CN108683150A - A kind of grid-connected cabinet of automatic reclosing exchange - Google Patents
A kind of grid-connected cabinet of automatic reclosing exchange Download PDFInfo
- Publication number
- CN108683150A CN108683150A CN201810655295.4A CN201810655295A CN108683150A CN 108683150 A CN108683150 A CN 108683150A CN 201810655295 A CN201810655295 A CN 201810655295A CN 108683150 A CN108683150 A CN 108683150A
- Authority
- CN
- China
- Prior art keywords
- telescopic rod
- electric telescopic
- transverse slat
- grid
- cabinet
- 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
- 230000007246 mechanism Effects 0.000 claims abstract description 25
- 238000003466 welding Methods 0.000 claims description 6
- 230000005611 electricity Effects 0.000 abstract description 7
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000010248 power generation Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/02—Details
- H02H3/06—Details with automatic reconnection
- H02H3/066—Reconnection being a consequence of eliminating the fault which caused disconnection
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/20—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess voltage
- H02H3/207—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess voltage also responsive to under-voltage
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/24—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to undervoltage or no-voltage
-
- H02J3/383—
-
- 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
Landscapes
- Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
- Power-Operated Mechanisms For Wings (AREA)
Abstract
The invention discloses a kind of automatic reclosings to exchange grid-connected cabinet, including grid-connection cabinet cabinet, UPS uninterruptible power supplies, breaker of plastic casing, motor-operating mechanism, three-phase voltage relay, the time relay, electric telescopic rod one, electric telescopic rod two and CPU, UPS uninterruptible power supplies, breaker of plastic casing, motor-operating mechanism, three-phase voltage relay, the time relay, electric telescopic rod one, electric telescopic rod two and CPU are fixedly connected in the inner cavity of grid-connection cabinet cabinet, motor-operating mechanism includes erect plate, transverse slat one and transverse slat two.The protection of self-resetting type over-and under-voltage is provided when the present invention can realize grid-connected; when network voltage is too high or too low; it removes and generates electricity by way of merging two or more grid systems from dynamic circuit breaker; when network voltage restore it is normal when can auto-parallel power generation; without manual intervention, the maintenance cost and administration fee of photovoltaic plant are substantially reduced, short-circuit protection is in addition also equipped with; overload protection, the defencive functions such as under-voltage delay protection.
Description
Technical field
The present invention relates to grid-connected cabinet technical fields more particularly to a kind of automatic reclosing to exchange grid-connected cabinet.
Background technology
At present parallel network power generation can encounter overload, overvoltage, it is under-voltage, short-circuit a series of problems, such as, traditional grid-connection cabinet profit
Overload and short-circuit protection are provided with breaker, undervoltage tripping is carried out using the under-voltage coil of breaker, until network voltage restores just
When constant value, reset need to be manually checked, cause personnel's maintenance cost and administration fee to increase, especially some mountain areas and desert
Area.Management cost is even more to greatly promote.In addition traditional breaker adds undervoltage trip coil, cannot solve power grid overvoltage and cause
Equipment overvoltage use problem, the overvoltage protection of inverter in circuit can only be relied on, protection is single.But existing electronic behaviour
Make mechanism be inconvenient to exchange grid-connected cabinet carry out it is grid-connected, it is therefore desirable to it is grid-connected that people are manually operated control, to ensure to exchange light
Grid-connection cabinet connection is lied prostrate, manual operation is not only time-consuming, arduously, can also delay the grid-connected time, and then influences streamer volt grid-connection cabinet
It uses.
Invention content
It is time-consuming, take the purpose of the present invention is to solve inconvenient grid-connected in the prior art, and people's grid-connected combined floodgate manually
The shortcomings of power, and a kind of automatic reclosing proposed exchanges grid-connected cabinet.
