CN205070606U - Novel DTU and distribution network automation system for distribution network automation - Google Patents
Novel DTU and distribution network automation system for distribution network automation Download PDFInfo
- Publication number
- CN205070606U CN205070606U CN201520788837.7U CN201520788837U CN205070606U CN 205070606 U CN205070606 U CN 205070606U CN 201520788837 U CN201520788837 U CN 201520788837U CN 205070606 U CN205070606 U CN 205070606U
- Authority
- CN
- China
- Prior art keywords
- distribution automation
- module
- dtu
- novel dtu
- control unit
- 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.)
- Active
Links
- 238000004891 communication Methods 0.000 claims abstract description 18
- 239000003990 capacitor Substances 0.000 claims abstract description 10
- 238000004088 simulation Methods 0.000 claims description 6
- 238000013461 design Methods 0.000 abstract description 6
- 238000005259 measurement Methods 0.000 abstract description 5
- 238000010276 construction Methods 0.000 description 4
- 230000006855 networking Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000009529 body temperature measurement Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000004069 differentiation Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
-
- 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
- Y04S10/16—Electric power substations
Landscapes
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The utility model relates to a novel DTU and distribution network automation system for distribution network automation, including shell and internal circuit, its technical characterstic is: the internal circuit includes that the control unit, CT get electric module, feeder automation and distributed super capacitor module, bluetooth communication module, the control unit gets electric module, feeder automation and distributed super capacitor module with CT respectively, bluetooth communication module is connected. The utility model discloses a novel DTU who is applied to distribution network automation is the automatic measurement and control terminal of distributed distribution network towards the cubical switchboard object, its design philosophy who has fully referd to intelligent substation integrated automation system protection, use ripely and stable bluetooth communication module, a APP interface of powerful easy development is provided, refusion CT gets electric module, feeder automation and distributed super capacitor module, cater to following smart power grids's developing direction design, the automatic technical scheme of solution of present advance distribution network.
Description
Technical field
The utility model belongs to distribution automation technical field, particularly a kind of novel DTU and distribution automation system thereof being applied to distribution automation.
Background technology
Current domestic distribution network automated improvement project is in like a raging fire carrying out, and the 10kV transformer station only realizing automation function in Tianjin for 2014 just has 3000 more than, but Automation Construction most equipment all adopts traditional " three is distant " centralized monitoring DTU; Even if there are some distributed DTU in the recent period, still do not break away from cable between its two parts assembly (distribution terminal and main control terminal) to connect, make troubles to construction, the website debugged is not had in real time and the function of main website communication uniting and adjustment yet, certain hidden danger is all existed for data reliability and device security.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of reasonable in design, easy construction and system data reliability and the high novel DTU being applied to distribution automation of device security.
The utility model solves its technical problem and takes following technical scheme to realize:
A kind of novel DTU being applied to distribution automation, comprise shell and its internal circuit, described internal circuit comprises: control unit, CT electricity-fetching module, feeder automation and distributed super-capacitor module, bluetooth communication module, and described control unit is connected with CT electricity-fetching module, feeder automation and distributed super-capacitor module, bluetooth communication module respectively.
And described internal circuit also comprises: power-supply filter module, described CT electricity-fetching module is connected with control unit by power-supply filter module.
And described internal circuit also comprises: protection against lightning strikes circuit, described protection against lightning strikes circuit is connected with control unit.
And described internal circuit also comprises: online fault simulation module, described online fault simulation module is connected with control unit.
Be applied to a distribution automation system of the novel DTU of distribution automation, comprise: be applied to the novel DTU of distribution automation, switch, attended operation main frame, GPRS router, alternating-current meter, net list, DFA main control unit and PLC; The described novel DTU being applied to distribution automation is connected with PLC with switch, attended operation main frame, GPRS router, alternating-current meter, net list, DFA main control unit respectively.
And, described in be applied to distribution automation novel DTU be connected with switch by Ethernet interface;
And the described novel DTU for distribution automation is connected with attended operation main frame by CONSOLE mouth.
And the described novel DTU for distribution automation is connected with carrier terminal equipment, GPRS router and ammeter respectively by RS232 or RS485 interface.
And the described novel DTU for distribution automation is connected with net list and PLC by RS485 interface.
And the described novel DTU for distribution automation is connected with DFA main control unit by CAN.
Advantage of the present utility model and good effect are:
1. DTU of the present utility model is the Distributed power automation detection and control terminal of switch-oriented cabinet object; it has fully used for reference the design philosophy of intelligent substation complex automatic system protection; the bluetooth communication module that application is ripe and stable; the APP interface of powerful easy exploiting is provided; merge CT electricity-fetching module, feeder automation and distributed super-capacitor module again; catering to the developing direction design of following intelligent grid, is distribution network automated technical solution scheme advanced at present.
2. DTU terminal of the present utility model adopts to transform the distributed frame that website bay device is object, and its intelligent distribution terminal is connected by bluetooth communication module with main control terminal; Intelligent distribution terminal can distributing installation at each Switch main body, compared with traditional distributed DTU, be connected with main control terminal with power line without the need to order wire, can realize to switch cubicle all " three is distant " and distribution network failure differentiation and to the reading of cable end temperature measurement module and configuration feature.Thus efficiently solve that distribution network automated project in-site installation construction working is complicated, Reconstruction in field completes and cannot carry out equipment debugging to main website, and later stage O&M is to problems such as station mode data communication tests.
3. the utility model can be transformed on the basis of existing ring main unit, only need take few room and time, old ring main unit can be transformed into the intelligent ring main unit of the remote biography of band three in automatic improving process, achieve the intelligentized updating of old ring main unit.Solve installation volume large, wiring is complicated, and interruption duration is long, in real time and the problem such as main website communication, can not greatly reduce site operation interruption duration, the reliability of effective raising Whole Equipment and stability.
4. the utility model adopts technical grade components and parts, has allly all accomplished sufficient electrical isolation with the connection in the external world, and the EMC of built-in protection against lightning strikes circuit and power-supply filter and specialty designs; And the utility model adopts real-time multi-task operating system, ensure that high reliability, real-time and stability that whole system is run.
5. the utility model is by DTU internal circuit blocks, guarantees that it is stable and reliable for performance, and is convenient to increase function or upgrade-system.
6. DTU distribution terminal of the present utility model and main control terminal and the hand-held PDA terminal of later maintenance all adopt Bluetooth communication, need not the communications cable, can realize to switch cubicle all " three is distant " and distribution network failure differentiation and to the reading of cable end temperature measurement module and configuration feature, facilitate field adjustable and postrun security maintenance, for distribution automation distributed network provides quick, reliable and stable communication guarantee and service guarantees.
Accompanying drawing explanation
Fig. 1 is communication interface wiring diagram of the present utility model;
Fig. 2 is bluetooth point-to-multipoint networking model schematic diagram of the present utility model;
Fig. 3 is that networking of the present utility model drives flow chart;
Fig. 4 is CT power taking principle schematic of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model embodiment is further described:
A kind of novel DTU being applied to distribution automation; comprise shell and its internal circuit; described internal circuit comprises: control unit, CT electricity-fetching module, feeder automation and distributed super-capacitor module, bluetooth communication module, power-supply filter module, protection against lightning strikes circuit module, online fault simulation module, and described control unit is connected with CT electricity-fetching module, feeder automation and distributed super-capacitor module, bluetooth communication module, protection against lightning strikes circuit and online fault simulation module respectively.Described CT electricity-fetching module is connected with control unit by power-supply filter module.
A kind of distribution automation system being applied to the novel DTU of distribution automation, as shown in Figure 1, this system comprises: be applied to the novel DTU of distribution automation, switch, attended operation main frame, GPRS router, alternating-current meter, net list, DFA main control unit and PLC; The described novel DTU being applied to distribution automation is connected with switch respectively by Ethernet interface, be connected with attended operation main frame by CONSOLE mouth, by RS232 or RS485 interface with carrier terminal equipment, GPRS router (or switch) and ammeter is connected, be connected with net list and PLC by RS485 interface, be connected with DFA main control unit by CAN.
Fig. 2 to 4 is respectively bluetooth point-to-multipoint networking model schematic diagram, networking drives flow chart and CT power taking principle schematic.
Important technological parameters of the present utility model is specific as follows:
1, certainty of measurement
1) ac voltage measurement scope 0-300V certainty of measurement: 0.2 grade
2) current measuring range 0-50A certainty of measurement: 0.2 grade
3) direct voltage: 0.2 grade
4) frequency: 0.2 grade
5) harmonic wave acquisition precision: 1.0 grades (13 subharmonic)
6) active power: 0.5 grade
7) reactive power: 1.0 grades
8) active electrical degree: 1.0 grades
9) idle electric degree: 2.0 grades
10) temperature: ± 1 DEG C
2, measuring range
1) alternating voltage: 0 ~ 2 times of rated value
2) alternating current: 0 ~ 2 times of rated value
3) direct voltage: 0 ~ 30V
4) frequency: 40Hz ~ 60Hz
5) temperature :-50 DEG C ~+100 DEG C
3, overload capacity (hot property)
1) alternating current loop
A) long-time running------2In (continuous operation under 2 times of rated current).
B) 10s-----------20In (the excessive AC input current of short-term applies nominal value 20 times and allows 10s, and the duration is less than 10s, and system works is normal).
C) 1s------------40In (the excessive AC input current of short-term applies nominal value 40 times and allows 1s, and the duration is less than 1s, and system works is normal).
D) 10 times of rated current measure error <2%.
2) ac voltage circuit
A) 1.4Un continuous operation, continuous operation under 1.4 times of rated voltages.
B) 10s is allowed under being greater than 1.4 times of rated voltages.
4, On-off signal loop
1) input circuit: Phototube Coupling.
2) DC24V-48V powers.
3) SOE resolution <1ms.
4) the software stabilization time: can establish for 0 ~ 60000 millisecond.
5, pulsed quantity input
1) input circuit: Phototube Coupling.
2) pulsewidth: >=10ms.
3) interface level: (0 ~ 24) V.
4) error :≤± 1 pulse.
6, output contact capacity:
1) working capacity: be not more than AC250V (DC24V) at voltage, allows long-term work electric current 5A, allows the temporary impact capacity passed through to be 1250VA/150W.
2) interrupting capacity: AC250V (DC30V)/5A.
It is emphasized that; embodiment described in the utility model is illustrative; instead of it is determinate; therefore the utility model comprises the embodiment be not limited to described in embodiment; every other execution modes drawn according to the technical solution of the utility model by those skilled in the art, belong to the scope of the utility model protection equally.
Claims (10)
1. one kind is applied to the novel DTU of distribution automation, comprise shell and its internal circuit, it is characterized in that: described internal circuit comprises control unit, CT electricity-fetching module, feeder automation and distributed super-capacitor module, bluetooth communication module, described control unit is connected with CT electricity-fetching module, feeder automation and distributed super-capacitor module, bluetooth communication module respectively.
2. a kind of novel DTU being applied to distribution automation according to claim 1, it is characterized in that: described internal circuit also comprises power-supply filter module, described CT electricity-fetching module is connected with control unit by power-supply filter module.
3. a kind of novel DTU being applied to distribution automation according to claim 1, it is characterized in that: described internal circuit also comprises protection against lightning strikes circuit, described protection against lightning strikes circuit is connected with control unit.
4. a kind of novel DTU being applied to distribution automation according to claim 1, is characterized in that: described internal circuit also comprises online fault simulation module, and described online fault simulation module is connected with control unit.
5. the distribution automation system being applied to the novel DTU of distribution automation as described in any one of claim 1-4, is characterized in that: this system comprises the novel DTU, switch, attended operation main frame, GPRS router, alternating-current meter, net list, DFA main control unit and the PLC that are applied to distribution automation; The described novel DTU being applied to distribution automation is connected with PLC with switch, attended operation main frame, GPRS router, alternating-current meter, net list, DFA main control unit respectively.
6. a kind of distribution automation system being applied to the novel DTU of distribution automation according to claim 5, is characterized in that: described in be applied to distribution automation novel DTU be connected with switch by Ethernet interface.
7. a kind of distribution automation system being applied to the novel DTU of distribution automation according to claim 5, is characterized in that: the described novel DTU for distribution automation is connected with attended operation main frame by CONSOLE mouth.
8. a kind of distribution automation system being applied to the novel DTU of distribution automation according to claim 5, is characterized in that: the described novel DTU for distribution automation is connected with carrier terminal equipment, GPRS router and ammeter respectively by RS232 or RS485 interface.
9. a kind of distribution automation system being applied to the novel DTU of distribution automation according to claim 5, is characterized in that: the described novel DTU for distribution automation is connected with net list and PLC by RS485 interface.
10. a kind of distribution automation system being applied to the novel DTU of distribution automation according to claim 5, is characterized in that: the described novel DTU for distribution automation is connected with DFA main control unit by CAN.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520788837.7U CN205070606U (en) | 2015-10-12 | 2015-10-12 | Novel DTU and distribution network automation system for distribution network automation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520788837.7U CN205070606U (en) | 2015-10-12 | 2015-10-12 | Novel DTU and distribution network automation system for distribution network automation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205070606U true CN205070606U (en) | 2016-03-02 |
Family
ID=55397107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520788837.7U Active CN205070606U (en) | 2015-10-12 | 2015-10-12 | Novel DTU and distribution network automation system for distribution network automation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205070606U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107492240A (en) * | 2016-06-13 | 2017-12-19 | 国网天津市电力公司 | A kind of method that distribution automation transformation debugging is carried out using 4G networks |
| CN108565960A (en) * | 2018-05-19 | 2018-09-21 | 北京合众汇能科技有限公司 | A kind of DTU distribution terminals super capacitor backup power system |
-
2015
- 2015-10-12 CN CN201520788837.7U patent/CN205070606U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107492240A (en) * | 2016-06-13 | 2017-12-19 | 国网天津市电力公司 | A kind of method that distribution automation transformation debugging is carried out using 4G networks |
| CN108565960A (en) * | 2018-05-19 | 2018-09-21 | 北京合众汇能科技有限公司 | A kind of DTU distribution terminals super capacitor backup power system |
| CN108565960B (en) * | 2018-05-19 | 2021-07-02 | 北京合众汇能科技有限公司 | DTU power distribution terminal super capacitor backup power supply system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205160090U (en) | Incessant little electric wire netting grid -connected interface integrated device of stable state has | |
| CN204538819U (en) | A kind of High-low voltage switch cabinet supervising device based on Internet of Things | |
| CN103746451A (en) | PLC-based integrated power supply monitoring system and monitoring method | |
| CN202837423U (en) | Wireless GPRS wind power power grid electric energy quality detection device based on DSP and ARM | |
| CN202260626U (en) | Intelligent power distribution system | |
| CN104898580A (en) | Wireless oil pumping unit controller with three-phase electric acquisition | |
| CN203554074U (en) | Distributed power generation grid-connected dual-power supply interface apparatus | |
| CN205070606U (en) | Novel DTU and distribution network automation system for distribution network automation | |
| CN204947446U (en) | A kind of network control platform based on Intelligent integral switchgear | |
| CN204761157U (en) | A synthesize measurement and control device for distributed generator | |
| CN203455086U (en) | High-voltage switch cabinet temperature remote monitoring system based on Zigbee technology | |
| CN110165786A (en) | A kind of intelligent low-pressure photovoltaic counnter attack power transmission monitor control system | |
| CN210039082U (en) | Intelligent electricity utilization safety detection equipment based on EnOcean communication technology | |
| CN203589483U (en) | Mining flameproof high-voltage metering cabinet | |
| An et al. | Development of a smart low voltage circuit breaker with integrated protection and control functions based on wireless communications | |
| CN202978427U (en) | Microcomputer monitoring and protecting device of mine-used feeder switch | |
| CN202748429U (en) | On-line monitoring system for low-voltage ride through capability of booster station grid connection point of wind power plant access to power grid | |
| CN103178619B (en) | APF (accurate position finder), SVG (static var generator) control device for realizing 3G (the third generation telecommunication) monitoring | |
| CN203562840U (en) | Power distribution equipment on-line monitoring early-warning terminal | |
| CN204044567U (en) | A kind of urban track traffic low-voltage distribution system control terminal | |
| CN204575118U (en) | A kind of Intelligent photovoltaic substation data acquisition system | |
| CN205160091U (en) | Little electric wire netting grid -connected interface integrated device | |
| CN204809988U (en) | Special digital communication management platform system of adapted electric wire netting | |
| CN203840054U (en) | Object-oriented distribution terminal | |
| CN204205612U (en) | For the Powerless compensation control box of double power-supply system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |