CN114039839B - Electric power communication fault repairing method and device - Google Patents
Electric power communication fault repairing method and device Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
- H04L41/0654—Management of faults, events, alarms or notifications using network fault recovery
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
- H04L41/0654—Management of faults, events, alarms or notifications using network fault recovery
- H04L41/0663—Performing the actions predefined by failover planning, e.g. switching to standby network elements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/14—Network analysis or design
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/14—Session management
- H04L67/141—Setup of application sessions
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/08—Protocols for interworking; Protocol conversion
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/16—Implementation or adaptation of Internet protocol [IP], of transmission control protocol [TCP] or of user datagram protocol [UDP]
- H04L69/163—In-band adaptation of TCP data exchange; In-band control procedures
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L2212/00—Encapsulation of packets
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Abstract
The invention discloses a method and a device for repairing electric power communication faults, which are applied to a safety communication control center, wherein the safety communication control center is in communication connection with a communication emergency repair center, and the method comprises the following steps: when the interruption of power communication is monitored, fault data of at least one load node are obtained; performing global optimization based on fault data, and determining communication recovery time corresponding to each load node respectively; sending each communication recovery time to a communication emergency repair center; the communication emergency repair center is used for generating a communication emergency repair scheme based on each communication recovery time, so that the corresponding communication emergency repair scheme of each load node is generated more efficiently based on the length of the communication recovery time, the repair efficiency is improved, and the sustainable use of power communication is ensured.
Description
Technical Field
The present invention relates to the field of communications security technologies, and in particular, to a method and an apparatus for repairing a power communication failure.
Background
The power communication network is generated to ensure the safe and stable operation of the power system. The system is commonly called as three main supports for safe and stable operation of the power system together with a relay protection and safe and stable control system and a dispatching automation system of the power system, is the basis of power grid dispatching automation, network operation marketing and management modernization, is an important means for ensuring safe, stable and economic operation of a power grid, is an important infrastructure of the power system, and has strict requirements on the reliability of communication.
The existing power communication network may be seriously affected by ground construction or weather due to the environmental influence, resulting in damage. At this time, in order to ensure the reliability of the power communication, the power communication network needs to be rescued through the power communication emergency repair, but the efficiency of the emergency repair is lower due to the lack of effective information safety protection measures in the prior art.
Disclosure of Invention
The invention provides a method and a device for repairing power communication faults, which solve the technical problem of low repair efficiency caused by the lack of effective information safety protection measures in the existing power communication network repair process.
The invention provides a power communication fault repairing method, which is applied to a safety communication control center, wherein the safety communication control center is in communication connection with a communication emergency repair center, and the method comprises the following steps:
when the interruption of power communication is monitored, fault data of at least one load node are obtained;
performing global optimization based on the fault data, and determining communication recovery time corresponding to each load node;
sending each communication recovery time to the communication emergency repair center; the communication emergency repair center is used for generating a communication emergency repair scheme based on each communication recovery time.
Optionally, before the step of acquiring fault data of at least one load node when the power communication interruption is monitored, the method further comprises:
establishing TCP connection with a preset network communication system;
receiving power communication state data returned by the network communication system in response to the transmitted protocol communication request;
and if the power communication state data is not received within a preset monitoring time period, judging that the power communication is interrupted.
Optionally, the network communication system is further configured to,
responding to the protocol communication request, searching a target protocol library in a preset dynamic protocol library by adopting a protocol library identifier carried by the protocol communication request, and loading the target protocol library in a preset communication channel;
when fault data collected by a plurality of preset sensors from the load node are received, carrying out protocol conversion on the fault data;
packaging the fault data after protocol conversion based on MEC protocol to obtain first-level packaging data;
and carrying out secondary packaging on the primary packaging data based on an SAA protocol and then sending the primary packaging data to the secure communication control center.
Optionally, the target protocol library includes protocol description, protocol library identification, device type and configuration parameter information.
Optionally, the fault data includes a load level and an active power average value corresponding to the load node, and the step of determining a communication recovery time corresponding to each load node based on global optimization performed by the fault data includes:
substituting each load grade and the active power average value into a preset global optimizing formula;
aiming at minimizing the communication recovery time corresponding to each load node, solving the global optimization formula by adopting a preset optimization path time matrix to obtain the communication recovery time corresponding to each load node;
the global optimizing formula is as follows:
wherein f is the communication recovery time, ω i For the load class, t i P is the communication recovery time corresponding to the ith load node i For the i-th active power average value corresponding to the load nodes, tpir is the end time, tir is the start time, N is the total number of the load nodes, and F (t) max Maximum value of system function;
the optimizing path time matrix is as follows:
R real (t)＝R*inc(t)；
wherein R is real And (t) is the optimizing path time matrix, inc (t) is a preset optimizing path increasing coefficient, and R is a preset positive integer.