To achieve the goals above, present invention employs following technical solutions：
A kind of automatic reclosing exchanges grid-connected cabinet, including grid-connection cabinet cabinet, UPS uninterruptible power supplies, breaker of plastic casing, electronic
Operating mechanism, three-phase voltage relay, the time relay, electric telescopic rod one, electric telescopic rod two and CPU, the grid-connection cabinet
Be fixedly connected in the inner cavity of cabinet UPS uninterruptible power supplies, breaker of plastic casing, motor-operating mechanism, three-phase voltage relay, when
Between relay, electric telescopic rod one, electric telescopic rod two and CPU, CPU difference conducting wire connection UPS uninterruptible power supplies, plastic housing
Breaker, motor-operating mechanism, three-phase voltage relay and the time relay, the breaker of plastic casing difference conducting wire connection are electronic
Telescopic rod one and electric telescopic rod two；
The motor-operating mechanism includes erect plate, transverse slat one and transverse slat two, and the top side of the transverse slat one and transverse slat two is equal
Sliding slot is offered, fixed block is fixedly connected in the sliding slot and forms several slideways, the sliding slot madial wall on the transverse slat one
On be fixedly connected with electric telescopic rod one, in the sliding slot on the transverse slat one sliding be connected with connecting rod, the electric telescopic rod
One elongation bar is fixedly connected among the side wall of connecting rod, and the bottom end of the connecting rod is fixedly connected with sliding block, the sliding block
Sliding is connected in slideway, and the connecting rod is fixedly connected with conductive contact film on one end side wall far from electric telescopic rod one
One；
Multiple electric telescopic rods two are fixedly connected on sliding slot madial wall on the transverse slat two, the electric telescopic rod two is stretched
Separating brake sliding block is fixedly connected on stock, the separating brake sliding block sliding is connected in slideway, and the separating brake sliding block is stretched far from electronic
It is fixedly connected with conductive contact film two on the side wall of contracting bar two, through-hole is offered on the erect plate, is fixed in the through-hole
It is connected with conductive head, one end of the conductive head is fixedly connected with conducting rod, the conductive contact film one and conductive contact film two
Contact conducting rod is squeezed respectively.
Preferably, the size of the transverse slat one and transverse slat two, shape all same, and erect plate, transverse slat one and transverse slat two are
Integrated formed structure.
Preferably, the number of the sliding block is four, and sliding block and connecting rod are seamless welding.
Preferably, the number of the electric telescopic rod two, separating brake sliding block and conductive contact film two is four, and each electricity
Dynamic telescopic rod two is each attached in corresponding slideway.
Preferably, the electric telescopic rod one is lain in a horizontal plane in the sliding slot on transverse slat one, two water of the electric telescopic rod
Placing flat is in the sliding slot on transverse slat two.
Preferably, one seamless welding of the conductive contact film is on the side wall of connecting rod.
A kind of automatic reclosing proposed by the present invention exchanges grid-connected cabinet, and advantageous effect is：Structure of the invention is novel,
It is easy to operate, the protection of self-resetting type over-and under-voltage is provided when can realize grid-connected, when network voltage is too high or too low, automatically
It is disconnected except generating electricity by way of merging two or more grid systems, when network voltage restores normal can auto-parallel power generation, be not necessarily to manual intervention, substantially reduce photovoltaic plant
Maintenance cost and administration fee, be in addition also equipped with short-circuit protection, overload protection, the defencive functions such as under-voltage delay protection.
This device utilizes motor-operating mechanism, convenient removed from dynamic circuit breaker to generate electricity by way of merging two or more grid systems, and automatic brake separating can be realized, from dynamic circuit connector
Lock, to meet the needs of grid-connected；Using CPU can intelligentized control close a floodgate, separating brake, realize the intelligence control to breaker of plastic casing
System operation, and breaker of plastic casing then intelligent control motor-operating mechanism, rational utilization labour, can economize on resources, and energy
Enough it is convenient for people to use；Conducting rod, which is contacted, using conductive contact film two carries out separating brake conduction；It is led using the contact of conductive contact film one
Electric pole close a floodgate conductive grid-connected；Using electric telescopic rod one, to close a floodgate, conduction is grid-connected to provide power source；Utilize electric telescopic rod
Two provide power source for separating brake conduction.
