CN103580925A - Method for achieving N-2 anti-accident measure type power communication network - Google Patents

Method for achieving N-2 anti-accident measure type power communication network Download PDF

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CN103580925A
CN103580925A CN201310566008.XA CN201310566008A CN103580925A CN 103580925 A CN103580925 A CN 103580925A CN 201310566008 A CN201310566008 A CN 201310566008A CN 103580925 A CN103580925 A CN 103580925A
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node
data center
network
key
total amount
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CN103580925B (en
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徐鹏
吕海军
郭加齐
于然
李信
许鸿飞
田宇
闫磊
常海娇
纪雨彤
张辉
金燊
李雪梅
袁卫国
马跃
闫忠平
郑长江
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State Grid Corp of China SGCC
Hohai University HHU
Information and Telecommunication Branch of State Grid Jibei Electric Power Co Ltd
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State Grid Corp of China SGCC
Hohai University HHU
Information and Telecommunication Branch of State Grid Jibei Electric Power Co Ltd
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Abstract

The invention relates to the technical field of power communication networks, in particular to a method for achieving an N-2 anti-accident measure type power communication network. A data center node is determined; the knowledge amount of the other nodes except the data center node in the current communication network is calculated; when the knowledge amount of the nodes is larger than a threshold value, the nodes are classified into a key node set. If the out-degree of key nodes in the key node set to the data center node is smaller than 2, the out-degree of the key nodes to the data center node is increased to be larger than or equal to 2. If equipment in the key nodes does not have backups, the equipment backups in the key nodes are increased. By means of the method, network nodes can still transmit data to the data center node when two breakdowns exist in the nodes in the circuit communication network.

Description

A kind of N-2 of realization is counter arranges the method for type power telecom network
Technical field
The present invention relates to power telecom network technical field, particularly, the present invention relates to a kind of anti-method of arranging type power telecom network of N-2 of realization.
Background technology
Power telecom network is the communication private network of serving electric power system, is in order to guarantee that the safe and stable operation of electric power system arises at the historic moment.As the support of electric power system, power telecom network requires to support protecting electrical power system and controls the needed high speed of application, real time communication.The fail safe of network is particularly important; so that need to study power telecom network instead arranges guarantee; wherein counter arranging ensures and to refer to anti-accident measures (anti-accident measure), is power department according to electric network composition, operational mode, relaying protection situation and considers the systematic failures causing due to personnel's fault and harsh weather and prevention methods and the emergency treatment way of formulating in advance.
Summary of the invention
Low in order to solve in prior art in powerline network network service safety of structure, the incomplete problem of real-time solution to catastrophic failure, has proposed a kind of anti-method of arranging type power telecom network of N-2 of realization, for solving above-mentioned the problems of the prior art.
The anti-type power communication network method of arranging of a kind of N-2 of realization that the embodiment of the present invention provides comprises,
Determining data center node;
Calculate the knowledge total amount of other node except described data center node in Current Communication Network network;
When being greater than threshold values, the knowledge total amount of described node puts this node under key node collection;
If the concentrated key node of described key node is less than 2 to the out-degree of described data center node, increase described key node to the out-degree of described data center node to being more than or equal to 2; And if not backup of the equipment in this key node, increase the device backup in this key node.
According to the anti-further aspect of arranging type power communication network method of a kind of N-2 of realization described in the embodiment of the present invention, described determining data center node is that the logic centre in powerline network is defined as to described data center node.
According to counter another the further aspect of arranging type power communication network method of a kind of N-2 of realization described in the embodiment of the present invention, described knowledge total amount at least comprises, the equipment performance that goes out the number of degrees, node that enters the number of degrees, node of node, the bandwidth of node are used
Figure BDA0000413627410000025
represent.
According to counter another the further aspect of arranging type power communication network method of a kind of N-2 of realization described in the embodiment of the present invention, the knowledge total amount of described computing node comprises:
If arbitrary node knowledge total amount Z is (v n), have:
Z ( v n ) = Σ i = 1 ln f ( z v n i )
Wherein:
Figure BDA0000413627410000023
represent node v nin the contribution amount of i influencing factor to knowledge total amount, according to the anti-grade of type powerline network of arranging of the current N-2 of realization to this v nnode
Figure BDA0000413627410000024
value is dynamically adjusted.
According to counter another the further aspect of arranging type power communication network method of a kind of N-2 of realization described in the embodiment of the present invention, this node is put under to key node and concentrate and further comprise being greater than threshold values when the knowledge total amount of described node, according to threshold values described in the anti-level setting of arranging type powerline network of the current N-2 of realization.
By the method for the invention described above embodiment, in the time of can guaranteeing to occur two faults in the node of circuit communication network, still can guarantee that this network node can transmit data to data center's node.
Accompanying drawing explanation
Read in conjunction with the following drawings the detailed description to embodiment, above-mentioned feature and advantage of the present invention, and extra feature and advantage, will be more readily apparent from.
Figure 1 shows that the anti-method flow diagram of arranging type power telecom network of a kind of N-2 of realization of the embodiment of the present invention;
Figure 2 shows that the flow chart of a specific embodiments of the embodiment of the present invention.
Embodiment
Description below can make any those skilled in the art utilize the present invention.The descriptor providing in specific embodiment and application is only example.The various extensions of embodiment as described herein and combination are apparent for those skilled in the art, and in the situation that not departing from the spirit and scope of the invention, the rule of the present invention's definition can be applied in other embodiment and application.Therefore, the embodiment shown in the present invention is not only limited to, the maximum magnitude consistent with principle shown in this paper and feature contained in the present invention.
After in power telecom network, the concept of N-2 represents to have in network any two nodes or cable segment and lost efficacy, communication network integral body still can continue operation, how to realize the communication network with the anti-ability of arranging of N-2, core is that some key nodes in whole network are realized to multi-ensuring, therefore, how the key node in Network Search is to realize the anti-decisive factor of arranging network of N-2.
Be illustrated in figure 1 the anti-method flow diagram of arranging type power telecom network of a kind of N-2 of realization of the embodiment of the present invention.
Comprise step 101, determining data center node.
Step 102, the knowledge total amount of other node in calculating Current Communication Network network except described data center node.
Step 103, puts this node under key node collection when the knowledge total amount of described node is greater than threshold values.
Step 104, if the concentrated key node of described key node is less than 2 to the out-degree of described data center node, increases described key node to the out-degree of described data center node to being more than or equal to 2; And if not backup of the equipment in this key node, increase the device backup in this key node.
As an embodiment in the present invention, described determining data center node is that the logic centre in powerline network is defined as to described data center node, the method of this determining data center is because of ground, because need are determined, this data center in the powerline network limiting in center, all nodes in the powerline network of this restriction send data according to needs Xiang Gai data center node, for example, for the powerline network in Hebei province, the data center of this powerline network is the data center of Shijiazhuang City, for the powerline network of Shijiazhuang City, perhaps data center is exactly the data center of Utilities Electric Co..
As an embodiment in the present invention, described knowledge total amount comprises, the equipment performance that goes out the number of degrees, node that enters the number of degrees, node of node, the bandwidth of node etc. are used
Figure BDA0000413627410000035
represent.
The knowledge total amount of described computing node comprises:
If arbitrary node knowledge total amount Z is (v n), have:
Z ( v n ) = Σ i = 1 ln f ( z v n i )
Wherein:
Figure BDA0000413627410000033
represent node v nin the contribution amount of i influencing factor to knowledge total amount, according to the anti-grade of type powerline network of arranging of the current N-2 of realization to this v nnode
Figure BDA0000413627410000034
value is dynamically adjusted, for example the in-degree of certain node is 1, out-degree is 2, the bandwidth of node is 0.5, suppose that this node power equipment bearing capacity is 21Kv, for the level powerline network of villages and small towns, the equipment performance of this node is 1, and for provincial powerline network, the performance of this equipment is 0.1.
As an embodiment in the present invention, in described step 103, according to threshold values described in the anti-level setting of arranging type powerline network of the current N-2 of realization, for example, for city-level powerline network, its corresponding threshold values is 10, and for provincial powerline network, its corresponding threshold values is 15, for more high-grade powerline network, it can ignore the node of some lower knowledge total amounts as its key node.
Be illustrated in figure 2 the flow chart of a specific embodiments of the embodiment of the present invention, step 201, determine the anti-data center's node of arranging in type powerline network grade of the current N-2 of realization, different for its data center's node of different powerline networks, for example, data center's node in the powerline network of city's one-level may be A, the data center's node that rises the powerline network of one-level may be B, the feature of this data center's node is that all node Jun Yugai data center nodes are connected in current powerline network, all can send data by Xiang Gai data center node.
Step 202, calculates the knowledge total amount of all residue nodes, establishes arbitrary node knowledge total amount Z (v n), have:
Z ( v n ) = Σ i = 1 ln f ( z v n i )
Wherein:
Figure BDA0000413627410000045
represent node v nin the contribution amount of i influencing factor to knowledge total amount.Such as, if setting the integrated value of the influencing factor of each node, we are made as k, and all influencing factors of this node are such as for the equipment performance that goes out the number of degrees, node that enters the number of degrees, node of node, the bandwidth of node etc., and these influencing factors are expressed as
Figure BDA0000413627410000042
have: ln f ( z v n 1 ) + ln f ( z v n 2 ) + . . . + ln f ( z v n i ) = k . In each node
Figure BDA0000413627410000044
determining of value, can dynamically adjust according to the actual conditions of each node, for example the in-degree of certain node is 1, out-degree is 2, the bandwidth of node is 0.5, suppose that this node power equipment bearing capacity is 21Kv, for the level powerline network of villages and small towns, the equipment performance of this node is 1, and for provincial powerline network, the performance of this equipment is 0.1.
Step 203, compares the knowledge total amount of certain node with threshold values, if be greater than described threshold values, enter step 204, otherwise return to step 203, continues relatively next node.
Described threshold values can be according to the anti-level setting of arranging type powerline network of the current N-2 of realization, for example, for city-level powerline network, its corresponding threshold values is 10, node in current power communication network, the knowledge total amount of node surpasses 10 node and can be put under described key node and concentrate; For provincial powerline network, its corresponding threshold values is 15, node in current power communication network, the knowledge total amount of node surpasses 15 node and can be put under described key node and concentrate, for more high-grade powerline network, it can ignore the node of some lower knowledge total amounts as its key node.
Step 204, puts this node under key node collection.
Step 205, judges that whether the concentrated some key nodes of described key node are less than 2 to the out-degree of described data center node, if YES, enter step 206, otherwise enter step 207.
Step 206, increases described key node to the out-degree of described data center node, makes it to be more than or equal to 2.
Step 207, judges whether the equipment in this key node has backup, if not backup enters step 208, otherwise enter step 205 pair next key node, processes.
Step 208, increases the backup of equipment in described key node, makes the equipment in this key node have the backup that is more than or equal to 1.
By the step of above-described embodiment, in the time of can guaranteeing to occur two faults in the node of circuit communication network, still can guarantee that this network node can transmit data to data center's node.
The present invention can realize with any suitable form, comprises hardware, software, firmware or their combination in any.According to circumstances selectively part realization of the present invention, such as software performing is in one or more data processors and digital signal processor.The element of each embodiment herein and assembly can be physically, in function, realize in any suitable manner in logic.In fact, function can be in separate unit, in one group of unit or is realized as the parts of other functional units.Therefore, this system and method both can be realized in separate unit, also can physically and in function, be distributed between different unit and processor.
Technical staff in association area will recognize that, embodiments of the invention have many possible modifications and combination, although form is slightly different, still adopts identical fundamental mechanism and method.For the object of explaining, aforementioned description is with reference to several specific embodiment.Yet above-mentioned illustrative discussion is not intended to precise forms exhaustive or that restriction is invented herein.Above, many modifications and variations are possible.Selected and described embodiment, in order to explain principle of the present invention and practical application thereof, uses so that those skilled in the art can utilize the modification for application-specific, the distortion of the present invention and each embodiment best.

Claims (5)

1. realize the anti-method of arranging type power telecom network of N-2, it is characterized in that comprising,
Determining data center node;
Calculate the knowledge total amount of other node except described data center node in Current Communication Network network;
When being greater than threshold values, the knowledge total amount of described node puts this node under key node collection;
If the concentrated key node of described key node is less than 2 to the out-degree of described data center node, increase described key node to the out-degree of described data center node to being more than or equal to 2; And if not backup of the equipment in this key node, increase the device backup in this key node.
2. the anti-method of arranging type power telecom network of a kind of N-2 of realization according to claim 1, is characterized in that, described determining data center node is that the logic centre in powerline network is defined as to described data center node.
3. the anti-method of arranging type power telecom network of a kind of N-2 of realization according to claim 1, is characterized in that, described knowledge total amount at least comprises, the equipment performance that goes out the number of degrees, node that enters the number of degrees, node of node, the bandwidth of node are used
Figure FDA0000413627400000011
Figure FDA0000413627400000016
represent.
4. the anti-method of arranging type power telecom network of a kind of N-2 of realization according to claim 3, is characterized in that, the knowledge total amount of described computing node comprises:
If arbitrary node knowledge total amount Z is (v n), have:
Z ( v n ) = Σ i = 1 ln f ( z v n i )
Wherein: represent node v nin the contribution amount of i influencing factor to knowledge total amount, according to the anti-grade of type powerline network of arranging of the current N-2 of realization to this v nnode
Figure FDA0000413627400000015
value is dynamically adjusted.
5. the anti-method of arranging type power telecom network of a kind of N-2 of realization according to claim 1, it is characterized in that, this node is put under to key node and concentrate and further comprise being greater than threshold values when the knowledge total amount of described node, according to threshold values described in the anti-level setting of arranging type powerline network of the current N-2 of realization.
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104320229A (en) * 2014-10-14 2015-01-28 国家电网公司 Communication network building method and device
CN108234598A (en) * 2017-12-06 2018-06-29 国网江西省电力有限公司赣西供电分公司 A kind of network communication applied to power industry controls management method
CN108243242A (en) * 2017-12-06 2018-07-03 国网江西省电力有限公司赣西供电分公司 Electric power communication network network control method, computer readable storage medium and equipment
CN109002901A (en) * 2018-06-08 2018-12-14 国家电网有限公司 A kind of province ground county's integration electric network information total management system and device

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
刘军: "对广西电网"N -2 "方式下相关问题的探讨", 《广西电力》 *
张佩等: "基于ASP.NET和SQL的输变电设备反措动态管理信息***设计", 《电力科学与工程》 *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104320229A (en) * 2014-10-14 2015-01-28 国家电网公司 Communication network building method and device
CN104320229B (en) * 2014-10-14 2017-12-01 国家电网公司 The method and device that communication network is established
CN108234598A (en) * 2017-12-06 2018-06-29 国网江西省电力有限公司赣西供电分公司 A kind of network communication applied to power industry controls management method
CN108243242A (en) * 2017-12-06 2018-07-03 国网江西省电力有限公司赣西供电分公司 Electric power communication network network control method, computer readable storage medium and equipment
CN109002901A (en) * 2018-06-08 2018-12-14 国家电网有限公司 A kind of province ground county's integration electric network information total management system and device

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