CN105262224B - A kind of monitoring in real time of electric network fault and protection system and its method of work - Google Patents
A kind of monitoring in real time of electric network fault and protection system and its method of work Download PDFInfo
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- CN105262224B CN105262224B CN201510745847.7A CN201510745847A CN105262224B CN 105262224 B CN105262224 B CN 105262224B CN 201510745847 A CN201510745847 A CN 201510745847A CN 105262224 B CN105262224 B CN 105262224B
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000004891 communication Methods 0.000 claims abstract description 17
- 238000005192 partition Methods 0.000 claims abstract description 16
- 230000001052 transient effect Effects 0.000 claims abstract description 8
- 230000003068 static effect Effects 0.000 claims abstract description 7
- 238000004458 analytical method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011217 control strategy Methods 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003012 network analysis Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
Abstract
The invention discloses a kind of monitoring in real time of electric network fault and protection system and its method of work, wherein, electric network fault monitoring in real time and protection system, including：Main electric network information acquisition system, it is used to gather electric network data and is uploaded to master control system by partition network communication system；Intelligent terminal, its operating status for being used to gather the affiliated subregion two buss lines of intelligent terminal and fault message are simultaneously uploaded to master control system；Master control system; it is used to receive main electric network information acquisition system and intelligent terminal transmits the electric network data come and carries out static and transient state and analyzes in real time; control command is formed, and control command is reached down to electric network protection system and the corresponding protection act of intelligent terminal progress respectively.
Description
Technical field
The invention belongs to electric network fault field, more particularly to a kind of monitoring in real time of electric network fault and protection system and its work
Method.
Background technology
Electric network protection and fault early warning system, play important function in auxiliary dispatching person's decision-making level, are control centres
Indispensable instrument, its major function are made of two parts of basic function and application function, specifically include data acquisition with
Monitoring, network analysis, action such as issue at the function.But its main application model or dispatcher's request just perform, and lay particular emphasis on and grind
Study carefully pattern, and lack from motion tracking operation of power networks state, automatic diagnosis power grid problem, provide control strategy and the method for operation automatically
The function of adjustable strategies.
In addition, existing system can only carry out static analysis, lack on-line transient stability, voltage stabilization and dynamic stability analysis
Function, whole system is not intelligent enough, to ensure necessary security margin, in schedule mode evaluation work, generally use
Extreme manner is studied, it is impossible to plays the on-road efficiency of power grid to greatest extent.It can be seen from the above that existing electric network protection system is deposited
In numerous shortcomings, as power grid is by electric ratio, the continuous increase by capacitance, and the change of power system operating mode, especially
It is the implementation of subregion districting operation, the potential threat of electric power netting safe running increasingly increases, and only relies on traditional protection systematic comparison
Difficulty, this just proposes traditional protection system the requirement of higher, therefore is supervised in real time there is an urgent need to provide a kind of electric network fault
Survey and protection system.
The content of the invention
The shortcomings that in order to solve the prior art, the present invention provide a kind of monitoring in real time of electric network fault and protection system and its work
Make method.Electric network fault monitoring in real time is directed to substation transformer secondary side power grid security failure with protection system system, passes through
Partition network communication system controls network, realizes electric network fault monitoring and defencive function in real time, can ensure that power grid is reliably transported
OK, the requirement of power system security protection is met, it is ensured that electric power real-time closed-loop monitoring system and the safety of dispatching data network.
To achieve the above object, the present invention uses following technical scheme：
A kind of monitoring in real time of electric network fault and protection system, including：
Main electric network information acquisition system, it is used to gather electric network data and is uploaded to master control by partition network communication system
System；
Intelligent terminal, the intelligent terminal are bi-directionally connected with master control system, and the intelligent terminal is used to gather intelligent terminal
The operating status and fault message of affiliated subregion two buss lines are simultaneously uploaded to master control system；
Master control system, it is used to receive main electric network information acquisition system and intelligent terminal transmits the electric network data come and progress
Static and transient state is analyzed in real time, forms control command, and control command is reached down electric network protection system and intelligent terminal respectively
Carry out corresponding protection act.
The intelligent terminal is installed in substation's branch outgoing line side.
Control command is handed down to electric network protection system by partition network communication system and carried out accordingly by the master control system
Protection act.
Control command is handed down to intelligent terminal by the master control system, and intelligent terminal receives the control life that master control system issues
After order, determine the cutting load object in power grid and corresponding control command is handed down to related protection control unit.
A kind of monitoring in real time of electric network fault and the method for work of protection system, including：
Step (1)：Main electric network information acquisition system gathers electric network data and is uploaded to master by partition network communication system
Control system；
Step (2)：Intelligent terminal collection the affiliated subregion two buss lines of intelligent terminal operating status and fault message and on
Reach master control system；
Step (3)：Master control system receives main electric network information acquisition system and intelligent terminal transmits the electric network data come and goes forward side by side
Row is static and transient state is analyzed in real time, forms control command, and control command is reached down electric network protection system and intelligence respectively eventually
End carries out corresponding protection act.
In the step (3), control command is handed down to electric network protection system by master control system by partition network communication system
System carries out corresponding protection act.
In the step (3), control command is handed down to intelligent terminal by master control system, and intelligent terminal is received under master control system
After the control command of hair, determine the cutting load object in power grid and corresponding control command is handed down to related protection control unit.
The method of work further includes, intelligent terminal also detects the load of its affiliated substation, and will detect in real time
Load is uploaded to master control system.
The method of work further includes, and master control system selects optimal cutting load to combine according to the load received, and right
Corresponding substation performs cutting load.
The method of work further includes, and intelligent terminal can cutting load amount and cutting load action by the reality in its affiliated substation
Execution state is uploaded to master control system and is monitored in real time.
Beneficial effects of the present invention are：
(1) electric network fault of the invention monitoring in real time and protection system, by data analysis and subregion Communication Control network,
Electric network fault monitoring and defencive function in real time are realized, ensure that power grid is reliably run, meets power system security protection
Requirement, it is ensured that electric power real-time closed-loop monitoring system and the safety of dispatching data network；
(2) establish bi-directionally connected between master control system of the invention and intelligent terminal, use power grid real-time running data
Whole network voltage failure and protection information are provided, the security and stability control of power grid is realized, according to operation of power networks situation to protective device
It is controlled, ensures power network safety operation.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the present invention.
Wherein, 1, main electric network information acquisition system；2nd, master control system；3rd, partition network communication system；4th, electric network protection system
System；5th, the first intelligent terminal；6th, the second intelligent terminal；7th, the 3rd intelligent terminal；8th, the 4th intelligent terminal；9th, the 5th intelligence is whole
End.
Embodiment
The present invention will be further described with embodiment below in conjunction with the accompanying drawings：
Fig. 1 is the overall structure diagram of the present invention, and in Fig. 1, electric network fault of the invention monitoring in real time is with protection
System, including main electric network information acquisition system 1, intelligent terminal and master control system 2.
Wherein, main electric network information acquisition system 1, it is used to gather electric network data and by partition network communication system 3
Reach master control system 2.
Intelligent terminal, it is bi-directionally connected with master control system.Intelligent terminal is used to gather the affiliated subregion busbar line of intelligent terminal
The operating status and fault message on road are simultaneously uploaded to master control system 2.
Wherein, intelligent terminal is installed in each substation's branch outgoing line side.Intelligent terminal in the present embodiment is with the first intelligence
Energy terminal 5, the second intelligent terminal 6, the 3rd intelligent terminal 7, the 4th intelligent terminal 8 and the 5th intelligent terminal 9, this five intelligence are eventually
Exemplified by end.
First intelligent terminal 5, the second intelligent terminal 6, the 3rd intelligent terminal 7, the 4th intelligent terminal 8 and the 5th intelligent terminal
9, this five intelligent terminals are respectively arranged in corresponding substation's branch outgoing line side.
Master control system 2, it is used to receive main electric network information acquisition system and intelligent terminal transmits the electric network data come and goes forward side by side
Row is static and transient state is analyzed in real time, forms control command, and control command is reached down electric network protection system 4 and intelligence respectively eventually
End carries out corresponding protection act.
Wherein, control command is handed down to electric network protection system 4 by partition network communication system 3 and carried out by master control system 2
Corresponding protection act.
Control command is handed down to intelligent terminal by master control system 2, and intelligent terminal receives the control command that master control system issues
Afterwards, determine the cutting load object in power grid and corresponding control command is handed down to related protection control unit.
The monitoring in real time of the electric network fault of the present invention and the method for work of protection system, including：
Step (1)：Main electric network information acquisition system gathers electric network data and is uploaded to master by partition network communication system
Control system；
Step (2)：Intelligent terminal collection the affiliated subregion two buss lines of intelligent terminal operating status and fault message and on
Reach master control system；
Step (3)：Master control system receives main electric network information acquisition system and intelligent terminal transmits the electric network data come and goes forward side by side
Row is static and transient state is analyzed in real time, forms control command, and control command is reached down electric network protection system and intelligence respectively eventually
End carries out corresponding protection act.
In the step (3), control command is handed down to electric network protection system by master control system by partition network communication system
System carries out corresponding protection act.
Further, in step (3), control command is handed down to intelligent terminal by master control system, and intelligent terminal receives master control
After the control command that system issues, determine the cutting load object in power grid and corresponding control command is handed down to related protection control
Unit.
The method of work further includes, intelligent terminal also detects the load of its affiliated substation, and will detect in real time
Load is uploaded to master control system.
The method of work further includes, and master control system selects optimal cutting load to combine according to the load received, and right
Corresponding substation performs cutting load.
The method of work further includes, and intelligent terminal can cutting load amount and cutting load action by the reality in its affiliated substation
Execution state is uploaded to master control system and is monitored in real time.
Although above-mentioned be described the embodiment of the present invention with reference to attached drawing, model not is protected to the present invention
The limitation enclosed, those skilled in the art should understand that, on the basis of technical scheme, those skilled in the art are not
Need to make the creative labor the various modifications that can be made or deformation still within protection scope of the present invention.
Claims (7)
1. a kind of monitoring in real time of electric network fault and protection system, it is characterised in that including：
Main electric network information acquisition system, it is used to gather electric network data and is uploaded to master control system by partition network communication system
System；
Intelligent terminal, the intelligent terminal are bi-directionally connected with master control system, and the intelligent terminal is used to gather belonging to intelligent terminal
The operating status and fault message of subregion two buss lines are simultaneously uploaded to master control system；
Master control system, it is used to receive main electric network information acquisition system and intelligent terminal transmits the electric network data come and carries out static state
Analyzed in real time with transient state, form control command, and control command is reached down to electric network protection system and intelligent terminal progress respectively
Corresponding protection act；
The intelligent terminal is installed in substation's branch outgoing line side；
Control command is handed down to electric network protection system by the master control system by partition network communication system accordingly to be protected
Action；
Control command is handed down to intelligent terminal by the master control system, and intelligent terminal receives the control command that master control system issues
Afterwards, determine the cutting load object in power grid and corresponding control command is handed down to related protection control unit；
Electric network fault monitoring in real time is directed to substation transformer secondary side power grid security failure with protection system, passes through partition network
Communication system controls network, realizes electric network fault monitoring and defencive function in real time, to ensure that power grid is reliably run, meets electric power
The requirement of system security protection, it is ensured that electric power real-time closed-loop monitoring system and the safety of dispatching data network.
2. a kind of electric network fault as claimed in claim 1 monitoring in real time and the method for work of protection system, it is characterised in that bag
Include：
Step（1）：Main electric network information acquisition system gathers electric network data and is uploaded to master control system by partition network communication system
System；
Step（2）：The operating status and fault message of the intelligent terminal collection affiliated subregion two buss lines of intelligent terminal are simultaneously uploaded to
Master control system；
Step（3）：Master control system receives main electric network information acquisition system and intelligent terminal transmits the electric network data come and carries out quiet
State and transient state are analyzed in real time, form control command, and control command reached down respectively electric network protection system and intelligent terminal into
The corresponding protection act of row.
3. electric network fault as claimed in claim 2 monitoring in real time and the method for work of protection system, it is characterised in that the step
Suddenly（3）In, control command is handed down to electric network protection system by master control system by partition network communication system accordingly to be protected
Action.
4. electric network fault as claimed in claim 2 monitoring in real time and the method for work of protection system, it is characterised in that the step
Suddenly（3）In, control command is handed down to intelligent terminal by master control system, and intelligent terminal receives the control command that master control system issues
Afterwards, determine the cutting load object in power grid and corresponding control command is handed down to related protection control unit.
5. electric network fault as claimed in claim 2 monitoring in real time and the method for work of protection system, it is characterised in that the work
Method further includes, and intelligent terminal also detects the load of its affiliated substation, and the load detected is uploaded to master in real time
Control system.
6. electric network fault as claimed in claim 5 monitoring in real time and the method for work of protection system, it is characterised in that the work
Method further includes, and master control system selects optimal cutting load to combine according to the load received, and corresponding substation is held
Row cutting load.
7. electric network fault as claimed in claim 2 monitoring in real time and the method for work of protection system, it is characterised in that the work
Method further includes, intelligent terminal by the reality in its affiliated substation can cutting load amount and cutting load action executing state be uploaded to
Master control system is monitored in real time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510745847.7A CN105262224B (en) | 2015-11-04 | 2015-11-04 | A kind of monitoring in real time of electric network fault and protection system and its method of work |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510745847.7A CN105262224B (en) | 2015-11-04 | 2015-11-04 | A kind of monitoring in real time of electric network fault and protection system and its method of work |
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| Publication Number | Publication Date |
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| CN105262224A CN105262224A (en) | 2016-01-20 |
| CN105262224B true CN105262224B (en) | 2018-05-11 |
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| CN109610976A (en) * | 2018-12-27 | 2019-04-12 | 苏州浪潮智能软件有限公司 | A kind of guard method of split type cash side cabinet |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101826755A (en) * | 2010-05-11 | 2010-09-08 | 羿宝存 | Intelligent power distribution network and power-consumption real-time monitoring and managing system |
| CN201985627U (en) * | 2011-05-06 | 2011-09-21 | 中国神华能源股份有限公司 | Power distribution terminal and intelligent power grid system using same |
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2015
- 2015-11-04 CN CN201510745847.7A patent/CN105262224B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101826755A (en) * | 2010-05-11 | 2010-09-08 | 羿宝存 | Intelligent power distribution network and power-consumption real-time monitoring and managing system |
| CN201985627U (en) * | 2011-05-06 | 2011-09-21 | 中国神华能源股份有限公司 | Power distribution terminal and intelligent power grid system using same |
Non-Patent Citations (2)
| Title |
|---|
| 变电站RTU及远动信道故障诊断监测系统设计;曾一凡等;《电网技术》;20050430;第29卷(第8期);第75-79页 * |
| 影响配变监测终端上线率的原因分析及解决措施;蔡景素等;《黑龙江电力》;20140430;第36卷(第2期);第170-172页 * |
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