Description of the drawings
Fig. 1 is the positive structure diagram of the present invention.
Fig. 2 is the schematic cross-sectional view of A-A of the present invention.
Fig. 3 is the overlooking structure diagram of motor-operating mechanism of the present invention.
Fig. 4 is the schematic cross-sectional view of B-B of the present invention.
Fig. 5 is the workflow schematic diagram of the present invention.
In figure：1- grid-connection cabinet cabinets, 2-UPS uninterruptible power supplies, 3- breaker of plastic casing, 4- motor-operating mechanisms, 40- are erect
Plate, 400- conductive heads, 401- through-holes, 402- conducting rods, 41- transverse slats one, 42- transverse slats two, 43- sliding slots, 44- fixed blocks, 45- are slided
Road, 5- three-phase voltage relays, the 6- time relays, 7- electric telescopic rods one, 70- connecting rods, 71- conductive contact films one, 72-
Sliding block, 8- electric telescopic rods two, 80- separating brake sliding blocks, 81- conductive contact films two, 9-CPU.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Referring to Fig.1-5, a kind of automatic reclosing exchanges grid-connected cabinet, including grid-connection cabinet cabinet 1, UPS uninterruptible power supplies
2, breaker of plastic casing 3, motor-operating mechanism 4, three-phase voltage relay 5, the time relay 6, electric telescopic rod 1, electronic stretch
Contracting bar 28 and CPU9 are fixedly connected with UPS uninterruptible power supplies 2, breaker of plastic casing 3, electronic behaviour in the inner cavity of grid-connection cabinet cabinet 1
Make mechanism 4, three-phase voltage relay 5, the time relay 6, electric telescopic rod 1, electric telescopic rod 28 and CPU9, utilizes
CPU9 can intelligentized control close a floodgate, separating brake, realize and the intelligent control of breaker of plastic casing 3 operated, and breaker of plastic casing 3 is then
Intelligent control motor-operating mechanism 4, rational utilization labour can economize on resources, and can be convenient for people to use, CPU9 points
Other conducting wire connection UPS uninterruptible power supplies 2, breaker of plastic casing 3, motor-operating mechanism 4, three-phase voltage relay 5 and time relay
Device 6, breaker of plastic casing 3 distinguish conducting wire connection electric telescopic rod 1 and electric telescopic rod 28, this device utilizes electric operating machine
Structure 4, convenient removed from dynamic circuit breaker are generated electricity by way of merging two or more grid systems, and can realize automatic brake separating, automatic closing, to meet the needs of grid-connected, CPU9 is one
The ultra-large integrated circuit of block, is the arithmetic core and control core of a computer, its function is mainly explained and calculated
Machine instructs and handles the data in computer software.
Motor-operating mechanism 4 includes erect plate 40, transverse slat 1 and transverse slat 2 42, transverse slat 1 and transverse slat 2 42 it is big
Small, shape all same, and erect plate 40, transverse slat 1 and transverse slat 2 42 are an integral molding structure, transverse slat 1 and transverse slat 2 42
Top side offer sliding slot 43, be fixedly connected in sliding slot 43 fixed block 44 form several slideways 45, transverse slat 1
On 43 madial wall of sliding slot on be fixedly connected with electric telescopic rod 1, in the sliding slot 43 on transverse slat 1 sliding be connected with connection
Bar 70, electric telescopic rod 1 are lain in a horizontal plane in the sliding slot 43 on transverse slat 1, and the elongation bar of electric telescopic rod 1, which is fixed, to be connected
It is connected among the side wall of connecting rod 70, the bottom end of connecting rod 70 is fixedly connected with sliding block 72, and the number of sliding block 72 is four, and sliding
Block 72 and connecting rod 70 are seamless welding, and the sliding of sliding block 72 is connected in slideway 45, and connecting rod 70 is far from electric telescopic rod 1
One end side wall on be fixedly connected with conductive contact film 1, side wall of one 71 seamless welding of conductive contact film in connecting rod 70
On, using electric telescopic rod 1, to close a floodgate, conduction is grid-connected to provide power source；It is provided for separating brake conduction using electric telescopic rod 28
Power source.
