CN107612040A - Photovoltaic generation exchanges grid connection box safety device - Google Patents
Photovoltaic generation exchanges grid connection box safety device Download PDFInfo
- Publication number
- CN107612040A CN107612040A CN201711141169.9A CN201711141169A CN107612040A CN 107612040 A CN107612040 A CN 107612040A CN 201711141169 A CN201711141169 A CN 201711141169A CN 107612040 A CN107612040 A CN 107612040A
- Authority
- CN
- China
- Prior art keywords
- connection box
- grid connection
- breaker
- kilowatt
- hour meter
- 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.)
- Pending
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Classifications
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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
- 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
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/70—Smart grids as climate change mitigation technology in the energy generation 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
- 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
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/12—Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation
- Y04S10/123—Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation the energy generation units being or involving renewable energy sources
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- Photovoltaic Devices (AREA)
Abstract
The invention discloses a kind of photovoltaic generation to exchange grid connection box safety device, including the ammeter box set in grid connection box and grid connection box, connected between grid connection box and ammeter box by wiring hole, isolation plug-in strip, breaker, data collection station, overvoltage/undervoltage detacher, arrester and isolated island control device are included in the grid connection box；Kilowatt-hour meter is provided with the ammeter box；Described kilowatt-hour meter one end is connected with grid side, and the kilowatt-hour meter other end is connected with data collection station and overvoltage/undervoltage detacher respectively；The overvoltage/undervoltage detacher other end is connected with breaker and isolated island control device respectively, and the breaker other end connection isolation plug-in strip, the isolation plug-in strip other end is connected with photovoltaic generation side, and the breaker side is provided with arrester.The beneficial effects of the invention are as follows：Using switch of passing judgement, it is ensured that safety during grid maintenance；The connection that power-off isolation kilowatt-hour meter is surveyed with photovoltaic, makes detection accurate；Kilowatt-hour meter is communicated by network carrier and is connected with power system monitor center, contributes to the popularization of intelligent monitoring.
Description
Technical field
The present invention relates to a kind of photovoltaic generation to exchange grid connection box safety device, belongs to grid-connected technical field.
Background technology
Distributed photovoltaic power generation by its capacity is small, voltage class is low, close to load, the advantage such as small to electric network influencing,
It is widely used in industrial premises, public building and resident roof.As the important application mode of solar power generation, distributed light
Volt generating can make full use of solar energy existing feature extensively, avoid concentrating the place limiting factor built, especially in face of me
The intensive current conditions of state's central and east inhabitation, its widespread adoption prospect are extremely wide.
But existing photovoltaic exchange grid connection box, it is manual operation, manual operation has the uncertain and property delayed；Can not
Intelligence is realized when photovoltaic plant decompression, automatically cuts off power network and photovoltaic DC-to-AC converter；And when photovoltaic plant has pressure, artificial behaviour
The property delayed made, the significant wastage of electric energy can be caused；And need special messenger to supervise, waste time and energy, have a strong impact on photovoltaic plant
Practicality.
The content of the invention
In order to overcome drawbacks described above, the invention provides a kind of photovoltaic generation to exchange grid connection box safety device.
To achieve these goals, the technical scheme is that：A kind of photovoltaic generation exchanges grid connection box safety device, bag
The ammeter box set in grid connection box and grid connection box is included, is connected between grid connection box and ammeter box by wiring hole, in the grid connection box
Including isolation plug-in strip, breaker, data collection station, overvoltage/undervoltage detacher, arrester and isolated island control device；The ammeter box
It is interior to be provided with kilowatt-hour meter；Described kilowatt-hour meter one end is connected with grid side, the kilowatt-hour meter other end respectively with data collection station and excessively deficient
Press detacher connection；The overvoltage/undervoltage detacher other end is connected with breaker and isolated island control device respectively, and the breaker is another
End connection isolation plug-in strip, the isolation plug-in strip other end are connected with photovoltaic generation side, and the breaker side is provided with arrester.
Preferably, the kilowatt-hour meter is connected one end with power network and is provided with carrier communication device, and carrier communication device is used for electricity
Table data are spent to communicate with power system monitor center.
Preferably, control device of circuit breaker, control device of circuit breaker one end connection open circuit are provided with the grid connection box
Device, the other end are connected with being located at towards the light sensor on sunny side, and control breaker break-make according to light sensor.
