CN102931676A - Structure and method of solar power grid-connected self-use multifunctional system - Google Patents
Structure and method of solar power grid-connected self-use multifunctional system Download PDFInfo
- Publication number
- CN102931676A CN102931676A CN2011102284644A CN201110228464A CN102931676A CN 102931676 A CN102931676 A CN 102931676A CN 2011102284644 A CN2011102284644 A CN 2011102284644A CN 201110228464 A CN201110228464 A CN 201110228464A CN 102931676 A CN102931676 A CN 102931676A
- Authority
- CN
- China
- Prior art keywords
- power
- circuit
- electric power
- controller
- electric
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
Landscapes
- Supply And Distribution Of Alternating Current (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention belongs to the technical field of solar power generation and grid-connected self-use power supply application, and particularly relates to a structure and a method of a solar power grid-connected self-use multifunctional system. In order to enable the solar power generation system to be capable of generating power, grid connection and self-use, the technical scheme that the system structure and the single internal power path can be completed only through a storage battery and an inverter when the solar power generation system supplies power for alternating current loads of users is changed through a direct current power regulating circuit, a system allocation control circuit, an electric control switch group and a power on-off controller, so that when the multipurpose solar power generation power supply system which enables the solar power generation system to be capable of generating power, grid connection and self-use is constructed, the system hardware scale is reduced, the structure of the system and the construction mode of the internal power path are optimized, power loss and resource waste are reduced, the use efficiency of solar power is greatly improved, and investment return is greatly increased.
Description
Technical field
The invention belongs to solar power generation and the personal power applications technical field that is incorporated into the power networks, be specifically related to a kind of solar electric power be incorporated into the power networks structure and the method for personal multifunction system.
Background technology
National governments encourage attention and the policy of new forms of energy, make the town dweller of electrical network covering under the profit business model, have added solar power generation and have sold the main forces that electricity is powered, and especially in Europe, this mode has obtained fast development and universal.Current, the prior art products of solar energy and wind power generation generally adopts to generate electricity by way of merging two or more grid systems and sells electric mode to mains supply.It has two main causes, and the one, the government subsidy policy, lucrative; The 2nd, technology is simple, direct grid-connected, the electric power of unstable generating is diluted by electrical network, does not need the electric power storage link, invest less, but the burden of government and pressure are increasing, so mostly take to subsidize and preferential by period or the mode of successively decreasing year by year.
Along with the margin of preference reduces year by year, the quantity of electricity generation grid-connecting increases simultaneously, electrical network pressure and burden also constantly increase, add that electricity generation grid-connecting uses to power transformation to the user, it is huge with the electric power resource waste of secondary power transformation overall process also will to transmit electricity, especially the conclusion of the exploration by continuous practice and large quantity research reaches unanimity, be exactly the best supply power mode of solar electric power be to be adjusted to target with personal and remaining electricity locally.Therefore, little by little will encourage to generate electricity by way of merging two or more grid systems to encouraging the direction that electricity is incorporated into the power networks more than the non-utility power generation to shift in Europe, a large amount of grid-connected systems will increase the ability of personal power supply.
Because the solar electric power that is incorporated into the power networks is directly to utilize the direct inversion of unstable electric power that sun the subject of knowledge and the object of knowledge sends out and power supply to electrical network, is unsettled equally, so can not directly use to user load.In order to make the solar power system can not only electricity generation grid-connecting, can use by oneself again, major way is to utilize existing solar power generation grid-connecting system and off-grid system simply to integrate at present.Therefore, the main device that not only needs two cover solar power generation inversion systems, also to increase by two cover systems and integrate required connection switching and charge and discharge device and system control device, so that System Construction is subject to the restriction of two each self-structuring of cover system, system plans as a whole ability of regulation and control and is greatly affected, and system's scale of investment increases the operational efficiency reduction, system energy consumption increases, and investment return reduces.The application number of announcing such as Chinese invention patent is that the patent of invention of 200810200725.X " a kind of multipurpose solar energy power generating system " by name is exactly the representative of typical System Construction and scheme.
