CN202009272U - Layered distributive power grid system - Google Patents

Layered distributive power grid system Download PDF

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Publication number
CN202009272U
CN202009272U CN2011201462226U CN201120146222U CN202009272U CN 202009272 U CN202009272 U CN 202009272U CN 2011201462226 U CN2011201462226 U CN 2011201462226U CN 201120146222 U CN201120146222 U CN 201120146222U CN 202009272 U CN202009272 U CN 202009272U
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circuit
unit
interface
power supply
distributed power
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叶敏
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HANGZHOU LVAN INTELLIGENT GRID TECHNOLOGY CO LTD
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HANGZHOU LVAN INTELLIGENT GRID TECHNOLOGY CO LTD
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S40/00Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
    • Y04S40/12Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
    • Y04S40/126Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S40/00Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
    • Y04S40/12Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
    • Y04S40/128Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment involving the use of Internet protocol

Abstract

The utility model provides a layered distributive power grid system. Each unit system comprises a parameter measuring unit, a node parameter communication unit, an information processing unit, a scheduling unit, a distributive energy access unit, a load output unit and a storage battery pack consisting of a plurality of groups of single-group controllable storage batteries. One unit system on a bottom layer is connected with unit systems on the same layer or on an upper layer, so that the layered distributive intelligent power grid system is formed.

Description

Level distributed power grid system
Technical field
The utility model relates to the intelligent grid technical field, particularly relates to a kind of level distributed power grid system.
Background technology
In recent years, intelligent grid one of develops as the national strategy of various countries, is given more sustained attention.So-called " intelligent grid " is meant a kind of network system that can obtain more intelligently with electrical power distribution.Intelligent grid is allowed the access of various dissimilar generatings and energy-storage system, impels electricity market flourish.Intelligent grid can be managed as parameters such as the energy, capacity, volume change rate, trend obstructions most effectively by the interaction of Supply and Demand on the market, reduces trend and blocks, and enlarges market.In addition, intelligent grid is optimized its assets application, makes operation more efficient.
Traditional electrical network being transformed into the intelligent grid of a new generation safety, efficient and environmental protection, and forming new technical industry, is the important channel that national economy makes the transition, and is considered the important motivity of reinventing economy and energy general layout.
The core of intelligent grid is to make up the intelligent network system of unified networking of the various energy resources that possesses intelligent decision and adaptive adjustment capability and distributed management, can monitor in real time and gather electrical network and user power utilization information, and adopt most economical and safest power transmission and distribution mode to give the terminal use with power delivery, realization improves the reliability and the efficiency of energy utilization of power grid operation to the allocation optimum and the utilization of electric energy.
The kind of distributed power source (DER) is a lot, comprises small power station, wind power generation, photo-voltaic power supply, fuel cell and energy storage device.Because distributed power source (as solar energy and wind power generation) is subjected to the influence of natural conditions, electric energy output is discontinuous also extremely unstable.For addressing this problem, power plant must electric power storage and inversion send electric aspect the cost great amount of investment, and effect is also not ideal, causes very big waste.How how maximum the returns of investment of performance clean energy resource make unsettled power supply can satisfy the needs that people use, and is the problem that the whole world that clean energy resource effectively utilizes is paid close attention to.In general, its capacity of distributed power source (DER) is from 1kW to 10MW.Distributed power source in the power distribution network (DER) therefore is widely adopted owing near load center, reduced the needs to the electrical network expansion, and improved power supply reliability.Particularly help to alleviate the distribution type renewable energy of greenhouse effect, under the support energetically on many national government policies, increase rapidly.
A large amount of distributed power sources also moves on the net in middle pressure or low-voltage distribution; thoroughly change the characteristics of traditional unidirectional trend of distribution system, required system to use new protection scheme, voltage control, instrument and intelligentized more novel supply network to satisfy the needs of two-way trend.
