CN110120709A - A kind of agriculture row transformer photovoltaic energy storage supply intelligent terminal system - Google Patents
A kind of agriculture row transformer photovoltaic energy storage supply intelligent terminal system Download PDFInfo
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- CN110120709A CN110120709A CN201910425337.XA CN201910425337A CN110120709A CN 110120709 A CN110120709 A CN 110120709A CN 201910425337 A CN201910425337 A CN 201910425337A CN 110120709 A CN110120709 A CN 110120709A
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- automatic switching
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- 238000004146 energy storage Methods 0.000 title claims abstract description 44
- 230000009977 dual effect Effects 0.000 claims abstract description 34
- 238000009826 distribution Methods 0.000 claims abstract description 18
- 230000005611 electricity Effects 0.000 claims description 16
- 238000005259 measurement Methods 0.000 claims description 16
- 238000003860 storage Methods 0.000 claims description 11
- 238000009434 installation Methods 0.000 claims description 5
- 230000000087 stabilizing effect Effects 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 abstract description 4
- 238000010276 construction Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012271 agricultural production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
- H02J13/00007—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using the power network as support for the transmission
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- H02J13/0006—
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- H02J13/0062—
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/061—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for DC powered loads
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S10/00—PV power plants; Combinations of PV energy systems with other systems for the generation of electric power
- H02S10/20—Systems characterised by their energy storage means
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
-
- 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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
-
- 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
-
- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/12—Energy storage units, uninterruptible power supply [UPS] systems or standby or emergency generators, e.g. in the last power distribution stages
-
- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
- Y04S20/248—UPS systems or standby or emergency generators
Abstract
The invention discloses a kind of agricultures to arrange transformer photovoltaic energy storage supply intelligent terminal system, including dual power supply automatic switching device, the two-way power supply that is respectively connected to dual power supply automatic switching device electric energy input port, the electric energy meter for being connected electrically in the power output line of dual power supply automatic switching device power output mouth and being connected on power output line;Power supply described in two-way is respectively photovoltaic power supply power-supply system and power distribution network powersupply system.The present invention, which is reduced, does not have the controller switching equipment of power to run on route, reduce equipment no-load loss, improves line powering reliability, prevents frequently to have a power failure and causes complaint risk and bad weather accident risk;No matter power distribution network charges or has a power failure, and can be realized 24 hours uninterrupted on-line monitorings of ammeter data.
Description
Technical field
The present invention relates to power distribution network power construction technical fields, and in particular to a kind of agriculture row transformer photovoltaic energy storage power supply intelligence
It can terminal system.
Background technique
China's agricultural planting area is extensive, needs to configure agriculture row's transformer as agricultural production and provides power supply.Due to agriculture
The characteristics of industry produces, existing a large amount of agriculture row's no-load transformers or light running, and idle time is longer, northern agricultural planting
The region general agriculture row change effective use time is only 3 months or so, remaining is substantially at light condition for 9 months, and no-load loss is tight
Weight.
Since most areas Nong Paitai layout closeer, electricity consumption frequent switching electricity consumption is small, and runing time is not concentrated, a large amount of to cultivate
Industry or planting industry cause the part platform head of district year to transport in no-load run state or light load because the factor of environmental protection migrates field
Row state.
The no-load loss of power transformer causes the significant wastage of electric power energy;No-load loss seriously restricts high-tension line
Wastage reducing and energy saving work.
Summary of the invention
The object of the present invention is to provide a kind of agricultures that emptying load-loss is arranged in reduction agriculture to arrange transformer photovoltaic energy storage supply intelligent
Terminal system.
To achieve the goals above, the technical solution adopted by the present invention is as follows:
Transformer photovoltaic energy storage supply intelligent terminal system is arranged in a kind of agriculture, including dual power supply automatic switching device, be respectively connected to it is double
The two-way power supply of automatic power-supply switch electric energy input port, the electricity for being connected electrically in dual power supply automatic switching device power output mouth
Energy output line and the electric energy meter being connected on power output line;
Power supply described in two-way is respectively photovoltaic power supply power-supply system and power distribution network powersupply system.
As a further improvement of the present invention, the dual power supply automatic switching device is fixedly mounted on electric force pole tower 3.5-
At 4.5 meters of height.
As a further improvement of the present invention, the power distribution network powersupply system includes the change being fixed on electric force pole tower
Depressor, the transformer primary side connect power distribution network, the double electricity of secondary side power transmission line connection of the transformer by high-tension line
The primary electric energy input port of source automatic switching control equipment.