As can be known, make the solar power system can not only electricity generation grid-connecting, the system that can use by oneself again, its prior art and method, mainly be to utilize existingly to be incorporated into the power networks and to constitute from existing structure and the function of two kinds of systems of net, its characteristics are exactly that have is the power supply of user's AC load, all will be by storage battery and inverter; Namely on maintenance solar power generation grid-connecting system is incorporated into the power networks the basis of constructing, obtain solar electric power and carry out electric power storage, it namely is the mode of storage battery electric power storage by charger, unstable electric power is stored first, supply with user's use by storage battery and inverter again after having corresponding electric weight, thus, make unsettled solar electric power become galvanic current, satisfy the load need for electricity through carry out the electric power conversion for the inverter of customer power supply, system need to increase MPPT and DC/DC module, aptitude chargeable circuit, DC/DC circuit and user class inverter circuit and relevant circuit for regulating and controlling boost; When electrical network is normal if be in operation, and in the situation of generation deficiency, it is to power to AC load behind the charge in batteries by AC/DC change-over circuit and intelligent charger that the System Construction of prior art and electrical path need grid power again, and need to through again power supply after the conversion of net inverter, electric power resource and device resource have been expended in a large number.As mentioned above, the solar energy customer power supply System Construction of prior art and electrical path design, not only having wasted in a large number resource has increased investment, has also increased link and the consume of power converter, has reduced the power supplying efficiency of system.
In order to overcome the defective of prior art, the present invention proposes a kind of solar electric power be incorporated into the power networks structure and the method for personal multifunction system, changed when powering for user's AC load, the defective in System Construction that all will be by storage battery and inverter and single internal power path, thereby make the solar power system can not only electricity generation grid-connecting so that make up, in the time of using by oneself again the multipurpose solar electricity generating and supplying system, can reduce the system hardware scale, reduce investment outlay, improve running efficiency of system, reduce system energy consumption, increase investment return.
Summary of the invention
Electric power system is constructed and the system defect of electrical path for the solar electric power that solves prior art and product existence under existence conditions is incorporated into the power networks and uses by oneself, reduce the system hardware scale, reduce investment outlay, improve running efficiency of system, reduce system energy consumption, increase investment return, and then realization improves the purpose of investment repayment, for this reason, the present invention proposes a kind of solar electric power be incorporated into the power networks structure and the method for personal multifunction system, comprise the solar power generation assembly, MPPT and DC/DC circuit, the direct current power regulating circuit, the DC/AC inverter circuit, discharge and recharge the control and management circuit, system's allotment control circuit, batteries, circuit for detecting island, the electric-controlled switch group, the AC/DC change-over circuit, user's AC load, user's DC load, system bus, networking protection metering circuit, load protection and monitoring and metering circuit, electrical network input ammeter, electric power on-off controller a, electric power on-off controller b, electric power on-off controller c, electric power on-off controller d and electric power on-off controller e and electrical network; It is characterized in that the solar power generation assembly is connected the direct current power regulating circuit and connects user's AC load formation generating Alternating Current Power Supply path through DC/AC inverter circuit, load protection and monitoring and metering circuit and electric power on-off controller b by MPPT with the DC/DC circuit; Connect electrical network by circuit for detecting island and electric power on-off controller c with the protection metering circuit of being connected by the DC/AC inverter circuit simultaneously, consist of the electricity generation grid-connecting path; The solar power generation assembly also is connected with the DC/DC circuit by MPPT and discharges and recharges the control and management circuit and link to each other with batteries through the electric-controlled switch group, consists of charge path; Batteries through the electric-controlled switch group, discharge and recharge the control and management circuit and connect the direct current power regulating circuit and be connected user AC load through electric power on-off controller b and load protection with the monitoring and metering circuit by the DC/AC inverter circuit, formation electric power storage Alternating Current Power Supply path; Batteries also connects user's DC load through electric-controlled switch group, direct current power regulating circuit and electric power on-off controller e, consists of electric power storage direct current supply path; Electrical network by electrical network input ammeter and electric power on-off controller a, AC/DC change-over circuit, direct current power regulating circuit, discharge and recharge the control and management circuit, the electric-controlled switch group connects batteries, consists of the charge path of grid power; Electrical network also links to each other with user's AC load through electric power on-off controller d, consists of grid power to the supply path of load; System allotment control circuit links to each other formation system regulation path by system bus and MPPT and DC/DC circuit, direct current power regulating circuit, charging control and management circuit, electric-controlled switch group, circuit for detecting island, networking protection metering circuit, load protection and monitoring and metering circuit and electric power on-off controller a, electric power on-off controller b, electric power on-off controller d, electric power on-off controller e; And circuit for detecting island connects electrical network by electric power on-off controller c and networking protection metering circuit.
