775results about "Power network operation systems integration" patented technology

The present invention belongs to the field of smart power grids and power system automation control. Disclosed is a load emergency control method based on a dynamic event triggering mechanism, which method comprises: on the basis of an indicator of safe operation of a system, performing region division on a distribution network; proposing an adaptive load level division method based on user response willingness, and by taking the minimization of the system operation cost of the distribution network as an objective, establishing a precise load control model of the distribution network; and using a dynamic event triggering mechanism to reduce communication between substations and a master station of the distribution network, so as to realize effective exchange and precise execution of load control policy information. The method of the present invention can precisely realize precise control of a load, and can effectively alleviate communication transmission pressure of a distribution network, thereby ensuring the stability of a power grid and the continuous supply of critical loads.

A system including an electrical meter and at least one server. The electrical meter: obtains a power monitoring signal by measuring an electrical property of a power line to a building; processes the power monitoring signal in a first mode of operation to determine first information about a first device in the building; transmits the first information to the at least one server; receives from the at least one server, an instruction to change to a second mode of operation; processes the power monitoring signal in the second mode of operation to determine second information about a second device in the building; and transmits the second information to the at least one server. The at least one server: receives the first information from the electrical meter, transmits the instruction to the electrical meter to change to the second mode of operation, and receives the second information.

The invention provides a communication master control system based on intelligent power supply, and relates to the technical field of communication, and the system comprises a power supply monitoring module which is used for monitoring the commercial power supply state of a communication base station, and automatically controlling a power switching circuit to switch a power supply mode to a standby battery power supply mode when the commercial power interruption is detected; the state acquisition module is used for acquiring the charge state, the discharge efficiency and the health state data of the standby battery in real time in a standby battery power supply mode, and acquiring the residual capacity, the actual discharge capacity and the life index of the battery; and the load receiving module is used for uploading the residual capacity, the actual discharge capacity and the life index of the battery to the communication main control unit, and receiving load data in the current communication network at the same time. According to the invention, intelligent scheduling of power utilization is realized, and the power supply reliability and stability of the communication system are improved.

The present disclosure relates to a standby power supply, including: a first sub power supply configured to provide alternating current electrical energy, where the first sub power supply is connected to an input terminal of an alternating current / direct current (AC / DC) converter; the AC / DC converter configured to convert the alternating current electrical energy into direct current electrical energy, where an output terminal of the AC / DC converter is connected to an output terminal of the standby power supply; and second sub power supplies configured to provide the direct current electrical energy, where the second sub power supplies are connected to the output terminal of the standby power supply. Through the present disclosure, a standby power supply solution having high reliability and capable of meeting power consuming requirements of a load with a great change in power demand such as a wind generator may be provided.

Systems and methods for managing power on an electric power grid including a server for communicating IP-based messages over a network with distributed power consuming devices and / or power supplying devices, the IP-based messages including information including a change in state of the power consuming device(s), a directive for a change in state of the power consuming device(s), a priority message, an alert, a status, an update, a location with respect to the electric power grid, a function, device attributes, and combinations thereof.

The invention relates to the technical field of low-voltage power supply and distribution systems, and discloses a dual-power-supply quick switching circuit for a low-voltage power supply system, which comprises a main power supply, a standby power supply, a circuit breaker QF1, a circuit breaker QF2, a relay KA1, a relay KA2, an alternating current contactor KM1, an alternating current contactor KM2 and a load, the main power supply is connected with the circuit breaker QF1, one path of the QF1 is connected with the KM1, and the KM1 is connected with the load; the other path is connected with the KA1 from the QF1, the KA1 is connected with the KM2, the KM2 is connected with a coil of the KM1 and then connected with the zero line N, and the 1B phase line and the 1C phase line of the main power supply are further connected with the two ends of the coil of the KA1; the standby power supply is connected with the circuit breaker QF2, one path of the QF2 is connected with the KM2, the KM2 is connected with the load, the other path of the QF2 is connected with the KA2 from the QF2, the KA2 is connected with the KM1, the KM1 is connected with a coil of the KM2 and then connected with the null line N, and the 2A phase line and the 2B phase line of the standby power supply are further connected with the two ends of the coil of the KA2. When the main power supply is abnormal, the standby power supply can be quickly switched to avoid shutdown of the lower-level equipment, the standby power supply can be automatically switched after the lower-level short circuit fault is isolated, and the power supply reliability of the low-voltage power supply and distribution system is greatly improved.