Because intelligent electric meter is based on the existing electric power supply system basis, the limitation of prior art and product and deficiency in addition, this supply power mode based on existing electrical network basis is to carry out the intellectuality power supply by the centralized management pattern, power supply and guides user are understood the ground electricity consumption that saves money though can realize becoming more meticulous limitedly, its effect of the intelligent grid that achieves is very limited, and a lot of advantages of intelligent grid and technology can't realize.For existing electrical network, the user is difficult to freely insert clean energy resourcies such as wind-powered electricity generation and solar-electricity, more difficultly finish intelligent power supply of allotment in real time and electricity consumption plan, the fusion of distributed power source (DER) and existing electrical network, if still have only existing supply of electric power side to participate in, just be difficult to break away from the constraint of above-mentioned pattern, be difficult to breakthrough, be subjected to the influence of natural conditions as solar energy and wind power generation, electric energy output is discontinuous also extremely unstable, for addressing this problem, power plant must electric power storage and inversion send electric aspect the cost great amount of investment, and effect is also not ideal, causes no small waste, can not maximum bring into play the returns of investment of clean energy resource, nor can reach excitation user's effect.Advanced more in order to realize, effective more intelligent grid.For this reason, the utility model proposes a kind of level distributed power supply smart grid system.
The utility model content
For overcoming the above-mentioned deficiency of prior art, the utility model has been constructed a kind of intelligent grid, but make it have self-healing, real-time monitoring and metering scheduling arranged, can the excitation user, can resist attack, allow the access and the interconnected mutual confession of the various different forms of electricity generation that comprise new forms of energy.
The key points in design of level distributed power supply smart grid of the present utility model system is: the cellular system that this power supply smart grid system adopts information process unit, scheduling unit, distributed power source access unit, parameter measurement module, load output unit and node parameter communication unit and is made of the level distributed power supply smart grid the batteries that the many groups of controlled storage batterys of single group are formed.
Level distributed power supply smart grid of the present utility model system is characterized in that, this power supply smart grid system comprise have following element cellular system: information process unit; Scheduling unit; The distributed power source access unit; Parameter measurement unit; The load output unit; Node parameter communication unit, and the batteries of forming by the many groups of controlled storage batterys of single group; Wherein, described information process unit links to each other with scheduling unit, node parameter communication unit, parameter measurement unit by the system bus circuit, and links to each other with the node parameter communication unit by the node parameter communication unit or by computer network; The real time data information that the parameter measurement data message and the node parameter communication unit of parameter measurement unit collection are received, be that basis is analyzed, handled by the data message and the requirement of program and data storage saved software and keying circuit setting in advance, and send corresponding distribution dispatch command; Wherein, described information process unit, scheduling unit, distributed power source access unit, parameter measurement unit, load output unit and the two-way intelligence communication of grid nodes parameter unit, all adopting with the microprocessor is the embedded system of core, and has the independent CPUs processor respectively.
According to above-mentioned level distributed power supply smart grid system, in described cellular system, be connected with the load output unit of upper strata or same layer cellular system by distributed power source access unit the bottom floor units system, the load output unit of bottom floor units system is connected with the corresponding distributed power source access unit of upper strata or same layer cellular system, and the node parameter communication unit of each cellular system is connected the distributed power supply smart grid of level shown in formation system with Wireless/wired communication network by computer network.
But level distributed power supply smart grid of the present utility model system has self-healing, real-time monitoring and metering scheduling is arranged, and can encourage the user, can resist attack, allow the access and the interconnected mutual advantage such as supply of the various different forms of electricity generation that comprise new forms of energy; In intelligent grid, the user can also turn from a guest into a host, and becomes the power supplier, makes the electric power of the solar energy electroplax production on user roof reach the unified dispensing of electrical network, is user's creation of value.
Description of drawings
Fig. 1 is a cellular system block diagram of the present utility model;
Fig. 2 is that a cellular system of the present utility model is connected the networking block diagram with last level cellular system, and A, B are system unit among the figure;
Fig. 3 is classical group screen frame figure of the present utility model;
Fig. 4 is the theory diagram of information process unit of the present utility model;
Fig. 5 is the theory diagram of scheduling unit of the present utility model;
Fig. 6 is the theory diagram of distributed energy access unit of the present utility model;
Fig. 7 is the theory diagram of parameter measurement unit of the present utility model;
Fig. 8 is the theory diagram of load output unit of the present utility model;
Fig. 9 is the theory diagram of node parameter communication unit of the present utility model.
Embodiment
As shown in Figure 1, the cellular system of level distributed power supply smart grid of the present utility model system comprises: information process unit 11, scheduling unit 12, distributed energy access unit 13, parameter measurement unit 14, load output unit 15 and node parameter communication unit 16, and the batteries of being made up of the many groups of controlled storage batterys of single group 17.
As shown in Figure 2, in the present embodiment, the cellular system of a level distributed power supply smart grid system is connected with last level cellular system.As an example, Fig. 2 cellular system A of showing level distributed power supply smart grid system is connected the schematic diagram of networking with last level cellular system B.
As an example, cellular system A of the present utility model can comprise: information process unit 11, intelligent scheduling unit 12, distributed energy access unit 13, parameter measurement unit 14, load output unit 15, node parameter communication unit 16, plurality of groups of storage batteries group 17, INTNET network 08, Wireless/wired communication network 09 are formed; Last level cellular system B is mainly by information process unit 21, intelligent scheduling unit 22, distributed energy access unit 23, parameter measurement unit 24, load output unit 25, node parameter communication unit 26, plurality of groups of storage batteries group 27, INTNET network 08, Wireless/wired communication network 09.
By the distributed energy access unit 13 of cellular system A and the load output unit 25 of last level cellular system B, and, the cellular system A of above-mentioned level distributed power supply smart grid system and the networking that is connected of last level cellular system B have been realized by being connected of the node parameter communication unit 16 of the cellular system A node parameter communication unit 26 by INTNET network 08 or Wireless/wired communication network 09 and last level cellular system B.
Fig. 3 is the typical case of a level distributed power supply smart grid system networking schematic diagram.As shown in Figure 3, the distributed energy access unit 213,223 of the load output unit 115 of last layer level cellular system A11 and the cellular system B of next each networking of level ..., 2n3 links to each other respectively; The load output unit 215,225 of the distributed energy access unit 113 of last layer level cellular system A11 and the cellular system B of next each networking of level ..., 2n5 links to each other respectively; The load output unit 215 of next level cellular system B21 links to each other with the distributed energy access unit 223 of same level cellular system B22, the load output unit 225 of next level cellular system B22 links to each other with the distributed energy access unit 233 of same level cellular system B23, the load output unit 2.n-1.5 of next level cellular system B2.n-1 links to each other with the distributed energy access unit 2n3 of same level cellular system B2n, the load output unit 2n5 of next level cellular system B2n links to each other with the distributed energy access unit 213 of same level cellular system B21; Cellular system B21, the B22 of the node parameter communication unit 116 of last layer level cellular system A11 by INTNET network 08 or Wireless/wired communication network 09 and next each networking of level ..., B2n node parameter communication unit 216,226 ..., 2n6 links to each other respectively.
Next, with reference to the accompanying drawings, the structure of the main element (for example, information process unit 11, scheduling unit 12, distributed power source access unit 13, parameter measurement unit 14, load output unit 15, node parameter communication unit 16 and batteries 17) of the cellular system of level distributed power supply smart grid of the present utility model system is described.
As shown in Figure 4, information process unit 11 is based on microprocessor 1101, by bus 1112 and program and data storage 1102, communication drivers and gating circuit 1103, I/O drive circuit 1104, external memorizer interface circuit 1105, clock 1106 links to each other with unit power circuit 1107; Communication drivers also links to each other with interface 1109 with interface 1108 and system bus circuit with the standard traffic circuit with gating circuit 1103.I/O drive circuit 1104 connects display circuit 1110 and keying circuit 1111, be connected parameter measurement unit 14 by the system bus circuit with interface 1109, each input and the sensor information on each outlet line that are installed in distributed energy access unit 13 and load output unit 15 and is connected on the scheduling unit 12 of the batteries 17 that the controlled storage battery of the single group of many groups forms are gathered also analyzing and processing, and by node parameter communication unit 16 and computer network 08 and Wireless/wired communication network 09 real-time and supplier of electricity interactive information, compare according to the multipotency source power supply parameter of the power supply information that receives and classification tou power price data and monitoring in real time and to form the distribution instruction, this distribution instruction sends distributed energy access unit 13 and load output unit 15 to, according to the distribution instruction but the electric-controlled switch on each input and each outlet line is carried out break-make control, finish the instruction allotment requirement of electric power allotment.
Fig. 5 and Fig. 6 illustrate the structure of scheduling unit 12 and distributed power source access unit 13 respectively.
As shown in Figure 5, scheduling unit 12 is a core with microprocessor 1201, but links to each other with gating circuit 1213 with memory 1202, clock 1203, unit power supply 1204, A/D-D/A circuit 1205 electric-controlled switch groups 1211, I/O drive circuit 1208, communication drivers by bus 1214; And link to each other with charging circuit 1209, inverter circuit 1210 by I/O drive circuit 1208; Link to each other with sensor groups circuit 1206 by A/D-D/A circuit 1205; Storage battery interface group 1207 when connecting charging circuit 1209 and inverter circuit 1210, but also link to each other with sensor groups circuit 1206 with electric-controlled switch group 1211; The system bus circuit links to each other with gating circuit 1213 with communication drivers with interface 1212; Link to each other with distributed energy access unit 13 and load output unit 15 with interface 1212 by the system bus circuit, send the schedule driven instruction according to power scheduling instruction and requirement that information process unit 11 sends, distributed energy access unit 13 and load be after output unit 15 receives instruction, finishes the corresponding control of intelligent switch that can the synchronous break-make of automatically controlled execution; Be provided with multiport charging circuit and multiport inverter circuit and each port be provided with one can the synchronous break-make of automatically controlled execution intelligent switch, and link to each other with storage battery, control the break-make of respectively organizing intelligent switch on charging circuit and the inverter circuit with requirement according to charging, power transformation dispatch command that information process unit 11 sends.
As shown in Figure 6, distributed power source access unit 13 is a core with microprocessor 1301, by bus 1311 and multisensor circuit 1302, but protective circuit and electric-controlled switch group 1304, communication drivers and gating circuit 1305, clock 1308, unit power circuit 1309 links to each other with memory 1310; Distributed power source access interface group 1303 and multisensor circuit 1302, but all link to each other at each input port of power access end mouth group 1303 with protective circuit and electric-controlled switch group 1304; System bus and interface 1306 and standard digital telecommunication circuit and interface 1307 are connected on communication drivers and the gating circuit 1305; The feature of distributed power source access unit 13 is the ports with multiple power supply input; and in each port supply line the transducer that is used to monitor electrical quantity and temperature parameter is housed, but and by the electric-controlled switch group 1304 with protective circuit constitute can the synchronous break-make of automatically controlled execution intelligent switch and be controlled by scheduling unit 12 by system bus and interface 1306.
Fig. 7 illustrates the exemplary configurations of parameter measurement unit 14.This parameter measurement unit 14 constitutes embedded system by microprocessor 1401, and by bus 1410 connected storages 1402, A/D-D/A circuit 1403, communication drivers and gating circuit 1405, clock circuit 1408 and unit power circuit 1409; Connect parameter measurement circuit and interface group 1404 by A/D-D/A circuit 1403; Link to each other with interface 1407 with the standard digital telecommunication circuit with interface 1406 with system bus with gating circuit 1405 by communication drivers; The transducer that is used to monitor electrical quantity and temperature parameter in the supply line by system bus and interface 1406 and parameter measurement circuit and interface group 1404 and each port that is installed in multiple power supply input and charging circuit and inverter circuit links to each other, the transducing signal that the pick-up transducers circuit sends, and convert transducing signal to data message by analog to digital conversion circuit A/D-D/A circuit 1403, by using for information process unit 11 after the microprocessor processes.
In addition, as shown in Figure 8, load output unit 15 serves as the control core with microprocessor 1501, by bus 1513 connected storages 1502, clock 1503, unit power circuit 1504, sensor groups circuit 1505, metering circuit 1507, I/O drive circuit 1508 and communication drivers and gating circuit 1509; Connect input power switch control group 1511 and output power control switch group 1512 by I/O drive circuit 1508, also be respectively equipped with electric power protection circuit for input and output and port set 1506 in input power switch control group 1511 and output power control switch group 1512; Port inboard in electric power protection circuit for input and output and port set 1506 is connected with metering circuit 1507 with sensor groups circuit 1505 respectively; Be connected with system bus interface 1510 with gating circuit 1509 by communication drivers; Be characterized in providing each port of multiple user power supply output by electric power protection circuit for input and output and port set 1506; and be equipped with in each port supply line can automatically controlled execution synchronous switching off intelligent switch input power switch control group 1511; output power control switch group 1512, and be controlled by microprocessor 1501 and finish electric power allotment output of flexible AC transmission and HVDC Light with this.