As a further improvement of the present invention, the photovoltaic power supply power-supply system includes the photovoltaic of installation outdoors
Board group part, the controller for being connected electrically in solar energy photovoltaic panel component electric energy output end, the storage for being connected to controller electric energy output end
Energy device and the inverter for connecting energy storage device output end.
As a further improvement of the present invention, the controller connects solar energy photovoltaic panel component, the sun using two phase lines
The unstable direct current that energy photovoltaic panel assembly generates is filtered pressure stabilizing at stable direct current, smoothly directly by controller
Galvanic electricity is input to energy storage device by the output end of controller, and the DC voltage of the energy storage device output is converted into through inverter
Alternating voltage, alternating voltage are inputted by the stand-by electric energy that the voltage output end of inverter is connected to dual power supply automatic switching device
Mouthful.
As a further improvement of the present invention, the energy storage device uses the energy storage storage battery of 3*20A.
As a further improvement of the present invention, the dual power supply automatic switching device is 225A model dual-power automatic switching
Device, the electric energy meter are the straight-through measurement meter for connecting 225A model dual-power automatic switching device power output mouth.
As a further improvement of the present invention, the dual power supply automatic switching device is 32A model dual-power automatic switching
Device, the electric energy meter are the mutual inductance measurement meter for connecting 32A model dual-power automatic switching device power output mouth.
As a further improvement of the present invention, the mutual inductance measurement meter carries out electricity consumption charging, the double electricity of the 32A model
Source automatic switching device power output mouth is electrically connected with critical point concentrator, the critical point concentrator examination power output line output
Current Voltage and the energy data for acquiring mutual inductance measurement meter.
As a further improvement of the present invention, the critical point concentrator by 485 lines or carrier wave and mutual inductance measurement meter into
Row communication.
Compared with prior art, obtained by the present invention to have the beneficial effect that:
1, it establishes agriculture row and becomes instant conjunction, the management mode without operating a switch.
2, whole branched line seasonality drawing is realized to the Nong Pai great branch to satisfy the requirements.
3, as much as possible reducing does not have the controller switching equipment of power to run on route, reduce equipment no-load loss, improves line
Road power supply reliability prevents frequently to have a power failure and causes complaint risk and bad weather accident risk.
4, no matter power distribution network charges or has a power failure, and can be realized 24 hours uninterrupted on-line monitorings of ammeter data.
5, the effective practice of marketing lean management, the effective practice of comprehensive energy utilization and extention.
Detailed description of the invention
Attached drawing 1 is the working principle of the invention figure.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of embodiments of the present application, instead of all the embodiments.Below
Description only actually at least one exemplary embodiment be it is illustrative, never as to the application and its application or making
Any restrictions.Based on the embodiment in the application, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, shall fall in the protection scope of this application.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
Unless specifically stated otherwise, positioned opposite, the digital table of the component and step that otherwise illustrate in these embodiments
Up to the unlimited scope of the present application processed of formula and numerical value.Simultaneously, it should be appreciated that for ease of description, each portion shown in attached drawing
The size divided not is to draw according to actual proportionate relationship.For technology, side known to person of ordinary skill in the relevant
Method and equipment may be not discussed in detail, but in the appropriate case, and the technology, method and apparatus should be considered as authorizing explanation
A part of book.In shown here and discussion all examples, any occurrence should be construed as merely illustratively, and
Not by way of limitation.Therefore, the other examples of exemplary embodiment can have different values.It should also be noted that similar label
Similar terms are indicated in following attached drawing with letter, therefore, once it is defined in a certain Xiang Yi attached drawing, then subsequent attached
It does not need that it is further discussed in figure.
For ease of description, spatially relative term can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be understood that spatially relative term is intended to comprising the orientation in addition to device described in figure
Except different direction in use or operation.For example, being described as if the device in attached drawing is squeezed " in other devices
It will be positioned as " under other devices or construction after part or construction top " or the device of " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " may include " ... top " and
" in ... lower section " two kinds of orientation.The device can also be positioned with other different modes and (is rotated by 90 ° or in other orientation), and
And respective explanations are made to the opposite description in space used herein above.
Embodiment one
As shown in Fig. 1, transformer photovoltaic energy storage supply intelligent terminal system, including Dual-power automatic switching dress are arranged in a kind of agriculture
It sets, the two-way power supply that is respectively connected to dual power supply automatic switching device electric energy input port, be connected electrically in dual power supply automatic switching device
The power output line of power output mouth and the electric energy meter being connected on power output line;
Power supply described in two-way is respectively photovoltaic power supply power-supply system and power distribution network powersupply system.