The utility model discloses a dual-power switch power distribution system and a control device and an air conditioner thereof, and the device comprises a main power supply and a standby power supply which are connected to a load side circuit breaker after passing through a dual-power switch system; the standby power supply is also connected to the first connecting end of the bypass system; the second connecting end of the bypass system is connected to a circuit breaker of a second-level load and a common end of the second-level load; under the condition that short-circuit faults occur between the main power supply and the load-side circuit breaker and between the standby power supply and the load-side circuit breaker, the dual-power switch system disconnects the main power supply and the standby power supply, and the bypass system controls the standby power supply to supply power to the second-level load through the circuit breaker of the second-level load. According to the scheme, the bypass system is added to the dual-power switch power distribution system, the bypass system is used for supplying power to the second-level load, namely the important load when the short-circuit fault occurs between the dual-power switch and the load circuit breaker, and the reliability of the dual-power switch power distribution system is improved.

The invention discloses an intelligent socket, an intelligent socket system, a control method and a storage medium, and the intelligent socket comprises a plurality of power supply input interfaces, the plurality of power supply input interfaces comprise a commercial power input interface and an energy storage input interface, the commercial power input interface is used for connecting commercial power, and the energy storage input interface is used for connecting a standby power supply; a power supply output interface; the change-over switch can selectively conduct the power supply output interface and any one of the power supply input interfaces; and the controller is configured to control the change-over switch to conduct the power supply output interface and a target power supply input interface, and the target power supply input interface is determined based on working conditions of objects connected with the multiple power supply input interfaces. Through the cooperation of the controller and the change-over switch, the intelligent socket can adaptively adjust the power supply according to the working condition of an object connected with the power supply input interface, and autonomously connect the power supply output interface and the power supply input interface, thereby meeting the demands of different power utilization scenes, and improving the power utilization stability and continuity.

The utility model relates to the technical field of power supply switching, and discloses a double-path direct current power supply switching device, which comprises a main direct current power supply, a standby direct current power supply, a double-path power supply switching module and a state detection module, the main direct current power supply and the standby direct current power supply are connected in parallel to the double-path power supply switching module, and an output circuit of the double-path power supply switching module is connected with load equipment; the state detection module is electrically connected with the double-circuit power supply switching module, and is used for collecting input current signals of the main DC power supply and the standby DC power supply, controlling the double-circuit power supply switching module to be communicated with at most one circuit of power supply, and transmitting the signals to load equipment. The switching circuit is short in switching time delay, small in size and small in switching voltage fluctuation, and ensures normal operation of load equipment.

A building energy system includes equipment configured to consume, store, or discharge one or more energy resources purchased from a utility supplier. At least one of the energy resources is subject to a demand charge. The system further includes a controller configured to determine an optimal allocation of the energy resources across the equipment over a demand charge period. The controller includes a stochastic optimizer configured to obtain representative loads and rates for the building or campus for each of a plurality of scenarios, generate a first objective function comprising a cost of purchasing the energy resources over a portion of the demand charge period, and perform a first optimization to determine a peak demand target for the optimal allocation of the energy resources. The peak demand target minimizes a risk attribute of the first objective function over the plurality of the scenarios.

