CN205544331U - Contravariant controlling means and grid -connected electricity generation system are incorporated into power networks - Google Patents
Contravariant controlling means and grid -connected electricity generation system are incorporated into power networks Download PDFInfo
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- CN205544331U CN205544331U CN201620314607.1U CN201620314607U CN205544331U CN 205544331 U CN205544331 U CN 205544331U CN 201620314607 U CN201620314607 U CN 201620314607U CN 205544331 U CN205544331 U CN 205544331U
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- 230000005611 electricity Effects 0.000 title abstract description 6
- 230000005540 biological transmission Effects 0.000 claims abstract description 8
- 238000012544 monitoring process Methods 0.000 claims description 13
- 238000006243 chemical reaction Methods 0.000 abstract 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
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- Supply And Distribution Of Alternating Current (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The utility model discloses a contravariant controlling means is incorporated into the power networks, including contravariant module, control module, input and interchange output, control module includes direct current converge unit and alternating -current distribution unit, the contravariant module is converged unit and direct -current input end electricity through the direct current and is connected, and alternating -current distribution unit is passed through to the contravariant module and the interchange output is electric is connected, the direct current converges the unit and is used for converging the direct current by direct -current input end input and transmit to the contravariant module, it is the alternating current that the contravariant module is used for the DC conversion with coming through the transmission of direct -current input end, alternating -current distribution unit is used for with the alternating current transmission after the conversion of contravariant module to exchanging the output, contravariant module and control module structure as an organic whole. The aforesaid contravariant controlling means that is incorporated into the power networks can improve the generating efficiency of grid -connected electricity generation system. The utility model discloses still disclose a grid -connected electricity generation system.
Description
Technical field
This utility model relates to control technical field of generating electricity by way of merging two or more grid systems, and particularly relates to a kind of parallel network reverse and controls device and grid-connected system.
Background technology
Distributed photovoltaic grid-connected system is made up of photovoltaic module, photovoltaic bracket, direct current conflux case, combining inverter, A.C. distribution box etc..Solar energy is converted directly into direct current energy by photovoltaic module, confluxes through direct current conflux case.Unidirectional current after confluxing, after combining inverter inversion, is converted to the alternating current that load needs, eventually passes A.C. distribution box, photovoltaic system is linked into electrical network.
In traditional photovoltaic parallel in system, combining inverter and A.C. distribution box are separate design, need by ac power cable, combining inverter to be connected with A.C. distribution box.And combining inverter and A.C. distribution box distant time, connection cable between the two is longer, can reduce the generated energy of photovoltaic system largely, affects the generating efficiency of grid-connected photovoltaic system.
Summary of the invention
The technical problems to be solved in the utility model is for above-mentioned the deficiencies in the prior art, it is provided that a kind of grid-connected system that enables to has parallel network reverse control device and the grid-connected system of higher electrical generation efficiency.
For solving above-mentioned technical problem, technical solution adopted in the utility model is: a kind of parallel network reverse controls device, including inversion module, control module, direct-flow input end and ac output end；Described control module includes direct current joining unit and Alternating Current Unit；Described inversion module is electrically connected with described direct-flow input end by described direct current joining unit, and described inversion module is electrically connected with described ac output end by described Alternating Current Unit；
Described direct current joining unit is for confluxing the unidirectional current inputted by described direct-flow input end and transmitting to described inversion module；
Described inversion module is for being converted to alternating current by the unidirectional current come by the transmission of described direct-flow input end；
Described Alternating Current Unit is for by the alternating current transmission after described inversion module is changed to described ac output end；
Described inversion module and described control module are structure as a whole.
Preferably, described control module also includes monitoring unit；Described monitoring unit is connected with described inversion module, is used for gathering power information, and sends the power information collected to mobile terminal；
Described power information includes at least one in voltage, electric current and generated energy.
Preferably, described monitoring unit is connected with mobile terminal by RS485 or WIFI.
Preferably, described direct current joining unit includes the first chopper and the first lightning protection device；
Described inversion module is electrically connected with described direct-flow input end by described first chopper；
Described first lightning protection device is arranged between described inversion module and described first chopper.
Preferably, described Alternating Current Unit includes the first disconnecting switch and more than one chopper；
Described inversion module passes sequentially through each chopper and described first disconnecting switch electrically connects with described ac output end.
Preferably, described Alternating Current Unit also includes the second lightning protection device；Described second lightning protection device is arranged between described first disconnecting switch and described chopper.
