CN202475034U - On-site intelligent distributed feeder automation device - Google Patents
On-site intelligent distributed feeder automation device Download PDFInfo
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- CN202475034U CN202475034U CN2012201070544U CN201220107054U CN202475034U CN 202475034 U CN202475034 U CN 202475034U CN 2012201070544 U CN2012201070544 U CN 2012201070544U CN 201220107054 U CN201220107054 U CN 201220107054U CN 202475034 U CN202475034 U CN 202475034U
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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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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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
- 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
- Y04S10/20—Systems supporting electrical power generation, transmission or distribution using protection elements, arrangements or systems
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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
- 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
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/124—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wired telecommunication networks or data transmission busses
Abstract
The utility model discloses an on-site intelligent distributed feeder automation device which comprises optical cable terminal equipment of a substation. The optical cable terminal equipment is connected with a master system by an SDH (Synchronous Digital Hierarchy) network; FA (Feeder Automation) control units are positioned in a K-type station connected with the optical cable terminal equipment; the K-type station is also connected with N W-type stations; first and second FA control units in the K-type station are connected with a first optical network unit; the first optical network unit is connected with the optical cable terminal equipment by an optical fiber; the first and second FA control units are connected with a remote terminal unit; the remote terminal unit is connected with the first optical network unit; and the FA control units in the same W-type station are also respectively connected with the corresponding optical network unit, wherein the optical network unit is connected with a previous optical network unit. The automation device disclosed by the utility model is rapid, convenient and accurate and can be used for accurately monitoring the operating state of a distribution line, timely finding a line fault, rapidly diagnosing a fault interval, separating the fault interval and rapidly recovering the power supply to a non-fault interval.
Description
Technical field
The utility model relates to a kind of automation equipment of electric power system, is specifically related to a kind of intelligent distributed feeder automation device.
Background technology
Intelligent grid has become the up-to-date direction that world today's power system development is changed, thereby the intelligent power distribution net then becomes the emphasis of research.In distribution network automated development; The research of feed line automatization system (FA) becomes the core content of paying close attention in the distribution automation; Its requirement is exactly to utilize automation equipment or system, keeps watch on the operation conditions of distribution line, in time finds line fault; Rapid be out of order interval and fault section isolated of diagnosis, fast quick-recovery is to the power supply of non-fault section.
According to strong intelligent grid strategic plan of State Grid Corporation of China and development plan, pilot is carried out the power distribution automation regional construction and has been become the important content that electric power system is built.
Feeder automation (FA): can utilize automation equipment or system, keep watch on the operation conditions of distribution line, realize the function of fault location, isolation and the non-fault zone automatic recovery of power supply of feeder line.Can adopt multiple mode, realize automatically, mainly comprise: intelligent distributed FA, intelligent substation formula FA, artificial FA and automatic circuit mode FA by manual operation or system.
Intelligent distributed FA: restore electricity through troubleshooting logic realization Fault Isolation between the FTU and non-fault zone, do not allow distribution main website or distribution substation to participate in anti-the accent and control, still, need afterwards the result of troubleshooting is reported the distribution main website.
Intelligence substation formula FA: concentrated troubleshooting logic realization Fault Isolation and non-fault zone through between distribution substation and the FTU restore electricity, and do not allow the distribution main website to participate in coordinating and control.
Artificial FA: system is through DSCADA system acquisition fault message, in conjunction with the fault section analysis of integrated data platform topological structure, after the completion fault location, by manual work completion main website remote control or to the in-situ processing fault.
Automatic circuit mode FA: utilization has the automatic circuit of defencive function and the sequential of breaker cooperates, and isolated fault automatically can realize not having Fault Isolation and non-fault line under the communication system conditions to restore electricity.
According to " going up marine, low voltage electric network equipping rules and modular design (2010 editions) " (Shanghai Electric Power Co company standard), the unification of 10kV power distribution station is three types, i.e. K type station, P type station, W type station.
Switchyard is represented at K type station, and the open air station is represented at W type station.In switchyard, the K-switchyard, T-is with transformer; The F-transless, A-10kV adopts the air insulation switch cubicle; G-10kV adopts the inflation cabinet.In K type station, owing to use the circuit breaker of different types, thereby icon is different, but main electrical circuit diagram is identical.The form of switchyard is following: KFA, KFG, KTA, KTG station.KFA-is not with transformer; Use the switchyard of vacuum circuit-breaker air insulation switch cubicle, KFG-is not with transformer, uses the switchyard of vacuum circuit-breaker gas insulation switch cabinet; KTA-is with 2 transformers; Use the switchyard of vacuum circuit-breaker air insulation switch cubicle, KTG-is with 2 transformers, uses the switchyard of vacuum circuit-breaker gas insulation switch cabinet.
In standing out of doors, the W-open air station, X-prepackage type power distribution station, the outdoor looped network device of H-10kV, L-low pressure outdoor cable feeder pillar, WX-prepackage type power distribution station is also claimed box type transformer, has the turnover line to become looped network, claims that also the looped network case becomes.WH-is not with transformer, and only 10kV is claimed at the 10kV outdoor electricity distribution station of branch cable outdoor looped network device again, and fuse can be housed, and also can not adorn fuse, decides as required.WL-low pressure outdoor cable branch unit.
The utility model content
The technical problem that the utility model will solve provides the intelligent distributed feeder automation device of a kind of type on the spot.
The technical scheme of the utility model is: the intelligent distributed feeder automation device of type on the spot; The optical fiber cable termination equipment that comprises transformer station; Said optical fiber cable termination equipment is connected with main station system through the SDH network; The FA control unit is arranged in a K type station that is connected with said optical fiber cable termination equipment, and said K type station also is connected with N W type station; Comprise an optical network unit, a remote terminal unit and two FA control units in the said K type station; Comprise an optical network unit and a FA control unit in the said W type station;
FA control unit in the said K type station is connected with first optical network unit, and said first optical network unit links to each other with said optical fiber cable termination equipment through optical fiber; The one FA control unit is connected with remote terminal unit, and said remote terminal unit is connected with said first optical network unit; The 2nd FA control unit also is connected with remote terminal unit with first optical network unit simultaneously;
The 3rd FA control unit in the said W type station is connected with second optical network unit, and said second optical network unit is connected with first optical network unit through optical fiber.
Wherein, the FA control unit in the said K type station links to each other with said remote terminal unit through the RS-232 serial ports with the 2nd FA control unit.
Perhaps, the FA control unit in the said K type station is connected with first optical network unit through the RJ45 Ethernet with the 2nd FA control unit.
Wherein, the remote terminal unit in the said K type station is connected through the RS-232 serial ports with said first optical network unit.
Wherein, FA control unit in the said W type station is connected with optical network unit through the RJ45 Ethernet; Promptly the 3rd FA control unit in the W type station is connected with second optical network unit through the RJ45 Ethernet; The 2nd W type station the 4th FA control unit is connected with the 3rd optical network unit through the RJ45 Ethernet ... NW type station N+2FA control unit is connected with the N+1 optical network unit through the RJ45 Ethernet.
The distribution line that possesses the peer-to-peer communications condition between the distribution terminal can adopt that type is intelligent distributed on the spot.The intelligent distributed FA of type can realize some complete municipal feeder fault processing on the spot.This autonomous area must contain is with the defencive function power supply point to go out wiretap more than two, form the loop of supplying power hand in hand.After intelligent distributed FA function is set puts into operation, main website haves no right the equipment of website in this zone is done any control operation.When be provided with distributed FA function out of service after, the control of website is transferred main website and is handled in this zone.
Beneficial effect:
An intelligent distributed FA control unit is respectively disposed in the utility model two rule power supply point outlets in the power supply loop; And remote terminal unit equipment has data exchanging function and through establishing a communications link between internetwork connection mode and the intelligent distributed FA terminal equipment in standing; Every power distribution station in the power supply loop disposes an intelligent distributed FA terminal equipment; Gather and control the power distribution automation equipment of our station; Intelligent distributed FA control unit and FA terminal equipment coordinated under the situation that does not have main station system to participate in, realize the intelligent distributed automation function of this autonomous area website.The automation equipment of the utility model is quick, accurately, the operation conditions that can accurately keep watch on distribution line is in time found line fault, accident analysis is timely, be out of order interval and fault section isolated of diagnosis rapidly, fast quick-recovery is to the power supply of non-fault section.