Multiple electric telescopic rods 28,28 water of electric telescopic rod are fixedly connected on 43 madial wall of sliding slot on transverse slat 2 42
Placing flat is fixedly connected with separating brake sliding block 80 in the sliding slot 43 on transverse slat 2 42 in the elongation bar of electric telescopic rod 28, separating brake is slided
The sliding of block 80 is connected in slideway 45, and separating brake sliding block 80 is fixedly connected with conduction on the side wall far from electric telescopic rod 28 and connects
The number of contact 2 81, electric telescopic rod 28, separating brake sliding block 80 and conductive contact film 2 81 is four, and each electronic is stretched
Contracting bar 28 is each attached in corresponding slideway 45, and contacting conducting rod 402 using conductive contact film 2 81 carries out separating brake conduction；Profit
With the contact conducting rod 402 of conductive contact film 1 close a floodgate conductive grid-connected, through-hole 401, through-hole are offered on erect plate 40
Conductive head 400 is fixedly connected in 401, one end of conductive head 400 is fixedly connected with conducting rod 402, one 71 He of conductive contact film
Conductive contact film 2 81 squeezes contact conducting rod 402 respectively.
Structure of the invention is novel, easy to operate, and the protection of self-resetting type over-and under-voltage is provided when can realize grid-connected, works as electricity
Net overtension or it is too low when, from dynamic circuit breaker except generating electricity by way of merging two or more grid systems, when network voltage restores normal can auto-parallel power generation, be not necessarily to people
Work intervention substantially reduces the maintenance cost and administration fee of photovoltaic plant, is in addition also equipped with short-circuit protection, overload protection is under-voltage
The defencive functions such as delay protection.
Operation principle：When in use, the time relay 6 and 5 equal electric signal of three-phase voltage relay pass to this device
CPU9, CPU9 handle the signal process received, analysis, integrate, and then CPU9 controls breaker of plastic casing 3 or electric expansion
Bar 1 starts, and wherein breaker of plastic casing 3 then controls the startup of electric telescopic rod 28, therefore can control motor-operating mechanism 4
It is sub-switching operation or closing operation, and then meets the work requirements of this device, wherein 5 decision circuitry of three-phase voltage relay
The height of middle voltage value, when voltage is higher or lower than setting value, 5 feedback signal of three-phase voltage relay, automatic brake separating control
Start, connect motor-operating mechanism 4, using 4 separating brake breaker of plastic casing 3 of motor-operating mechanism, when power system restoration voltage, utilizes
Three-phase voltage relay 5 judges whether grid side reaches normal voltage, determines whether temporary recovery through the time relay 6,
After 10 seconds wait for, when confirming that circuit restores normal voltage, automatic closing control starts, and connects motor-operating mechanism 4, makes plastic housing
Breaker 3 closes a floodgate, and realizes grid-connected.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (6)
1. a kind of automatic reclosing exchanges grid-connected cabinet, including grid-connection cabinet cabinet（1）, UPS uninterruptible power supplies（2）, plastic housing it is disconnected
Road device（3）, motor-operating mechanism（4）, three-phase voltage relay（5）, the time relay（6）, electric telescopic rod one（7）, it is electronic
