CN207664713U - A kind of distribution substation automation system - Google Patents
A kind of distribution substation automation system Download PDFInfo
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- CN207664713U CN207664713U CN201721630170.3U CN201721630170U CN207664713U CN 207664713 U CN207664713 U CN 207664713U CN 201721630170 U CN201721630170 U CN 201721630170U CN 207664713 U CN207664713 U CN 207664713U
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- power distribution
- optical switch
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- distribution station
- voltage
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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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Abstract
The utility model discloses a kind of distribution substation automation systems, including：Multiple intelligent assemblies, each intelligent assembly are arranged between two adjacent power distribution stations；Optical switch, each intelligent assembly are connect optical switch with optical switch by digital optical fiber net and connect digital communication net in each power distribution station；DTU devices, connect with optical switch；Scheduling system is connect by the router being internally provided with DTU devices；Each intelligent assembly, which acquires electric current, voltage and the three distant analog signals between corresponding each two adjacent power distribution stations and is converted to corresponding digital signal, is sent to optical switch, the DTU devices obtain the electric current, voltage and three distant real-time digital informations at each power distribution station interval from the optical switch, and execute breaking-closing operating of the higher level control centre to high-voltage switch gear in each power distribution station.The utility model has the secondary cable for saving power distribution station, simple in structure, clearly, efficient and reliable advantage.
Description
Technical field
It is the utility model is related to intelligent power distribution stand control technical field, more particularly to a kind of to be digitized in power distribution station application
The automated system of intelligent assembly.
Background technology
In the prior art, the signal use of every interval to automated system is continued to use always in current power distribution station automatic
The point-to-point acquisition of electric simulation amount, structure is cumbersome, and signal is easy to interrupt.
With intelligentized fast development, more and more new technologies, new idea is developed for power distribution station of new generation
In.Power distribution automation also follows the development that trend adapts to current digital intellectualization closely.
Utility model content
The purpose of this utility model is to provide a kind of distribution substation automation system, by the way that each intelligent assembly is installed on phase
In the interval of two adjacent power distribution stations, the Current Voltage of concentrated collection distribution interval and the analog quantity of signal are converted to optical fiber and digital
DTU digital collection systems are given in amount output.Realize the secondary cable for saving power distribution station so that the distribution substation automation system
Structure is simpler, clearly, efficient and reliable purpose.
In order to achieve the goal above, the utility model is achieved through the following technical solutions：
A kind of distribution substation automation system, including：Multiple intelligent assemblies, each intelligent assembly are arranged adjacent two
Between a power distribution station；Optical switch, each intelligent assembly is connect by digital optical fiber net with the optical switch, described
Optical switch connects the digital communication net in each power distribution station；DTU devices are connect with the optical switch；Scheduling system
System, is connect by the router being internally provided with the DTU devices；Each intelligent assembly acquisition is corresponding each adjacent
Two power distribution stations between electric current, voltage and three distant analog signals and be converted to corresponding digital signal and be sent to the light
Interchanger, it is distant real-time that the DTU devices obtain the electric current at each power distribution station interval, voltage and three from the optical switch
Digital information, and execute breaking-closing operating of the higher level control centre to high-voltage switch gear in each power distribution station.
Preferably, the intelligent assembly includes：The acquisition of the electric current and voltage analog at the corresponding each power distribution station interval of acquisition
Module；Acquire the remote signalling amount at each power distribution station interval and point that the control instruction that is issued according to higher level control centre controls the feeding interval switch
The control module of conjunction；And convert the electric current at each power distribution station interval that the acquisition module acquires and voltage analog to number
Amount is transmitted to the optical switch.
Preferably, the automated system is additionally provided with exchange and/or straight-flow system, is filled by RS485 lines and the DTU
Set connection so that the DTU devices share friendship and/or the DC data of each power distribution station.
Preferably, the scheduling system is additionally provided with one and the data of each power distribution station is uploaded to the higher level control centre
Longitudinal encryption device.
Preferably, the automated system, which is additionally provided with, is uploaded to the data of total consumption electricity of each power distribution station on described
The Electric energy long-distance gathering system of grade control centre, is accessed in the digital optical fiber net.Preferably, the automated system
It is additionally provided with to the time synchronism apparatus of all protective devices and automation equipment clock synchronization in each power distribution station, accesses the number
Change in optical network.
The utility model has the following advantages compared with prior art：
By the way that each intelligent assembly is installed in the interval of two adjacent power distribution stations, the electricity of concentrated collection distribution interval
Galvanic electricity is pressed and the analog quantity of signal is converted to the output of optical fiber and digital amount and gives DTU digital collection systems.Intelligent assembly is installed on
In each distribution interval, three remote sensing informations acquisitions all to the interval are realized, the information of acquisition is converted into accurate 61850 of state's network mark
The optical signal of stipulations sends whole station optical switch information to by stern fast and summarizes, and all signals of whole station all will focus on light exchange
In machine, distribution automation DTU need not acquire three remote sensing informations from each distribution interval, only need to be connected to optical switch, both may be used
To acquire the real time information of each distribution interval, and the operational order to corresponding distribution interval can be issued to.Match with saving
The secondary cable in power station so that the structure of the distribution substation automation system is simpler, clearly, efficient and reliable advantage.
Description of the drawings
Fig. 1 is a kind of simple structure schematic diagram of distribution substation automation system of the utility model.
Specific implementation mode
The utility model is done and is further explained by the way that a preferable specific embodiment is described in detail below in conjunction with attached drawing
It states.
As shown in figure, a kind of distribution substation automation system of the utility model, including：Multiple intelligent assemblies, each intelligence
Component is installed in the interval of two adjacent power distribution stations, and intelligent assembly is made of acquisition module, control module and communication module,
Acquisition module is responsible for acquiring the electric current and voltage analog at power distribution station interval, and control module is responsible for acquiring the remote signalling at power distribution station interval
Amount, and the division function of controlling the feeding interval switch.The information of acquisition is converted to real-time digital amount signal and passes through communication by intelligent assembly
Module is sent shared to optical Ethernet interchanger.In the present embodiment, 8 intelligent assemblies 1~8 are depicted in figure；Digital optical fiber
Net；In above-mentioned each intelligent assembly access digital optical fiber net, make information exchange with it.With one end of above-mentioned digital optical fiber net
It is connected with big-dipper satellite timing device, is responsible for each intelligent object and automation protection clock synchronization, it is ensured that time unification.DTU
Device, i.e. DTU digital collections system access in above-mentioned digital optical fiber net.Needed inside power distribution station send signal on
Higher level control centre is given, while the operational order real time down that higher level control centre issues is opened to interval intelligent assembly completion
The breaking-closing operating of pass, DTU devices are connected with router and longitudinal encryption device.DTU devices by RS485 buses with match
Ac panel in power station is connected with direct current cabinet, and AC and DC information is imported number by acquisition direct current and the analog data exchanged
Word optical network.This automated system is additionally provided with the device of a metering electric energy, i.e. Electric energy long-distance gathering system (ERTU), sets
There are kilowatt-hour meter screen, kilowatt-hour meter and Electric Energy Acquisition System to be all made of digital table and be all connected to optical switch system.For detecting this
The total consumption electric flux of each power distribution station in automated system.
Interchanger is digitized, the digitalized network system of power distribution station is constituted, is connected to digital optical fiber net and DTU devices
Between, for summarizing three remote sensing informations in the distribution substation automation system and the current and voltage signals at each power distribution station interval
Information.
The DTU devices are used to obtain the real time information of each distribution interval, and the corresponding real-time letter by optical switch
Breath is issued to the corresponding operational order to corresponding distribution interval.
The Current Voltage of concentrated collection distribution interval and the analog quantity of signal are converted to the output of optical fiber and digital amount and give DTU numbers
Word acquisition system.Intelligent assembly is installed in each distribution interval, realizes three remote sensing informations acquisitions all to the interval, acquisition
Information be converted into state's network mark standard 61850 stipulations optical signal, whole station optical switch information is sent to by stern fast and is summarized, entirely
All signals of standing all will focus in optical switch, and distribution automation DTU need not acquire three remote sensing informations from each distribution interval
, it only need to be connected to optical switch, can not only acquire the real time information of each distribution interval, but also can be issued to accordingly matching
The operational order at electricity interval.Thus the secondary cable of power distribution station will be saved, it is only necessary to which producer provides stern fast and forms a digitlization
Fiber optic network.
In the present embodiment, by power distribution station, once secondary transformer equipment is integrated, and integrated equipment is utmostly realized
Large-scale production, integrated debugging, modularization dispatching, reduce in-site installation, wiring, debugging efforts in factory, improve construction quality, effect
Rate.The main wiring mode of standard creates condition for design, production, debugging, the installation of assembly type power distribution station, is conducive to unification
Standardized designs and construction, provide most basic guarantee for the construction of assembly type power distribution station.
In the present embodiment, the configuration of above-mentioned intelligent assembly is referring to shown in following Tables 1 and 2 a and 2b.
Table 1, intelligent assembly functional configuration
Table 2a intelligent assemblies to time Serial technology parameter
The process layer light network interface technical parameter of table 2b intelligent assemblies
Intelligent assembly electric parameter, wherein DC power supply：DC110V or DC220V, tolerance：- 20%~+15%；
Ripple coefficient<5%.Switch accuracy of measurement：Input voltage (DC220V/DC110V), resolution ratio≤1ms.Intelligent component device power consumption：
In normal work ,≤40W.
Intelligent assembly output contact capacity, wherein trip contact capacity：In voltage≤250V, electric current≤1A, time constant
L/R is in the direct current inductive load circuit of (5 ± 0.75) ms, and contact interrupting capacity is 50W, and permission passes through electric current≤5A for a long time.
It is (5 ± 0.75) ms's in voltage≤250V, electric current≤0.5A, time constant L/R for other contact capacities
In direct current inductive load circuit, contact interrupting capacity is 30W, and permission passes through electric current 3A for a long time.For intelligent assembly clock synchronization precision,
In normal work, the μ s of clock synchronization error≤± 1.For intelligent assembly SOE logouts, SOE logout numbers：1000；
Temporal resolution：≤1ms.Intelligent assembly environmental condition is as shown in table 3.
Table 3 is intelligent assembly environmental condition
| Operating temperature range | - 40 DEG C~+85 DEG C |
| Store transport temperature range | - 40 DEG C~+85 DEG C |
| Relative humidity | 5%~95% |
| Atmospheric pressure | 86kPa~106kPa |
Secondary intelligent assembly comes into operation, and directly saves secondary cable in power distribution station and uses, distribution electrical equipment
Primary secondary fusion, electrical equipment can be completed in factory, save live secondary connection, realize and " insert in installation and debugging completely
Use ", so as to realize that power distribution station builds really full manufacturer's standard production, Assembling, and power distribution station is completed in factory
Entirety or most of debugging.For further shortening the construction period, reducings the construction costs, improve construction and the management effect of distribution engineering
Rate has very important meaning.
The application of standard distributed station digital intelligent component, generally greatly shortens on-site construction time, is conducive to distribution
Power distribution station is become compacter by engineering mass construction, more cost-effective, and in future, affirmative can also be greatly developed,
So that power distribution station is directly entered digitlization, intellectualization times, is the direction of future technical advances.
Although the content of the utility model is discussed in detail by above preferred embodiment, but it should be appreciated that on
The description stated is not considered as limitations of the present invention.After those skilled in the art have read the above, for
A variety of modifications and substitutions of the utility model all will be apparent.Therefore, the scope of protection of the utility model should be by appended
Claim limit.
Claims (6)
1. a kind of distribution substation automation system, which is characterized in that include：Multiple intelligent assemblies, each intelligent assembly setting
Between two adjacent power distribution stations；Optical switch, each intelligent assembly are exchanged by digital optical fiber net with the light
Machine connects, and the optical switch connects the digital communication net in each power distribution station；DTU devices connect with the optical switch
It connects；
Scheduling system is connect by the router being internally provided with the DTU devices；
Each intelligent assembly acquires electric current, voltage and the three distant simulations between corresponding each two adjacent power distribution stations
Signal is simultaneously converted to corresponding digital signal and is sent to the optical switch, and the DTU devices obtain respectively from the optical switch
Electric current, voltage and the three distant real-time digital informations at a power distribution station interval, and higher level control centre is executed to each distribution
The breaking-closing operating of high-voltage switch gear in standing.
2. distribution substation automation system as described in claim 1, which is characterized in that
The intelligent assembly includes：The acquisition module of the electric current and voltage analog at the corresponding each power distribution station interval of acquisition；Acquisition is each
The control mould for the division that the remote signalling amount at power distribution station interval and the control instruction issued according to higher level control centre control the feeding interval switch
Block；And it converts digital quantity and is transmitted to institute the electric current at each power distribution station interval that the acquisition module acquires and voltage analog to
State optical switch.
3. distribution substation automation system as described in claim 1, which is characterized in that the automated system is additionally provided with exchange
And/or straight-flow system, it is connect with the DTU devices by RS485 lines so that the DTU devices share each power distribution station
Friendship and/or DC data.
4. distribution substation automation system as described in claim 1, which is characterized in that the scheduling system is additionally provided with one will be each
The data of power distribution station are uploaded to longitudinal encryption device of the higher level control centre.
5. distribution substation automation system as described in claim 1, which is characterized in that the automated system, which is additionally provided with, respectively to match
The data of total consumption electricity in power station are uploaded to the Electric energy long-distance gathering system of the higher level control centre, access described in
In digital optical fiber net.
6. distribution substation automation system as described in claim 1, which is characterized in that the automated system is additionally provided with to respectively matching
The time synchronism apparatus of all protective devices and automation equipment clock synchronization in power station accesses in the digital optical fiber net.
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| CN201721630170.3U CN207664713U (en) | 2017-11-29 | 2017-11-29 | A kind of distribution substation automation system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107800195A (en) * | 2017-11-29 | 2018-03-13 | 国网上海市电力公司 | A kind of distribution substation automation system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107800195A (en) * | 2017-11-29 | 2018-03-13 | 国网上海市电力公司 | A kind of distribution substation automation system |
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