104 results about "Energy sharing" patented technology

A device and a method for an energy sharing network may include an energy store configured to store energy; an energy transmitter-receiver configured to transmit energy and energy related information to at least one neighbor device and to receive energy and energy related information from at least one neighbor device; and a controller configured to control the energy transmitter-receiver based on a predetermined condition.

The invention discloses a battery capacity grading and forming system which comprises a DC/DC (Direct Current to Direct Current) bidirectional converter set and AC/DC (Alternate Current to Direct Current) high-frequency isolation bidirectional converters. The DC/DC bidirectional transform group comprises DC buses, a plurality of cells and DC/DC bidirectional converters with the same number of the cells; the AC ends of the AC/DC high-frequency isolation bidirectional converters are connected with an AC power grid; the DC ends of the AC/DC high-frequency isolation bidirectional converters are connected with the DC buses; one ends of the DC/DC bidirectional converters are electrically connected with the DC buses; and the other ends of the DC/DC bidirectional converters are connected with the cells. For conveniently applying the system, the AC/DC high-frequency isolation bidirectional converters can be connected in parallel. According to the invention, the AC/DC high-frequency isolation bidirectional converters are adopted, so that the safety isolation of a system common bus and the power grid is implemented; by control and setting of an upper computer, one part of DC/DC bidirectional converters charge the cells and the other part of DC/DC bidirectional converters discharge the cells, so that the energy sharing on the common DC bus is implemented, the energy does not need to be fed back onto the power grid and the impact and the harmful effects on the power grid can be reduced.

A district energy sharing system (DESS) comprises a thermal energy circuit which circulates and stores thermal energy in water, at least one client building thermally coupled to the circuit and which removes some thermal energy from the circuit ("thermal sink") and/or deposits some thermal energy into the circuit ("thermal source"), and at least one thermal server plant that can be thermally coupled to external thermal sources and/or sinks (e.g. a geothermal ground source) and whose function is to maintain thermal balance within the DESS.

The invention discloses a resource allocation method for small energy harvesting base stations based on a coalition game. The method is characterized in that a model of the small energy harvesting base stations is first constructed, wherein the neighboring small base stations are connected through transmission lines for information exchange and energy transfer; and the non-overlapping coalition game is then established for the problems of energy sharing and time allocation of the small base stations, wherein the small base stations with the energy harvesting capability serve as game participators, strategies serve as coalitions that the small base stations join, a utility function of each small base station is defined as the spectrum efficiency of the small base station for information transmission within a period allocated in the coalition that the small base station joins, and the utility of each coalition is the sum of the utilities of the small base stations joining the coalition.The method adopting the technical scheme has the advantages that the information exchange and energy sharing can be achieved through the transmission lines; and the small base stations joining the same coalition can share transmission times and harvested energy, and the small base stations meeting transfer conditions can transfer among the coalitions, so that the benefits of the corresponding small base stations and the total benefits of the corresponding coalitions can be improved, and the maximum system utility can be achieved.

A shared power system includes a power router; a plurality of power input devices respectively connected to the power router; a first diode coupled between the power router and an output; a second diode coupled between a DC grid and the output; wherein the power router can provide power to the output by conducting the first diode when voltage of the power router is higher than the DC grid, and the DC grid can provide power to the output by conducting the second diode when voltage of the DC grid is higher than the power router. The power router can further determine the energy ratio between each power input device to achiever the energy-sharing.

The invention discloses an energy Internet information platform based on Spark and application thereof. The energy Internet information platform comprises a Spark Streaming module which is used for finishing receiving data and detecting, filtering and analyzing the data rapidly; a memory parallel computing module which is connected with the Spark Streaming module and is used for finishing various general analysis algorithms through utilization of a memory computing technology of the Spark; a distributed file module which is connected with the memory parallel computing module and is used for finishing real-time big data computing analysis and finishing a scheduling algorithm, dynamic prediction and security analysis, wherein through utilization of big data, purchase quantity of power or other energy is analyzed, energy consumption is predicted, energy users are managed, the energy efficiency is improved and the energy cost is reduced; and an application module which is connected with the memory parallel computing module and is used for providing energy sharing and sharing service for a client. According to the platform and the application, the high-efficiency processing of the real-time big data is ensured, and the high-efficiency analysis of the real-time big data in the energy Internet is finished.

