CN102810909A - Energy management method capable of matching distributed power sources with loads - Google Patents
Energy management method capable of matching distributed power sources with loads Download PDFInfo
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Abstract
The invention belongs to the technical field of smart power grids and relates to an energy management method capable of matching distributed power sources with loads. A device capable of achieving distributed power source grid-connected management and optimal matching operation of the distributed power sources and the loads is called as a power router. The method includes: a control unit connects an idle load port with a mains supply dedicated port, and when a load without a wireless communication function is connected to the power router through the load port, the mains supply is used for supplying power firstly, and a control unit is used for detecting operating characteristics of the load through signal detection and an energy measurement module; the control unit is used for performing matching analysis for each power source and the load, and a switch array module connecting the corresponding power source with the load for power supply; and when a specific distributed power source meets the requirements of simultaneous operation of a plurality of loads, the control unit controls the switch array module to connect the distributed power source and the corresponding loads for power supply. The energy management method is capable of optimally matching the power sources with the loads.
Description
Technical field
The present invention relates to a kind of energy management method of realizing distributed power source and load matched, the distributed renewable power supply that belongs in the intelligent grid utilizes the field.
Background technology
In following intelligent grid,, be used for playing the effect of energy-saving and emission-reduction, alleviation civil power peak of power consumption with there being a large amount of distribution type renewable energy (photovoltaic, wind-powered electricity generation, fuel cell etc.).But; At present aspect the utilizing of distributed energy, still have following problem demanding prompt solution: 1) existence of a large amount of distribution type renewable energies makes and has produced complicated two-way trend between big electrical network and the various distributed power source, causes many-side to influence to the operation and the management of electrical network; 2) distributed power source has tangible uncertainty owing to receive the influence of region and weather aspect the power supply capacity and the quality of power supply, and existing technology and equipment can not guarantee that these electric energy are fully used.
Cause a major reason of this situation to be, the existing requirement that can not fully adapt to intelligent grid towards the technology and the equipment of renewable energy utilization.On the one hand, " electric access node " that a large amount of distribution type electric energies does not pass through IEC 61850 prescribed by standard just directly is incorporated into the power networks, and brings a lot of difficulties for the monitoring and the management of electrical network, and traditional protection and metering device be not also because of supporting two-way trend on the verge of being replaced; On the other hand, the function of existing combining inverter aspect information and control is all more weak, does not all support the online adjusting of any mode of operation and operational factor.In order to guarantee that output voltage satisfies the requirement of being incorporated into the power networks, existing combining inverter has strict restriction to input voltage.When the output voltage of regenerative resource was lower than the input voltage set point of inverter, combining inverter just quit work, thereby caused the serious waste of regenerative resource.
In fact, various load is different for the input voltage of power supply and the requirement of the quality of power supply.For example low-voltage lighting load and DC load (computer, battery charger etc.), the input voltage of its drive circuit and power supply adaptor (Switching Power Supply) does not have special demands all far below city's electric standard to the quality of power supply yet.Even the electric energy of inverter output does not satisfy the requirement of being incorporated into the power networks, still can be to these electric.Therefore,, realize the coupling operation of power supply and load, just can effectively address the above problem, improve the utilance of regenerative resource as long as set up the distribution network of a power supply and load coordinated operation.
Summary of the invention
The invention belongs to the intelligent grid technical field; Relate to a kind of energy management method of realizing distributed power source and load matched; Adopt a kind of device of realizing being incorporated into the power networks distributed power source management and distributed power source and load optimized coupling moving; Be referred to as the electric energy router, method is following: control unit is connected the load port of free time with the civil power private port, when the load that does not have radio communication function is connected to the electric energy router through load port; At first by mains-supplied, control unit detects its operating characteristic through input and electric energy metrical module; Control unit carries out The matching analysis to each power supply and load, the power supply of correspondence is connected with load and supplies power through the switch arrays module; When certain distributed power source can satisfy requiring that a plurality of loads work simultaneously, control unit control switch array module connected this distributed power source and corresponding a plurality of loads and power supply.The present invention can realize the optimization coupling of power supply and load.