Telescopic rod two（8）And CPU（9）, it is characterised in that：The grid-connection cabinet cabinet（1）Inner cavity in be fixedly connected with UPS uninterruptedly electric
Source（2）, breaker of plastic casing（3）, motor-operating mechanism（4）, three-phase voltage relay（5）, the time relay（6）, electric expansion
Bar one（7）, electric telescopic rod two（8）And CPU（9）, the CPU（9）Conducting wire connects UPS uninterruptible power supplies respectively（2）, plastic housing it is disconnected
Road device（3）, motor-operating mechanism（4）, three-phase voltage relay（5）And the time relay（6）, the breaker of plastic casing（3）Point
Other conducting wire connects electric telescopic rod one（7）With electric telescopic rod two（8）；
The motor-operating mechanism（4）Including erect plate（40）, transverse slat one（41）With transverse slat two（42）, the transverse slat one（41）With
Transverse slat two（42）Top side offer sliding slot（43）, the sliding slot（43）Inside it is fixedly connected with fixed block（44）If composition
Dry slideway（45）, the transverse slat one（41）On sliding slot（43）Electric telescopic rod one is fixedly connected on madial wall（7）, described
Transverse slat one（41）On sliding slot（43）Interior sliding is connected with connecting rod（70）, the electric telescopic rod one（7）Elongation bar fix
It is connected to connecting rod（70）Side wall among, the connecting rod（70）Bottom end be fixedly connected with sliding block（72）, the sliding block
（72）Sliding is connected to slideway（45）It is interior, the connecting rod（70）Far from electric telescopic rod one（7）One end side wall on it is fixed
It is connected with conductive contact film one（71）；
The transverse slat two（42）On sliding slot（43）Multiple electric telescopic rods two are fixedly connected on madial wall（8）, described electronic
Telescopic rod two（8）Elongation bar on be fixedly connected with separating brake sliding block（80）, the separating brake sliding block（80）Sliding is connected to slideway（45）
It is interior, the separating brake sliding block（80）Far from electric telescopic rod two（8）Side wall on be fixedly connected with conductive contact film two（81）, institute
State erect plate（40）On offer through-hole（401）, the through-hole（401）Inside it is fixedly connected with conductive head（400）, the conduction
Head（400）One end be fixedly connected with conducting rod（402）, the conductive contact film one（71）With conductive contact film two（81）Respectively
Squeeze contact conducting rod（402）.
2. a kind of automatic reclosing according to claim 1 exchanges grid-connected cabinet, it is characterised in that：The transverse slat one
（41）With transverse slat two（42）Size, shape all same, and erect plate（40）, transverse slat one（41）With transverse slat two（42）It is integrated into
Type structure.
3. a kind of automatic reclosing according to claim 1 exchanges grid-connected cabinet, it is characterised in that：The sliding block（72）
Number be four, and sliding block（72）And connecting rod（70）For seamless welding.
4. a kind of automatic reclosing according to claim 1 exchanges grid-connected cabinet, it is characterised in that：The electric expansion
Bar two（8）, separating brake sliding block（80）With conductive contact film two（81）Number be four, and each electric telescopic rod two（8）
It is fixed on corresponding slideway（45）It is interior.
5. a kind of automatic reclosing according to claim 1 exchanges grid-connected cabinet, it is characterised in that：The electric expansion
Bar one（7）Lie in a horizontal plane in transverse slat one（41）On sliding slot（43）It is interior, the electric telescopic rod two（8）Lie in a horizontal plane in transverse slat two
（42）On sliding slot（43）It is interior.