A system for power balance monitoring in an energy storage battery comprising a plurality of energy modules connected in a series-parallel configuration. The energy storage module comprises a plurality of cells. Each module is a three-terminal module. The three terminals comprise a positive output terminal and a negative output terminal for connecting the modules in a series string to a load and an energy sharing terminal for sharing energy between modules is other battery strings. A module power management sub-system comprising a current monitoring circuit is connected to each of the energy sharing terminals. Each module power management sub-system is in communication with a battery power management sub-system so that a weak module can be detected based on module current output. Advantageously, the module power management sub-system is not connected across the main power pathway of the module and so does not appreciably increase module impedance.

The invention discloses a 5G base station microgrid optical storage system capacity optimization configuration method based on energy sharing, and belongs to the technical field of optical storage system capacity optimization. The 5G base station microgrid optical storage system capacity optimization configuration method comprises the steps of: 1, analyzing operation and power generation characteristics of a 5G base station microgrid, including a base station load space-time characteristic model, a base station micro-grid operation characteristic based on a dormancy mechanism, a photovoltaic power generation model and a base station backup battery energy storage model; 2, establishing a double-layer model of an outer-layer model and an inner-layer model in energy storage configuration based on energy sharing; and 3, solving the double-layer model established in the step 2. According to the 5G base station microgrid optical storage system capacity optimization configuration method, the utilization rate of the photovoltaic and 5G base station standby battery can be improved, the capability of the 5G base station participating in peak clipping and valley filling of the power grid is improved, meanwhile, the 5G electric power expense is reduced, the upgrading and reconstruction of the power grid are delayed, and mutual benefit and win-win between a 5G operator and the power grid are achieved.

The invention discloses an energy sharing and power distribution method of an EH distributed base station system. A definition is shown in the description, N is the number of remote antenna elements;M is the number of antennas configured for each remote antenna unit; gi is an M * 1 dimension channel vector; wi is a beamforming column vector of the remote antenna element i, the length is M and | |wi | |<2>=1. The method is obtained by solving the following optimization problem: (shown in the description). The present invention can realize the share of the collected energy of the EH distributebase station system among the components within the system, on the premise of minimizing the power supply of smart grid, the optimal power distribution can be obtained and the transmission rate of the system can be improved. Moreover, by preferentially using the collected energy, the dependency on smart grid and the cost of distributed base station system are reduced.

The invention discloses a multi-user energy sharing method based on an electricity-light-biogas multi-energy coupling system, and the method comprises the following steps: building an electricity-light-biogas multi-energy complementary sharing framework which comprises an energy hub unit, a user energy sharing unit and a market bidding unit; establishing a double-layer planning model based on theelectricity-light-biogas multi-energy complementary sharing framework, the objective function of an upper-layer planning model of the double-layer planning model is the maximum profit of the energy hub unit, and the objective function of a lower-layer planning model of the double-layer planning model is the maximum satisfaction degree of user energy consumption; and formulating optimal schedulingarrangement and optimal pricing by utilizing the double-layer planning model so as to maximize the profit of the energy hub unit. The method solves the problems of waste and low utilization rate of wind energy, light energy, biomass energy and the like, ensures that the energy hub unit can obtain the maximum profit, and realizes win-win of users and the energy hub unit.

The invention discloses a self-drying biomass particle granulating device which comprises a box body; a hollow cylindrical rotating seat and a feeding cavity are arranged on the upper portion of a partition plate of the box body, feeding blades are arranged on the inner wall of the rotating seat, lifting blades are arranged on the outer wall of the rotating seat, and a lifting screw rod and a stirring rod are arranged between the cylindrical rotating seat and the feeding cavity. The biomass particle granulation device is used for granulation of biomass particles and drying of biomass materials, multiple procedures such as secondary stirring, drying, feeding and cooling in biomass particle processing can be completed, the drainage performance of the materials can be improved, the drying effect is better, energy sharing of multiple functions is achieved in the process, and the existing equipment can be replaced in actual production of biomass particles, and the equipment cost is saved.

The invention described herein generally pertains to a system and method for utilizing a power source of an engine driven welder as a portion of a power supply for a hydraulic device associated with a vehicle. The hydraulic device can be incorporated into a vehicle, a stand-alone device, or a combination thereof. One or more controllers can manage power distribution and identify power sources for the hydraulic device based upon a parameter.

