CN115585836A - Online monitoring system based on transmission line automation - Google Patents

Abstract

The invention discloses an on-line monitoring system based on transmission line automation, which comprises: establishing historical sample data of a condenser unit; inputting historical sample data into a BP neural network model for training to obtain a condenser prediction model; inputting historical sample data into a BP neural network model for training to obtain a condenser vacuum Sv prediction model; acquiring first operation data in real time, iterating partial historical sample data, bringing the data into a condenser prediction model, and calculating operation parameters in the current operation mode; and substituting the operation parameters in the current operation mode and the second operation data acquired in real time into a condenser vacuum Sv prediction model to obtain a real-time condenser vacuum prediction value. The invention can simulate the vacuum value and the change condition of the condenser under different operation modes and different operation numbers under the external condition of the total flow Sf of the steam side of the condenser, the temperature St of the hot well of the condenser and the ambient temperature Et, and provides data support for the optimization and adjustment of the operation modes and the operation numbers.

Description

An Online Monitoring System Based on Transmission Line Automation

technical field

The invention relates to the technical field of distribution network, in particular to an on-line monitoring system based on transmission line automation.

Background technique

The overhead transmission line is an important part of the power system, and ensuring the transmission capacity and safe operation of the line is the key issue in the maintenance of the transmission line. Moreover, with the rapid development of the national economy, the demand for power capacity in various industries and fields in our country is increasing. While striving to increase the length of transmission lines, ensuring and increasing the transmission capacity of existing overhead transmission lines, improving the security of power grid power supply, and improving the intelligence level of the grid are the key contents of the smart grid.

The goal of the smart grid is to use the high-voltage power grid as the backbone grid and the coordinated development of power grids at all levels as the basis, and use advanced communication, information and control technologies to build an internationally leading and independent innovation system characterized by informatization, automation and interaction. smart grid. Among them, on-line monitoring of important operating parameters of each link of the high-voltage power grid, in order to strengthen the prediction, prevention, and regulation of equipment status from the aspects of safety, reliability, adjustability, and anti-disturbance, and establish intelligent transmission lines based on reliable operating parameters. Decision-making is the core requirement for realizing the smart grid. In the existing technology, the detection of transmission lines needs to manually check several systems, synthesize all the information, and then give a processing plan. Important information in a short period of time will be obliterated by a large amount of data, and it is difficult for the dispatcher to judge the fault in a timely and accurate manner. Will lead to miss the best time to deal with the accident, causing the accident to expand the probability.

Contents of the invention

The purpose of this section is to outline some aspects of embodiments of the invention and briefly describe some preferred embodiments. Some simplifications or omissions may be made in this section, as well as in the abstract and titles of this application, to avoid obscuring the purpose of this section, the abstract and titles, and such simplifications or omissions should not be used to limit the scope of the invention.

In view of the above existing problems, the present invention is proposed.

Therefore, the present invention provides an on-line monitoring system based on transmission line automation, which solves the need to manually check the system for the detection of transmission lines in the prior art, and then give a processing plan after synthesizing all the information. Important information will be displayed in a short time A large amount of data is annihilated, and it is difficult to judge the fault in a timely and accurate manner, which leads to the problem of missing the best time to deal with the accident.

In order to solve the above technical problems, the present invention provides the following technical solutions: comprising:

A contact map module, the contact map module is a graphic system, which is used to divide the distribution network equipment into three-level layers for hierarchical display;

The DMS1000E module is connected to the output end of the contact map module, and is used to combine the three-remote technology, the CC2000 system and the contact map module, and analyze the real-time data of the equipment to complete the monitoring of the distribution network equipment and the network;

The fault fast processing module is connected with the output terminal of the DMS1000E module, and is used to analyze the suspected faults detected by the system, determine the scope of the fault, and provide the dispatcher with information to isolate faults and transfer equipment and loads within the non-fault range. power supply strategy;

The intelligent billing module is connected to the output terminal of the contact map module, and is used to simulate manual billing according to the application form and the real-time distribution network operation mode, according to the commonly used terms entered into the database in advance, the logic of power failure and restoration, and the billing rules. power outage and recovery order ticket.