The invention also provides an electric power communication fault repairing device which is applied to a safety communication control center, wherein the safety communication control center is in communication connection with a communication emergency repair center, and the device comprises:
the fault data acquisition module is used for acquiring fault data of at least one load node when the power communication interruption is monitored;
the recovery time determining module is used for carrying out global optimization based on the fault data and determining communication recovery time corresponding to each load node respectively;
the recovery time sending module is used for sending each communication recovery time to the communication emergency repair center; the communication emergency repair center is used for generating a communication emergency repair scheme based on each communication recovery time.
Optionally, the apparatus further comprises:
the connection establishment module is used for establishing TCP connection with a preset network communication system;
the power communication state data receiving module is used for receiving power communication state data returned by the network communication system in response to the transmitted protocol communication request;
and the power communication interruption judging module is used for judging that the power communication is interrupted if the power communication state data is not received within a preset monitoring time period.
Optionally, the network communication system is further configured to,
responding to the protocol communication request, searching a target protocol library in a preset dynamic protocol library by adopting a protocol library identifier carried by the protocol communication request, and loading the target protocol library in a preset communication channel;
when fault data collected by a plurality of preset sensors from the load node are received, carrying out protocol conversion on the fault data;
packaging the fault data after protocol conversion based on MEC protocol to obtain first-level packaging data;
and carrying out secondary packaging on the primary packaging data based on an SAA protocol and then sending the primary packaging data to the secure communication control center.
Optionally, the target protocol library includes protocol description, protocol library identification, device type and configuration parameter information.
Optionally, the fault data includes a load level and an active power average value corresponding to the load node, and the recovery time determining module is specifically configured to:
substituting each load grade and the active power average value into a preset global optimizing formula;
aiming at minimizing the communication recovery time corresponding to each load node, solving the global optimization formula by adopting a preset optimization path time matrix to obtain the communication recovery time corresponding to each load node;
the global optimizing formula is as follows:
wherein f is the communication recovery time, ω i Is said negativeLoad class, t i P is the communication recovery time corresponding to the ith load node i For the i-th active power average value corresponding to the load nodes, tpir is the end time, tir is the start time, N is the total number of the load nodes, and F (t) max Maximum value of system function;
the optimizing path time matrix is as follows:
R real (t)＝R*inc(t)；
wherein R is real And (t) is the optimizing path time matrix, inc (t) is a preset optimizing path increasing coefficient, and R is a preset positive integer.
From the above technical scheme, the invention has the following advantages:
the invention acquires the power communication state data of each load node in real time through the network communication system and forwards the power communication state data to the communication safety control center, when the power communication state data is not received in the monitoring time period, the power communication is judged to be interrupted, at the moment, the communication safety control center can acquire fault data from the sensors of each load node through the network communication system, carries out global optimization based on the fault data, and determines the communication recovery time corresponding to each load node; sending each communication recovery time to the communication emergency repair center; the communication emergency repair center is used for generating a communication emergency repair scheme based on each communication recovery time. The technical problem that the existing power communication network is low in rush-repair efficiency due to the fact that effective information safety protection measures are lacked in the rush-repair process is solved, the corresponding communication emergency rush-repair scheme of each load node is generated more efficiently based on the length of communication recovery time, the rush-repair efficiency is improved, and sustainable use of power communication is guaranteed.
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In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.
Fig. 1 is a step flowchart of a power communication fault repairing method according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of the final result output curve of the test comparison provided in the example of the present invention;
fig. 3 is a block diagram of a power communication fault repairing device according to an embodiment of the present invention.
Detailed Description
The embodiment of the invention provides a method and a device for repairing power communication faults, which are used for solving the technical problem that the rush repair efficiency is low due to the lack of effective information safety protection measures in the existing power communication network rush repair process.
In order to make the objects, features and advantages of the present invention more comprehensible, the technical solutions in the embodiments of the present invention are described in detail below with reference to the accompanying drawings, and it is apparent that the embodiments described below are only some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, fig. 1 is a flowchart illustrating steps of a power communication fault repairing method according to an embodiment of the present invention.