6. a kind of automatic reclosing according to claim 1 exchanges grid-connected cabinet, it is characterised in that：The conductive contact
Piece one（71）Seamless welding is in connecting rod（70）Side wall on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810655295.4A CN108683150B (en) | 2018-06-23 | 2018-06-23 | A kind of grid-connected cabinet of automatic reclosing exchange |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810655295.4A CN108683150B (en) | 2018-06-23 | 2018-06-23 | A kind of grid-connected cabinet of automatic reclosing exchange |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108683150A true CN108683150A (en) | 2018-10-19 |
| CN108683150B CN108683150B (en) | 2019-09-20 |
Family
ID=63811905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810655295.4A Active CN108683150B (en) | 2018-06-23 | 2018-06-23 | A kind of grid-connected cabinet of automatic reclosing exchange |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108683150B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110007632A (en) * | 2019-04-26 | 2019-07-12 | 武汉汉镇既济电力设备有限公司 | A kind of circuit control method based on breaker |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150162647A1 (en) * | 2013-12-05 | 2015-06-11 | Kung-Cheng Chen | Solar powered cart |
| CN206076967U (en) * | 2016-08-10 | 2017-04-05 | 北京时代英能微电网技术有限公司 | Microgrid intelligent grid connection cabinet |
| CN206076966U (en) * | 2016-07-27 | 2017-04-05 | 江苏孟弗斯新能源工程有限公司 | A kind of intelligent distributed photovoltaic power generation is grid-connected and switching control grid-connection cabinet |
| CN107968329A (en) * | 2017-11-09 | 2018-04-27 | 国网山东省电力公司临沂供电公司 | Grid-connected access case and its access system |
-
2018
- 2018-06-23 CN CN201810655295.4A patent/CN108683150B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150162647A1 (en) * | 2013-12-05 | 2015-06-11 | Kung-Cheng Chen | Solar powered cart |
| CN206076966U (en) * | 2016-07-27 | 2017-04-05 | 江苏孟弗斯新能源工程有限公司 | A kind of intelligent distributed photovoltaic power generation is grid-connected and switching control grid-connection cabinet |
| CN206076967U (en) * | 2016-08-10 | 2017-04-05 | 北京时代英能微电网技术有限公司 | Microgrid intelligent grid connection cabinet |
| CN107968329A (en) * | 2017-11-09 | 2018-04-27 | 国网山东省电力公司临沂供电公司 | Grid-connected access case and its access system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110007632A (en) * | 2019-04-26 | 2019-07-12 | 武汉汉镇既济电力设备有限公司 | A kind of circuit control method based on breaker |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108683150B (en) | 2019-09-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100424978C (en) | A method of photovoltaic grid-connected inversion | |
| CN103066684A (en) | High voltage direct current power supply system | |
| WO2014176958A1 (en) | Electric energy router with multiple power supply modes | |
| CN205544327U (en) | Direct current steps up and concentrates contravariant photovoltaic power generation system | |
| CN108347061A (en) | Intelligent positioning commutation point device and method in three-phase imbalance improvement | |
| CN208723531U (en) | A kind of novel intelligent photovoltaic exchange header box with automatic reclosing function | |
| CN205509468U (en) | Collection flow box protection device | |
| CN103199512A (en) | Power distribution network single-phase earth fault network reconstruction method | |
| CN108683150B (en) | A kind of grid-connected cabinet of automatic reclosing exchange | |
| CN103855722A (en) | Micro-grid connection device | |
| CN210780230U (en) | Switch device for switching high power from off-grid to grid-connected | |
| CN103490382B (en) | Grid connection safety device and control method for distributed photovoltaic power generation system | |
| CN114285371A (en) | High-reliability intelligent monitoring communication combiner box and method for photovoltaic power generation system | |
| CN204290313U (en) | A kind of building DC power supply | |
| CN203645395U (en) | Quick external power box for power utilization of substation | |
| CN105140965A (en) | Distributed power supply integration equipment supporting hot plug | |
| CN205846850U (en) | A kind of New-type EPS emergency power supply | |
| CN203151367U (en) | Powering-on buffer device of energy feedback converter | |
| CN117318160B (en) | Photovoltaic inversion power supply control system, method and device and storage medium | |
| CN205544231U (en) | Photovoltaic inverter protection device | |
| CN207320579U (en) | A kind of electric power system power distribution cabinet with card wire structure | |
| Shen et al. | Analysis of cascading failure evolution process of high proportion new energy power system | |
| CN215119641U (en) | Converter integration cabinet suitable for microgrid | |
| CN203707743U (en) | Grid-connected safety equipment for distributed photovoltaic power generation system | |
| CN108879761A (en) | A kind of grid-connected cabinet of sensitivity self-resetting type |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 230000 Fuhuang Industrial Park, Huanglu Town, Chaohu City, Hefei City, Anhui Province Applicant after: Anhui Fuhuang Electric Power Equipment Technology Co., Ltd. Address before: 230000 Private Industrial Park of Xiangyang South Road, Chaohu City, Anhui Province Applicant before: ANHUI FUHUANG ELECTRIC CONTROL EQUIPMENT CO., LTD. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |