CN112615741A - Equipment matching method for power communication optical transmission network node - Google Patents
Equipment matching method for power communication optical transmission network node Download PDFInfo
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Abstract
The invention provides a device matching method of a power communication optical transmission network node, which comprises the following steps: s1, obtaining information of the outgoing optical cables and optical cable span lengths of all nodes in the existing electric power communication network, machine room environment and transmission services, wherein the obtained information only relates to the number of services with the statistical bandwidth of 100M or more; s2, calculating the installation adaptation degree based on all the nodes except the dispatching center and the standby dispatching; s3, corresponding to proper node properties according to the installation adaptation value; and S4, actively matching optical transmission network equipment of domestic mainstream suppliers according to the node properties. The invention effectively improves the matching degree of the optical transmission network equipment configuration of each node and the configuration required by actual operation, ensures the stable operation of the optical transmission network, and simultaneously avoids the waste caused by excessive redundancy.
Description
Technical Field
The invention belongs to the technical field of power communication optical transmission networks, and particularly relates to a device matching method for a power communication optical transmission network node.
Background
The electric power communication network is like the nervous system of the power grid, the healthy and stable operation of the electric power communication network plays an extremely important role in the robustness of the power grid. With the development of services, the services between provincial and local companies mainly comprise large-grained services such as 2.5Gb/s and 10 GE; at present, due to the problems of network structure and capacity, the transmission requirements of large-granule services of the optical transmission network of the power system are mainly based on the optical transmission network, and the types of services carried by the optical transmission network are increasingly abundant, so that higher requirements are provided for the safety and the coverage range of the optical transmission network, and the communication sites of the optical transmission network are increased year by year.
The method that the optical transmission network equipment of each node in the existing electric power communication network is configured only by operation and maintenance and designers according to experience easily causes the situation that the detailed configuration of the optical transmission network equipment is not consistent with the actual situation; in addition, the coordination degree of allocation and matching of various nodes in the existing optical transmission network is not enough, which results in transitional redundancy of configuration capacity and board card number of the communication stations of the optical transmission network which have been put into operation on one hand, and also results in insufficient configuration capacity and board card number of the communication stations of the optical transmission network which have been put into operation on the other hand. Therefore, how to construct an optical transmission network device that is matched with what grade of a specific node in a power communication network is important.
Disclosure of Invention
Based on the problems in the prior art, the invention provides a device matching method for a power communication optical transmission network node, which belongs to a matching method for novel node optical transmission network devices, and the actual position of each node in a power communication network is considered to obtain the level of optical transmission network devices to be matched with the node, so that the condition that the configuration of the optical transmission network devices is not consistent with the actual operation condition can be effectively avoided, the investment is effectively protected, and the stable operation of the optical transmission network is ensured.
According to the technical scheme of the invention, the invention provides a device matching method for a network node of an electric power communication optical transmission network, which comprises the following steps:
s1, acquiring the lengths of the outgoing optical cables and the optical cable spans of all nodes in the existing electric power communication network, the machine room environment and the information of transmission services (counting the number of services with the bandwidth of 100M or more);
s2, calculating the installation suitability based on all nodes (except the dispatching center and the standby dispatching center);
s3, corresponding to proper node properties according to the installation adaptation value;
and S4, actively matching optical transmission network equipment of domestic mainstream suppliers according to the node properties.
In step S1, the information of the outgoing optical cables and optical cable span lengths of all nodes in the electrical communication network, the information of the machine room environment and the transmission service are counted according to the topology map of the electrical communication optical cables, the plan map of the machine room, the information of the service pattern map and the information obtained by site survey.