The objective of the invention is to propose a kind of electric energy router and energy management method thereof, in order to realizing the optimization coupling of various distributed power sources and load, thereby set up that efficiency is higher, the supply and demand intelligent power distribution network of balance more.The present invention realizes through following technical scheme:
A kind of energy management method of realizing distributed power source and load matched; Adopt a kind of device of realizing being incorporated into the power networks distributed power source management and distributed power source and load optimized coupling moving; Be referred to as the electric energy router; Comprise: comprise control unit, wireless module, input and electric energy metrical module, switch arrays and router port, wherein
Described router port comprises a plurality of power ports and a plurality of load port; Each port has unique port numbers; Each power port can connect the phase in a single phase poaer supply or the three phase mains; Each load port can connect the phase in a single-phase load or the threephase load, and described power port comprises civil power power source special port and a plurality of common power port, can these ports be coupled together through described switch arrays;
Described input and electric energy metrical module are arranged on the junction of router port and switch arrays, comprise that a plurality of power supply signals detect with electric energy metrical port and a plurality of load signal to detect and the electric energy metrical port; Each power supply signal detects with electric energy metrical port and load signal detection and includes current detecting unit, voltage detection unit and energy information processing unit with the electric energy metrical port; Current detecting unit is used to detect the coupled power port or the electric current of load port; Voltage detection unit is used to detect the coupled power port or the voltage of load port; The detection signal of two unit is admitted to the energy information processing unit; Power supply signal detects the quality of power supply and the amount of power supply information that calculates coupled power supply with the energy information processing unit of electric energy metrical port according to the detection signal of input; And be transferred to control unit; Load signal detects and the energy information processing unit of electric energy metrical port calculates the usefulness electrical characteristics and the power consumption of coupled load according to the detection signal of importing, and is transferred to control unit;
Switch on the described switch arrays is controlled by control unit;
Described wireless module is connected with control unit, be used to realize the electric energy router be connected to common power port or load port each have communicating by letter between power supply and the load of radio communication function;
Described control unit; According to the quality of power supply information that detects through power supply signal with the power supply that links to each other with the common power port electric energy metrical port processing or that obtain through wireless module; And according to the electrical characteristics of using that detect through load signal with the load that links to each other with the load port electric energy metrical port processing or that obtain through wireless module; Be connected to the coupling of usefulness electrical characteristics of power supply capacity and the load that is connected to load port of the power supply of common power port; Being connected or switching between each power supply of realizing through switch arrays being complementary and the load, and in the process that power supply powers to the load through the electric energy router, carry out the electricity consumption metering;
The energy management method that utilizes this kind electric energy router to realize is following:
1) combining inverter of distributed power source is if having radio communication function; When being connected to the power port of electric energy router first; To control unit the power supply information (comprising power supply type, supply power voltage and supply current etc.) of distributed power source be provided through wireless module, be used to set up the power information storehouse;
2) load when being connected to the load port of electric energy router first, provide load information (comprising loadtype, rated voltage and rated current etc.) to control unit if having radio communication function through wireless module, is used to set up the load information storehouse;
3) combining inverter of distributed power source is if having radio communication function; When being connected to the power port of electric energy router; To control unit instant power supply information (instant voltage, instant electric current and estimate the duration etc.) be provided through wireless module, the operation monitoring of be used to be incorporated into the power networks management, matched load and power supply;
4) load is if having radio communication function; When load is connected to the electric energy router; To control unit instant need for electricity information (input voltage, power, expectation electricity consumption time etc.) be provided through wireless module, be used for the operation monitoring of power supply coupling and load;
5) combining inverter of distributed power source is not if have radio communication function; When being connected to the power port of electric energy router; Control unit obtains its instant power supply information through input and electric energy metrical module, the operation monitoring of be used to be incorporated into the power networks management, matched load and power supply;
6) control unit is connected the load port of free time with the civil power private port; When the load that does not have radio communication function is connected to the electric energy router through load port; At first by mains-supplied; Control unit detects its operating characteristic through input and electric energy metrical module, is used for the operation monitoring of power supply coupling and load;
7) control unit is analyzed the need for electricity of the running status of each power supply, power supply information, load or operating characteristic and is mated; When if the power supply quality of certain power supply all can satisfy certain load request with power output, control unit passes through the switch arrays module and the power supply of correspondence is connected with load and supplies power;
8) when certain distributed power source can satisfy requiring that a plurality of loads work simultaneously, control unit control switch array module connects this distributed power source and corresponding a plurality of loads and power supply;
9) power supply can be simultaneously to two or more electric, but load can not be accepted the power supply of two or more distributed power sources simultaneously.
As preferred implementation, the common power port of described electric energy router perhaps is used to connect distributed power source, perhaps is used to connect the power supply port of battery system; The load port of described electric energy router perhaps is used to connect common electrical load; Perhaps be used to connect the charging port of battery system; Described energy management method also comprises: when the distributed power source that inserts the electric energy router can satisfy requiring of load; Control unit preferentially utilizes distributed power source to this electric, and when distributed power source can not satisfy the electricity consumption needs of load, control unit preferentially utilized battery system; Through the respective switch of gating switch array, make battery system to electric; When battery system can not satisfy the electricity consumption needs of load, control unit utilized civil power to be electric; When load that certain distributed power source does not match; Control unit is connected to the charge in batteries port through switch arrays with the power port of this distributed power source; Be charge in batteries, at this moment, the storage battery power supply port can not be connected with the charge in batteries port; The load that does not match when distributed power source, and storage battery has been full of or when not connecting storage battery, the electric energy router is connected the distributed power source port with the civil power private port, realize being incorporated into the power networks the output electric energy.
The connected mode of described router port should be: do not connect mutually between the different common power ports; Do not connect mutually between the different load ports; Each common power port can link to each other with the civil power private port through switch arrays, is used to make the power supply except that civil power can realize the power supply of being incorporated into the power networks; Each power port can link to each other with load port through switch arrays; For described load port, can realize following connection: single phase poaer supply can only link to each other with single-phase load, three phase mains each mutually must with each corresponding connection of threephase load; Three phase mains can be connected with single-phase load, but can not all single-phase loads all be connected to a certain phase in the three phase mains;
The energy management method that the present invention proposes is in order to realize the optimization coupling operation of power supply and load.Its advantage is: 1) can more sufficiently and reasonably utilize the renewable energy resources, alleviate the peak of power consumption of civil power; 2) be convenient to distribution type renewable energy is effectively monitored and managed, improve the stability and the reliability of operation of power networks.
Description of drawings
Accompanying drawing 1 is the hardware configuration of electric energy router;
Accompanying drawing 2 is to be applicable to the switch arrays of single phase poaer supply and load and the structure chart of input and electric energy metrical module;
Accompanying drawing 3 is structure charts of input and electric energy metrical port, and with the connected mode of router port and switch arrays;
Accompanying drawing 4 is to connect the switch arrays of three phase mains and load and single phase poaer supply and load and the structure chart of input and electric energy metrical module;
Accompanying drawing 5 is typical application of electric energy router, supposes that the electric energy router has 4 power ports and 4 load ports;
Accompanying drawing 6 is that power supply inserts the electric energy router and the operating process of control unit when the electric energy router breaks off;
Accompanying drawing 7 is that the load of being furnished with wireless communication module inserts electric energy router and the operating process when the electric energy router breaks off;
Accompanying drawing 8 is that the load that is not equipped with wireless communication module inserts electric energy router and the operating process when the electric energy router breaks off.
Embodiment
Below in conjunction with the accompanying drawing operation principle of the present invention that elaborates.
Core component--the electric energy router of at first introducing the present invention and being adopted.
Referring to Fig. 1; The hardware of the electric energy router of present embodiment comprises control unit, wireless module, input and electric energy metrical module, switch arrays and router port, also comprises some wireless modules, ethernet module, human-computer interface module etc. (ethernet module wherein and human-computer interface module are not included in the essential features that realizes electric energy router of the present invention).Power port is divided into civil power private port and common power port, and the latter is used to connect the power supply port of distributed power source or battery system.Control unit is connected with electric energy metrical module, switch arrays with wireless module, ethernet module, human-computer interface module, input, the monitoring function that is used to realize energy management, transfer of data and is directed against each functional module of electric energy router.
Router port comprises a plurality of power ports and a plurality of load port; Each port has unique port numbers; Each power port can connect the phase in a single phase poaer supply or the three phase mains; Each load port can connect the phase in a single-phase load or the threephase load; Described power port comprises civil power power source special port and a plurality of common power ports that are used to be connected distributed power source and storage battery, can common power port and civil power port be coupled together through described switch arrays, to realize generating electricity by way of merging two or more grid systems of distributed energy.
Referring to Fig. 2, input and electric energy metrical module are arranged on the junction of router port and switch arrays, are used for electric current, voltage detecting and the electric energy metrical of corresponding port, but do not influence being connected of router port and switch arrays.If the electric energy router has N power port and M load port; Then input and electric energy metrical module comprise that N power supply signal detection and electric energy metrical port and M load signal detect and the electric energy metrical port; Each power supply signal detects the junction that lays respectively at pairing power port and switch arrays with the electric energy metrical port; And link to each other with control unit; Each load signal detects the junction that lays respectively at pairing load port and switch arrays with the electric energy metrical port, and links to each other with control unit.
Referring to Fig. 3; Each power supply signal detects with electric energy metrical port and load signal detection and includes current detecting unit, voltage detection unit and energy information processing unit with the electric energy metrical port; Current detecting unit is used to detect the coupled power port or the electric current of load port; Voltage detection unit is used to detect the coupled power port or the voltage of load port; The detection signal of two unit is admitted to the energy information processing unit; Power supply signal detects the quality of power supply and the amount of power supply information that calculates coupled power supply with the energy information processing unit of electric energy metrical port according to the detection signal of input; And being transferred to control unit, load signal detects and the energy information processing unit of electric energy metrical port calculates the usefulness electrical characteristics and the power consumption of coupled load according to the detection signal of importing, and is transferred to control unit; For the combining inverter of being furnished with wireless communication module (being connected to the common power port of electric energy router) and load, also can be through wireless module to the power supply information (comprising running status, output voltage, electric current, frequency, power supply quality etc.) of electric energy router transmission power supply or the operating characteristic (running status, input voltage, electric current etc.) of load.
For being applicable to single phase poaer supply and load and having the electric energy router of N power port and M load port among Fig. 2, switch arrays comprise (M*N+N-1) individual switch; Each power port all connects M switch, is used for being connected with each load port; The civil power private port also is connected with the common power port through N-1 switch, is used to realize the distributed power source power supply of being incorporated into the power networks.
Electric energy router among Fig. 4 has a three-phase mains port, a three-phase common power port, two threephase load ports and six single-phase load ports, and switch arrays comprise N/2 switch of (M-1) *.Wherein the three-phase mains port all can be connected with two threephase load ports through switch with three-phase common power port; In addition, each phase of three-phase mains port and three-phase common power port all can be connected with two single-phase load ports through switch.
Among the present invention, do not connect mutually between the different common power ports, do not connect mutually between the different load ports, each common power port can link to each other with the civil power private port through switch arrays, is used to make the power supply except that civil power can realize the power supply of being incorporated into the power networks; Each power port can link to each other with load port through switch arrays.For described load port, can realize following connection: single phase poaer supply can only link to each other with single-phase load, three phase mains each mutually must with each corresponding connection of threephase load; Three phase mains can be connected with single-phase load, but can not all single-phase loads all be connected to a certain phase in the three phase mains.
The energy management functionality that electric energy router of the present invention can be realized is following:
1) control module is based on the power supply situation of power supply signal detection with the electric energy metrical port power supply that links to each other with the common power port that gathered or that wireless module obtained; And detect the electrical characteristics of using of the load that links to each other with load terminal port gathered with the electric energy metrical port or wireless module obtains based on load signal; The power supply capacity of carrying out common power and load with the coupling of electrical characteristics (if the power supply or the load that link to each other with common power port or load terminal port have ethernet port; Can also obtain power supply power supply situation or load electrical characteristics through ethernet port), realize being connected or switching between each power supply and the load through switch arrays;
2) operation of other modules in the control unit control electric energy router; Wireless module is connected with control unit, is used to realize communicating by letter between electric energy router and power supply, the load; Ethernet module is connected with control unit, is used to connect the information system of electric energy router and little electrical network; Human-computer interface module is connected with control unit, is used to realize various manual operations (parameter setting, state and data query etc.);
3) input and electric energy metrical module are arranged on the junction of router port and switch arrays; And be connected with control unit; Its effect is: (1) detect the power supply be connected to the electric energy router port power supply situation and load with electrical characteristics and be transferred to control unit, (2) are carried out electricity consumption and are measured and be transferred to control unit in load and power supply and electric energy router connection procedure;
4) switch arrays are connected with router port with control unit, are used to realize being connected or switching between power supply and the load, and being connected or disconnection between distributed power source and the civil power.