A kind of solar electric power of the present invention be incorporated into the power networks structure and the method for personal multifunction system, it is characterized in that being provided with in the direct current power regulating circuit power monitoring dispensable circuit, low threshold switch and high threshold switch, and respectively with discharge and recharge the control and management circuit and the electric-controlled switch group is connected, at the solar power generation assembly through the electric power of MPPT and DC/DC circuit input during greater than upper limit set value or loading demand value, the direct current power regulating circuit by high threshold switch allotment output through discharging and recharging the electric power storage of control and management circuit accumulators group; During less than the lower limit set, the allotment batteries links to each other with DC/DC circuit power output end with MPPT through electric-controlled switch group and low threshold switch, carry out supplementary power with battery power, make solar power generation assembly and batteries through the allotment of direct current power regulating circuit after the electric power of output satisfy user's DC load) or the demand of user's AC load.
A kind of solar electric power of the present invention be incorporated into the power networks structure and the method for personal multifunction system, it is characterized in that being provided with embedded microprocessor in system's allotment control circuit, data memory module and program storage block also preset electric power allotment priority orders data and regulatory process, the need for electricity that it arrives according to load protection and monitoring and metering circuit monitoring and the electric power allotment priority orders of setting and the power condition of solar power generation assembly and batteries are carried out corresponding program, by control electric power on-off controller a, electric power on-off controller b, electric power on-off controller c and electric power on-off controller d, the break-make of electric power on-off controller e and electric-controlled switch group makes the respective electrical power path be in the state that switches on or off accordingly, finishes control and regulates electrical path; Also dynamically send simultaneously the upper and lower limit threshold data of electric power input to the direct current power regulating circuit; Its allotment priority orders is solar power generation assembly, batteries, electrical network at a low price electric power and electrical network high price electric power, and battery power to carry out supplementary power be automatically to carry out on-off valve regulation by the low threshold switch in the direct current power regulating circuit.
A kind of solar electric power of the present invention be incorporated into the power networks structure and the method for personal multifunction system, it is characterized in that the direct current power regulating circuit has three road power input end mouths that connect solar power generation assembly and batteries and AC/DC change-over circuit, and have and connect respectively the DC/AC inverter circuit, the electric-controlled switch group and connect electric power on-off controller e to user's DC load be connected three power output end mouths that discharge and recharge the control and management circuit, its power regulating method is when loading demand is satisfied in the input of solar power generation assembly,, the electric power of surplus power is regulated to discharging and recharging the control and management circuit to the batteries electric power storage by the high threshold switch during electricity if still have a surplus behind the supply load; When solar power generation assembly input electric power can not satisfy loading demand, regulate batteries by low threshold switch and supply with user's DC load to the DC/AC inverter circuit or through electric power on-off controller e in real time, satisfy the need for electricity of user load with this; When batteries can not satisfy the load need for electricity, the direct current power regulating circuit was reporting system allotment control circuit, connected electrical network by the allotment control circuit control electric power on-off controller d of system and transferred mains supply to; In the electrical network low ebb electricity price period, can be the batteries electric power storage by control electric power on-off controller a also.
A kind of solar electric power of the present invention be incorporated into the power networks structure and the method for personal multifunction system, it is characterized in that batteries is divided into unitary battery more than three groups, each group storage battery group is connected with the electric-controlled switch group respectively, and each group storage battery group is operated in respectively charging, discharge, prepares one of three kinds of operating states, and system's allotment control circuit is adjusted the operating state of batteries according to the corresponding charge capacity of batteries.
In sum, the present invention proposes a kind of solar electric power be incorporated into the power networks structure and the method for personal multifunction system, changed solar power system when powering for user's AC load, System Construction and the technical scheme in the System Construction that all will just can finish by storage battery and inverter and single internal power path, thereby so that make the solar power system can not only electricity generation grid-connecting at structure, during the multipurpose solar electricity generating and supplying system that can use by oneself again, reduced the system hardware scale, the structure of system and System Construction and the constituted mode in internal power path have been optimized, power loss and the wasting of resources have been reduced, greatly improve the service efficiency of solar electric power, greatly increased investment repayment.
Description of drawings
Fig. 1 is prior art solar power generation grid-connecting system principle schematic block diagram;
Fig. 2 is that the prior art solar power generation is from net electric power system schematic block diagram;
Fig. 3 is the structure schematic block diagram of prior art solar power generation grid-connecting and personal multipurpose system;
Fig. 4 is the be incorporated into the power networks structure schematic block diagram of personal multifunction system of solar electric power of the present invention;
Fig. 5 is direct current power regulating circuit principle of work and power schematic block diagram.
Embodiment
As examples of implementation, by reference to the accompanying drawings be incorporated into the power networks structure and the method for personal multifunction system of a kind of solar electric power is described, still, technology of the present invention and scheme are not limited to the content that present embodiment provides.
Specific embodiment of the invention accompanying drawings is as follows, and classical prior art solar power generation grid-connecting system principle schematic block diagram as shown in Figure 1.