The present application discloses a power supply and backup network of a communication device. The network includes a medium-low voltage power distribution system, a high voltage battery backup power system, a power distribution system, and a high-voltage direct-current (HVDC) bus system, where the medium-low voltage power distribution system is connected to the power distribution system by the HVDC bus system; the high-voltage battery backup power system is bypassed on the HVDC bus system; the medium-low voltage power distribution system is configured to provide HVDC power for the power distribution system by the HVDC bus system by using input mains power and oil energy backup power; the high-voltage battery backup power system is configured to provide HVDC backup power for the power distribution system by the HVDC bus system; and the power distribution system is configured to distribute, to a connected electrical device, the HVDC power.

The invention belongs to the technical field of power equipment power supply, and relates to a dual-power fast switching redundant system CCV power supply device, which comprises a dual-power module, a fast switching device, a UPS system, a redundant system, an intelligent monitoring module and an operation and maintenance management module according to a functional structure, and all system modules are electrically communicated in an electric information structuring manner to form an integrated power supply technical scheme. Rapid switching, stable operation and a safe and reliable power supply environment are realized; a power supply, a communication network, a control three-dimensional redundant system and an ATS rapid switching device are matched to be differentially matched with an online / backup UPS, zero interruption of load power supply is achieved, the single-point fault risk is effectively resisted, and the high-reliability power supply requirements of precision manufacturing, data centers and the like are met; the system is scientific and comprehensive in design, reliable and flexible in architecture, convenient and efficient in operation and maintenance, wide in application scene and remarkable in advantages of guaranteeing power supply stability and reducing comprehensive cost.

The utility model discloses a novel dual-power multi-standby plug-in low-voltage switch cabinet, which comprises a base, a bus coupler cabinet mounted in the middle of the top end of the base, a first wire inlet cabinet mounted on one side of the top end of the base, and a second wire inlet cabinet mounted on the other side of the top end of the base, drawer type circuit breakers are installed in the middle of the bus coupler cabinet, the middle of the first wire inlet cabinet and the middle of the second wire inlet cabinet respectively, a change-over switch is installed on one side of the top of the front face of the bus coupler cabinet, an automatic switching microcomputer is installed on the other side of the top of the front face of the bus coupler cabinet, and two wire outlet drawers are installed at the bottom of the first wire inlet cabinet and the bottom of the second wire inlet cabinet respectively. According to the novel dual-power-supply multi-standby plug-in low-voltage switch cabinet, the two wire inlet cabinets and the bus coupler cabinet of the low-voltage switch cabinet adopt electrical interlocking to ensure that the three wire inlet cabinets and the bus coupler cabinet cannot be switched on at the same time, and a standby power automatic switching microcomputer and a change-over switch are additionally arranged on the contact cabinet to realize three switching functions of standby power automatic switching, manual operation and stopping.

Provided herein is a power distribution system comprising a feedback circuit including a transistor in series with a relay, the feedback circuit regulating regulate a main power path including a main power supply connected in series with an electric power converter. The power distribution system further comprises OR-ing controllers that regulate the main power path and a backup power path including a low-voltage battery. The power distribution system further comprises terminals through which power from the main power path or the backup power path is transmitted to respective components corresponding to channels. The power distribution system further includes a microcontroller that acquires data in each of the channels and control operations associated with each of the channels based on the acquired data.

A control method including, by a computer, acquiring a current SOC value of the battery, acquiring history information related to a past power consumption amount in the vehicle, inputting the history information having been acquired to a learned model, and acquiring prediction information related to the necessary power amount, determining whether the current SOC value is larger than an optimum SOC value determined in advance for suppressing deterioration of the battery, upon determination that the current SOC value is larger than the optimum SOC value, calculating a target value of an SOC value of the battery based on the current SOC value, the optimum SOC value, and the prediction information, and outputting, to the charge and discharge device, control information instructing to discharge power from the battery to an electrical device outside the vehicle until the SOC value of the battery reaches the target value.

Systems and methods for allocating energy including distributing and receiving energy using a mobile energy storage (MEES) system at locations of a power supplier in an energy market system by a user. Determine allocating amounts of energy for the MEES system and for each time interval for all time intervals for an upcoming operating time period based on a set of uncertain parameters using an optimization model. Base on calculating an objective function using uncertain parameters. Update the objective function using constraints. While optimizing the objective function for a value hierarchy associated with energy and reserve bidding scenarios for the user and delivery scheduling for the MEES system based upon the stored user risk preferences. Control scheduling of the MEES system between the locations of the power supplier, according to allocating of the amount of the electrical energy for the MEES system at the locations of the power supplier.

