Abstract: The invention relates to an electrical power distribution architecture specially adapted for actuating in sequence aircraft moving elements such as doors, undercarriages, or high-lift elements, said moving elements being actuated by electromechanical actuators powered in sequence from electrical power delivered by at least one electrical power bus of the aircraft.

Abstract: A master/slave outlet system includes at least one master outlet and at least one slave outlet. Moreover, the slave outlet is turned on to start the device connected to the slave outlet, while the master outlet supplies enough current to the device connected to the master outlet. Furthermore, the slave outlet is turned off to close the device connected to the slave outlet, while the device connected to the master outlet is shutdown or at sleep mode.

Abstract: Power distribution systems that have a limited peak power capability or a high source impedance, such as site supply generators, are often susceptible to abnormal operation in response to the current drawn at power up from the loads connected to the power distribution system. The present invention provides a method of configuring a lighting control system to power up a plurality of the lighting loads in sequence to reduce stress on the power distribution system. The lighting control system includes a plurality of load control devices for controlling the electrical loads. The method comprising the steps of enabling a startup-delay mode in the load control devices, and determining a startup sequence having a plurality of event times for the electrical loads to turn on after the power distribution system has stabilized. A graphical user interface may be used to create a database defining the operation of the startup sequence.

Abstract: Information for configuring control apparatus for a power system including a plurality of controlled power supplies is produced using a graphical interface which displays the topology and sequencing of the power supplies in the power system. A database is used to select power supplies to add in determining the power system topology. Sequencing is represented by displacing icons representing the power supplies along lines representing their input and output voltages, and arrows representing startup sequence dependencies. A processor produces the configuration information, consistent with the displayed topology and sequencing, using information for the selected power supplies from the database, for downloading to the control apparatus.

Abstract: Circuit, method for operating a circuit, and use, having a voltage regulator, which has a regulator output for providing a supply voltage, which for the supply can be connected to at least one first digital subcircuit via a first switch and to a second digital subcircuit via a second switch, wherein the voltage regulator is formed to output a first status signal dependent on the supply voltage, and to turn on the first switch by the first status signal is connected to a first control input of the first switch, and the first switch is formed to output a second status signal dependent on its switching state, and to turn on the second switch by the second status signal is connected to a second control input of the second switch.

Abstract: Methods of controlling activation of electrical appliances can include reducing overlapping activation time of different electrical appliances located at a single customer location of an electrical service provider during at least one time interval during a day. Related systems, circuits, and computer program products are disclosed.

Abstract: A time-based controller provides control for a controlled system including a plant having an integration response. The time-based controller includes a comparator that detects a polarity change in a comparison of a sensed signal from the plant and a reference signal while a control signal is in a first state, time calculation logic that, responsive to detection of the change in the comparison, determines a time at which to change a state of a control signal supplied to the plant, and a modulator that, at the determined time, changes the state of the control signal supplied to the plant from the first state to a second state.

Abstract: A master/slave outlet system includes at least one master outlet and at least one slave outlet. Moreover, the slave outlet is turned on to start the device connected to the slave outlet, while the master outlet supplies enough current to the device connected to the master outlet. Furthermore, the slave outlet is turned off to close the device connected to the slave outlet, while the device connected to the master outlet is shutdown or at sleep mode.