Fig. 9 illustrates node parameter communication unit 16.This node parameter communication unit 16 is a core with the embedded system that microprocessor 1601 constitutes, by bus 1612 and I/O drive circuit 1602, and communication drivers and gating circuit 1603, memory 1604, clock 1605 and unit power circuit 1606 link to each other; Connect radio communication circuit and interface 1607 respectively by I/O drive circuit 1602 again, network communications circuits and interface 1608 and telecommunication path circuit and interface 1609; Link to each other with interface 1611 with system bus interface circuit 1610 and standard traffic circuit with gating circuit 1603 by communication drivers; It is characterized in that by radio communication circuit and interface 1607, network communications circuits and interface 1608, telecommunication path circuit and interface 1609, the RS485 of communication drivers and gating circuit 1603 and standard traffic circuit and interface 1611 and standard, RS232, USB, INTNET computer network and GSM, CDMA, the Wireless/wired communication network of 3G and ISDN links to each other, or link to each other with the internal proprietary computer network by the corresponding interface, realization links to each other with the node parameter communication unit of same layer or upper strata or lower floor, be integrated into the distributed power grid communication system, carry out high speed, two-way, reach dynamic and intelligent communication in real time.
In addition, for batteries 17, the utility model is provided with the batteries 17 that the controlled storage battery of the single group of many groups is formed, the controlled batteries of the single group of many groups is set at the work batteries by four operating states, ready batteries, prepare batteries and one group of above standby battery group formation, the relevant parameter that the operating state of every group storage battery is gathered according to the sensor groups circuit 1206 of monitoring electrical quantity that is provided with and temperature parameter by the scheduling unit 12 that links to each other is set, and carries out break-make control by intelligent switch group 1211 that can the synchronous break-make of automatically controlled execution with charging circuit 1209 and inverter circuit 1210.
After system of the present utility model sets up, the multiple power supply of distributed power source is distinguished on the corresponding interface of independent access distributed power source access unit, as required electrical appliance is connected on the output interface of intelligent control load cell again.And, be connected with the load output unit of same layer and upper unit system by the distributed power source access unit of this layer cellular system, what input was supplied as electric power is a kind of; Simultaneously, be connected a kind of as electric power output supply with distributed power source access unit with layer and upper unit system by the load output unit of this layer cellular system.Node parameter communication unit by each cellular system links to each other with computer network again, has just constituted the level distributed power supply smart grid.After system opens, by information process unit system is carried out self check and initialization earlier, and call corresponding software by agreement and real time information and handle and generate scheme of electric power and corresponding dispatch command.As: can preestablish the donor and specify the zero energy consumption power supply of execution at first preferential, power supply is taken second place at a low price, conventional electricity once more etc., the power supply that other suboptimums are connected in the power supply of automatic isolated fault power supply when running into certain power failure, allotment is powered and is sent corresponding failure information notice relevant departments.
Because under distributed power source electrical network condition, for the flexibility of electrical network and user's independence, each unit all has a plurality of multiple power input mouths and a plurality of multiple output port of power source, when normal operation, to finish a plurality of task handling and control simultaneously; For this reason, the cellular system of level distributed power supply smart grid of the present utility model system, each unit all has independently microprocessor, respectively to passing through the judge data of software set in advance, comparison and computational methods or according to real-time reception with measure parameters of electric power, the data message of power supply plan and ladder electricity price continuously dynamically updates automatically, be in operation the online data signal is carried out respective handling and judge according to the method for software set, in time evaluate and test the combination distribution of grid supply quality and the various electricity powers of optimization, the problem that maybe will take place that discovery has existed, immediately according to the method for software set take measures automatically again distribution and scheduling, controlled in real time or corrected, realized the intelligent management and control that each functional unit of cellular system is parallel with asynchronous communication means by system bus.
Level distributed power supply smart grid of the present utility model system can realize intelligent management and control automatically by the mode that is provided with; And after can handling according to the information of real time communication information, donor's appointment or collection, the dynamic new scheme of electric power that generates, the new distribution of readjusting and send power supply and electricity consumption instructs.Making system remain the rational utilization of electricity pattern of best and cost-saving, be user's cost saving, is that society saves resource, improves the utilance of distributed energy greatly; Not only disperse the investment of distributed energy electrical network, and reduced the cost of investment that distributed power source uses.
Above-described structure and processing only are exemplary, and are not to be used to limit scope of the present utility model.Those skilled in the art will appreciate that and to carry out various changes to the utility model, and do not break away from spirit and scope of the present utility model.