The invention provides a power communication fault repairing method, which is applied to a safety communication control center, wherein the safety communication control center is in communication connection with a communication emergency repair center, and the method comprises the following steps:
step 101, when power communication interruption is monitored, fault data of at least one load node are obtained;
in the embodiment of the invention, the safety communication control center monitors the power communication state of each load node through the data of the load node forwarded by the network communication system, and if the power communication interruption of the load node is monitored, the network communication system acquires the fault data of at least one load node to provide a data basis for the subsequent sequence of repairing the power communication faults of the load node.
It should be noted that, the network communication system in the embodiment of the present invention refers to a 5G network communication system.
Optionally, before step 101, the method further comprises the sub-steps of:
establishing TCP connection with a preset network communication system;
receiving power communication state data returned by the network communication system in response to the transmitted protocol communication request;
and if the power communication state data is not received within the preset monitoring time period, judging that the power communication is interrupted.
In one example of the present invention, a TCP connection may be established with a preset network communication system by configuring virtual IP addresses of a secure communication control center and the network communication system before the secure communication control center performs power communication status monitoring of a load node. After the TCP connection is established, the network communication system receives a protocol communication request sent by the safety communication control center based on a protocol stack of the connection, and wakes up a plurality of sensors connected with the network communication system to collect power communication state data of the load nodes.
And after the network communication system receives the power communication state data corresponding to each load node, forwarding the power communication state data to the safety communication control center through the 5G communication network in a preset monitoring time period. If the safety communication control center does not receive the power communication state data in the monitoring time period, judging that the power communication is interrupted at the moment.
It should be noted that, the protocol communication request may further include acquiring attribute and current status information of each load node, and waking up the network communication system and a plurality of sensors connected thereto for data communication.
TCP refers to transmission control protocol (TCP, transmission Control Protocol) which is a connection-oriented, reliable, byte stream based transport layer communication protocol, with TCP being intended to accommodate a layered protocol hierarchy supporting multiple network applications. Reliable communication services are provided by means of TCP between pairs of processes in a host computer connected to different but interconnected computer communication networks, capable of operating on top of various communication systems from hard-wired to packet-switched or circuit-switched networks.
In another example of the present invention, the network communication system is also used for,
responding to the protocol communication request, searching a target protocol library in a preset dynamic protocol library by adopting a protocol library identifier carried by the protocol communication request, and loading the target protocol library in a preset communication channel;
when fault data acquired by a plurality of preset sensors from a load node are received, carrying out protocol conversion on the fault data;
packaging the fault data after protocol conversion based on MEC protocol to obtain first-level packaging data;
and carrying out secondary packaging on the primary packaging data based on the SAA protocol, and then sending the primary packaging data to a secure communication control center.
In this embodiment, after receiving the protocol communication request, the network communication system may search the target protocol library in the dynamic protocol library based on the protocol library identifier carried by the network communication system, and load the target protocol library in a general communication channel or other types of communication channels built in the network communication system. It should be noted that, the dynamic protocol library stores a plurality of 5G communication protocols, such as 3GPP, LTE, CCSA, MEC and SAA, and each communication protocol has a corresponding protocol library identifier.
After loading the target protocol library in the communication channel, the unique identifiers of the sensors are allocated to the communication signals and the channel is initialized so as to realize the subsequent data interaction transmission. When judging that the load node has an electric quantity communication fault, receiving fault data acquired from the load node by a plurality of sensors through a network communication system, performing protocol conversion on the fault data firstly to realize subsequent high-speed data transmission, converting the fault data into standard format data transmitted on a protocol adaptation layer of a 5G communication network, and packaging the fault data after protocol conversion based on an MEC protocol to obtain first-level package data, performing second-level package on the first-level package data based on an SAA protocol to send the first-level package data to a safety communication control center to ensure the safety of data transmission.
Further, the target protocol library includes protocol description, protocol library identification, device type and configuration parameter information.
In another example of the present invention, after the secure communication control center receives the data after the second level encapsulation, the secure communication control center may parse the data based on the SAA protocol, and then perform secondary parsing on the data by using the MEC protocol, so as to obtain fault data, thereby ensuring security of the communication process.
