35results about "Hot plugging-unplugging power/load" patented technology

Techniques and apparatus for swapping a primary power source (e.g., a main battery) while using a secondary power source (e.g., a backup battery or a supercapacitor) to power a portable device. One example integrated circuit (IC) for power management generally includes a first power supply node; a second power supply node; a first port for coupling to a primary power source; a first switch coupled between the first power supply node and the first port; a second port for coupling to a secondary power source; a second switch coupled between the first power supply node and the second port; and a third switch coupled between the first and second power supply nodes. For certain aspects, the IC also includes a third power supply node, a voltage regulator coupled between the first and third power supply nodes, and a fourth switch coupled between the second and third power supply nodes.

The charging system comprises: two chargers which deliver instantaneous electrical energy for charging an electrical device; an electrical chain which links the two chargers; three charging points that are electrically connected to the chargers via the electrical chain; a switching system which connects or does not connect a charging point to the first or to the second charger; a control system which controls the switching system.

A battery system with a large lithium-ion battery powers auxiliary devices by discharging battery cells distributed among multiple battery packs. The discharge of the battery cells is effectively controlled while maintaining the expected lifespan of the lithium-ion battery cells. Each battery pack internally supports a battery management system and can have identical components, thus supporting easy scalability to higher power / energy architectures. Battery packs can be added or removed without interfering with the user, wherein one of the battery packs serves as the master battery pack and the remaining battery packs serve as slave battery packs. When the master battery pack is removed, one of the slave battery packs becomes the master battery pack. The master battery pack and the slave battery packs coordinate the charging and discharging of the battery cells via a communication channel such as a Controller Area Network (CAN) bus.

The invention relates to the technical field of power distribution systems, and particularly discloses a communication power supply capacity expansion and power distribution management system. The system comprises a hot plug capacity expansion unit, an intelligent power distribution unit and a system collaborative management unit, and the hot plug capacity expansion unit is used for completing online addition, deletion and replacement operation of a power supply module under the condition that the system is not powered off; the intelligent power distribution unit is used for monitoring the load state in real time and dynamically distributing power resources; and the system collaborative management unit is used for overall planning and coordinating the capacity expansion operation and the power distribution strategy and ensuring the stable operation of the system in the capacity adjustment process. According to the invention, through cooperation of online capacity expansion and dynamic power distribution, uninterruptible power supply module addition, deletion and replacement, load real-time monitoring and power resource optimization distribution, and global coordination of a capacity expansion process and a power distribution strategy are realized. The maintenance flexibility, the power supply reliability and the operation continuity of the communication power supply can be improved.

The present disclosure features a system, method and non-transitory computer readable storage medium thereof for power supply. The method for power supply comprises receiving a first power of a general power supply by a detecting device including a switch set, a connecting port and a controller, and the controller enabling the switch set to operate, to supply a second power of the general power supply to a powered device (PD) through a power supply device (PSE).

Method, modules and a system formed by connecting the modules for controlling payloads are disclosed. An activation signal is propagated in the system from a 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 external power source such as AC power.

The disclosed technology relates generally to switching devices and more particularly to switching devices employing micro-electromechanical system (MEMS) switches. The switching devices can serve as circuit breakers for protecting electrical systems against certain electrical events. The switching devices can be configured to monitor and control one or both the MEMS switches and the electrical systems being protected. The disclosed technology additionally relates to systems including the switching devices and methods of using the switching devices.

A method and system provide a plurality of power cell modules. The power cell modules can be stacked together such that they are electrically connected and share a collective multi-voltage bus. Electronic appliances can be connected to one of the power cell modules to be powered by all of the connected power cell modules. Power cell modules can be easily added or removed from the bank without interrupting the supply of power to the electronic appliance.

A drive system having a plurality of drive units that each have a converter and preferably one motor, wherein the drive system includes an energy supply system that supplies electric energy to the drive units, and a control system that includes a control computer and at least one control line, where the control system transmits control instructions to the drive units, and where the energy supply system and the drive units are releasably connected together via a first respective connection connector, preferably via a plug connection, and the control system and the drive units are releasably connected together via a second respective connection connector, preferably via a plug connection.