Preferably, temperature sensor and warning device are provided with the grid connection box, temperature sensor fills with breaker control
Connection is put, the control device of circuit breaker is connected with warning device.
The beneficial effects of the invention are as follows：1st, using switch of passing judgement, it is ensured that safety during grid maintenance；
2nd, the connection that power-off isolation kilowatt-hour meter is surveyed with photovoltaic, makes detection accurate；
3rd, kilowatt-hour meter is communicated by network carrier and is connected with power system monitor center, contributes to the popularization of intelligent monitoring.
Brief description of the drawings
Fig. 1 is the electrical connection schematic block diagram of the embodiment of the present invention 1.
Embodiment
Technical scheme is clearly and completely described below in conjunction with accompanying drawing, it is clear that described implementation
Example is part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill
The every other embodiment that personnel are obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
In the description of the invention, it is necessary to explanation, term " " center ", " on ", " under ", "left", "right", " vertical ",
The orientation or position relationship of the instruction such as " level ", " interior ", " outer " be based on orientation shown in the drawings or position relationship, merely to
Be easy to the description present invention and simplify description, rather than instruction or imply signified device or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second ",
" the 3rd " is only used for describing purpose, and it is not intended that instruction or hint relative importance.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
Embodiment 1
The ammeter set on a kind of photovoltaic generation exchange grid connection box safety device, including grid connection box and grid connection box as shown in Figure 1
Case, connected between grid connection box and ammeter box by wiring hole, isolation plug-in strip, breaker, data acquisition are included in the grid connection box
Terminal, overvoltage/undervoltage detacher, arrester and isolated island control device；Kilowatt-hour meter is provided with the ammeter box；Described kilowatt-hour meter one end
It is connected with grid side, the kilowatt-hour meter other end is connected with data collection station and overvoltage/undervoltage detacher respectively；Overvoltage/undervoltage detacher is another
One end is connected with breaker and isolated island control device respectively, the breaker other end connection isolation plug-in strip, and isolation plug-in strip is another
End is connected with photovoltaic generation side, and the breaker side is provided with arrester.
Kilowatt-hour meter is connected one end with power network and is provided with carrier communication device, and carrier communication device is used for kilowatt-hour meter data and electricity
Net Surveillance center's communication.
Be provided with control device of circuit breaker in grid connection box, described control device of circuit breaker one end connects breaker, the other end and
Connected located at towards the light sensor on sunny side, and breaker break-make is controlled according to light sensor, can be according to sunshine optical fiber
The break-make of breaker is carried out, ensures that grid-connected power supply quality and user oneself use the stabilization of voltage.
Temperature sensor and warning device are provided with grid connection box, temperature sensor is connected with control device of circuit breaker, described
Control device of circuit breaker is connected with warning device, because the inscribed end of grid connection box is relatively more, heat generating spot is, it is necessary to which monitoring in real time is warm
Degree, avoid that fire initiation accident occurs.
When practical application, the present invention is using switch of passing judgement, it is ensured that safety during grid maintenance；Power-off isolation electric degree
The connection that table is surveyed with photovoltaic, makes detection accurate；Kilowatt-hour meter is communicated by network carrier and is connected with power system monitor center, contributes to intelligence
The popularization that can be monitored.
Technical scheme is not limited to the limitation of above-mentioned specific embodiment, and every technique according to the invention scheme is done
The technology deformation gone out, each falls within protection scope of the present invention.
Claims (4)
1. the ammeter box set on a kind of photovoltaic generation exchange grid connection box safety device, including grid connection box and grid connection box, grid connection box
Connected between ammeter box by wiring hole, it is characterised in that：Include isolation plug-in strip, breaker, data in the grid connection box to adopt
Collect terminal, overvoltage/undervoltage detacher, arrester and isolated island control device；Kilowatt-hour meter is provided with the ammeter box；The kilowatt-hour meter one
End is connected with grid side, and the kilowatt-hour meter other end is connected with data collection station and overvoltage/undervoltage detacher respectively；Overvoltage/undervoltage detacher
The other end is connected with breaker and isolated island control device respectively, the breaker other end connection isolation plug-in strip, and isolation plug-in strip is another
One end is connected with photovoltaic generation side, and the breaker side is provided with arrester.