The dual power supply automatic switching device is fixedly mounted at 3.5-4.5 meters of height of electric force pole tower.
The power distribution network powersupply system includes the transformer being fixed on electric force pole tower, and the transformer primary side is logical
Cross high-tension line connection power distribution network, the primary electric energy of the secondary side power transmission line connection dual power supply automatic switching device of the transformer
Input port.
The photovoltaic power supply power-supply system includes installation solar energy photovoltaic panel component outdoors, is connected electrically in solar energy
It is defeated to lie prostrate the controller of board group part electric energy output end, the energy storage device for being connected to controller electric energy output end and connection energy storage device
The inverter of outlet.
The controller connects solar energy photovoltaic panel component using two phase lines, and solar energy photovoltaic panel component generates unstable
Direct current pressure stabilizing is filtered into stable direct current by controller, stable direct current is defeated by the output end of controller
Enter to energy storage device, the DC voltage of the energy storage device output is converted into alternating voltage through inverter, and alternating voltage passes through inverse
The voltage output end for becoming device is connected to the stand-by electric energy input port of dual power supply automatic switching device.
The energy storage device uses the energy storage storage battery of 3*20A.
The dual power supply automatic switching device is 225A model dual-power automatic switching device, and the electric energy meter is to connect
Connect the straight-through measurement meter of 225A model dual-power automatic switching device power output mouth.
Embodiment two
As shown in Fig. 1, transformer photovoltaic energy storage supply intelligent terminal system, including Dual-power automatic switching dress are arranged in a kind of agriculture
It sets, the two-way power supply that is respectively connected to dual power supply automatic switching device electric energy input port, be connected electrically in dual power supply automatic switching device
The power output line of power output mouth and the electric energy meter being connected on power output line;
Power supply described in two-way is respectively photovoltaic power supply power-supply system and power distribution network powersupply system.
The dual power supply automatic switching device is fixedly mounted at 3.5-4.5 meters of height of electric force pole tower.
The power distribution network powersupply system includes the transformer being fixed on electric force pole tower, and the transformer primary side is logical
Cross high-tension line connection power distribution network, the primary electric energy of the secondary side power transmission line connection dual power supply automatic switching device of the transformer
Input port.
The photovoltaic power supply power-supply system includes installation solar energy photovoltaic panel component outdoors, is connected electrically in solar energy
It is defeated to lie prostrate the controller of board group part electric energy output end, the energy storage device for being connected to controller electric energy output end and connection energy storage device
The inverter of outlet.
The controller connects solar energy photovoltaic panel component using two phase lines, and solar energy photovoltaic panel component generates unstable
Direct current pressure stabilizing is filtered into stable direct current by controller, stable direct current is defeated by the output end of controller
Enter to energy storage device, the DC voltage of the energy storage device output is converted into alternating voltage through inverter, and alternating voltage passes through inverse
The voltage output end for becoming device is connected to the stand-by electric energy input port of dual power supply automatic switching device.
The energy storage device uses the energy storage storage battery of 3*20A.
The dual power supply automatic switching device is 32A model dual-power automatic switching device, and the electric energy meter is to connect
Connect the mutual inductance measurement meter of 32A model dual-power automatic switching device power output mouth.
The mutual inductance measurement meter carries out electricity consumption charging, the 32A model dual-power automatic switching device power output
Mouth is electrically connected with critical point concentrator, and the Current Voltage of the critical point concentrator examination power output line output simultaneously acquires mutual inductance metering
The energy data of meter.
The critical point concentrator is communicated by 485 lines or carrier wave with mutual inductance measurement meter.
Dual power supply automatic switching device is to be changed to match all the way by the original power supply of power distribution network all the way (mains supply)
Power grid power supply (mains supply), all the way photovoltaic power supply power supply;Ammeter is first accessed by original voltage, electric current and is more first connect
Enter dual power supply automatic switching device and access ammeter again, reduces critical point concentrator and family table to the dependence of mains supply.
Any power cut-off all the way, another way power supply realize automatic switching, promoted critical point concentrator and family table it is real-time
Line level monitoring.
Dual power supply automatic switching device 225A is suitable for straight-through ammeter, because straight-through ammeter capacity is 10(100) A, great Rong
The automatic switching control equipment of amount is to cut off, put into primary voltage, primary current.
Dual power supply automatic switching device 32A is suitable for mutual inductance ammeter, because mutual inductance ammeter capacity is 1.5(6) A, mutual electrification
Table need to be equipped with current transformer use, and the automatic switching control equipment of low capacity is to cut off, put into secondary voltage.
Embodiment one can be used with electric elements involved in embodiment two:
Photovoltaic panel -55W
Manufacturer: Shangdong Dahai Group Corp.;
High-quality photovoltaic module generating efficiency considers that installation early period cost selects 55W under the premise of effective power generation, the service life 25 years.
Controller
Manufacturer: Shijiazhuang KE Electric Co., Ltd.;
Controller is to enter controller after the direct current that photovoltaic panel is issued pours storage battery, in order that confessing stable direct current
Power supply.
Energy storage storage battery -3*20AH
Manufacturer: Hebei Ao Guan limited electrical power responsible company;
Energy storage storage battery (1) is that the unstable direct current that photovoltaic is issued is filtered pressure stabilizing and then exports stable DC
Into inverter;It (2) is to guarantee to provide uninterruptedly in the case where night, continuous rainy weather, alternating current power-off to Source of Gateway Meter, family table
Power supply (3) is matched with photovoltaic panel generating capacity and charging ability.
Inverter -50W
Manufacturer: Shijiazhuang KE Electric Co., Ltd.;
Inverter (1) is that stable DC in storage battery is carried out inversion to generate equipment (2) inverter that 220V stablizes alternating current
There is also losses for itself, and also in the electric energy of loss energy storage storage battery, equipping rules are inverters under the premise of meeting inversion, power
It is the smaller the better, it is ensured that storage battery being capable of long-time stable supply.
Dual power supply automatic switching device
Manufacturer: ChangShu Switch Manufacturing Co., Ltd;
Dual power supply automatic switching device (1) realize the automatic switching (2) of mains supply and photo-voltaic power supply to mutual inductor meter and
Straight-through meter is able to cutting voltage (3) pressure-wire and first enters double cutting and change lock entering metering device.
Critical point concentrator
Manufacturer: Ningbo Jianan Electronics Co., Ltd.;
Model: DJGZ23-NBJN07 type concentrator;
Voltage: three-phase and four-line 3x380/220V;
Electric current: 3*1.5 (6) A.
Straight-through measurement meter
Manufacturer: HangZhou BaiFu Electronic Technology Co., Ltd;
Model: DTZY532-Z;
Voltage: three-phase and four-line 3x380/220V;
Electric current: 10 (100) A.
Mutual inductance measurement meter
Manufacturer: Sunrise Technology Co., Ltd.;
Model: DTZY1296-Z;
Voltage: three-phase and four-line 3x380/220V;
Electric current: 1.5 (6) A.
By taking Hebei province Gucheng County as an example, 941 square kilometres of area of Hebei province Gucheng County county domain, the whole county has 13 small towns under its command,
538 administrative villages, whole county total population 510,000,29.52 ten thousand mu of the total sown area of crops belong to typical Large Counties Based on Agriculture.Gucheng
Existing 10 KV line of company 121,10 KV line that middle peasant's row's change accounting surpasses 50% account for 67, and agriculture is arranged big route and accounted for
Than 55.53%.6924, the existing area Gong Biantai in the whole county, 846.48 megavolt-ampere of total capacity, 3668, the area middle peasant Pai Tai, Zhan Gongbian
The 52.97% of total quantity accounts for the 26.93% of public change total capacity.Agriculture row is only 3 months or so the change effective use time, remaining is 9 months
It is substantially at light condition, no-load loss is serious.
It is calculated according to every 200 watts of 50 kilovolt-amperes of transformer noload losses, daily 4.8 kilowatt hour of no-load loss electricity, often
100 kilovolt-amperes of platform, 540 watts of transformer noload losses calculates, daily 12.9 kilowatt hour of no-load loss electricity, every 200 kilovolt-amperes of changes
900 watts of depressor no-load loss calculating, daily 21.6 kilowatt hour of no-load loss electricity, agriculture row in the whole county is emptying to carry daily loss of electricity
22323 kilowatt hours, annual agriculture row became 602.7 ten thousand kilowatt hour of (9 months light unloaded) loss of electricity, with Gucheng company 2018 10000
8.395 hundred million kilowatt hour of power supply volume is lied prostrate, 8.16 hundred million kilowatt hour of electricity sales amount for line loss per unit 2.75%, can be reduced using this system whole year
10 kilovolts 0.72 percentage point of line loss.
Using intelligent terminal system of the invention, have the effect that
1, it establishes agriculture row and becomes instant conjunction, the management mode without operating a switch.