In the power communication network, except a dispatching center and a standby dispatching which must be brought into a core ring, counting all other communication nodes, wherein the total number is N, and the ith node is represented as Vi (i is more than or equal to 1 and less than or equal to N); the number of the 1000kV optical cables at the node Vi outlet is f1(f1 is more than or equal to 0), and the length of each span optical cable in all the 1000kV optical cables at the node Vi outlet is Uf1-m (m is more than or equal to 0 and less than or equal to f 1); the number of 500kV optical cables at the node Vi outlet is f5(f5 is more than or equal to 0), and the length of each span optical cable in all 500kV optical cables at the node Vi outlet is Uf5-m (m is more than or equal to 0 and less than or equal to f 5); the number of the 220kV optical cables at the node Vi outlet is f2(f2 is more than or equal to 0), and the length of each span optical cable in all the 220kV optical cables at the node Vi outlet is Uf22-m (m is more than or equal to 0 and less than or equal to f 22); the number of the optical cables at the node Vi outlet of 110kV and below is f11(f11 is more than or equal to 0), and the length of each span optical cable in all the optical cables at the node Vi outlet of 110kV and below is Uf11-m (m is more than or equal to 0 and less than or equal to f 11).
Preferably, the machine room environment value ω of the node Vi is counted according to the following formula: ω 1, which is excellent; ω is 0.85, good, ω is 0.55, general, ω is 0.2, poor;
the service importance value beta (the number of service pieces with the statistical bandwidth of 100M and above) required to be transmitted by the node Vi is counted according to the formula: beta 1 is 1, which means that the number of the business bars of 100M and above is more than or equal to 12; β is 0.8, which means that the number of traffic pieces of 8 < 100M and above is < 12; beta is 0.6, which means that the number of service bars with the length of 4 less than or equal to 100M and more than or equal to 8; β is 0.3, and represents a number of traffic pieces of 100M or more < 4.
Preferably, the installation fitness Pi of the node Vi is calculated:
the number f1 of the 1000kV optical cables at the outlet of the node Vi and the length Uf1-m of each span optical cable are equal, and the average span length is sigma Uf1-m/f 1; the number of the outlet 500kV optical cables is f5, the length of each span optical cable is Uf5-m, and the average span length is Sigma Uf5-m/f 5; the number of the outlet 220kV optical cables is f2, the length of a certain span optical cable is Uf2-m, and the average span length is Sigma Uf2-m/f 2; the number of the outlet 110kV optical cables is f11, the length of each span optical cable is Uf11-m, and the average span length is Sigma Uf11-m/f 11; the node Vi is located in a machine room environment value omega and the node Vi needs to transmit a service quantity importance value beta.
More preferably, the installation fitness Pi of the node Vi is calculated according to the formula: pi { (Pi/80) [ (1/f1) Σ Uf1-m + (1/f5) Σ Uf5-m + (1/f2) Σ Uf2-m + (1/f11) Σ Uf11-m ] }ωω β;
wherein, pi: a circumferential ratio; f 1: the number of 1000kV optical cables at the outlet of the node Vi is more than or equal to 0, and f1 is more than or equal to 0; uf 1-m: m is more than or equal to 0 and less than or equal to f1 for the length of each span optical cable in all 1000kV optical cables at the node Vi outlet; f 5: the number of 500kV optical cables at the outlet of the node Vi is increased; uf 5-m: m is more than or equal to 0 and less than or equal to f5 for the length of each span optical cable in all 500kV optical cables at the outlet of the node Vi; f 2: the number of 220kV optical cables at the outlet of the node Vi is more than or equal to 0, and f2 is more than or equal to 0; uf 22-m: m is more than or equal to 0 and less than or equal to f22 for the length of each span optical cable in all 220kV optical cables at the outlet of the node Vi; f 11: the number of optical cables at the outlet of the node Vi is 110kV or less, and f11 is more than or equal to 0; uf 11-m: the length of each span optical cable in all 110kV optical cables and below optical cables at the node Vi outlet is more than or equal to 0 and less than or equal to f 11; ω: a machine room environment value; beta: a service importance value;
and calculating the installation suitability Pi of each node Vi, and sequencing according to the sequence of Pi values from large to small.
Further, in the equipment matching method of the power communication optical transmission network node, the node properties are divided into a core layer node, a convergence layer node and an access layer node; the number of the core layer nodes is taken according to the following formula: xg is less than or equal to N x 10%, the number Hg of the nodes of the convergence layer is less than or equal to N x 30%, and the number Jg of the nodes of the access layer is less than or equal to N x 40%.