102, performing global optimization based on fault data, and determining communication recovery time corresponding to each load node respectively;
in the embodiment of the invention, after the safety communication control center receives the fault data, global optimization can be performed according to the fault data to determine the communication recovery time corresponding to each load node respectively so as to provide a data basis for generating a communication emergency repair scheme for a subsequent communication emergency repair center due to the influences of the fault states, load grades and the like of different load nodes.
Optionally, the fault data includes a load class and an active power average value corresponding to the load node, and step 102 may include the following substeps:
substituting each load grade and active power average value into a preset global optimizing formula;
the communication recovery time corresponding to each load node is obtained by solving a global optimization formula by adopting a preset optimization path time matrix with the aim of minimizing the communication recovery time corresponding to each load node;
the global optimizing formula is as follows:
wherein f is the communication recovery time, ω i For the load class, t i For the i-th corresponding pass of the load nodeSignal recovery time, P i For the i-th active power average value corresponding to the load nodes, tpir is the end time, tir is the start time, N is the total number of the load nodes, and F (t) max Maximum value of system function;
the optimizing path time matrix is as follows:
R real (t)＝R*inc(t)；
wherein R is real And (t) is the optimizing path time matrix, inc (t) is a preset optimizing path increasing coefficient, and R is a preset positive integer.
In one example of the invention, parameters such as load levels and active power average values corresponding to the load nodes can be substituted into a preset global optimization formula, and the global optimization formula is solved with the aim of minimizing the communication recovery time of the load nodes, so as to obtain the communication recovery time corresponding to the load nodes.
Step 103, sending each communication recovery time to a communication emergency repair center; the communication emergency repair center is used for generating a communication emergency repair scheme based on each communication recovery time.
In the embodiment of the invention, after the communication emergency repair center receives the communication recovery time corresponding to each load node, the communication emergency repair center can sort the time according to the repair time from small to large, and can acquire the fault type of the load node sent by the safety communication control center together when receiving the communication recovery time, so that a corresponding communication emergency repair scheme is generated for the load node corresponding to each communication recovery time.
In the embodiment of the invention, the power communication state data of each load node is acquired in real time through a network communication system and forwarded to a communication safety control center, when the power communication state data is not received in a monitoring period, the power communication is judged to be interrupted, at the moment, the communication safety control center can acquire fault data from the sensors of each load node through the network communication system, global optimization is carried out based on the fault data, and the communication recovery time corresponding to each load node is determined; sending each communication recovery time to a communication emergency repair center; the communication emergency repair center is used for generating a communication emergency repair scheme based on each communication recovery time. The technical problem that the existing power communication network is low in rush-repair efficiency due to the fact that effective information safety protection measures are lacked in the rush-repair process is solved, the corresponding communication emergency rush-repair scheme of each load node is generated more efficiently based on the length of communication recovery time, the rush-repair efficiency is improved, and sustainable use of power communication is guaranteed.
In another example of the present invention, the conventional GA method is selected to perform a comparison test with the present invention method, and the test results are compared by means of scientific demonstration, so as to verify the actual effect of the present invention method.
When solving the problems by the traditional GA method, comparing respective solving results, wherein parameters of three algorithms participating in the comparison are as follows:
(1) The method (global optimizing algorithm) of the invention: initial temperature t0=1030, final temperature tmin=10-30, lk=1, α=0.9 (iterative calculation 1312 times);
(2) Conventional method GA method (genetic algorithm): population number 20, gene crossover probability 70%, gene mutation probability 10% and iterative calculation 300 times.
The basic principle of the two algorithms is random search, so that when the iteration times are not infinite, the final optimization result can fluctuate, in order to show respective actual performances, after multiple independent repeated tests are carried out, the research thought of data is analyzed by using a statistical method, 500 independent repeated optimization calculations are respectively carried out by using the two algorithms, and compared indexes comprise program average running time, final optimization objective function mean value, optimizing rate, 1/10000 optimizing solution rate and 5/10000 optimizing solution rate, wherein the optimizing rate refers to the probability that the algorithm searches for the actual optimal solution of the optimizing problem, and the capability of the algorithm to search the optimal solution is represented; the optimal solution rate of 1/10000 (5/10000) shows that the higher the value, the stronger the stability of the algorithm is, the probability of the algorithm to solve the optimal solution of 1/10000 (5/10000) before the optimization problem is solved.