2, whole branched line seasonality drawing is realized to the Nong Pai great branch to satisfy the requirements.
3, as much as possible reducing does not have the controller switching equipment of power to run on route, reduce equipment no-load loss, improves line
Road power supply reliability prevents frequently to have a power failure and causes complaint risk and bad weather accident risk.
4, no matter power distribution network charges or has a power failure, and can be realized 24 hours uninterrupted on-line monitorings of ammeter data.
5, the effective practice of marketing lean management, the effective practice of comprehensive energy utilization and extention.
Embodiment described above is merely a preferred embodiment of the present invention, and the simultaneously exhaustion of the feasible implementation of non-present invention.It is right
For persons skilled in the art, any aobvious to made by it under the premise of without departing substantially from the principle of the invention and spirit and
The change being clear to should be all contemplated as falling within claims of the invention.
Claims (10)
1. transformer photovoltaic energy storage supply intelligent terminal system is arranged in a kind of agriculture, it is characterised in that: filled including Dual-power automatic switching
It sets, the two-way power supply that is respectively connected to dual power supply automatic switching device electric energy input port, be connected electrically in dual power supply automatic switching device
The power output line of power output mouth and the electric energy meter being connected on power output line;
Power supply described in two-way is respectively photovoltaic power supply power-supply system and power distribution network powersupply system.
2. transformer photovoltaic energy storage supply intelligent terminal system is arranged in a kind of agriculture according to claim 1, it is characterised in that: institute
Dual power supply automatic switching device is stated to be fixedly mounted at 3.5-4.5 meters of height of electric force pole tower.
3. transformer photovoltaic energy storage supply intelligent terminal system is arranged in a kind of agriculture according to claim 2, it is characterised in that: institute
Stating power distribution network powersupply system includes the transformer being fixed on electric force pole tower, and the transformer primary side passes through high-tension line
Connect power distribution network, the primary electric energy input port of the secondary side power transmission line connection dual power supply automatic switching device of the transformer.
4. transformer photovoltaic energy storage supply intelligent terminal system is arranged in a kind of agriculture according to claim 1, it is characterised in that: institute
Photovoltaic power supply power-supply system is stated to include installation solar energy photovoltaic panel component outdoors, be connected electrically in solar energy photovoltaic panel component electricity
The controller of energy output end, the energy storage device for being connected to controller electric energy output end and the inversion for connecting energy storage device output end
Device.
5. transformer photovoltaic energy storage supply intelligent terminal system is arranged in a kind of agriculture according to claim 4, it is characterised in that: institute
It states controller and connects solar energy photovoltaic panel component using two phase lines, the unstable direct current that solar energy photovoltaic panel component generates is logical
It crosses controller and is filtered pressure stabilizing into stable direct current, stable direct current is input to energy storage by the output end of controller and fills
It sets, the DC voltage of the energy storage device output is converted into alternating voltage, the voltage that alternating voltage passes through inverter through inverter
Output end is connected to the stand-by electric energy input port of dual power supply automatic switching device.
6. transformer photovoltaic energy storage supply intelligent terminal system is arranged in a kind of agriculture according to claim 4 or 5, feature exists
In: the energy storage device uses the energy storage storage battery of 3*20A.
7. transformer photovoltaic energy storage supply intelligent terminal system is arranged in a kind of agriculture according to claim 5, it is characterised in that: institute
Stating dual power supply automatic switching device is 225A model dual-power automatic switching device, and the electric energy meter is connection 225A model
The straight-through measurement meter of dual-power automatic switching device power output mouth.
8. transformer photovoltaic energy storage supply intelligent terminal system is arranged in a kind of agriculture according to claim 5, it is characterised in that: institute
Stating dual power supply automatic switching device is 32A model dual-power automatic switching device, and the electric energy meter is that connection 32A model is double
The mutual inductance measurement meter of power supply automatic switching device power output mouth.
9. transformer photovoltaic energy storage supply intelligent terminal system is arranged in a kind of agriculture according to claim 8, it is characterised in that: institute
It states mutual inductance measurement meter and carries out electricity consumption charging, the 32A model dual-power automatic switching device power output mouth is electrically connected with
Critical point concentrator, the Current Voltage of the critical point concentrator examination power output line output and the electric energy for acquiring mutual inductance measurement meter
Data.
10. transformer photovoltaic energy storage supply intelligent terminal system is arranged in a kind of agriculture according to claim 9, it is characterised in that:
The critical point concentrator is communicated by 485 lines or carrier wave with mutual inductance measurement meter.
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