2. photovoltaic generation according to claim 1 exchanges grid connection box safety device, it is characterised in that：The kilowatt-hour meter and electricity
Net connection one end is provided with carrier communication device, and carrier communication device is used to communicate kilowatt-hour meter data and power system monitor center.
3. photovoltaic generation according to claim 1 exchanges grid connection box safety device, it is characterised in that：Set in the grid connection box
There is control device of circuit breaker, described control device of circuit breaker one end connects breaker, and the other end is with being located at towards photosensitive on sunny side
Sensor connects, and controls breaker break-make according to light sensor.
4. photovoltaic generation according to claim 3 exchanges grid connection box safety device, it is characterised in that：Set in the grid connection box
There are temperature sensor and warning device, temperature sensor is connected with control device of circuit breaker, the control device of circuit breaker connection
There is warning device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711141169.9A CN107612040A (en) | 2017-11-17 | 2017-11-17 | Photovoltaic generation exchanges grid connection box safety device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711141169.9A CN107612040A (en) | 2017-11-17 | 2017-11-17 | Photovoltaic generation exchanges grid connection box safety device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107612040A true CN107612040A (en) | 2018-01-19 |
Family
ID=61085956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711141169.9A Pending CN107612040A (en) | 2017-11-17 | 2017-11-17 | Photovoltaic generation exchanges grid connection box safety device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107612040A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113936437A (en) * | 2021-09-30 | 2022-01-14 | 国网山东省电力公司淄博供电公司 | Anti-islanding automatic alarm device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202330487U (en) * | 2011-09-07 | 2012-07-11 | 上海英孚特电子技术有限公司 | Intelligent ammeter applied to solar distributed grid-connected system |
| CN103747041A (en) * | 2013-12-24 | 2014-04-23 | 国家电网公司 | Intelligent power grid and user integrated communication system and communication method thereof |
| CN203800615U (en) * | 2014-01-24 | 2014-08-27 | 嘉兴恒创电力设计研究院有限公司 | Three-phase 400V home photovoltaic grid-connection box |
| JP2014180162A (en) * | 2013-03-15 | 2014-09-25 | Toshiba Corp | Power grid monitoring system and power grid monitoring device |
| CN205142115U (en) * | 2015-11-06 | 2016-04-06 | 山东聊城国泰光伏发电科技有限公司 | Photovoltaic power generation exchanges and box with a net safety device |
| CN206195168U (en) * | 2016-11-09 | 2017-05-24 | 浙江京禾电子科技有限公司 | Civilian photovoltaic intelligence and box with a net |
| CN107026473A (en) * | 2017-05-06 | 2017-08-08 | 杨子琦 | A kind of grid-connected control cabinet of novel intelligent economize on electricity |
-
2017
- 2017-11-17 CN CN201711141169.9A patent/CN107612040A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202330487U (en) * | 2011-09-07 | 2012-07-11 | 上海英孚特电子技术有限公司 | Intelligent ammeter applied to solar distributed grid-connected system |
| JP2014180162A (en) * | 2013-03-15 | 2014-09-25 | Toshiba Corp | Power grid monitoring system and power grid monitoring device |
| CN103747041A (en) * | 2013-12-24 | 2014-04-23 | 国家电网公司 | Intelligent power grid and user integrated communication system and communication method thereof |
| CN203800615U (en) * | 2014-01-24 | 2014-08-27 | 嘉兴恒创电力设计研究院有限公司 | Three-phase 400V home photovoltaic grid-connection box |
| CN205142115U (en) * | 2015-11-06 | 2016-04-06 | 山东聊城国泰光伏发电科技有限公司 | Photovoltaic power generation exchanges and box with a net safety device |
| CN206195168U (en) * | 2016-11-09 | 2017-05-24 | 浙江京禾电子科技有限公司 | Civilian photovoltaic intelligence and box with a net |
| CN107026473A (en) * | 2017-05-06 | 2017-08-08 | 杨子琦 | A kind of grid-connected control cabinet of novel intelligent economize on electricity |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113936437A (en) * | 2021-09-30 | 2022-01-14 | 国网山东省电力公司淄博供电公司 | Anti-islanding automatic alarm device |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180119 |
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| RJ01 | Rejection of invention patent application after publication |