Claims (9)

1. a level distributed power supply smart grid system is characterized in that, this power supply smart grid system comprises the cellular system with following element:
Information process unit;
Scheduling unit;
The distributed power source access unit;
Parameter measurement unit;
The load output unit;
The node parameter communication unit, and
Organize the batteries that controlled storage batterys are formed by many groups of lists;
Wherein, described information process unit links to each other with scheduling unit, node parameter communication unit, parameter measurement unit by the system bus circuit, and links to each other with the node parameter communication unit by the node parameter communication unit or by computer network; The real time data information that the parameter measurement data message and the node parameter communication unit of parameter measurement unit collection are received, be that basis is analyzed, handled by the data message and the requirement of program and data storage saved software and keying circuit setting in advance, and send corresponding distribution dispatch command;
Wherein, described information process unit, scheduling unit, distributed power source access unit, parameter measurement unit, load output unit and the two-way intelligence communication of grid nodes parameter unit, all adopting with the microprocessor is the embedded system of core, and has the independent CPUs processor respectively.
2. level distributed power supply smart grid according to claim 1 system is characterized in that:
In the described cellular system, be connected with the load output unit of upper strata or same layer cellular system by distributed power source access unit the bottom floor units system, the load output unit of bottom floor units system is connected with the corresponding distributed power source access unit of upper strata or same layer cellular system, and the node parameter communication unit of each cellular system is connected the distributed power supply smart grid of level shown in formation system with Wireless/wired communication network by computer network.
3. according to the level distributed power supply smart grid system of claim 1, it is characterized in that:
But described scheduling unit is provided with microprocessor, memory, clock, unit power circuit, A/D-D/A circuit, sensor groups circuit, storage battery interface group, I/O drive circuit, charging circuit, inverter circuit electric-controlled switch group, system bus circuit and interface, communication drivers and gating circuit, bus; And
Link to each other with distributed power source access unit and load output unit with interface by the system bus circuit, send the schedule driven instruction according to power scheduling instruction and requirement that information process unit sends, distributed power source access unit and load be after output unit receives instruction, finishes the corresponding control of intelligent switch that can the synchronous break-make of automatically controlled execution; Be provided with multiport charging circuit and multiport inverter circuit, and each port be provided with one can the synchronous break-make of automatically controlled execution intelligent switch, described port links to each other with storage battery, controls the break-make of respectively organizing intelligent switch on charging circuit and the inverter circuit according to charging, power transformation and discharge dispatch command and requirement that information process unit sends.
4. level distributed power supply smart grid according to claim 1 system is characterized in that,
The information process unit of described cellular system is provided with microprocessor, program and data storage, communication drivers and gating circuit, I/O drive circuit, external memorizer interface circuit, clock, unit power circuit, standard traffic circuit and interface, system bus circuit and interface, display circuit, keying circuit, bus, and
By the system bus circuit with connect parameter measurement unit in succession, to being installed in distributed power source access unit and load output unit, and the sensor information of each input on the scheduling unit of connection batteries and each outlet line is gathered and analyzing and processing, and in real time and the information system interactive information of supplier of electricity by node parameter communication unit and computer network and Wireless/wired communication network, according to the power supply information that receives, the multipotency source power supply parameter of classification tou power price data and monitoring is in real time compared and is formed the distribution instruction, this distribution instruction sends distributed power source access unit and load output unit to, according to distribution instruction on each input and each outlet line can the synchronous break-make of automatically controlled execution intelligent switch control, finish the allotment requirement of electric power allotment instruction.
5. level distributed power supply smart grid according to claim 1 system is characterized in that,
Described node parameter communication unit is provided with microprocessor, the I/O drive circuit, communication drivers and gating circuit, memory, clock, the unit power circuit, radio communication circuit and interface, network communications circuits and interface, telecommunication path circuit and interface, system bus interface circuit, standard traffic circuit and interface, bus, by radio communication circuit and interface, network communications circuits and interface, telecommunication path circuit and interface, the RS485 of communication drivers and gating circuit and standard traffic circuit and interface and standard, RS232, USB, the INTNET computer network, and GSM, CDMA, the Wireless/wired communication network of 3G and ISDN links to each other, or link to each other with the computer network of internal proprietary by the corresponding interface, realization links to each other with the node parameter communication unit, be integrated into the distributed power grid communication system, carry out high speed, two-way, reach dynamic and intelligent communication in real time.