It should be noted that in actual embodiment of the present invention distributed power source and storage battery all need just can be connected to electric energy router of the present invention through inverter, and the inverter of storage battery is two-way.The power port of said here connection distributed power source and battery system power supply port and is connected the battery system charging port load mouthful all do not mention inverter; Electric energy router of the present invention has just disposed the port that connects these several kinds of power supplys, but does not dispose corresponding inverter.
The energy management method that adopts electric energy router of the present invention to realize comprises:
1) combining inverter of distributed power source will provide power information (comprising power supply type, rated voltage, electric current etc.) to control unit through wireless module when being connected to the electric energy router first, is used to set up the power information storehouse;
2) load on when being connected to the electric energy router first, to control unit load information (comprising loadtype, rated voltage, electric current etc.) is provided, be used to set up the load information storehouse through wireless module;
3) when the combining inverter of distributed power source is connected to the electric energy router, instant power supply information (voltage, electric current, expectation duration etc.) is provided to control unit, the operation monitoring of be used to be incorporated into the power networks management, matched load and power supply;
4) when load is connected to the electric energy router, instant need for electricity information (input voltage, power, expectation electricity consumption time etc.) is provided to control unit, be used for the operation monitoring of power supply coupling and load;
5) when the power inverter that is not equipped with wireless module is connected to the electric energy router, control unit obtains its instant power supply information through detection module, the operation monitoring of be used to be incorporated into the power networks management, matched load and power supply;
6) control unit is electrically connected the load port of free time with the city; When the load that is not equipped with wireless module is connected to the electric energy router; At first by mains-supplied, control unit detects its operating characteristic through detection module, is used for the operation monitoring of power supply coupling and load;
7) control unit is analyzed the need for electricity of the running status of power supply, power supply information, load or operating characteristic and is mated; When the power supply quality of power supply and power output all can satisfy load request, control unit was connected the power supply of correspondence through the switch arrays module and supplies power with load;
8) when the distributed power source that inserts the electric energy router can satisfy requiring of load; Control unit preferentially utilizes distributed power source to this electric; When distributed power source can not satisfy the electricity consumption needs of load; Control unit preferentially utilizes battery backup unit to electric, and when battery backup unit can not satisfy the electricity consumption needs of load, control unit utilized civil power to be electric;
9) when certain distributed power source can satisfy requiring that a plurality of loads work simultaneously, control unit control switch array module connects this power supply and corresponding a plurality of loads and power supply;
10) output port of power source of storage battery and charging port can be connected to the electric energy router as power supply and load respectively; When load that distributed power source does not match; It is charge in batteries that control unit is connected to the storage battery port through switch arrays with it, but the output port of power source of storage battery can not be connected with the charging port of storage battery;
11) load that does not match when distributed power source, and storage battery has been full of or when not connecting storage battery, the electric energy router is connected distributed power source with the civil power port, realizes being incorporated into the power networks the output electric energy;
12) power supply can be simultaneously to two or more electric, but load can not be accepted the power supply of two or more regenerative resources simultaneously.
Referring to the electric energy router (comprising 4 power ports and 4 load ports) of 8 ports shown in Figure 5, and being connected of various power supply and load.Civil power, photovoltaic DC-to-AC converter, wind-powered electricity generation inverter, storage battery inverter (power supply port) are connected on port one～4 of mains side respectively, and illumination, air-conditioning, notebook, storage battery inverter (charging port) are connected on the port 5 ~ 8 of load-side respectively.The switch arrays of this electric energy router are shown in accompanying drawing 2, and the port one of mains side ~ 4 are connected with the port 5 ~ 8 of load-side through switch 1 ~ 16 respectively.
Referring to Fig. 6-Fig. 8, the practical implementation process that electric energy router of the present invention carries out energy management is following:
1. consider the situation of electric consumption on lighting, suppose that lighting load does not have radio communication function.
1) after the detection module of the port 5 of load-side detects load, sends new load to control unit and insert notice;
2) control unit is inquired about through wireless module, but does not receive and reply, and therefore needs to detect load characteristic through detection module, deposits this information in the load information storehouse;
3) control unit is through the electric power thus supplied of wireless communication module or detection module inquiry power supply, and judgement civil power, photovoltaic generation, wind-powered electricity generation, battery feed all can be supplied power for lighting apparatus.According to the principle of preferential sharp distributed power source, control unit is through the switch 4 of cut-off switch array, and close switch 12 is connected wind-powered electricity generation power supply and lighting load, utilizes wind-powered electricity generation to be illuminalive power-supply;
2. the consideration photo-voltaic power supply supposes that photovoltaic DC-to-AC converter is equipped with wireless communication module.
