109results about "Hot plugging-unplugging power/load" patented technology

A method operable by a controller of a static transfer switch (STS) is provided. The STS includes first and second inputs selectively coupled with first and second power sources via first and second circuit breakers, respectively, an output coupled with a load, first and second bypass breakers selectively coupling the first and second inputs, respectively, with the output, at least one removable power stage module including first and second power stages configured to conduct electrical power when active, first and second contactors selectively coupling the first and second inputs with the first and second power stages, respectively, and a load switch selectively coupling the first and second power stages with the output. The method includes modifying an operating state of the first and second contactors and the first and second power stages to implement a bypass operation and an un-bypass operation of the STS in response to a trigger condition.

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.

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 system may use remote powering wherein few or all of the modules are powered from the same power source connected to the system in a single point. The power may be carried over dedicated wires or concurrently with the conductors carrying the activation signal. The payload may be a visual or an audible signaling device, and can be integrated within a module or external to it. The payload may be powered by a module or using a dedicated power source, and can involve randomness associated with its activation such as the delay, payload control or payload activation.

The invention belongs to the technical field of power electronics, and provides a battery management system power supply circuit of a high-voltage direct-hanging energy storage system, an energy storage valve and an energy storage station. And under the condition that the energy storage sub-module where the battery management system is located is bypassed, the energy storage sub-modules except the energy storage sub-module where the battery management system is located are selected to supply power to the battery management system, so that the problem that the battery modules in the bypassed energy storage sub-modules are over-discharged due to continuous consumption of the battery management system is solved. Furthermore, all the battery management systems in the energy storage sub-modules are controlled to be powered by the electric cabinet batteries where the battery management systems are located, so that the electric quantity uniformity of all the electric cabinets in the same energy storage sub-module is achieved.

A battery module includes a monoblock comprising one or more battery cells, a first power path electrically coupled to the monoblock and electrically couplable to one or more terminals, a switching device coupled to the first power path and configured to open and to close a circuit thereof, a control system that controls the switching device, and a second power path electrically coupled to the monoblock. The second power path is configured to provide power to the control system. An absence of a voltage signal from the second power path detected by the control system causes the switching device to open to electrically disconnect the one or more terminals of the first power path. Detection of the voltage signal from the second power path by the control system may cause the switching device to close to electrically connect the one or more terminals of the first power path.

The invention discloses a self-adaptive distributed energy and load plug-and-play direct current micro-grid ground fault protection method, system and device and a medium, and the method comprises the following steps: calculating fault area positioning information in real time, and when the area fault grounding current and the power change rate meet the protection starting criterion, starting a protection starting process; a fault area is determined according to the fault area positioning information, a tripping instruction is sent to a direct-current circuit breaker connected with the fault area, and the direct-current circuit breaker is disconnected after receiving the tripping instruction. According to the characteristics of flexible and changeable source storage load area structure, various control modes, easy extraction of fault high-frequency quantity and the like in the direct-current micro-grid, a universal protection positioning method is established by adding a constant-power load simulation actual scene in a load area; the plug-and-play performance of the fault protection positioning method under the condition that the DC micro-grid source storage load structure is changeable is realized, and accurate isolation of different fault areas when the DC micro-grid source storage load has a grounding short circuit fault is ensured.

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 invention discloses a power supply control circuit, a power supply control method and a power supply control device. The power supply control circuit comprises a first power module, a second power module and a switch module; the first power module is connected with the power utilization module; the second power module is connected with the power utilization module through the switch module; when the voltage of the first power supply module is greater than or equal to the threshold voltage, the switch module is switched off, and the first power supply module is used for supplying power to the power utilization module; and under the condition that the voltage of the first power supply module is smaller than the threshold voltage, the switch module is switched on, and the second power supply module is used for supplying power to the power utilization module. According to the embodiment of the invention, the power supply reliability can be improved.

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 invention relates to the technical field of power supplies, and discloses a power distribution module capable of being maintained without power interruption and a power distribution system. The power distribution module comprises a cabinet, a commercial power horizontal bus unit, a power distribution bus unit, an input switch unit, an input connection unit, an output connection unit, an output switch unit, an output horizontal bus unit and a UPS unit, the cabinet comprises a framework and an isolation shell assembled on the framework, and the isolation shell is used for insulation and isolation; the periphery of the commercial power horizontal bus unit, the periphery of the power distribution bus unit, the periphery of the input switch unit, the periphery of the output switch unit and the periphery of the output horizontal bus unit are all provided with isolation shells. The isolation circuit is used for independently isolating the commercial power horizontal bus unit, the power distribution bus unit, the input switch unit, the output switch unit and the output horizontal bus unit. According to the power distribution module, the UPS unit can be overhauled or replaced without powering off the whole power distribution system.