6. level distributed power supply smart grid according to claim 1 system is characterized in that,
Described parameter measurement unit is provided with microprocessor, memory, A/D-D/A circuit, parameter measurement circuit and interface group, communication drivers and gating circuit, system bus circuit and interface, standard digital telecommunication circuit and interface, clock circuit, unit power circuit, bus; The transducer that is used to monitor electrical quantity and temperature parameter in the supply line by system bus circuit and interface and parameter measurement circuit and interface group and each port that is installed in multiple power supply input and charging circuit and inverter circuit links to each other, the transducing signal that the pick-up transducers circuit sends, and by analog-digital conversion a/d-D/A circuit, convert transducing signal to data message, by using for information process unit after the microprocessor processes.
7. level distributed power supply smart grid according to claim 1 system is characterized in that,
Described load output unit is provided with microprocessor; memory; clock; the unit power circuit; the sensor groups circuit; electric power protection circuit for input and output and port set; metering circuit; the I/O drive circuit; communication drivers and gating circuit; system bus interface circuit; input power switch control group; output power control switch group; bus; each port of multiple user power supply output is provided by electric power protection circuit for input and output and port set; and be equipped with in each port supply line can the synchronous break-make of automatically controlled execution intelligent switch input power switch control group; output power control switch group, and be controlled by microprocessor and cooperate scheduling unit to finish electric power allotment output of flexible AC transmission and HVDC Light with this.
8. level distributed power supply smart grid according to claim 1 system is characterized in that,
Described distributed power source access unit is provided with microprocessor; the multisensor circuit; power access end mouth group; but protective circuit and electric-controlled switch group; communication drivers and gating circuit; system bus circuit and interface; standard digital telecommunication circuit and interface; clock; the unit power circuit; memory; bus; port with multiple power supply input; and in each port supply line the transducer that is used to monitor electrical quantity and temperature parameter is housed, but and by the electric-controlled switch group with protective circuit constitute can the synchronous break-make of automatically controlled execution intelligent switch be controlled by scheduling unit by system bus circuit and interface.
9. level distributed power supply smart grid according to claim 1 system is characterized in that,
The described batteries of organizing the controlled storage battery composition of single group is set at work batteries, ready batteries, prepares batteries and the formation of the standby battery group more than a group by four operating states more, the operating state of every group storage battery is set according to the relevant parameter of the sensor groups circuit collection of monitoring electrical quantity that is provided with and temperature parameter by the scheduling unit that links to each other, but and carries out break-make by the electric-controlled switch group of synchronous break-make with charging circuit, inverter circuit and control.
CN2011201462226U 2011-05-10 2011-05-10 Layered distributive power grid system Expired - Fee Related CN202009272U (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104700596A (en) * 2015-03-25 2015-06-10 哈尔滨中超信诺科技有限公司 Wireless temperature collection system
ES2596662A1 (en) * 2015-07-07 2017-01-11 Estabanell Y Pahisa Energia, S.A. Electrical distribution network (Machine-translation by Google Translate, not legally binding)
US9866022B2 (en) 2012-05-24 2018-01-09 Osaka Gas Co., Ltd. Power supply system
CN109696863A (en) * 2018-11-16 2019-04-30 平高集团有限公司 A kind of distributed intelligence switch and its control system
CN111697704A (en) * 2020-07-04 2020-09-22 李英超 Power supply information processing method of smart power grid

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9866022B2 (en) 2012-05-24 2018-01-09 Osaka Gas Co., Ltd. Power supply system
CN104700596A (en) * 2015-03-25 2015-06-10 哈尔滨中超信诺科技有限公司 Wireless temperature collection system
CN104700596B (en) * 2015-03-25 2018-01-16 哈尔滨中超信诺科技有限公司 wireless temperature acquisition system
ES2596662A1 (en) * 2015-07-07 2017-01-11 Estabanell Y Pahisa Energia, S.A. Electrical distribution network (Machine-translation by Google Translate, not legally binding)
CN109696863A (en) * 2018-11-16 2019-04-30 平高集团有限公司 A kind of distributed intelligence switch and its control system
CN109696863B (en) * 2018-11-16 2021-09-24 平高集团有限公司 Distributed intelligent switch and control system thereof
CN111697704A (en) * 2020-07-04 2020-09-22 李英超 Power supply information processing method of smart power grid
CN111697704B (en) * 2020-07-04 2021-05-11 李英超 Power supply information processing method of smart power grid

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