The application discloses a chain control circuit, an energy storage air conditioner and an energy storage device; the chain control circuit comprises a first terminal group; a first relay, the normally open contact of the first relay is connected with a main power supply, the normally closed contact of the first relay is connected with a backup power supply, and the common end of the first relay is connected with a first interface and a second interface in the first terminal group; a second relay, the normally closed contact of the second relay is connected with an alarm signal interface of a controller, and the coil of the second relay is connected in series between the second interface and the fourth interface in the first terminal group; wherein when an external alarm is triggered, the normally closed contact of the second relay is disconnected, so that the alarm signal interface receives a first alarm signal; the controller is used for outputting a communication signal to an external battery management system through a communication interface according to the first alarm signal, so as to control the main power supply to be disconnected and the backup power supply to be started; and the application can improve the reliability of the energy storage device.

The utility model discloses an automatic connecting device for an electrical engineering line, which relates to the technical field of electrical engineering line connection and comprises a small electrical engineering device and an inverter, a bottom plate is mounted at the bottoms of the small electrical engineering device and the inverter, a connector is mounted at the input end of a first lead, and a second lead is mounted at the output end of the first lead. A standby battery is installed on the small electrical equipment of the electrical engineering, a second wire is installed at the output end of the standby battery, an interface is installed at the output end of a third wire, a connector is matched with the interface, a supporting rod is installed on the inverter and the interface, and an electromagnetic driving mechanism is arranged on the bottom plate and the connector. According to the utility model, the electromagnet is electrified to generate magnetic force, the iron rod moves backwards in the sleeve and jacks up the electromagnetic driving mechanism, the electromagnet is not electrified to lose magnetic force, and the connector moves forwards and is inserted into the interface, so that the connection of the electricity-taking wiring harness can be automatically completed during power failure, and the normal use of small-sized electrical equipment in electrical engineering can be ensured during power failure.

The utility model relates to the technical field of dual-power-supply automatic change-over switches, and discloses a low-cost PC-level dual-power-supply automatic change-over switch. Comprising a switch shell, the inner walls of the upper side and the lower side of the switch shell are each provided with a plurality of interfaces, the inner wall of the switch shell is slidably provided with a plurality of wiring terminals, the top ends of the wiring terminals make contact with the interfaces above, and the bottoms of the wiring terminals are electrically connected with wires. After the circuit provided by the utility model is powered off, the first lead cannot energize and magnetize the electromagnet, so that the electromagnet loses magnetism and cannot push the magnetic ring to lift, the magnetic ring descends to drive the switching block to be pressed on the upper surface of the switching seat, and the controller can drive the electric push rod to be energized through the switching seat, the switching block and the second lead. The driving piston rod moves to push the push block to move downwards to drive the transmission rod to pull the wiring end to move and be switched to an interface connected with a standby power supply, and automatic switching of the power supply can be ensured.

A communication system is provided that, if a large number of small cells are installed, is capable of configuring an operation suitable for small cells through simple operation and administration. A small cell judges whether a target cell is a macro cell in cell search. The cell broadcasts an indicator as to whether a target cell is a macro cell. The cell may broadcast an indicator as to whether it supports the macro support mode. As a result of cell search, the small cell receives the broadcast information of a cell having reception quality not less than a predetermined threshold, thereby checking an indicator as to whether the cell supports the macro cell support mode. The small cell notifies network equipment of capability information indicating its own capability, for example, a capability parameter indicating its own capability, thereby notifying the network equipment of its own capability, including (1) an indication that a cell is a small cell, (2) information on a mode to be supported, (3) cell identification information of a coverage cell detected in cell search by the small cell, (4) reception quality of (3) above, (5) information on the installation place of the small cell, (6) transmission power, which may be the rank of a base station, or (7) combination of (1) to (6).