This moment, photo-voltaic power supply did not connect load, and the energy storage situation of control unit inquiry storage battery is further charged like needs, then with switch 5 closures of switch arrays, utilizes photovoltaic generation for using charge in batteries; Be full of like storage battery, then connect switch 19, photo-voltaic power supply is connected to civil power, realize being incorporated into the power networks.
3. the consideration air conditioning electricity supposes that air-conditioning is equipped with wireless communication module.
When the detection module of the port 6 of load-side detect receive air-conditioning and connect after, send load to control unit and insert notice, control unit is communicated by letter with air-conditioning through wireless module; Inquiry also receives load information; Deposit this information in the load information storehouse, through inquiry power supply power supply state, control unit judges under the present case to have only civil power to satisfy condition; Therefore on off state inconvenience still utilizes civil power to supply power for air-conditioning.
4. consider the notebook computer electricity consumption, suppose that it is equipped with wireless communication module.
After the detection module of the port 7 of load-side detects the load of receiving this port, send new load to control unit and insert notice, control unit is through the wireless module inquiry and receive load information, deposits this information in the load information storehouse.Through inquiry power supply power supply state; Control unit judgement civil power, photovoltaic generation, battery feed all can be supplied power for notebook computer; Control unit is through the switch 2 of cut-off switch array; Close switch 6 is connected photovoltaic generation power supply and notebook computer, utilizes photovoltaic generation to supply power for notebook computer.
5. consider the situation that the regenerative resource power supply ability changes.
The power supply capacity of supposing photovoltaic this moment levels off to zero (because of environment reason), and wind power system still possesses certain power supply capacity.
Because photovoltaic system has not possessed power supply capacity, photovoltaic DC-to-AC converter quits work.Control unit learns that through the detection module of port 2 photovoltaic power generation apparatus breaks off, and photovoltaic generation information is deleted from current power information storehouse.Again through inquiry power supply power supply state, learn that this moment, wind-powered electricity generation can satisfy the supply of electrical energy of notebook computer, the logical switch 6 that cuts off of control unit, close switch 9 is connected wind-powered electricity generation and notebook computer, and utilizing wind-powered electricity generation is that notebook computer is supplied power with illumination simultaneously.
Claims (3)
1. the energy management method that can realize distributed power source and load matched; Adopt a kind of device of realizing being incorporated into the power networks distributed power source management and distributed power source and load optimized coupling moving; Be referred to as the electric energy router; Comprise: comprise control unit, wireless module, input and electric energy metrical module, switch arrays and router port, wherein
Described router port comprises a plurality of power ports and a plurality of load port; Each port has unique port numbers; Each power port can connect the phase in a single phase poaer supply or the three phase mains; Each load port can connect the phase in a single-phase load or the threephase load, and described power port comprises civil power power source special port and a plurality of common power port, can these ports be coupled together through described switch arrays;
Described input and electric energy metrical module are arranged on the junction of router port and switch arrays, comprise that a plurality of power supply signals detect with electric energy metrical port and a plurality of load signal to detect and the electric energy metrical port; Each power supply signal detects with electric energy metrical port and load signal detection and includes current detecting unit, voltage detection unit and energy information processing unit with the electric energy metrical port; Current detecting unit is used to detect the coupled power port or the electric current of load port; Voltage detection unit is used to detect the coupled power port or the voltage of load port; The detection signal of two unit is admitted to the energy information processing unit; Power supply signal detects the quality of power supply and the amount of power supply information that calculates coupled power supply with the energy information processing unit of electric energy metrical port according to the detection signal of input; And be transferred to control unit; Load signal detects and the energy information processing unit of electric energy metrical port calculates the usefulness electrical characteristics and the power consumption of coupled load according to the detection signal of importing, and is transferred to control unit;
Switch on the described switch arrays is controlled by control unit;
Described wireless module is connected with control unit, be used to realize the electric energy router be connected to common power port or load port each have communicating by letter between power supply and the load of radio communication function;
Described control unit; According to the quality of power supply information that detects through power supply signal with the power supply that links to each other with the common power port electric energy metrical port processing or that obtain through wireless module; And according to the electrical characteristics of using that detect through load signal with the load that links to each other with the load port electric energy metrical port processing or that obtain through wireless module; Be connected to the coupling of usefulness electrical characteristics of power supply capacity and the load that is connected to load port of the power supply of common power port; Being connected or switching between each power supply of realizing through switch arrays being complementary and the load, and in the process that power supply powers to the load through the electric energy router, carry out the electricity consumption metering;