This utility model also proposes a kind of grid-connected system, controls device including electrification component and any one parallel network reverse above-mentioned；The direct-flow input end that described electrification component controls device with described parallel network reverse electrically connects, and described parallel network reverse controls the ac output end of device for electrically connecting with electrical network.
Use and have the beneficial effects that produced by technique scheme: above-mentioned parallel network reverse controls device and inversion module and control module are arranged to integrative-structure, it is possible to increase the matching of total system, improve the generating efficiency of grid-connected system.Further, monitoring unit is set and can send the electric power data of grid-connected system in real time, be pushed to the mobile terminals such as mobile phone, help client to grasp the traffic-operating period in power station in real time.
Accompanying drawing explanation
Fig. 1 is the structural representation that this utility model parallel network reverse controls device；
Fig. 2 is the circuit diagram that this utility model parallel network reverse controls in one embodiment of device.
In figure: 100, parallel network reverse controls device；110, inversion module；120, control module；121, direct current joining unit；122, Alternating Current Unit；123, monitoring unit.
Detailed description of the invention
With detailed description of the invention, this utility model is described in further detail below in conjunction with the accompanying drawings.
As it is shown in figure 1, in an embodiment, parallel network reverse controls device 100 can include inversion module 110, control module 120, direct-flow input end A and ac output end B.Control module 120 includes direct current joining unit 121 and Alternating Current Unit 122.Inversion module 110 is electrically connected with direct-flow input end A by direct current joining unit 121.Inversion module 110 is electrically connected with ac output end B by Alternating Current Unit 122.Direct current joining unit 121 is for confluxing the unidirectional current inputted by direct-flow input end A and transmitting to inversion module 110.Inversion module 110 is for being converted to alternating current by the unidirectional current come by direct-flow input end A transmission.Alternating Current Unit 122 is for by the alternating current transmission after inversion module 110 is changed to ac output end B.And inversion module 110 and control module 120 are structure as a whole.
Seeing Fig. 2, in an embodiment, direct current joining unit 121 can include the first circuit breaker Q F1 and the first lightning protection device FL1.Inversion module 110 is electrically connected with direct-flow input end A by the first circuit breaker Q F1.First lightning protection device FL1 is arranged between inversion module 110 and the first circuit breaker Q F1.
Same, Alternating Current Unit 122 can include the first disconnecting switch and more than one chopper.Inversion module 110 passes sequentially through each chopper and the first disconnecting switch electrically connects with ac output end B.Seeing Fig. 2, in an embodiment, Alternating Current Unit 122 includes the first disconnecting switch QS1, circuit breaker Q F2 and circuit breaker Q F3.Inversion module 110 passes sequentially through circuit breaker Q F2, circuit breaker Q F3 and the first disconnecting switch QS1 and electrically connects with ac output end B.It addition, Alternating Current Unit 122 can also include the second lightning protection device.Seeing Fig. 2, the second lightning protection device FL2 can be arranged between the first disconnecting switch QS1 and circuit breaker Q F3.
It addition, see Fig. 2, control module 120 is additionally provided with external ground wire.This is external ground wire grounded such that it is able to make the first lightning protection device FL1 and the second lightning protection device FL2 ground connection in control module 120.
Preferably, control module 120 also includes monitoring unit 123.Monitoring unit 123 is connected with inversion module 110, is used for gathering power information, and sends the power information collected to mobile terminal.Wherein, at least one information during power information can include voltage, electric current and generated energy.In one embodiment, monitoring unit 123 can pass through RS485 or WIFI(Wireless Fidelity, Wireless Fidelity) etc. mode by power information send to mobile terminal, to facilitate user to check, but be not limited thereto.In other embodiments, power information can also be sent to mobile terminal, to facilitate user to check by monitoring unit 123 by other means.
The work process that parallel network reverse controls device 100 below is described in detail.In the present embodiment, direct-flow input end A electrically connects with electrification component, and ac output end B electrically connects with electrical network.Solar energy is converted directly into direct current energy by electrification component.This direct current energy is by, after the confluxing of direct-flow input end A and direct current joining unit 121, being transferred in inversion module 110.Unidirectional current is converted to satisfactory alternating current by inversion module 110.This alternating current is transferred to ac output end B through Alternating Current Unit 122, and is finally transferred to electrical network.
Above-mentioned parallel network reverse controls device 100 and inversion module 110 and control module 120 is arranged to integrative-structure, it is possible to increase the matching of total system, improves the generating efficiency of grid-connected system, additionally it is possible to reduce construction and installation cost, and outward appearance better appearance.Meanwhile, also increase monitoring unit 123 such that it is able to send the electric power data of grid-connected system in real time, be pushed to the mobile terminals such as mobile phone, help client to grasp the traffic-operating period in power station in real time.The mounting means of wall hanging can be used to be arranged on predeterminated position it addition, above-mentioned parallel network reverse controls device 100, volume is little, lightweight, installs simple, easy to operate.