Description of drawings
Fig. 1 is the communication link structure chart of the intelligent distributed feeder automation device of type on the spot.
Fig. 2 is the connection sketch map at K type station in the intelligent distributed feeder automation device of type on the spot.
Fig. 3 is the connection sketch map at W type station in the intelligent distributed feeder automation device of type on the spot.
Embodiment
Describe in further detail below in conjunction with the specific embodiment of accompanying drawing the utility model.
As shown in Figure 1; The intelligent distributed feeder automation device of the type on the spot of the utility model; The optical fiber cable termination equipment OLT that comprises transformer station; Said optical fiber cable termination equipment OLT is connected with main station system through the SDH network, and the FA control unit is arranged in a K type station that is connected with optical fiber cable termination equipment OLT, comprises an optical network unit, a remote terminal unit and two FA control units in the K type station; Communication equipment in the K type station adopts ONU (being optical network unit), and this optical network unit is called first optical network unit; Comprise an optical network unit and a FA control unit in the said W type station; FA control unit in the said K type station is connected with first optical network unit, and said first optical network unit links to each other with said optical fiber cable termination equipment through optical fiber; The one FA control unit is connected with remote terminal unit RTU, and said remote terminal unit RTU is connected with said first optical network unit; The 2nd FA control unit also is connected with remote terminal unit RTU with first optical network unit simultaneously;
The 3rd FA control unit in the said W type station is connected with second optical network unit, and said second optical network unit is connected with first optical network unit through optical fiber.
K type station also is connected with N W type station, and the FA control unit in the W type station is called the 3rd FA control unit, and the optical network unit in the W type station is called second optical network unit; FA control unit in the 2nd W type station is called the 4th FA control unit; Optical network unit in the 2nd W type station is called the 3rd optical network unit; By that analogy; FA control unit in N W type station is called the N+2FA control unit, and the optical network unit in N W type station is called the N+1 optical network unit.
The 3rd FA control unit in the one W type station is connected with second optical network unit in the W type station, and said second optical network unit is connected with first optical network unit in the K type station through optical fiber;
The 2nd W type station the 3rd FA control unit is connected with the 3rd optical network unit in the 2nd W type station, and said the 3rd optical network unit is connected with second optical network unit in the W type station through optical fiber;
……
N W type station N+2FA control unit is connected with the N+1 optical network unit, and said N+1 optical network unit is connected with the N optical network unit at a last W type station through optical fiber.
FA control unit in the above-mentioned K type station and the 2nd FA control unit are through RS-232 serial ports link to each other with said remote terminal unit RTU (through the CDT stipulations).FA control unit in the K type station is connected with first optical network unit through the RJ45 Ethernet with the 2nd FA control unit.Remote terminal unit RTU in the K type station is connected (through the CDT stipulations) with said first optical network unit through the RS-232 serial ports.
In W type station; The FA control unit is connected with optical network unit through the RJ45 Ethernet; Promptly the 3rd FA control unit in the W type station is connected with second optical network unit in the W type station through the RJ45 Ethernet; The 2nd W type station the 4th FA control unit is connected with the 3rd optical network unit through the RJ45 Ethernet ... N W type station N+2FA control unit is connected with the N+1 optical network unit through the RJ45 Ethernet.
An intelligent distributed FA control unit is respectively disposed in two rule power supply point outlets in the power supply loop; And remote terminal unit equipment has data exchanging function and through establishing a communications link between internetwork connection mode and the intelligent distributed FA terminal equipment in standing; Every power distribution station in the power supply loop disposes an intelligent distributed FA terminal equipment; Gather and control the power distribution automation equipment of our station; Intelligent distributed FA control unit and FA terminal equipment coordinated under the situation that does not have main station system to participate in, realize the intelligent distributed automation function of this autonomous area website.
The control unit configuration of K type station:
1) data-interface: this control unit possesses 4 RS232 serial line interfaces and 2 network interfaces (RJ45), and 1 serial ports is used for communicating by letter (adopting CDT stipulations promulgated by the ministries or commissions of the Central Government) with K type power distribution automation device, and 1 serial ports is used for local the maintenance, and 2 serial ports are subsequent use in addition; 1 network interface is used to insert communication network and the remote maintenance of realizing the FA function, and 1 network interface is subsequent use in addition;
2) the FA function is thrown and backed out the pass: K type station control unit configuration FA function is thrown and is backed out the pass; Any one control unit is thrown the change of backing out closed position in two outlets of power supply loop; Whole piece circuit automatic operating mode promptly changes, and W type station FA terminal equipment no longer disposes to throw backs out the pass;
3) operating voltage: DC110V is by providing in the telemechanical screen;
4) the accident resultant signal inserts: the accident resultant signal sends the FA control unit by RTU to through remote signalling displacement message form in the K type station.
The distribution terminal configuration of W type station:
1) data-interface: this terminal possesses 2 RS232 serial line interfaces and 2 network interfaces (RJ45), and 1 serial ports is used for local the maintenance, in addition 1 subsequent use; 1 network interface is used to insert the communication network of realizing the FA function, and to main website transmission data (using 104 stipulations), 1 network interface is subsequent use in addition;
2) group screen casing: the DTU box sizes is not more than 600*350*350mm (the wide * of high * is dark), colour code RAL7035, and surperficial lettering: LOGO sign and electric power (lightning) sign use red, and all the other letterings use black, chamber door detachable (non-revolving door);
3) working power: DC24V, becoming UPS by case provides;
4) voltage data collection: the case time variant voltage is sampled totally 7, is respectively the Uab and the Ucb (AC100V) of two-way 10kV switch, the three-phase voltage of one road low tension switch (AC220V);
5) magnitude of current collection: the case time-dependent current is sampled totally 9, is respectively the three-phase current and the zero-sequence current (DTU self is with the synthetic zero-sequence current of three-phase current) of two-way 10kV switch, the B phase current (5A) of one road low tension switch;
6) remote signal: case becomes the remote control two-way, operating power DC24V (actual is the auxiliary relay that driving box becomes), and becoming UPS by case provides;
7) remote signals: case becomes 7 of remote signalling, is respectively switch position signal, earthing position signal and a distant place/local signal of two-way 10kV switch, transformer 10kV inlet wire fuse signal.
K type station connectivity scenario:
As shown in Figure 2, the K type disposes a FA control unit for every outlet in the station, is installed in the station in the existing telemechanical screen (shielding installation altogether with RTU equipment) power supply DC110V; The FA control unit obtains the on/off switch control etc. that the voltage, electric current, the position of the switch, accident of outlet is total and go out wiretap through the CDT stipulations from RTU.
W type station connectivity scenario:
As shown in Figure 3, the intelligent distributed FA terminal equipment of type (being the FA control unit) is on the spot installed at W type station, realizes three distant functions and FA function.
The intelligent distributed plant maintenance software of type can be realized the remote maintenance functions of equipment through network communication mode on the spot, comprise adorn Parameter File and program up and down, check real time data, remote control etc.
Show the FA course of action with the line chart mode, when circuit can't be done fault simulation, the available software mode was provided with position of failure point, FA equipment simulating fault handling process.
Other unaccomplished matters adopt the routine configuration at K type station and W type station, repeat no more at this.
The automation equipment of the utility model can be located and handling failure fast, accurately keep watch on the operation conditions of distribution line after, in time find line fault, rapid be out of order interval and fault section isolated of diagnosis, fast quick-recovery is to the power supply of non-fault section.
Claims (5)
1. the intelligent distributed feeder automation device of type on the spot; The optical fiber cable termination equipment that comprises transformer station; Said optical fiber cable termination equipment is connected with main station system through the SDH network, and the FA control unit is arranged in a K type station that is connected with said optical fiber cable termination equipment, it is characterized in that:
Said K type station also is connected with N W type station; Comprise an optical network unit, a remote terminal unit and two FA control units in the said K type station; Comprise an optical network unit and a FA control unit in the said W type station;
FA control unit in the said K type station is connected with first optical network unit, and said first optical network unit links to each other with said optical fiber cable termination equipment through optical fiber; The one FA control unit is connected with remote terminal unit, and said remote terminal unit is connected with said first optical network unit; The 2nd FA control unit also is connected with remote terminal unit with first optical network unit simultaneously;
The 3rd FA control unit in the said W type station is connected with second optical network unit, and said second optical network unit is connected with first optical network unit through optical fiber.
2. the intelligent distributed feeder automation device of type on the spot according to claim 1 is characterized in that the FA control unit in the said K type station links to each other with said remote terminal unit through the RS-232 serial ports with the 2nd FA control unit.
3. the intelligent distributed feeder automation device of type on the spot according to claim 1 is characterized in that the FA control unit in the said K type station is connected with first optical network unit through the RJ45 Ethernet with the 2nd FA control unit.
4. the intelligent distributed feeder automation device of type on the spot according to claim 1 is characterized in that the remote terminal unit in the said K type station is connected through the RS-232 serial ports with said first optical network unit.
5. the intelligent distributed feeder automation device of type on the spot according to claim 1; It is characterized in that the FA control unit in the said W type station is connected with optical network unit through the RJ45 Ethernet; Promptly the 3rd FA control unit in the W type station is connected with second optical network unit through the RJ45 Ethernet; The 2nd W type station the 4th FA control unit is connected with the 3rd optical network unit through the RJ45 Ethernet ... NW type station N+2FA control unit is connected with the N+1 optical network unit through the RJ45 Ethernet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201070544U CN202475034U (en) | 2012-03-20 | 2012-03-20 | On-site intelligent distributed feeder automation device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201070544U CN202475034U (en) | 2012-03-20 | 2012-03-20 | On-site intelligent distributed feeder automation device |
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| CN202475034U true CN202475034U (en) | 2012-10-03 |
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| CN2012201070544U Expired - Lifetime CN202475034U (en) | 2012-03-20 | 2012-03-20 | On-site intelligent distributed feeder automation device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103022994A (en) * | 2012-12-10 | 2013-04-03 | 上海市电力公司 | Method for achieving fault isolation and recovery of power distribution network with permeability distribution type power supply |
| CN103986239A (en) * | 2014-05-28 | 2014-08-13 | 国电南瑞科技股份有限公司 | Intelligent distribution type FA control method suitable for distribution type power source connection |
| CN105490382A (en) * | 2015-11-25 | 2016-04-13 | 国网辽宁省电力有限公司大连供电公司 | Uplink signal processing method |
-
2012
- 2012-03-20 CN CN2012201070544U patent/CN202475034U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103022994A (en) * | 2012-12-10 | 2013-04-03 | 上海市电力公司 | Method for achieving fault isolation and recovery of power distribution network with permeability distribution type power supply |
| WO2014089958A1 (en) * | 2012-12-10 | 2014-06-19 | 上海市电力公司 | Distribution network failure isolation and recovery method realizing penetration distributed generation |
| CN103022994B (en) * | 2012-12-10 | 2015-05-13 | 上海市电力公司 | Method for achieving fault isolation and recovery of power distribution network with permeability distribution type power supply |
| CN103986239A (en) * | 2014-05-28 | 2014-08-13 | 国电南瑞科技股份有限公司 | Intelligent distribution type FA control method suitable for distribution type power source connection |
| CN103986239B (en) * | 2014-05-28 | 2016-05-25 | 国电南瑞科技股份有限公司 | A kind of intelligent distributed FA control method that adapts to distributed power source access |
| CN105490382A (en) * | 2015-11-25 | 2016-04-13 | 国网辽宁省电力有限公司大连供电公司 | Uplink signal processing method |
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Granted publication date: 20121003 |