The present invention is an apparatus, and related method, with embedded functionality allowing a user to monitor and control energy consumption, including hardware installed in addition to an existing circuit breaker panel. A preferred embodiment comprises a retrofitting apparatus that can be connected to an existing circuit breaker panel. The apparatus can be detachably connected to circuit breakers or a circuit breaker panel. The apparatus and related method allow remote control of, for example, a processor, controller, and / or node, so that a circuit and / or load on a premises connected to a node on the apparatus can be remotely turned on or off, or otherwise regulated. The nodes, connectors, or processors may communicate with a remote device, such as a phone, computer, laptop, tablet, or other communication or computing device.

This application provides a backup power supply system and a startup control method thereof. When an on / off-grid controller is powered off, a first control circuit provides a low level signal as an off-grid signal for a second control circuit of an inverter. In this way, when a voltage on a direct current side meets an inverter startup voltage value condition, the inverter preferentially performs an off-grid black start, and after the startup is complete, the inverter runs in off-grid mode and outputs an alternating current voltage to quickly supply power to a backup load. Before the inverter is started with off-grid mode and outputs the alternating current voltage, if it is detected that a voltage on an alternating current side meets a minimum off-grid output voltage value condition and a high level signal is received as an on-grid signal, the inverter may directly switch to on-grid startup, to complete quick startup. When a voltage of a power grid meets an undervoltage protection voltage value condition, the on / off-grid controller may directly start with on-grid mode and run in on-grid mode, turn on the first switch circuit, and send the high level signal as an on-grid signal, to quickly supply power to the backup load and provide a voltage for the alternating current side of the inverter.

The application discloses a kind of based on emergency power vehicle's comprehensive uninterrupted power operation load regulation and matching method, belong to electric power operation field. Including the decomposition of user side load, the user side load fluctuation form is comprehensively measured, and the user side load characteristics is summarized in time period, the two-way matching between emergency power vehicle specification and user is carried out, with the best output interval of emergency power vehicle as target, the best emergency power vehicle is selected by formula calculation matching. It determines priority order according to the time characteristics of general load, accesses in time, controls in all time period, realizes the safe and dynamic matching of source-load, so that when comprehensive uninterrupted power operation is carried out, user side load is just in the best output interval of emergency power vehicle, emergency power vehicle works in the best output interval, improves power supply efficiency and safety, improves power supply reliability. It is suitable for the management field of comprehensive uninterrupted power operation based on emergency power vehicle.

The utility model relates to the technical field of electrical control, in particular to a mobile square cabin electrical control box, which comprises a power supply module, a motor driving module, a control module and a connecting module, and is characterized in that the power supply module is respectively connected to the motor driving module and the control module through the connecting module; the power supply module comprises a battery pack, a mains supply access interface, an inverter and a switching power supply, the connection module comprises a power supply interlocking change-over switch, a grounding terminal strip and an air conditioner, the mains supply access interface is connected to the inverter, one path of output end of the inverter is connected with the base station equipment, and the other path of output end of the inverter is connected with the power supply interlocking change-over switch. According to the utility model, through the first interlocking change-over switch and the second interlocking change-over switch, the flexible switching between the commercial power and the power supply of the battery pack is realized, and the working continuity of the mobile square cabin in various environments is improved.

The utility model discloses an intelligent ring main unit convenient for emergency power taking and rapid access, comprising a cabinet body, a side surface of the cabinet body is provided with a power taking mechanism, the power taking mechanism comprises a mounting plate, one side of the mounting plate is fixedly provided with a convex block, the inner side of the convex block is provided with a plurality of power taking sockets, the outer side of the convex block is surrounded by a protection member, and the protection member is connected with the convex block through a screw. A protruding cover cylinder is fixedly arranged on the outer side of the protection piece, two sliding covers are arranged on the outer side of the protection piece, and magnets are arranged on the inner sides, close to each other, of the two sliding covers. The device has the advantages of being simple in operation step, convenient to take electricity and good in efficiency.