Referring to fig. 2, a schematic diagram of a final result output curve for test comparison, wherein a solid line is a curve output by the method, a dotted line is a curve output by a traditional method, according to the schematic diagram of fig. 2, the solid line and the dotted line are gradually pulled apart along with the increase of time, the dotted line always presents an unstable fluctuation trend and is always lower than the safety increase of the solid line, and the solid line basically tends to be stable and is kept at the rising position of the dotted line more always although the solid line slightly fluctuates, so that the efficiency of the method is far higher than that of the traditional method, and the real effect of the method is verified.
Referring to fig. 3, fig. 3 is a block diagram illustrating a power communication fault repairing apparatus according to an embodiment of the present invention.
The invention also provides an electric power communication fault repairing device which is applied to a safety communication control center, wherein the safety communication control center is in communication connection with a communication emergency repair center, and the device comprises:
a fault data obtaining module 301, configured to obtain fault data of at least one load node when an interruption of power communication is detected;
the recovery time determining module 302 is configured to perform global optimization based on the fault data, and determine communication recovery times corresponding to the load nodes respectively;
a recovery time sending module 303, configured to send each communication recovery time to a communication emergency repair center; the communication emergency repair center is used for generating a communication emergency repair scheme based on each communication recovery time.
Optionally, the apparatus further comprises:
the connection establishment module is used for establishing TCP connection with a preset network communication system;
the power communication state data receiving module is used for receiving power communication state data returned by the network communication system in response to the transmitted protocol communication request;
and the power communication interruption judging module is used for judging that the power communication is interrupted if the power communication state data is not received within a preset monitoring time period.
Optionally, the network communication system is also used for,
responding to the protocol communication request, searching a target protocol library in a preset dynamic protocol library by adopting a protocol library identifier carried by the protocol communication request, and loading the target protocol library in a preset communication channel;
when fault data acquired by a plurality of preset sensors from a load node are received, carrying out protocol conversion on the fault data;
packaging the fault data after protocol conversion based on MEC protocol to obtain first-level packaging data;
and carrying out secondary packaging on the primary packaging data based on the SAA protocol, and then sending the primary packaging data to a secure communication control center.
Optionally, the target protocol library includes protocol description, protocol library identification, device type, and configuration parameter information.
Optionally, the fault data includes a load level and an active power average value corresponding to the load node, and the recovery time determining module 302 is specifically configured to:
substituting each load grade and active power average value into a preset global optimizing formula;
the communication recovery time corresponding to each load node is obtained by solving a global optimization formula by adopting a preset optimization path time matrix with the aim of minimizing the communication recovery time corresponding to each load node;
the global optimizing formula is as follows:
wherein f is the communication recovery time, ω i For the load class, t i P is the communication recovery time corresponding to the ith load node i For the i-th active power average value corresponding to the load nodes, tpir is the end time, tir is the start time, N is the total number of the load nodes, and F (t) max Maximum value of system function;
the optimizing path time matrix is as follows:
R real (t)＝R*inc(t)；
wherein R is real And (t) is the optimizing path time matrix, inc (t) is a preset optimizing path increasing coefficient, and R is a preset positive integer.
It will be clearly understood by those skilled in the art that, for convenience and brevity of description, the specific working process of the apparatus and modules described above may refer to the corresponding process in the foregoing method embodiment, which is not repeated herein.
In the several embodiments provided by the present invention, it should be understood that the disclosed apparatus and method may be implemented in other manners. For example, the apparatus embodiments described above are merely illustrative, e.g., the division of the units is merely a logical function division, and there may be additional divisions when actually implemented, e.g., multiple units or components may be combined or integrated into another system, or some features may be omitted or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be an indirect coupling or communication connection via some interfaces, devices or units, which may be in electrical, mechanical or other form.
The units described as separate units may or may not be physically separate, and units shown as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
In addition, each functional unit in the embodiments of the present invention may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit. The integrated units may be implemented in hardware or in software functional units.