As shown in Figure 2, for the prior art solar power generation from net electric power system schematic block diagram.
The structure schematic block diagram of the solar power generation grid-connecting of prior art and personal multipurpose system as shown in Figure 3, be characterized in utilizing prior art solar power generation grid-connecting system and prior art solar power generation to increase the MPPT charger from the net electric power system, re-construct and integrate behind switch controller and system regulation device and intelligent charger and the DC/DC change-over circuit and form, system forms fairly simple, but, this system not only needs two cover solar power generation inversion systems, also to increase by two cover systems and integrate required connection switching and charge-discharge circuit and system control device, so that System Construction is subject to the restriction of two each self-structuring of cover system, system plans as a whole ability of regulation and control and is greatly affected, and system's scale of investment increases, operational efficiency reduces, system energy consumption increases, and investment return reduces.
As shown in Figure 4, the be incorporated into the power networks structure of personal multifunction system of a kind of solar electric power of the present invention comprises solar power generation assembly (1), MPPT and DC/DC circuit (2), direct current power regulating circuit (3), DC/AC inverter circuit (4), discharge and recharge control and management circuit (5), system's allotment control circuit (6), batteries (7), circuit for detecting island (8), electric-controlled switch group (9), AC/DC change-over circuit (10), user's AC load (11), user's DC load (12), system bus (13), networking protection metering circuit (14), load protection and monitoring and metering circuit (15), electrical network input ammeter (16), electric power on-off controller a (101), electric power on-off controller b (102), electric power on-off controller c (103), electric power on-off controller d (104) and electric power on-off controller e (105) and electrical network; It is characterized in that solar power generation assembly (1) is connected direct current power regulating circuit (3) and connects user's AC load (11) formation generating Alternating Current Power Supply path through DC/AC inverter circuit (4), load protection and monitoring and metering circuit (15) and electric power on-off controller b (102) by MPPT with DC/DC circuit (2); Connect electrical network by circuit for detecting island (8) and electric power on-off controller c (103) with the protection metering circuit (14) of being connected by DC/AC inverter circuit (4) simultaneously and consist of the electricity generation grid-connecting path; Solar power generation assembly (1) also is connected with DC/DC circuit (2) to discharge and recharge control and management circuit (5) and link to each other with batteries (7) through electric-controlled switch group (9) by MPPT and consists of charge path; Batteries (7) through electric-controlled switch group (9), discharge and recharge control and management circuit (5) and connect direct current power regulating circuit (3) and be connected user's AC load (11) formation electric power storage Alternating Current Power Supply path by DC/AC inverter circuit (4) with monitoring and metering circuit (15) through electric power on-off controller b (102) and load protection; Batteries (7) also connects user's DC load (12) through electric-controlled switch group (9), direct current power regulating circuit (3) and electric power on-off controller e (105) and consists of electric power storage direct current supply path; Electrical network by electrical network input ammeter (16) and electric power on-off controller a (101), AC/DC change-over circuit (10), direct current power regulating circuit (3), discharge and recharge control and management circuit (5), electric-controlled switch group (9) connects the charge path that batteries (7) consists of grid power; Electrical network also links to each other with user's AC load (11) through electric power on-off controller d (104), consists of grid power to the supply path of load; System's allotment control circuit (6) is by system bus (13) and MPPT and DC/DC circuit (2), direct current power regulating circuit (3), charging control and management circuit (5), electric-controlled switch group (9), circuit for detecting island (8), networking protection metering circuit (14), load protection and monitoring and metering circuit (15) and electric power on-off controller a (101), electric power on-off controller b (102), electric power on-off controller d (104), electric power on-off controller e (105) links to each other, and forms control path; And circuit for detecting island (8) connects electrical network by electric power on-off controller c (103) and networking protection metering circuit (14).
As shown in Figure 5, a kind of solar electric power of the present invention be incorporated into the power networks structure and the method for personal multifunction system, it is characterized in that being provided with in the direct current power regulating circuit (3) power monitoring dispensable circuit (31), low threshold switch (32) and high threshold switch (33), and respectively with discharge and recharge control and management circuit (5) and electric-controlled switch group (9) is connected, through the electric power of MPPT and DC/DC circuit (2) input during greater than upper limit set value or loading demand value, direct current power regulating circuit (3) is exported through discharging and recharging control and management circuit (5) accumulators group (7) electric power storage by high threshold switch (33) allotment at solar power generation assembly (1); During less than the lower limit set, allotment batteries (7) links to each other with DC/DC circuit (2) power output end with MPPT through electric-controlled switch group (9) and low threshold switch (32), carry out supplementary power with battery power, make solar power generation assembly (1) and batteries (7) satisfy the demand of user's DC load (12) or user's AC load (11) through the electric power of the rear output of direct current power regulating circuit (3) allotment.