A controllable electrical outlet may comprise a resonant loop antenna. The resonant loop antenna may comprise a feed loop electrically coupled to a radio-frequency (RF) communication circuit and a main loop magnetically coupled to the feed loop. The controllable electrical outlet may comprise one or more electrical receptacles configured to receive a plug of a plug-in electrical load and may be configured to control power delivered to the plug-in electrical load in response to an RF signal received via the RF communication circuit. The RF performance of the controllable electrical outlet may be substantially immune to devices plugged into the receptacles (e.g., plugs, power supplies, etc.) due to the operation of the resonant loop antenna. For example, degradation of the RF performance of the controllable electrical outlet may be less when the controllable electrical outlet includes the resonant loop antenna rather than other types of antennas.

To make it possible to use equipment at consumers whose power consumption is difficult to control, as a resource for adjusting the supply and demand balance in a power grid.SOLUTION: A power supply and demand control system adjusts the supply and demand balance of a power grid using equipment at the consumer's site. The equipment includes general load equipment and a storage battery connected to the power grid, and a charge and discharge control device that controls the charging and discharging of the storage battery. A load monitoring control device that is communicatively connected to the general load equipment and the charge and discharge control device receives adjustment commands for the consumer's load from a power grid's supply and demand adjustment server, obtains measured values of the load at the consumer's receiving point, and controls the operation of the general load equipment such that the load becomes a target load of the adjustment command. The load monitoring control device also controls the charge and discharge control device to charge or discharge the storage battery so as to eliminate the difference between the load and the target load that cannot be eliminated by controlling the general load equipment.SELECTED DRAWING: Figure 6

The present disclosure relates to a backup power management system and a backup power management method. The backup power management system comprises a power supply unit, a backup power unit, a system control unit and a power monitoring unit. The power supply unit supplies power to an electrical device by an external power source. The backup power unit supplies power to the electrical device when the power supply unit fails to supply power to the electrical device. The power monitoring unit monitors the status of the power supply unit and the backup power unit to transmit a supplemental charging information to the system control unit when the power supply unit is able to supply power normally and the remaining power of the backup power unit is lower than a preset supplemental power threshold, for the system control unit to determine a supplemental charging strategy of the power supply unit to the backup power unit. The system control unit determines the supplemental charging strategy based on a comparison of a load rate of the external power source and a preset load rate threshold. The power monitoring unit receives the supplemental charging strategy from the system control unit and controls the power supply unit to perform supplemental charging to the backup power unit according to the supplemental charging strategy.

The disclosure relates to systems and methods for managing data generated by connected systems and / or devices in connection with energy usage and / or management decisions. In certain embodiments, a gateway device in communication with one or more connected devices may be configured to receive energy management signal information and apply one or more policies in connection with the management of the connected devices. Responses generated in connection with such energy management decisions may be reported securely in a manner that respects various stakeholder concerns relating to transparency, confidentiality, privacy, auditability, and / or affirmation of data provenance.

This invention relates to a long-distance power supply system and method for a coal mining machine. The system includes a mobile substation, a remote switch control device, a main cable, and a coal mining machine connected in sequence. The remote switch control device includes a frequency converter and first to fourth switches. The coal mining machine includes left and right cutting motors and a third contactor, a traction transformer, a control transformer, a UPS power supply, and a coal mining machine control system connected in sequence. The left and right cutting motors are respectively connected to the upstream line of the third contactor via the first and second contactors. The method includes first turning on the UPS power supply to power on the coal mining machine control system, pressing the start buttons of the left and right cutting motors to engage the first and second contactors, pressing the main start button to close the first, second, and third remote switches in sequence, soft-starting the left and right cutting motors, closing the fourth switch, opening the third switch, and closing the third contactor. This invention enables long-distance power supply to the coal mining machine while ensuring the normal start-up of the cutting motors.