The above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (8)
1. The utility model provides a power communication trouble restoration method which is characterized in that is applied to safe communication control center, the communication emergency repair center communication connection of safe communication control center, the method includes:
when the interruption of power communication is monitored, fault data of at least one load node are obtained;
performing global optimization based on the fault data, and determining communication recovery time corresponding to each load node;
sending each communication recovery time to the communication emergency repair center; the communication emergency repair center is used for generating a communication emergency repair scheme based on each communication recovery time;
the fault data comprises load grades and active power average values corresponding to the load nodes, and the step of determining communication recovery time corresponding to each load node based on global optimization of the fault data comprises the following steps:
substituting each load grade and the active power average value into a preset global optimizing formula;
aiming at minimizing the communication recovery time corresponding to each load node, solving the global optimization formula by adopting a preset optimization path time matrix to obtain the communication recovery time corresponding to each load node;
the global optimizing formula is as follows:
；
；
wherein,ffor the time of the resumption of the communication,for the load class, +.>For the communication recovery time corresponding to the ith load node,/th load node>For the active power average value corresponding to the ith load node,tpirin order to finish the moment of time,tirfor the start time, N is the total number of load nodes, +.>Maximum value of system function;
the optimizing path time matrix is as follows:
；
wherein,for the optimizing distance time matrix, +.>The coefficient is increased for a preset optimizing distance,Ris a preset positive integer.
2. The method of claim 1, wherein prior to the step of obtaining fault data for at least one load node when an interruption in power communication is detected, the method further comprises:
establishing TCP connection with a preset network communication system;
receiving power communication state data returned by the network communication system in response to the transmitted protocol communication request;
and if the power communication state data is not received within a preset monitoring time period, judging that the power communication is interrupted.
3. The method of claim 2, wherein the network communication system is further configured to,
responding to the protocol communication request, searching a target protocol library in a preset dynamic protocol library by adopting a protocol library identifier carried by the protocol communication request, and loading the target protocol library in a preset communication channel;
when fault data collected by a plurality of preset sensors from the load node are received, carrying out protocol conversion on the fault data;
packaging the fault data after protocol conversion based on MEC protocol to obtain first-level packaging data;
and carrying out secondary packaging on the primary packaging data based on an SAA protocol and then sending the primary packaging data to the secure communication control center.
4. The method of claim 3, wherein the target protocol library includes protocol specifications, protocol library identification, device type, and configuration parameter information.
5. An electric power communication trouble repair device, characterized by being applied to safety communication control center, safety communication control center and communication emergency repair center communication connection, the device includes:
the fault data acquisition module is used for acquiring fault data of at least one load node when the power communication interruption is monitored;
the recovery time determining module is used for carrying out global optimization based on the fault data and determining communication recovery time corresponding to each load node respectively;
the recovery time sending module is used for sending each communication recovery time to the communication emergency repair center; the communication emergency repair center is used for generating a communication emergency repair scheme based on each communication recovery time;
the fault data comprises a load grade and an active power average value corresponding to the load node, and the recovery time determining module is specifically configured to:
substituting each load grade and the active power average value into a preset global optimizing formula;
aiming at minimizing the communication recovery time corresponding to each load node, solving the global optimization formula by adopting a preset optimization path time matrix to obtain the communication recovery time corresponding to each load node;
the global optimizing formula is as follows:
；
；
wherein,ffor the time of the resumption of the communication,for the load class, +.>For the communication recovery time corresponding to the ith load node,/th load node>For the active power average value corresponding to the ith load node,tpirin order to finish the moment of time,tirfor the start time, N is the total number of load nodes, +.>Maximum value of system function;
the optimizing path time matrix is as follows:
；
wherein,for the optimizing distance time matrix, +.>The coefficient is increased for a preset optimizing distance,Ris a preset positive integer.
6. The apparatus of claim 5, wherein the apparatus further comprises:
the connection establishment module is used for establishing TCP connection with a preset network communication system;
the power communication state data receiving module is used for receiving power communication state data returned by the network communication system in response to the transmitted protocol communication request;
and the power communication interruption judging module is used for judging that the power communication is interrupted if the power communication state data is not received within a preset monitoring time period.
7. The apparatus of claim 6, wherein the network communication system is further configured to,
responding to the protocol communication request, searching a target protocol library in a preset dynamic protocol library by adopting a protocol library identifier carried by the protocol communication request, and loading the target protocol library in a preset communication channel;
when fault data collected by a plurality of preset sensors from the load node are received, carrying out protocol conversion on the fault data;
packaging the fault data after protocol conversion based on MEC protocol to obtain first-level packaging data;
and carrying out secondary packaging on the primary packaging data based on an SAA protocol and then sending the primary packaging data to the secure communication control center.
8. The apparatus of claim 7, wherein the target protocol library comprises protocol specifications, protocol library identifications, device types, and configuration parameter information.
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