Preferably, the design stages are calculated according to the maximum values, that is, the number Xg of core layer nodes is 10% by x N, the number Hg of aggregation layer nodes is 30% by x N, and the number Jg of access nodes is 40% by x N.
Compared with the general technology, the equipment matching method of the power communication optical transmission network node fully considers the specific position of a specific node in the power communication network, the machine room environment and the service information to be transmitted, calculates the installation adaptation degree, selects the core layer, the convergence layer and the access layer node according to the principle that the higher the installation adaptation degree is, the better the adaptation degree is, and adapts to the optical transmission network equipment with corresponding grade, effectively improves the matching degree of the configuration of the optical transmission network equipment of each node and the configuration required by actual operation, ensures the stable operation of the optical transmission network, and avoids the waste caused by excessive redundancy.
Drawings
Fig. 1 is an overall flowchart of a device matching method for a network node of an optical transmission network for power communication according to the present invention.
Fig. 2 is a diagram of a typical application scenario of the device matching method for the network node of the power communication optical transmission network according to the present invention.
Detailed Description
Exemplary embodiments will be described in detail below with reference to the accompanying drawings. It is to be noted that the following description is only illustrative and does not limit the scope of the invention and its applications. Fig. 1 shows an overall flow chart of the method of the present invention, which is further described below with reference to specific examples.
The invention discloses a device matching method of a network node of a power communication optical transmission network, which comprises the following steps:
and S1, acquiring the lengths of the outgoing optical cables and the optical cable spans of all nodes in the existing power communication network, the machine room environment and the information of transmission services (counting the number of services with the bandwidth of 100M or more).
According to the existing data such as the topological graph of the electric power communication optical cable, the plan graph of the machine room, the service mode graph and the like and the data obtained by site survey, the information of the span lengths of the outgoing optical cables and the optical cables of all nodes in the electric power communication network, the environment of the machine room and the transmission service (the number of the services with the statistical bandwidth of 100M or more) is counted.
According to the existing data, in the power communication network, except for a dispatching center and a standby dispatching which must be brought into a core ring, all other communication nodes are counted, the total number is N, and the ith node is represented as Vi (i is more than or equal to 1 and less than or equal to N); the number of the 1000kV optical cables at the node Vi outlet is f1(f1 is more than or equal to 0), and the length of each span optical cable in all the 1000kV optical cables at the node Vi outlet is Uf1-m (m is more than or equal to 0 and less than or equal to f 1); the number of 500kV optical cables at the node Vi outlet is f5(f5 is more than or equal to 0), and the length of each span optical cable in all 500kV optical cables at the node Vi outlet is Uf5-m (m is more than or equal to 0 and less than or equal to f 5); the number of the 220kV optical cables at the node Vi outlet is f2(f2 is more than or equal to 0), and the length of each span optical cable in all the 220kV optical cables at the node Vi outlet is Uf22-m (m is more than or equal to 0 and less than or equal to f 22); the number of the optical cables at the node Vi outlet of 110kV and below is f11(f11 is more than or equal to 0), and the length of each span optical cable in all the optical cables at the node Vi outlet of 110kV and below is Uf11-m (m is more than or equal to 0 and less than or equal to f 11).
The environment value omega of the machine room where the node Vi is located is counted according to the following formula: ω 1, which is excellent; ω is 0.85, good, ω is 0.55, general, and ω is 0.2, bad.
The service importance value beta (the number of service pieces with the statistical bandwidth of 100M and above) required to be transmitted by the node Vi is counted according to the formula: beta 1 is 1, which means that the number of the business bars of 100M and above is more than or equal to 12; β is 0.8, which means that the number of traffic pieces of 8 < 100M and above is < 12; beta is 0.6, which means that the number of service bars with the length of 4 less than or equal to 100M and more than or equal to 8; β is 0.3, and represents a number of traffic pieces of 100M or more < 4.
S2, calculating the installation adaptation degree based on all nodes (except the core nodes such as a dispatching center, a standby dispatching center and the like);
calculating the installation suitability Pi of the node Vi:
the number f1 of the 1000kV optical cables at the outlet of the node Vi and the length Uf1-m of each span optical cable are equal, and the average span length is sigma Uf1-m/f 1; the number of the outlet 500kV optical cables is f5, the length of each span optical cable is Uf5-m, and the average span length is Sigma Uf5-m/f 5; the number of the outlet 220kV optical cables is f2, the length of a certain span optical cable is Uf2-m, and the average span length is Sigma Uf2-m/f 2; the number of the outlet 110kV optical cables is f11, the length of each span optical cable is Uf11-m, and the average span length is Sigma Uf11-m/f 11; the node Vi is located in a machine room environment value omega and the node Vi needs to transmit a service quantity importance value beta.
The installation suitability Pi of the node Vi is calculated according to the formula: pi { (Pi/80) [ (1/f1) Σ Uf1-m + (1/f5) Σ Uf5-m + (1/f2) Σ Uf2-m + (1/f11) Σ Uf11-m ] }ωω β.
Wherein, pi: a circumferential ratio; f 1: the number of 1000kV optical cables at the outlet of the node Vi is more than or equal to 0, and f1 is more than or equal to 0; uf 1-m: m is more than or equal to 0 and less than or equal to f1 for the length of each span optical cable in all 1000kV optical cables at the node Vi outlet; f 5: the number of 500kV optical cables at the outlet of the node Vi is increased; uf 5-m: m is more than or equal to 0 and less than or equal to f5 for the length of each span optical cable in all 500kV optical cables at the outlet of the node Vi; f 2: the number of 220kV optical cables at the outlet of the node Vi is more than or equal to 0, and f2 is more than or equal to 0; uf 22-m: m is more than or equal to 0 and less than or equal to f22 for the length of each span optical cable in all 220kV optical cables at the outlet of the node Vi; f 11: the number of optical cables at the outlet of the node Vi is 110kV or less, and f11 is more than or equal to 0; uf 11-m: the length of each span optical cable in all 110kV optical cables and below optical cables at the node Vi outlet is more than or equal to 0 and less than or equal to f 11; ω: a machine room environment value; beta: a traffic importance value.
And calculating the installation suitability Pi of each node Vi, and sequencing according to the sequence of Pi values from large to small.
S3, corresponding to proper node properties according to the installation adaptation value;
the properties of the nodes are as follows: core layer nodes, convergence layer nodes and access layer nodes.
In the existing power communication network, the number of core layer nodes is valued according to the following formula: xg is less than or equal to N x 10%, the number Hg of the nodes of the convergence layer is less than or equal to N x 30%, and the number Jg of the nodes of the access layer is less than or equal to N x 40%. The design stages are all calculated according to the maximum value, namely: the number Xg of core layer nodes is 10% by x, the number Hg of aggregation layer nodes is 30% by x, and the number Jg of access nodes is 40% by x. All nodes are shown in the following table:
| properties of nodes | Sorting according to the sequence of Pi values from large to small in S2 |
| Core layer node | Top N10% nodes |
| Convergence layer node | Nodes ranked between N10% -N40% |
| Access stratum node | All nodes ranked between N40% -N80% |
And S4, actively matching OTN network equipment of domestic mainstream suppliers according to the node properties.
According to the optical transmission network equipment parameters of the domestic mainstream optical transmission network equipment provider, the current core, aggregation and access nodes are specifically configured as follows:
and actively matching optical transmission network equipment of domestic mainstream suppliers according to the node properties in the S3.
Referring to the optical transmission network equipment parameters of the domestic mainstream optical transmission network equipment suppliers, the specific configuration matching table is as follows:
a more specific example application scenario is a typical application scenario, as shown in fig. 2: the power communication network in the figure comprises N nodes; and collecting information of each node, wherein the information mainly comprises information of an outgoing optical cable and an optical cable span section, a machine room environment and transmission services corresponding to the single node.
Furthermore, the optical transmission network equipment matching method based on a specific node in the power communication network provided by the invention comprises the following steps:
s1, obtaining the outgoing optical cables and optical cable spans of all nodes in the existing electric power communication network, machine room environment and transmission
The number of services (the number of services with the statistical bandwidth of 100M and above).
In the existing power communication network, except for a dispatching center and a standby dispatching which must be brought into a core ring, the total number of other communication nodes is N, and the ith node is represented as Vi (i is more than or equal to 1 and less than or equal to N); the number of the 1000kV optical cables at the node Vi outlet is f1(f1 is more than or equal to 0), and the length of each span optical cable in all the 1000kV optical cables at the node Vi outlet is Uf1-m (m is more than or equal to 0 and less than or equal to f 1); the number of 500kV optical cables at the node Vi outlet is f5(f5 is more than or equal to 0), and the length of each span optical cable in all 500kV optical cables at the node Vi outlet is Uf5-m (m is more than or equal to 0 and less than or equal to f 5); the number of the 220kV optical cables at the node Vi outlet is f2(f2 is more than or equal to 0), and the length of each span optical cable in all the 220kV optical cables at the node Vi outlet is Uf22-m (m is more than or equal to 0 and less than or equal to f 22); the number of the optical cables at the node Vi outlet of 110kV and below is f11(f11 is more than or equal to 0), and the length of each span optical cable in all the optical cables at the node Vi outlet of 110kV and below is Uf11-m (m is more than or equal to 0 and less than or equal to f 11).
The machine room environment value ω, ω being 1, where the node Vi is located is excellent; ω is 0.85, good, ω is 0.55, general, and ω is 0.2, bad.
The node Vi has a service quantity importance value β (the statistical bandwidth is 100M or more of the number of the services), where β 1 is 1, and indicates that the number of the services of 100M or more is greater than or equal to 12; β is 0.8, which means that the number of traffic pieces of 8 < 100M and above is < 12; beta is 0.6, which means that the number of service bars with the length of 4 less than or equal to 100M and more than or equal to 8; β is 0.3, and represents a number of traffic pieces of 100M or more < 4.
In the example of the power communication network, 1 dispatching center and 1 standby dispatching are included, the total number of all other nodes is 50, and the ith node is represented as Vi (i is more than or equal to 1 and less than or equal to 50); the number f1 of outlet 1000kV optical cables of the node Vi, the length Uf1-m of each span optical cable, the number f5 of outlet 500kV optical cables, the length Uf5-m of each span optical cable, the number f2 of outlet 220kV optical cables, the length Uf2-m of a certain span optical cable, the number f11 of outlet 110kV optical cables and the length Uf11-m of each span optical cable are shown in Table 1. The machine room environment value ω where the node Vi is located and the importance value β of the number of services that the node Vi needs to transmit are shown in table 2.
Table 1 node Vi existing outlet cable situation
TABLE 1
Table 2 shows the environment value ω of the machine room where the node Vi is located and the importance value β of the number of services that the node Vi needs to transmit
TABLE 2
| ω | 0.85 |
| β | 0.8 |
S2, calculating the installation suitability degree based on all nodes (except the dispatching center and the standby dispatching center)
Setting Vi (i is more than or equal to 1 and less than or equal to 50); the number f1 of the 1000kV optical cables at the outlet of the node Vi and the length Uf1-m of each span optical cable are equal, and the average span length is sigma Uf1-m/f 1; the number of the outlet 500kV optical cables is f5, the length of each span optical cable is Uf5-m, and the average span length is Sigma Uf5-m/f 5; the number of the outlet 220kV optical cables is f2, the length of a certain span optical cable is Uf2-m, and the average span length is Sigma Uf2-m/f 2; the number of the outlet 110kV optical cables is f11, the length of each span optical cable is Uf11-m, and the average span length is Sigma Uf11-m/f 11; the node Vi is located in a machine room environment value omega and the node Vi needs to transmit a service quantity importance value beta. The installation suitability Pi of the node Vi is calculated and sorted according to the sequence of Pi values from large to small by the mounting suitability Pi of the node Vi being sin { (Pi/80) [ (1/f1) ∑ Uf1-m + (1/f5) ∑ Uf5-m + (1/f2) ∑ Uf2-m + (1/f11) ∑ Uf11-m ] } ω β.
Table 3 degree of matching P for each node.
TABLE 3
S3, corresponding to proper node properties according to the installation adaptation value;
the number Xg of core nodes is less than or equal to N x 10%, the number Hg of sink nodes is less than or equal to N x 30%, and the number Jg of access nodes is less than or equal to N x 40%. If N is 50, the number Xg of core nodes is less than or equal to 5, the number Hg of sink nodes is less than or equal to 15, and the number Jg of access nodes is less than or equal to 20; according to the principle that the higher the Pi value is, the better the Pi value is, the core node selects the top 5 sites, the sink node selects the 6 th-20 th ranked sites, and the access node selects the 21 st-40 th ranked sites.
TABLE 4
And determining corresponding configurations of the core, the aggregation and the access node by referring to the main optical transmission network equipment model of the main optical transmission network equipment supplier.
Table 5A factory major optical transmission network equipment model parameter table
TABLE 5-1A plant Main optical transport network Equipment electronics Box
TABLE 5-1
Table 5-2A major optical transmission network equipment photonic frame
Table 6B major optical transmission network equipment model parameter table
Table 6-1B major optical transmission network equipment electronic frame
TABLE 6-1
Table 6-2B major optical transmission network equipment photonic frame
Table 7C factory major optical transmission network equipment model parameter table
Table 7-1C major optical transmission network equipment electronic frame
Table 7-2C major optical transmission network equipment photonic frame
S4, according to the node property, actively matching the optical transmission network equipment of the domestic mainstream supplier
According to the optical transmission network equipment parameters of the domestic mainstream optical transmission network equipment provider, the current core, aggregation and access nodes are specifically configured as follows:
core layer optical transmission network device:
(1) the electronic box is matched with AD2 of A factory, BD2 of B factory and CD6 of C factory.
(2) The optical frame is matched with AG3 of A factory, BG1 of B factory and CG2 of C factory
Access layer/convergence layer optical transmission network equipment:
(1) the electronic box is matched with AD1 or AD2 of A factory, BD2 of B factory, CD3 or CD4 or CD5 of C factory.
(2) The optical frame is matched with AG2 of A factory, BG1 of B factory and CG2 of C factory
Actively matching optical transmission network equipment of domestic mainstream suppliers according to the node properties;
table 8 optical transmission network equipment of each supplier corresponding grade actively matched
TABLE 8
While the invention has been described with reference to specific preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. A device matching method for network nodes of an electric power communication optical transmission network is characterized in that: the equipment matching method comprises the following steps:
s1, obtaining information of the outgoing optical cables and optical cable span lengths of all nodes in the existing electric power communication network, machine room environment and transmission services, wherein the obtained information only relates to the number of services with the statistical bandwidth of 100M or more;
s2, calculating the installation adaptation degree based on all the nodes except the dispatching center and the standby dispatching;
s3, corresponding to proper node properties according to the installation adaptation value;
and S4, actively matching optical transmission network equipment of domestic mainstream suppliers according to the node properties.
2. The device matching method for the network node of the power communication optical transmission network according to claim 1, wherein: in step S1, according to the topology map of the power communication optical cable, the plan map of the machine room, the data of the service pattern and the data obtained by site survey, the lengths of the outgoing optical cables and the optical cable spans of all nodes in the power communication network, the environment of the machine room and the information of the transmission service are counted.
3. The device matching method for the network node of the power communication optical transmission network according to claim 2, wherein: in the power communication network, except a dispatching center and a standby dispatching which must be brought into a core ring, counting all other communication nodes, wherein the total number is N, and the ith node is represented as Vi (i is more than or equal to 1 and less than or equal to N); the number of the 1000kV optical cables at the node Vi outlet is f1(f1 is more than or equal to 0), and the length of each span optical cable in all the 1000kV optical cables at the node Vi outlet is Uf1-m (m is more than or equal to 0 and less than or equal to f 1); the number of 500kV optical cables at the node Vi outlet is f5(f5 is more than or equal to 0), and the length of each span optical cable in all 500kV optical cables at the node Vi outlet is Uf5-m (m is more than or equal to 0 and less than or equal to f 5); the number of the 220kV optical cables at the node Vi outlet is f2(f2 is more than or equal to 0), and the length of each span optical cable in all the 220kV optical cables at the node Vi outlet is Uf22-m (m is more than or equal to 0 and less than or equal to f 22); the number of the optical cables at the node Vi outlet of 110kV and below is f11(f11 is more than or equal to 0), and the length of each span optical cable in all the optical cables at the node Vi outlet of 110kV and below is Uf11-m (m is more than or equal to 0 and less than or equal to f 11).
4. The device matching method for the network node of the power communication optical transmission network according to claim 3, wherein:
the environment value omega of the machine room where the node Vi is located is counted according to the following formula: ω 1, which is excellent; ω is 0.85, good, ω is 0.55, general, ω is 0.2, poor;
the service importance value beta (the number of service pieces with the statistical bandwidth of 100M and above) required to be transmitted by the node Vi is counted according to the formula: beta 1 is 1, which means that the number of the business bars of 100M and above is more than or equal to 12; β is 0.8, which means that the number of traffic pieces of 8 < 100M and above is < 12; beta is 0.6, which means that the number of service bars with the length of 4 less than or equal to 100M and more than or equal to 8; β is 0.3, and represents a number of traffic pieces of 100M or more < 4.
5. The device matching method for the network node of the power communication optical transmission network according to claim 4, wherein: calculating the installation suitability Pi of the node Vi:
the number f1 of the 1000kV optical cables at the outlet of the node Vi and the length Uf1-m of each span optical cable are equal, and the average span length is sigma Uf1-m/f 1; the number of the outlet 500kV optical cables is f5, the length of each span optical cable is Uf5-m, and the average span length is Sigma Uf5-m/f 5; the number of the outlet 220kV optical cables is f2, the length of a certain span optical cable is Uf2-m, and the average span length is Sigma Uf2-m/f 2; the number of the outlet 110kV optical cables is f11, the length of each span optical cable is Uf11-m, and the average span length is Sigma Uf11-m/f 11; the node Vi is located in a machine room environment value omega and the node Vi needs to transmit a service quantity importance value beta.
6. The device matching method for the network node of the power communication optical transmission network according to claim 4, wherein: the installation suitability Pi of the node Vi is calculated according to the formula: pi { (Pi/80) [ (1/f1) Σ Uf1-m + (1/f5) Σ Uf5-m + (1/f2) Σ Uf2-m + (1/f11) Σ Uf11-m ] }ωω β;
wherein, pi: a circumferential ratio; f 1: the number of 1000kV optical cables at the outlet of the node Vi is more than or equal to 0, and f1 is more than or equal to 0; uf 1-m: m is more than or equal to 0 and less than or equal to f1 for the length of each span optical cable in all 1000kV optical cables at the node Vi outlet; f 5: the number of 500kV optical cables at the outlet of the node Vi is increased; uf 5-m: m is more than or equal to 0 and less than or equal to f5 for the length of each span optical cable in all 500kV optical cables at the outlet of the node Vi; f 2: the number of 220kV optical cables at the outlet of the node Vi is more than or equal to 0, and f2 is more than or equal to 0; uf 22-m: m is more than or equal to 0 and less than or equal to f22 for the length of each span optical cable in all 220kV optical cables at the outlet of the node Vi; f 11: the number of optical cables at the outlet of the node Vi is 110kV or less, and f11 is more than or equal to 0; uf 11-m: the length of each span optical cable in all 110kV optical cables and below optical cables at the node Vi outlet is more than or equal to 0 and less than or equal to f 11; ω: a machine room environment value; beta: a service importance value;
and calculating the installation suitability Pi of each node Vi, and sequencing according to the sequence of Pi values from large to small.
7. The device matching method for the network node of the power communication optical transmission network according to claim 6, wherein the node properties are divided into a core layer node, a convergence layer node, and an access layer node; the number of the core layer nodes is taken according to the following formula: xg is less than or equal to N x 10%, the number Hg of the nodes of the convergence layer is less than or equal to N x 30%, and the number Jg of the nodes of the access layer is less than or equal to N x 40%.
8. The device matching method for the network nodes of the power communication optical transmission network according to claim 7, wherein the design stage is calculated according to the maximum values, that is, the number Xg of the core layer nodes is 10%, the number Hg of the aggregation layer nodes is 30%, and the number Jg of the access nodes is 40%.
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