A kind of solar electric power of the present invention be incorporated into the power networks structure and the method for personal multifunction system, it is characterized in that being provided with embedded microprocessor in system's allotment control circuit (6) and presetting the software module that electric power is allocated priority orders data and regulatory process, need for electricity and the electric power allotment priority orders of setting and the power condition execution corresponding program of solar power generation assembly (1) and batteries (7) that it monitors according to load protection and monitoring and metering circuit (15), by control electric power on-off controller a (101), electric power on-off controller b (102), electric power on-off controller c (103) and electric power on-off controller d (104), the break-make of electric power on-off controller e (105) and electric-controlled switch group (9) makes the respective electrical power path be in the state that switches on or off accordingly, finishes control and regulates electrical path; Also dynamically send simultaneously the upper and lower limit threshold data of electric power input to direct current power regulating circuit (3); Its allotment priority orders is solar power generation assembly (1), batteries (7), electrical network at a low price electric power and electrical network high price electric power, and battery power to carry out supplementary power be automatically to carry out on-off valve regulation by the low threshold switch (32) in the direct current power regulating circuit (3).
A kind of solar electric power of the present invention be incorporated into the power networks structure and the method for personal multifunction system, it is characterized in that direct current power regulating circuit (3) has solar power generation assembly (1) and batteries (7) and AC/DC change-over circuit (10) three road power input end mouths, and have and connect respectively DC/AC inverter circuit (4), electric-controlled switch group (9) and connection electric power on-off controller e (105) are connected three power output end mouths of control and management circuit (5) with connection to user's DC load (12), its power regulating method is when loading demand is satisfied in solar power generation assembly (1) input,, the electric power of surplus power is regulated to discharging and recharging control and management circuit (5) to batteries (7) electric power storage by high threshold switch (33) during electricity if still have a surplus behind the supply load; When solar power generation assembly (1) input electric power can not satisfy loading demand, regulate batteries (7) by low threshold switch (32) and supply with user's DC load (12) to DC/AC inverter circuit (4) or through electric power on-off controller e (105) in real time, satisfy the need for electricity of user load with this; When batteries (7) can not satisfy the load need for electricity, direct current power regulating circuit (3) is reporting system allotment control circuit (6), connects electrical network by system's allotment control circuit (6) control electric power on-off controller d (104) and transfers mains supply to; In the electrical network low ebb electricity price period, can be batteries (7) electric power storage by control electric power on-off controller a (101) also.
A kind of solar electric power of the present invention be incorporated into the power networks structure and the method for personal multifunction system, it is characterized in that batteries (7) is divided into unitary battery more than three groups, each group storage battery group is connected with electric-controlled switch group (9) respectively, and each group storage battery group is operated in respectively charging, discharge, prepares one of three kinds of operating states, and system's allotment control circuit (6) is adjusted the operating state of batteries according to the corresponding charge capacity of batteries.
A kind of solar electric power of the present invention be incorporated into the power networks structure and the method for personal multifunction system, in order to make the solar power system can not only electricity generation grid-connecting, can use by oneself again, by direct current power regulating circuit and system's allotment control circuit and electric-controlled switch group and electric power on-off controller, changed solar power system when powering for user's AC load, the System Construction that all will just can finish by storage battery and inverter and the technical scheme in single internal power path, thereby so that make the solar power system can not only electricity generation grid-connecting at structure, during the multipurpose solar electricity generating and supplying system that can use by oneself again, reduced the system hardware scale, the structure and the constituted mode that can regulate the internal power path of system have been optimized, power loss and the wasting of resources have been reduced, greatly improve the service efficiency of solar electric power, greatly increased investment repayment.
Claims (5)
1. solar electric power structure and the method for personal multifunction system that be incorporated into the power networks comprises solar power generation assembly (1), MPPT and DC/DC circuit (2), direct current power regulating circuit (3), DC/AC inverter circuit (4), discharge and recharge control and management circuit (5), system's allotment control circuit (6), batteries (7), circuit for detecting island (8), electric-controlled switch group (9), AC/DC change-over circuit (10), user's AC load (11), user's DC load (12), system bus (13), networking protection metering circuit (14), load protection and monitoring and metering circuit (15), electrical network input ammeter (16), electric power on-off controller a (101), electric power on-off controller b (102), electric power on-off controller c (103), electric power on-off controller d (104) and electric power on-off controller e (105) and electrical network; It is characterized in that solar power generation assembly (1) is connected direct current power regulating circuit (3) and connects user's AC load (11) formation generating Alternating Current Power Supply path through DC/AC inverter circuit (4), load protection and monitoring and metering circuit (15) and electric power on-off controller b (102) by MPPT with DC/DC circuit (2); Connect electrical network by circuit for detecting island (8) and electric power on-off controller c (103) with the protection metering circuit (14) of being connected by DC/AC inverter circuit (4) simultaneously and consist of the electricity generation grid-connecting path; Solar power generation assembly (1) also is connected with DC/DC circuit (2) to discharge and recharge control and management circuit (5) and link to each other with batteries (7) through electric-controlled switch group (9) by MPPT and consists of charge path; Batteries (7) through electric-controlled switch group (9), discharge and recharge control and management circuit (5) and connect direct current power regulating circuit (3) and be connected user's AC load (11) formation electric power storage Alternating Current Power Supply path by DC/AC inverter circuit (4) with monitoring and metering circuit (15) through electric power on-off controller b (102) and load protection; Batteries (7) also connects user's DC load (12) through electric-controlled switch group (9), direct current power regulating circuit (3) and electric power on-off controller e (105) and consists of electric power storage direct current supply path; Electrical network by electrical network input ammeter (16) and electric power on-off controller a (101), AC/DC change-over circuit (10), direct current power regulating circuit (3), discharge and recharge control and management circuit (5), electric-controlled switch group (9) connects the charge path that batteries (7) consists of grid power; Electrical network also links to each other with user's AC load (11) through electric power on-off controller d (104), consists of grid power to the supply path of load; System's allotment control circuit (6) is by system bus (13) and MPPT and DC/DC circuit (2), direct current power regulating circuit (3), charging control and management circuit (5), electric-controlled switch group (9), circuit for detecting island (8), networking protection metering circuit (14), load protection and monitoring and metering circuit (15) and electric power on-off controller a (101), electric power on-off controller b (102), electric power on-off controller d (104), electric power on-off controller e (105) links to each other, and forms control path; And circuit for detecting island (8) connects electrical network by electric power on-off controller c (103) and networking protection metering circuit (14).
2. be incorporated into the power networks structure and the method for personal multifunction system of described a kind of solar electric power according to claim 1, it is characterized in that being provided with in the direct current power regulating circuit (3) power monitoring dispensable circuit (31), low threshold switch (32) and high threshold switch (33), and respectively with discharge and recharge control and management circuit (5) and electric-controlled switch group (9) is connected, through the electric power of MPPT and DC/DC circuit (2) input during greater than upper limit set value or loading demand value, direct current power regulating circuit (3) is exported through discharging and recharging control and management circuit (5) accumulators group (7) electric power storage by high threshold switch (33) allotment at solar power generation assembly (1); During less than the lower limit set, allotment batteries (7) links to each other with DC/DC circuit (2) power output end with MPPT through electric-controlled switch group (9) and low threshold switch (32), carry out supplementary power with battery power, make solar power generation assembly (1) and batteries (7) satisfy the demand of user's DC load (12) or user's AC load (11) through the electric power of the rear output of direct current power regulating circuit (3) allotment.
3. be incorporated into the power networks structure and the method for personal multifunction system of described a kind of solar electric power according to claim 1, it is characterized in that being provided with embedded microprocessor in system's allotment control circuit (6), data memory module and program storage block also preset electric power allotment priority orders data and regulatory process, need for electricity and the electric power allotment priority orders of setting and the power condition execution corresponding program of solar power generation assembly (1) and batteries (7) that it monitors according to load protection and monitoring and metering circuit (15), by control electric power on-off controller a (101), electric power on-off controller b (102), electric power on-off controller c (103) and electric power on-off controller d (104), the break-make of electric power on-off controller e (105) and electric-controlled switch group (9) makes the respective electrical power path be in the state that switches on or off accordingly, finishes control and regulates electrical path; Also dynamically send simultaneously the upper and lower limit threshold data of electric power input to direct current power regulating circuit (3); Its allotment priority orders is solar power generation assembly (1), batteries (7), electrical network at a low price electric power and electrical network high price electric power, and battery power to carry out supplementary power be automatically to carry out on-off valve regulation by the low threshold switch (32) in the direct current power regulating circuit (3).