The tool comprises: - an electrically insulating shank, - an end piece having a mounting region mounted at a distal end of the insulating shank, the end piece comprising a head (54) intended to grip a connection / disconnection plug (36) of a manual electrical connection / disconnection system configured to be rotated between a configuration in which the battery module is electrically connected, and a configuration in which the battery module is electrically disconnected. The end piece has a transmission joint (56) connecting the mounting region to the head (54).

A PET transmitter including an input conditioning and protection circuitry electrically connected to an electrical source, having an output and a switch connected at the output. There is a front end circuit having an input connected to the switch and an output connected to a PET transmission line. There is a source controller configured to close the switch to connect the source to the output of the front end circuit during a transfer period and open the switch to disconnect the source during a sample period. Across the output of the front end circuit, there is a minimum effective cross-line capacitance that enables the source controller to differentiate a measured voltage at the output of the front end circuit indicative of a fault and a measured voltage indicative of no fault without a PET receiver being in electrical communication with the output of the front end circuit.

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.

Tool for securing at least one battery module, assembly and associated method. The tool comprises: - an electrically insulating rod, - a tip having a mounting region mounted at a distal end of the insulating rod, the tip comprising a head (54) for grasping a connect / disconnect plug (36) of a manual electrical connect / disconnect system configured to be rotated between an electrical connection configuration of the battery module and an electrical disconnect configuration of the battery module. The tip has a transmission joint (56) connecting the mounting region to the head (54). Figure for the abstract: Figure 6

An electrical grid for a decentralized energy system, including at least one current distribution system having at least two feed-in points, at least one current detection device, and at least one current regulation device, wherein the current detection device is configured and set up to detect respective currents flowing in different directions into the current distribution system at the feed-in points, and wherein the current regulation device is configured and set up to regulate currents in the current distribution system if at least one of the currents detected by the current detection device exceeds a predetermined threshold value.

The present disclosure relates to the field of power supply technology, and discloses a power distribution module allowing maintenance without power interruption and power distribution system. The power distribution module includes a cabinet and a mains horizontal busbar unit, a distribution busbar unit, an input switch unit, an input connection unit, an output connection unit, an output switch unit, an output horizontal busbar unit and a UPS unit which are installed in the cabinet in a modular design. The cabinet includes a rack and an isolation housing for insulation isolation assembled on the rack. The isolation housing is provided around the mains horizontal busbar unit, around the distribution busbar unit, around the input switch unit, around the output switch unit and around the output horizontal busbar unit, so that the mains horizontal busbar unit, the distribution busbar unit, the input switch unit, the output switch unit and the output horizontal busbar unit are isolated individually from each other. With the power distribution module, the UPS unit can be repaired or replaced without powering off the power distribution 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 invention relates to the technical field of plugging safety, and discloses an intelligent plugging safety control method for mobile energy storage equipment, which comprises the following steps: S1, an intelligent card completes non-contact identification through an NFC module, and an intelligent plugging connector is taken down; s2, the intelligent plugging connector is connected with an interface of the mobile energy storage equipment, meanwhile, the sensor recognizes the distance and transmits distance information to the control unit, when the distance information received by the control unit is smaller than a preset threshold value, the control unit controls the second electromagnetic lock to be locked, the intelligent plugging connector is connected with the mobile energy storage equipment, and then the mechanical lock is manually operated; and S3, the control unit dynamically adjusts the pre-charging current, the mobile energy storage device pre-charges the bus through a bus pre-charging loop, and when the control unit receives that the difference value between the bus and the load voltage is smaller than a preset threshold value, the control unit controls the main relay to be closed, the pre-charging relay to be disconnected, and the intelligent plug connector formally works in a live-line mode. According to the invention, the safety of plugging operation can be improved.

An apparatus (1) for providing DC output voltage to a subsea electrical device includes an input power supply module (6) and a plurality of DC-to-DC voltage converter modules (2). The input power supply module (6) provides DC input voltage to each of the DC-to-DC voltage converter modules (2). Each DC-to-DC voltage converter module (2) includes an input connector element (3) for receiving the DC input voltage, and a plurality of output connector elements (4) for providing a converted DC output voltage. Any of the output connector elements (4) of one DC-to-DC voltage converter module (2) may be electrically connected using a connecting cable element to any of the output connector elements (4) of another DC- to-DC voltage converter module (2) to enable one DC-to-DC voltage converter module (2) to be electrically connected in series and / or in parallel to another DC-to-DC voltage converter module (2). One of the output connector elements (4) of the DC-to-DC voltage converter module (2) is electrically connected to the subsea electrical device to provide the DC output voltage to the subsea electrical device.

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).

The present disclosure provides a scalable power distribution system (1) including a power distribution device, the power distribution includes a plurality of input modules (10) and a plurality of output modules (11). The input module (10) includes a connector (10a) for receiving the input power. The output module (10) has a plurality of output ports (11a). The output module (11) receives the input power of the connector (10a) of the corresponding input module (10), or receives the input power of the connector (10a) of the input module (10) neighboring to the corresponding input module (10). The input module (10) receives the plural types of input power, and the power distribution system (1) selectively receives one or more times of the input power through one or more of the plurality of input modules (10) to provide one or more times of the output power to one or more of the plurality of output ports (11a).

The invention relates to the technical field of power supply or power distribution circuit systems, and provides a power module hot backup circuit based on a VPX case architecture, which comprises an LTC chip, the LTC chip is connected to a G pole of an MOS tube, an S pole and a D pole of the MOS tube are connected in series to a power output circuit, and the LTC chip is further connected to the power output circuit through two paths of pins for measuring voltage. Each of the two pins is connected in series with a resistor and is connected in parallel with a capacitor. The method is particularly suitable for multi-module power supply redundancy backup, and can seamlessly use modules with normal functions after a single module fails, so that the reliability and the stability of power supply voltage are improved, and the requirement that system equipment continuously works for a long time is met; load balanced distribution between the dual-power-supply modules can be conveniently realized, load distribution approximately equal to 1: 1 is achieved, the reliability of the dual-power-supply modules during working is improved, and the requirement of small modules for high power is met.

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.

One exemplary embodiment is a vehicle system comprising an engine, an exhaust aftertreatment system including a heating element, an electric machine configured to selectably operate as a motor or a generator, an inverter module including a plurality of inverter phase legs and an auxiliary leg, and an electronic control system in operative communication with the inverter module and the exhaust aftertreatment system. The electronic control system is configured to evaluate whether the electric machine is operating as a generator, selectably operate the plurality of inverter phase legs to rectify AC power received from the electric machine, evaluate whether to heat one or more components of the exhaust aftertreatment system, and selectably operate the auxiliary leg to provide rectified power from the inverter legs to one or more electrical heating elements thermally coupled with the one or more components exhaust aftertreatment system effective to heat the one or more components.

A power system, a data center, and a charging device are provided, and relate to the field of electronic power. The power system includes a centralized controller (10) and three power modules (11). Each phase of an alternating current power supply is connected to one power module (11), and an input end of each power module (11) is connected to one phase of the alternating current power supply. Each power module (11) includes a low voltage controller (30) and at least two power units (20). Each power unit (20) includes a unit controller (201). The centralized controller (10) is connected to each low voltage controller (30) by using a bus. The centralized controller (10) sends a control signal to each unit controller (201) by using each low voltage controller (30), to control the unit controller (201) and / or a power conversion circuit (210). The power system can implement hot swap of the power module (11) and improve on-site operation reliability.

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.

Tool for securing at least one battery module, associated assembly and method The tool comprises: - an electrically insulating rod, - a tip having a mounting region mounted at a distal end of the insulating rod, the tip comprising a head (54) intended to grip a plug (36) for connecting / disconnecting a manual electrical connection / disconnection system configured to be maneuvered in rotation between an electrical connection configuration of the battery module and an electrical disconnection configuration of the battery module. The tip comprises a transmission joint (56) connecting the mounting region to the head (54). Figure for abstract: figure 6

A method operable by a controller of a static transfer switch (STS) is provided. The STS includes first and second inputs selectively coupled with first and second power sources via first and second circuit breakers, respectively, an output coupled with a load, first and second bypass breakers selectively coupling the first and second inputs, respectively, with the output, at least one removable power stage module including first and second power stages configured to conduct electrical power when active, first and second contactors selectively coupling the first and second inputs with the first and second power stages, respectively, and a load switch selectively coupling the first and second power stages with the output. The method includes modifying an operating state of the first and second contactors and the first and second power stages to implement a bypass operation and an un-bypass operation of the STS in response to a trigger condition.

The present invention discloses a DC microgrid ground fault protection method, system, device, and medium for adaptive distributed energy and load plug-and-play. The method includes the following steps: real-time calculation of fault area location information; when the regional fault ground current and power change rate meet the protection initiation criteria, determining the fault area based on the fault area location information; sending a trip command to the DC circuit breaker connected to the fault area; and disconnecting the DC circuit breaker after receiving the trip command. Based on the characteristics of the DC microgrid, such as flexible and changeable source-storage-load regional structure, diverse control modes, and easy extraction of high-frequency fault data, the present invention adds a constant power load to the load area to simulate actual scenarios, establishes a universal protection positioning method, realizes the plug-and-play nature of the fault protection positioning method under the conditions of variable DC microgrid source-storage-load structure, and ensures accurate isolation of different fault areas when a ground short circuit fault occurs in the DC microgrid source-storage-load.