The invention relates to the technical field of substation emergency power supply, in particular to a substation mobile storage battery emergency quick access box, which comprises a box body, a quick interface module, a protection control module and a switch module, and is characterized in that the quick interface module, the protection control module and the switch module are integrally mounted in the box body; the quick interface module is used for realizing quick butt joint between the emergency storage battery pack and the transformer substation direct current system, comprises a direct current side quick plug matched with a reserved interface of the transformer substation direct current system and a storage battery side quick interface used for being connected into the emergency storage battery pack, and is provided with a mechanical key positioning device; and the protection control module is electrically connected with the switch module, is used for monitoring circuit parameters and controlling the action of the switch module, and integrates an overcurrent protection unit, a short-circuit protection unit and a countercurrent protection unit. Emergency power supply rapid access is achieved, operation safety and reliability are improved, adaptability is high, and stable operation of a transformer substation direct current system is guaranteed.

Disclosed is a power distribution system for powering a plurality of remote radio heads mounted on the top of a cell tower. The distribution system includes a plurality of bulk power inputs, each of which is coupled to a row of power input sockets, and a plurality of breaker input socket rows. The power input socket rows and breaker input socket rows are arranged such that they are evenly spaced and the sockets are in columns. The system includes a plurality of jumpers that are designed to be installed such that multiple combinations of connections between bulk power inputs and circuit breaker inputs such that the system can be easily reconfigured.

A method and system provide a plurality of power cell modules. The power cell modules can be stacked together such that they are electrically connected and share a collective multi-voltage bus. Electronic appliances can be connected to one of the power cell modules to be powered by all of the connected power cell modules. Power cell modules can be easily added or removed from the bank without interrupting the supply of power to the electronic appliance.

The application discloses a drive system (1) having a plurality of drive units (2), wherein the drive units (2) each comprise a converter (3) and preferably a motor (4), an energy supply system (5) designed to supply electrical energy to the drive units (2), and a control system (6) comprising a control computer (8) and at least one control line (9), wherein the control system (8) is designed to transmit control commands to the drive units (2). The drive system (1) is characterized in that the energy supply system (5) and the drive units (2) are connected to one another in a detachable manner via first connectors, preferably via plug connections, and the control system (6) and the drive units (2) are connected to one another in a detachable manner via second connectors, preferably via plug connections.

A power strip (10) includes a body (60) having a planar front wall (12) including a plurality of electrical receptacles (14) and a rim wall (16) extending rearwardly from a perimeter of the front wall (12). A rear wall (22) has electrical prongs (32) to be received into receptacle (15) on an electrical outlet (11), and the rear wall (22) is recessed inwardly such that the electrical outlet (11) is housed within the recess. A hole (36) extends through the front and rear walls (12, 22) alignable with a hole (50) in the electrical outlet (11), and a threaded fastener (34) extends through the hole (36) and the hole (50) in the electrical outlet (11) to secure the power strip (10) to the electrical outlet (11).

To provide a scalable power distribution system including a power distribution device.SOLUTION: A scalable power distribution system 1 includes a power distribution device including a plurality of input modules 10 and a plurality of output modules 11. The input module includes a connector 10a for receiving input power from a power distribution panel 13. The output module has a plurality of output ports 11a. The output module receives the input power of the connector of the corresponding input module, or receives the input power of the connector of the input module neighboring on the corresponding input module. The input module receives plural types of input power, and the power distribution system selectively receives one or more times of the input power through one or more of the plurality of input modules to provide one or more times of output power to one or more of the plurality of output ports. The connector of the input module is electrically connected to a slot 10b of the neighboring input module.SELECTED DRAWING: Figure 1

The invention relates to an arrangement (1) for feeding electrical power into an AC power grid (2). According to the invention, the arrangement comprises a plurality of feed-in modules (El...En), each feed-in module comprising a converter module (W) for converting a DC voltage into an AC voltage and a storage module (S) for storing electrical energy, wherein the storage module is connected to a DC voltage side of the converter module and an AC voltage side of the converter module is configured for connection to the AC power grid and / or to at least one further feed-in modules, so that the feed-in modules form a series connection on the AC voltage side that can be connected to the AC power grid, wherein at least one of the storage modules is configured for connection to a power generation plant.

Power systems and methods of using the same to deliver power. A power system referenced herein can include a housing capable of attaching to a workstation, one or more cradles or mounting fixtures to receive at least one energy storage device, electronic circuitry to communicate status of the at least one energy storage device, state of charge of the at least one energy storage device, and / or overall health of the at least one energy storage device, and one or more electrical connectors to allow the at least one energy storage device to charge and / or discharge and communicate with the electronic circuitry, with said housing having an internal power supply and charge circuitry, said power supply capable of receiving input power from an external AC or DC power source; wherein the power system is configured to deliver power to the workstation.

A staple cartridge for use with a surgical stapler and surgical stapling systems are disclosed. The staple cartridge comprises a cartridge body having a tissue-contacting surface. One or more light emitting diodes (LEDs) are positioned at the edges of the tissue-contacting surface. A plurality of staple drivers is located within the cartridge body each supporting a staple.

Embodiments of the present disclosure relate to a DC power grid. A DC power grid includes a plurality of electrical nodes, one or more electrical branches electrically connecting the electrical nodes, and a plurality of protection devices arranged at the electrical branches. Each protection device of the power grid includes a first terminal for coupling to the first branch portion and a second terminal for coupling to the second branch portion. Each protection device further includes a switch assembly including one or more switch devices and a magnetic device electrically connected in series with the switch assembly between the first and second terminals of the protection device. According to the invention, the power grid further comprises one or more control means, which are included in or operably coupled to the protection means. Each control device is configured to control one or more switching devices of the switching assembly of the one or more protection devices such that the switching devices selectively switch between a closed state and an open state.

Method, modules and a system formed by connecting the modules for controlling payloads are disclosed. An activation signal is propagated in the system from a 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 external power source such as AC power.

The disclosed technology relates generally to switching devices and more particularly to switching devices employing micro-electromechanical system (MEMS) switches. The switching devices can serve as circuit breakers for protecting electrical systems against certain electrical events. The switching devices can be configured to monitor and control one or both the MEMS switches and the electrical systems being protected. The disclosed technology additionally relates to systems including the switching devices and methods of using the switching devices.

The present disclosure provides a scalable power distribution system including a power distribution device. The power distribution device includes a plurality of input modules and a plurality of output modules. The input module includes a connector for receiving the input power. The output module has a plurality of output ports. The output module receives the input power from the connector of the corresponding input module, or receives the input power from the connector of the input module neighboring to the corresponding input module. The input module receives the plural types of input power, and the power distribution system selectively receives one or more times of the input power through one or more of the plurality of input modules to provide one or more times of the output power to one or more of the plurality of output ports.

The invention relates to a battery system (10) for providing a first voltage and for being simultaneously charged with a second voltage, the battery system comprising: a plurality of battery devices (12a-12d), each having a positive terminal (20a-d) and a negative terminal (20e-h); a low-voltage connection (14) for providing the first voltage; and a charging connection (16) for charging the battery devices (12a-12d) with the second voltage, wherein each of the positive terminals (20a-d) can be switchably connected to the low-voltage connection (14) via an associated positive parallel switching device (18a-18d), and each of the negative terminals (20e-h) can be switchably connected to the low-voltage connection (14) via an associated negative parallel switching device (18e-18h); characterised by terminal connection lines (24a-24c) which switchably connect the battery devices (12a-12d) to form a series connection by connecting in each case one positive terminal (20a-d) to one negative terminal (20e-h) via in each case one series switching device (22a-22c), such that two terminals (20a-h) of end-positioned battery devices (12a-12d) form series-connection terminals (26a, 26b) of the series connection, wherein the series-connection terminals (26a, 26b) are connected to the charging connection (16), and the series switching devices (22a-22c) and / or the parallel switching devices (18a-18h) are contactors with return lines.

The invention relates to a drive system (1) comprising a plurality of drive units (2), each drive unit (2) comprising a converter (3) and preferably one motor (4); an energy supply system (5) which is designed to supply electric energy to the drive units (2); and a control system (6) which comprises a control computer (8) and at least one control line (9), wherein the control system (8) is designed to transmit control instructions to the drive units (2). The drive system (1) is characterized in that the energy supply system (5) and the drive units (2) are releasably connected together via a first respective connection connector, preferably via a plug connection, and the control system (6) and the drive units (2) are releasably connected together via a second respective connection connector, preferably via a plug connection.

An apparatus for providing DC output voltage to a subsea electrical device includes an input power supply module and a plurality of DC-to-DC voltage converter modules. The input power supply module provides DC input voltage to each of the DC-to-DC voltage converter modules. Each DC-to-DC voltage converter module includes an input connector element for receiving the DC input voltage, and a plurality of output connector elements for providing a converted DC output voltage. Any of the output connector elements of one DC-to-DC voltage converter module may be electrically connected using a connecting cable element to any of the output connector elements of another DC-to-DC voltage converter module to enable one DC-to-DC voltage converter module to be electrically connected in series and / or in parallel to another DC-to-DC voltage converter module

Techniques and apparatus for swapping a primary power source (e.g., a main battery) while using a secondary power source (e.g., a backup battery or a supercapacitor) to power a portable device. One example integrated circuit (IC) for power management generally includes a first power supply node; a second power supply node; a first port for coupling to a primary power source; a first switch coupled between the first power supply node and the first port; a second port for coupling to a secondary power source; a second switch coupled between the first power supply node and the second port; and a third switch coupled between the first and second power supply nodes. For certain aspects, the IC also includes a third power supply node, a voltage regulator coupled between the first and third power supply nodes, and a fourth switch coupled between the second and third power supply nodes.

The present disclosure relates to apparatuses and methods for generating amplitude and rate offsets at a phase comparator. An example implementation includes a method that obtains an input voltage of a power converter and a system voltage of a power converter circuit; obtains a voltage rate gain based on an aggregate inductance of the power converter circuit; and generates a rate offset voltage based on the voltage rate gain and a system voltage difference in accordance with a determination that the input voltage and the system voltage are not equal. An example implementation also includes an apparatus having a rate predictor device operatively coupled to an input voltage node and a system voltage node, and the rate predictor device is configured to obtain an input voltage of a power converter circuit and a system voltage of the power converter circuit; obtain a voltage rate gain based on an aggregate inductance of the power converter circuit; and generate a rate offset voltage based on the voltage rate gain and a system voltage difference in accordance with a determination that the input voltage and the system voltage are not equal.

This application discloses a power supply system, including: A first end of a bus capacitor is connected to a first end of a power supply, and a second end of the bus capacitor is connected to a second end of a semiconductor switch device. A first end of the semiconductor switch device is connected to a second end of the power supply. An input end of a power conversion circuit is connected to the bus capacitor. Two ends of a resistor are respectively connected to the first end and the second end of the semiconductor switch device. When the semiconductor switch device is switched off, the power supply supplies power to the bus capacitor by using the resistor. When a voltage of the bus capacitor is greater than a first preset voltage, an auxiliary power supply is powered on and the semiconductor switch device is switched off. When the voltage of the bus capacitor is greater than a second preset voltage, the controller controls the semiconductor switch device to be switched on, where the second preset voltage is greater than the first preset voltage. After the semiconductor switch device is switched on, the power supply supplies power to the bus capacitor by using the semiconductor switch device. The solutions help to select the semiconductor switch device with a smaller volume, reduce a volume of an entire soft-start circuit, and further reduce a volume of the power supply system.

A battery system with a large-format Li-ion battery powers attached equipment by discharging battery cells distributed among a plurality of battery packs. The discharging of the battery cells is controlled in an efficient manner while preserving the expected life of the Li-ion battery cells. Each battery pack internally supports a battery management system and may have identical components, thus supporting an architecture that easily scales to higher power / energy. Battery packs may be added or removed without intervention with a user, where one of battery packs serves as a master battery pack and the remaining battery packs serve as slave battery packs. When the master battery pack is removed, one of the slave battery packs becomes the master battery pack. Charging and discharging of the battery cells is coordinated by the master battery pack with the slave battery packs over a communication channel such as a controller area network (CAN) bus.

The invention discloses a scheduling method of a modular power supply system, and mainly solves the technical problems of low scheduling operation efficiency and poor reliability of an existing power module. According to the scheduling method based on the energy efficiency and the service life of the collaborative system, operation cost (including electric charge) is reduced, meanwhile, long-term capital expenditure (including module replacement) and maintenance cost are reduced, and minimization of the total cost in the whole life cycle of a modular power system is achieved; and a weight factor during total cost calculation allows an operator to flexibly adjust according to actual conditions, such as time-of-use electricity price, seasonal change, maintenance plan and the like, so that dynamic balance is obtained between the energy efficiency and the service life of the system. Therefore, the system can select the optimal scheduling operation strategy according to the real-time load change and the module health condition, and has high flexibility and self-adaptive capability.