4. be incorporated into the power networks structure and the method for personal multifunction system of described a kind of solar electric power according to claim 1, it is characterized in that direct current power regulating circuit (3) has solar power generation assembly (1) and batteries (7) and AC/DC change-over circuit (10) three road power input end mouths, and have and connect respectively DC/AC inverter circuit (4), electric-controlled switch group (9) and connection electric power on-off controller e (105) are connected three power output end mouths of control and management circuit (5) with connection to user's DC load (12), its power regulating method is when loading demand is satisfied in solar power generation assembly (1) input,, the electric power of surplus power is regulated to discharging and recharging control and management circuit (5) to batteries (7) electric power storage by high threshold switch (33) during electricity if still have a surplus behind the supply load; When solar power generation assembly (1) input electric power can not satisfy loading demand, regulate batteries (7) by low threshold switch (32) and supply with user's DC load (12) to DC/AC inverter circuit (4) or through electric power on-off controller e (105) in real time, satisfy the need for electricity of user load with this; When batteries (7) can not satisfy the load need for electricity, direct current power regulating circuit (3) is reporting system allotment control circuit (6), connects electrical network by system's allotment control circuit (6) control electric power on-off controller d (104) and transfers mains supply to; In the electrical network low ebb electricity price period, can be batteries (7) electric power storage by control electric power on-off controller a (101) also.
5. be incorporated into the power networks structure and the method for personal multifunction system of described a kind of solar electric power according to claim 1, it is characterized in that batteries (7) is divided into unitary battery more than three groups, each group storage battery group is connected with electric-controlled switch group (9) respectively, and each group storage battery group is operated in respectively charging, discharge, prepares one of three kinds of operating states, and system's allotment control circuit (6) is adjusted the operating state of batteries according to the corresponding charge capacity of batteries.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110228464.4A CN102931676B (en) | 2011-08-11 | 2011-08-11 | Structure of solar power grid-connected self-use multifunctional system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110228464.4A CN102931676B (en) | 2011-08-11 | 2011-08-11 | Structure of solar power grid-connected self-use multifunctional system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102931676A true CN102931676A (en) | 2013-02-13 |
| CN102931676B CN102931676B (en) | 2015-01-21 |
Family
ID=47646416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110228464.4A Active CN102931676B (en) | 2011-08-11 | 2011-08-11 | Structure of solar power grid-connected self-use multifunctional system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102931676B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103595074A (en) * | 2013-11-26 | 2014-02-19 | 北京国电通网络技术有限公司 | System for integrated operation of intelligent grid-off-and-in inverter |
| CN103915856A (en) * | 2014-04-17 | 2014-07-09 | 中南大学 | Base station grid connected-charging photovoltaic micro-inverter system and control method thereof |
| CN104682859A (en) * | 2015-02-12 | 2015-06-03 | 曲阜师范大学 | Topological structure of photovoltaic power generation system based on DC photovoltaic module |
| CN106058905A (en) * | 2016-07-20 | 2016-10-26 | 姜宪明 | Distributed photovoltaic energy storage peak regulation system based on power prediction |
| CN106160209A (en) * | 2015-03-09 | 2016-11-23 | 周锡卫 | A kind of framework of energy the Internet termination controller |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001008383A (en) * | 1999-06-21 | 2001-01-12 | Nissin Electric Co Ltd | Photovoltaic power generating set |
| CN101867217A (en) * | 2009-12-27 | 2010-10-20 | 陈立新 | Intelligent power supply inverter and control method |
| US20110148195A1 (en) * | 2009-12-23 | 2011-06-23 | Samsung Sdi Co., Ltd. | Energy storage system and method of controlling the same |
| CN202134924U (en) * | 2011-08-11 | 2012-02-01 | 周锡卫 | Structure of multifunctional system of solar power and self use connected grid |
-
2011
- 2011-08-11 CN CN201110228464.4A patent/CN102931676B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001008383A (en) * | 1999-06-21 | 2001-01-12 | Nissin Electric Co Ltd | Photovoltaic power generating set |
| US20110148195A1 (en) * | 2009-12-23 | 2011-06-23 | Samsung Sdi Co., Ltd. | Energy storage system and method of controlling the same |
| CN101867217A (en) * | 2009-12-27 | 2010-10-20 | 陈立新 | Intelligent power supply inverter and control method |
| CN202134924U (en) * | 2011-08-11 | 2012-02-01 | 周锡卫 | Structure of multifunctional system of solar power and self use connected grid |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103595074A (en) * | 2013-11-26 | 2014-02-19 | 北京国电通网络技术有限公司 | System for integrated operation of intelligent grid-off-and-in inverter |