It addition, an embodiment also proposes a kind of grid-connected system.This grid-connected system can include that electrification component and any one parallel network reverse above-mentioned control device 100.The direct-flow input end A that electrification component controls device 100 with parallel network reverse electrically connects, and parallel network reverse controls the ac output end B of device 100 for electrically connecting with electrical network.Above-mentioned grid-connected system has above-mentioned parallel network reverse and controls device 100 have the advantage that.Above-mentioned electrification component can be photovoltaic electrification component, it is also possible to for wind-power electricity generation assembly, it is also possible to for the electrification component of other forms.Corresponding, above-mentioned grid-connected system can be grid-connected photovoltaic system, it is also possible to for wind power grid-connected generating system, it is also possible to for the grid-connected system of other forms.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all any amendment, equivalent and improvement etc. made within spirit of the present utility model and principle, within should be included in protection domain of the present utility model.
Claims (7)
1. a parallel network reverse controls device, it is characterised in that include inversion module, control module, direct-flow input end and ac output end；Described control module includes direct current joining unit and Alternating Current Unit；Described inversion module is electrically connected with described direct-flow input end by described direct current joining unit, and described inversion module is electrically connected with described ac output end by described Alternating Current Unit；
Described direct current joining unit is for confluxing the unidirectional current inputted by described direct-flow input end and transmitting to described inversion module；
Described inversion module is for being converted to alternating current by the unidirectional current come by the transmission of described direct-flow input end；
Described Alternating Current Unit is for by the alternating current transmission after described inversion module is changed to described ac output end；
Described inversion module and described control module are structure as a whole.
Parallel network reverse the most according to claim 1 controls device, it is characterised in that described control module also includes monitoring unit；Described monitoring unit is connected with described inversion module, is used for gathering power information, and sends the power information collected to mobile terminal；
Described power information includes at least one in voltage, electric current and generated energy.
Parallel network reverse the most according to claim 2 controls device, it is characterised in that described monitoring unit is connected with mobile terminal by RS485 or WIFI.
Parallel network reverse the most according to claim 1 controls device, it is characterised in that described direct current joining unit includes the first chopper and the first lightning protection device；
Described inversion module is electrically connected with described direct-flow input end by described first chopper；
Described first lightning protection device is arranged between described inversion module and described first chopper.
Parallel network reverse the most according to claim 1 controls device, it is characterised in that described Alternating Current Unit includes the first disconnecting switch and more than one chopper；
Described inversion module passes sequentially through each chopper and described first disconnecting switch electrically connects with described ac output end.
Parallel network reverse the most according to claim 5 controls device, it is characterised in that described Alternating Current Unit also includes the second lightning protection device；Described second lightning protection device is arranged between described first disconnecting switch and described chopper.
7. a grid-connected system, it is characterised in that include that electrification component and the parallel network reverse as described in claim 1 to 6 any one control device；The direct-flow input end that described electrification component controls device with described parallel network reverse electrically connects, and described parallel network reverse controls the ac output end of device for electrically connecting with electrical network.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620314607.1U CN205544331U (en) | 2016-04-15 | 2016-04-15 | Contravariant controlling means and grid -connected electricity generation system are incorporated into power networks |
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| CN201620314607.1U CN205544331U (en) | 2016-04-15 | 2016-04-15 | Contravariant controlling means and grid -connected electricity generation system are incorporated into power networks |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105743125A (en) * | 2016-04-15 | 2016-07-06 | 保定英利分布式能源股份有限公司 | Grid-connected inversion control device and grid-connected power generation system |
-
2016
- 2016-04-15 CN CN201620314607.1U patent/CN205544331U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105743125A (en) * | 2016-04-15 | 2016-07-06 | 保定英利分布式能源股份有限公司 | Grid-connected inversion control device and grid-connected power generation system |
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| C14 | Grant of patent or utility model | ||
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| CP01 | Change in the name or title of a patent holder |
Address after: No. 3399 Chaoyang North Street, Baoding City, Hebei Province, 071000 Patentee after: Hebei Yineng Science and Technology Co.,Ltd. Address before: No. 3399 Chaoyang North Street, Baoding City, Hebei Province, 071000 Patentee before: BAODING YINGLI DISTRIBUTED ENERGY Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160831 |
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| CF01 | Termination of patent right due to non-payment of annual fee |