The energy management method that utilizes this kind electric energy router to realize is following:
1) combining inverter of distributed power source is if having radio communication function; When being connected to the power port of electric energy router first; To control unit the power supply information (comprising power supply type, supply power voltage and supply current etc.) of distributed power source be provided through wireless module, be used to set up the power information storehouse;
2) load when being connected to the load port of electric energy router first, provide load information (comprising loadtype, rated voltage and rated current etc.) to control unit if having radio communication function through wireless module, is used to set up the load information storehouse;
3) combining inverter of distributed power source is if having radio communication function; When being connected to the power port of electric energy router; To control unit instant power supply information (instant voltage, instant electric current and estimate the duration etc.) be provided through wireless module, the operation monitoring of be used to be incorporated into the power networks management, matched load and power supply;
4) load is if having radio communication function; When load is connected to the electric energy router; To control unit instant need for electricity information (input voltage, power and expectation electricity consumption time etc.) be provided through wireless module, be used for the operation monitoring of power supply coupling and load;
5) combining inverter of distributed power source is not if have radio communication function; When being connected to the power port of electric energy router; Control unit obtains its instant power supply information through input and electric energy metrical module, the operation monitoring of be used to be incorporated into the power networks management, matched load and power supply;
6) control unit is connected the load port of free time with the civil power private port; When the load that does not have radio communication function is connected to the electric energy router through load port; At first by mains-supplied; Control unit detects its operating characteristic through input and electric energy metrical module, is used for the operation monitoring of power supply coupling and load;
7) control unit is analyzed the need for electricity of the running status of each power supply, power supply information, load or operating characteristic and is mated; When if the power supply quality of certain power supply all can satisfy certain load request with power output, control unit passes through the switch arrays module and the power supply of correspondence is connected with load and supplies power;
8) when certain distributed power source can satisfy requiring that a plurality of loads work simultaneously, control unit control switch array module connects this distributed power source and corresponding a plurality of loads and power supply;
9) power supply can be simultaneously to two or more electric, but load can not be accepted the power supply of two or more distributed power sources simultaneously.
2. energy management method according to claim 1 is characterized in that, the common power port of described electric energy router perhaps is used to connect distributed power source, perhaps is used to connect the power supply port of battery system; The load port of described electric energy router perhaps is used to connect common electrical load, perhaps is used to connect the charging port of battery system, and described energy management method also comprises:
1) when the distributed power source that inserts the electric energy router can satisfy requiring of load; Control unit preferentially utilizes distributed power source to this electric; When distributed power source can not satisfy the electricity consumption needs of load; Control unit preferentially utilizes battery system, through the respective switch of gating switch array, makes battery system to electric; When battery system can not satisfy the electricity consumption needs of load, control unit utilized civil power to be electric;
2) when load that certain distributed power source does not match; Control unit is connected to the charge in batteries port through switch arrays with the power port of this distributed power source; Be charge in batteries, at this moment, the storage battery power supply port can not be connected with the charge in batteries port;
3) load that does not match when distributed power source, and storage battery has been full of or when not connecting storage battery, the electric energy router is connected the distributed power source port with the civil power private port, realizes being incorporated into the power networks the output electric energy.
3. the energy management method of realizing distributed power source and load matched according to claim 1; It is characterized in that; The connected mode of described router port is: do not connect mutually between the different common power ports; Do not connect mutually between the different load ports, each common power port can link to each other with the civil power private port through switch arrays, is used to make the power supply except that civil power can realize the power supply of being incorporated into the power networks; Each power port can link to each other with load port through switch arrays; For described load port, can realize following connection: single phase poaer supply can only link to each other with single-phase load, three phase mains each mutually must with each corresponding connection of threephase load; Three phase mains can be connected with single-phase load, but can not all single-phase loads all be connected to a certain phase in the three phase mains.
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