| CN103595074B (en) * | 2013-11-26 | 2016-08-17 | 北京国电通网络技术有限公司 | The system that a kind of intelligence is run from combining inverter integration |
| CN103915856A (en) * | 2014-04-17 | 2014-07-09 | 中南大学 | Base station grid connected-charging photovoltaic micro-inverter system and control method thereof |
| CN103915856B (en) * | 2014-04-17 | 2016-07-20 | 中南大学 | A kind of base station is grid-connected-charging photovoltaic micro-inverter system and control method thereof |
| CN104682859A (en) * | 2015-02-12 | 2015-06-03 | 曲阜师范大学 | Topological structure of photovoltaic power generation system based on DC photovoltaic module |
| CN106160209A (en) * | 2015-03-09 | 2016-11-23 | 周锡卫 | A kind of framework of energy the Internet termination controller |
| CN106160209B (en) * | 2015-03-09 | 2018-10-23 | 周锡卫 | A kind of energy internet termination controller |
| CN106058905A (en) * | 2016-07-20 | 2016-10-26 | 姜宪明 | Distributed photovoltaic energy storage peak regulation system based on power prediction |
| CN106058905B (en) * | 2016-07-20 | 2018-12-07 | 姜宪明 | Distributed photovoltaic energy storage peak shaving system based on power prediction |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102931676B (en) | 2015-01-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202134924U (en) | Structure of multifunctional system of solar power and self use connected grid | |
| CN106487036B (en) | A kind of independent photovoltaic dragging system capacity collocation method based on multi-objective optimization algorithm | |
| CN102427249B (en) | Method and system for controlling distributed micro-grid parallel operation | |
| CN103107600B (en) | Intelligent charging and power supply system of internet of things and scheduling method thereof | |
| CN110112783B (en) | Photovoltaic storage battery microgrid dispatching control method | |
| CN102496949B (en) | Method and system capable of optimizing and controlling micro-network energy-storage system | |
| CN102324752A (en) | Wind power generation-combined ordered charge and discharge coordinated control system of pure electric vehicle | |
| CN103199564A (en) | Intelligent power grid distributed self-supporting photovoltaic power supply system | |
| CN110289622B (en) | Day-ahead economic optimization scheduling method for optical storage and energy charging router | |
| CN104767224A (en) | Energy management method of multi-energy-storage-type containing grid-connection type wind and light storage micro-grid | |
| CN110323785B (en) | Multi-voltage-level direct-current power distribution network optimization scheduling method for source network load storage interaction | |
| CN104241720A (en) | Charge control method for electromobile direct-current rapid charging station in microgrid | |
| CN201966627U (en) | Multi-power multi-accumulator intelligent balanced power supply system | |
| CN102931676B (en) | Structure of solar power grid-connected self-use multifunctional system | |
| CN201966664U (en) | Solar power generating and supplying system | |
| CN111231713A (en) | Electric automobile charging and discharging system and control method | |
| CN202888862U (en) | Energy storage inverter suitable for distributed new energy power | |
| CN102751734B (en) | Intelligent balanced power-supply system with multiple electric powers and multiple electric power storage | |
| CN206908304U (en) | A kind of intelligent micro-grid energy-storage system | |
| CN116316767B (en) | Network side power management control method and device for optical storage system | |
| CN112510768A (en) | Power supply system | |
| CN110165692B (en) | Virtual energy storage peak regulation system and method based on photovoltaic-storage battery-temperature control load | |
| CN104281984A (en) | Power supply method for microgrid economical operation | |
| CN110661279A (en) | Energy storage system | |
| JP2021057180A (en) | Power supply system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170124 Address after: 300405 Tianjin City, Beichen economic and Technological Development Zone Tianjin high-end equipment manufacturing Industrial Park 10000 River Road and Yongxing Road intersection 150 meters south Patentee after: The rich treasure of new energy technology (Tianjin) Co., Ltd. Address before: 100102 Chaoyang District, South Lake Road, No. 8, North building, room 2, room, No. 301 Patentee before: Zhou Xiwei |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180531 Address after: 211135 300 Chi Hui Road, Qilin science and Technology Innovation Park, Jiangning District, Nanjing, Jiangsu Patentee after: Rich energy Energy Technology Co., Ltd. Address before: 300405 Tianjin Beichen economic and Technological Development Zone Tianjin high-end equipment manufacturing Industrial Park Wan River Road and Yongxing Road intersection 150 meters south Patentee before: The rich treasure of new energy technology (Tianjin) Co., Ltd. |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 211135 300 Chi Hui Road, Qilin science and Technology Innovation Park, Nanjing, Jiangsu Patentee after: Funenbao Energy Technology Group Co.,Ltd. Address before: 211135 300 Chi Hui Road, Qilin science and Technology Innovation Park, Jiangning District, Nanjing, Jiangsu Patentee before: Funengbao Energy Technology Co.,Ltd. |