The invention relates to a double-oven electromagnetic oven with electromagnetic heating power balance function, comprising two oven ends of a left oven and a right oven; wherein the left oven comprises a left oven main circuit board and a left oven control circuit board, the right oven comprises a right oven main circuit board and a right oven control circuit board, and the left oven control circuit board is connected with the right oven control circuit board by an interface circuit. The invention adds the interface circuit between the left oven and the right oven and realizes double-oven electromagnetic oven power balance, namely the aim of energy sharing, through communication between the two oven ends. The invention can effectively solve the problem that civil power supply capacity ison small side.

The invention discloses a household multi-microgrid system optimization control method based on event-driven automatic demand response. The method comprises the steps of: building a multi-microgrid system model according to the power supply and consumption information of a supply side and a demand side of a household multi-microgrid system; analyzing the operation condition of the household multi-microgrid system, determining an event type and a triggering condition, and establishing an event triggering mechanism; establishing a household resource scheduling model for the event type in the microgrid, and guiding a network access load to complete self power consumption optimization by taking the lowest daily operation cost of the household microgrid as a target and combining the real-time electricity price and the scheduling potential; and establishing an energy sharing model for power interaction between microgrids, calculating the energy level of each sub microgrid in the system withthe purpose of maximizing the overall interaction benefit of the system, and deciding the interaction power between the microgrids according to the historical participation degree and related scheduling criteria of the sub microgrids. According to the invention, the operation cost of the household multi-microgrid system is effectively reduced, the renewable energy consumption rate of the system isimproved, and the automatic demand response of the system is achieved.

The invention discloses an active power distribution network electric power market double-layer transaction method based on energy sharing. The method comprises the following steps that a market participation subject performs a self-generated bilateral transaction according to the own requirements; if not, the power consumption and the power generation amount are reported to a distribution network operator; the distribution network operator takes distribution network area resource configuration optimization as a target, solves an optimization model, and distributes the optimization model in a corresponding distribution network area; for each region where the total power generation amount is not matched with the power demand, a distribution network operator participates in the wholesale side market to purchase and sell power and provide auxiliary services by taking benefit maximization as a principle; an operator in the wholesale side market carries out settlement on all received bids and prices; and the distribution network operator redistributes the bid winning in the distribution network range according to a resource optimal configuration principle, and distributes the bid winning in the wholesale side market according to contribution. According to the invention, the resource waste, such as wind abandoning, light abandoning, etc., is avoided, the users in the distribution network area can benefit from the resource waste, and the energy utilization efficiency is improved.

The invention relates to a multi-user home energy sharing system based on an energy cloud. The system comprises a power grid, an accumulator energy cloud, a proxy side and a user side; the system disclosed by the invention unifies a home accumulator energy-storing system to the accumulator energy cloud; the user side rents the accumulator battery with the corresponding capacity as required, the investment, the maintenance and the management of the accumulator energy cloud are proxied by the proxy side; the user side adding in the accumulator energy cloud can directly sale redundant electric energy stored by the accumulator to the proxy side; and the condition that a converter with high requirement is required for selling the redundant electric energy to the power grid by the user side canbe avoided in the whole process. Compared with the prior art, the system disclosed by the invention is low in cost, simple in operation, capable of being renting and booking as required, and effectively avoiding the problem in the tradition home accumulator energy-storing system, and the system is in favor of promoting the smart power grid and developing the energy internet.

The invention discloses a vehicle-mounted composite power supply power distribution optimization method. The method comprises the following steps: acquiring the states of charge of a storage battery and a supercapacitor and the required power of a load of an electric vehicle in the running process in real time; determining a value range of a weighting factor of the storage battery power and the supercapacitor power in the power distribution process according to a multiple reasoning rule; establishing a target function, and setting constraint conditions; searching a search space formed by the value range by adopting a double chaotic algorithm to obtain an initial value of the weighting factor; adopting a harmony optimization algorithm to obtain an optimal solution of the weighting factor inthe value range; determining the power required to be provided by the storage battery and the supercapacitor in the current running state; judging whether energy loss exists in the storage battery orthe supercapacitor or not, and if yes, conducting energy exchange according to an energy sharing mechanism, so that the composite power supply can meet the dual requirements of the electric vehicle for energy and power.

The invention belongs to the technical field of energy internet and specifically relates to a structure of an energy internet terminating controller. According to the invention, an energy internet is integrated by the aid of an information internet (INTERNET) so as to realize an equal or even better effect of the information internet in interaction, communication, share and transaction of power energy. The information network is utilized for realizing customized time-space economy equity and energy equal interaction and sharing is achieved with the support of the energy network. Through interconnected checking and regulating of the energy internet terminating controller on energy bidding results communicated in a wide area, energy interconnection is achieved in an energy sharing transmission way. Therefore, being different from that the information internet determines partners and performs interaction of customized information content with an uncertain effect through an information network router, the energy internet realized in the technical scheme determines effect through the terminating controller and achieves sharing interaction having customized targets and determined effect. The invention becomes an efficient and practical valid method for constructing the energy internet and provides beneficial contribution for construction of the energy internet.

The invention provides a mobile carrier integrated interface device, and belongs to the technical field of on-orbit construction. The mechanical claw is embedded into a groove in the bottom of the inner Z-shaped circular ring after extending; the circular ring and the inner Z-shaped circular ring are embedded and are connected through a bolt; the edges of the inner Z-shaped circular ring and the outer Z-shaped circular ring are embedded and connected through a bolt; the upper ends of the supporting ribs are connected with the outer Z-shaped circular ring through rib threaded hole bolts, the lower ends of the supporting ribs are fixedly connected with the female head support, the center of the female head support is a round hole, the radius of the round hole is equal to the outer diameter of the support hollow pipe, the support hollow pipe is placed in the round hole, the spring is placed between the support hollow pipe and the female head support, and the female head is fixedly connected. Mechanical fixation of the mobile carrier in a working state and energy sharing and information interaction between the carrier and a host satellite are thoroughly realized, and the mobile carrieris an important component for realizing a mobile carrier technology.

The present application provides a modal switching method, a modal switching device and a back-to-back device. The modal switching method comprises the following steps: detecting whether a fault occurs in a first low-voltage AC distribution network in real time; if no fault is detected in the first low-voltage AC distribution network, judging whether the received signal from the second converter is a signal the second low-voltage AC distribution network is faulty; and if the received signal from the second converter is a signal that the second low-voltage AC distribution network is faulty, switching the first control mode of the first converter to the third control mode. According to the model switching method provided by the embodiment of the present application, by adoption of a power-voltage control seamless mode switching strategy, when the fault occurs in the low-voltage AC distribution network, the current power control mode can be seamlessly switched to the voltage control mode,which is not only little affected by the fault detection closing value and communication delay, but also can smoothly and reliably realize the fault mode switching, and the reliability of energy sharing between the interconnected low-voltage AC distribution networks can be improved.

The invention discloses a power distribution method for an energy-sharing EH distributed base station system. The technical scheme includes the steps: when the channel condition is good, more energy is distributed to the remote control unit, and when the channel condition is not good, less energy is distributed to the remote control unit, so that dynamic control over energy utilization is achieved, and utilization of collected energy is optimized. According to the power distribution method, dynamic balance between borrowing energy from the smart power grid and transmitting energy to the smartpower grid is realized, and the energy is preferentially used for sharing, and the power supply of the smart power grid can be reduced, and the dependence on the smart power grid and the use cost of the distributed base station system are reduced.

The invention relates to the technical field of energy system optimization scheduling, in particular to a distributed optimization method, device and equipment for an integrated energy system and a storage medium. Establishing a distributed optimization scheduling model of a plurality of interconnected energy hubs; based on a homomorphic encryption algorithm and an alternating direction multiplier method, optimizing the distributed optimization scheduling model of the plurality of interconnected energy hubs to obtain an optimization result; and according to an optimization result and an interaction relationship between the information layer and the physical layer, controlling the output of each capacity unit in the region of the integrated energy system and the operation state of each node of the multi-energy network to reach the optimal state, and sharing the optimal energy among multiple regions of the integrated energy system. Therefore, the problem of privacy leakage in the information interaction process between the interconnected energy hubs is solved, the convergence of the proposed algorithm is guaranteed, multi-energy optimal energy sharing is realized, and the method has good application value.

The invention discloses a modularized water rescuing robot which is connected through a connecting unit, and each connecting port is connected with both a male head and a female head of a connecting buckle, so that the reliability and the flexibility of the connecting ports are improved. In addition, not only is physical connection achieved by using the modularized water rescuing robot, and sharing of energy and data and control synchronism can be also achieved. By using the small-size rescuing robot, a large range can be searched in life rescuing, the robots can be mutually connected on a rescuing site, a large rescuing platform can be provided, and diverse technical options can be provided for sea rescuing. Due to energy sharing of the small-size rescuing robot, the rescuing capability of a whole rescuing robot team can be improved, and the power charge speed can be also increased.