As a preferred scheme of the online monitoring system based on transmission line automation described in the present invention, wherein: the first-level layer of the three-level layer is a substation index map, and the second-level layer is a substation internal wiring diagram, The third-level layer is to divide the feeder into 494 contact maps according to the electrical structure of its N-1 hand-in-hand connection.

As a preferred solution of the online monitoring system based on transmission line automation described in the present invention, wherein: the 494 contact maps are added by adding jumps, identification and jumping of lines erected on the same pole, and special identification functions for standby investment equipment Restore the information of the whole network map;

The jump can directly open and jump to the contact map where another power supply boundary of the backup equipment is located;

The identification and jumping of the lines erected on the same pole are added in the professional ledger of each pole tower: whether the equipment is on the same pole; if yes, fill in another field: several times on the same pole;

When the professional ledger indicates that the tower has the same pole equipment, the same pole mark will appear on the line when the contact map is generated, and it will distinguish between two and three times the same pole, and the overhead line on the same pole must be realized after packaging jump;

The special identification of the standby switching equipment is done by filling the background of the standby switching station with one color, and connecting and marking with another color and line type between the two incoming line switches that are standby switching each other.

As a preferred solution of the on-line monitoring system based on transmission line automation in the present invention, wherein: the substation index map is used to use different colors to distinguish the voltage levels of substation names.

As a preferred scheme of the on-line monitoring system based on transmission line automation described in the present invention, wherein: the wiring diagram in the substation is used to electrically connect all bus bars, bus couplers and all outgoing feeder switches of a substation according to their electrical connections The generated layer, and the network nature of this line is marked below each outgoing feeder switch.

As a preferred solution of the online monitoring system based on transmission line automation in the present invention, wherein: the contact map module also includes one-key extraction of main line graphics for extracting main line equipment, multi-power users and important users, And the extracted devices will generate a temporary trunk line graph according to their topological relationship, which will be displayed in a pop-up window.

As a preferred solution of the online monitoring system based on transmission line automation described in the present invention, wherein: the DMS1000E module includes:

The database is used to store the information and status of the collected equipment;

Closing and breaking loop detection, used to judge whether the system is closed and running during remote control operation;

Three remote technologies, including telemetry, remote signaling and remote control technology.

As a preferred solution of the online monitoring system based on transmission line automation in the present invention, wherein: the fault quick processing module also includes an alarm module, the alarm module is composed of an alarm light and a buzzer, and the alarm The module performs pop-up window display according to the preset fault level classification.

As a preferred scheme of the online monitoring system based on transmission line automation described in the present invention, wherein: the intelligent billing module is composed of an application form management module and an instruction ticket management module, and the application form includes an application form for decommissioning, a method Application form, external unit application form, business expansion application form, failure repair form and customer suspension and resumption of service.

As a preferred solution of the online monitoring system based on transmission line automation in the present invention, wherein: the intelligent billing module also includes reading of application forms, review of relevant data and drafting of instruction tickets.

Beneficial effects of the present invention: (1) Realize all-round real-time monitoring of power grid operation, online fault diagnosis and intelligent alarm, so that the dispatcher can timely and comprehensively grasp the power grid operation situation, and can intervene at the first time, when the distribution network occurs In the event of a fault, the telemetry signal of distribution network automation can provide more information for the dispatcher to judge the fault, and the remote control system can enable the dispatcher to remotely isolate the fault and recover in time when the emergency repair team has not arrived at the fault site. The load power supply effectively improves the efficiency of fault handling and greatly reduces the power outage time caused by faults.

(2) This system strengthens the management and operation of the power grid, optimizes the business process, ensures the safety of the switching operation and the stability of the power grid operation, improves the work efficiency of the dispatcher and the ability to quickly deal with power grid faults, and realizes The substation is unattended and the daily operation is completed by remote control, which greatly reduces the workload of front-line production staff and reduces the cost of operation and management.

Description of drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention. For Those of ordinary skill in the art can also obtain other drawings based on these drawings without any creative effort. in:

Fig. 1 is a schematic structural diagram of an on-line monitoring system based on transmission line automation described in an embodiment of the present invention;

Fig. 2 is a schematic structural diagram of a three-level layer in an on-line monitoring system based on transmission line automation according to an embodiment of the present invention.

detailed description

In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation modes of the present invention will be described in detail below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the present invention, not all of them. Example. Based on the embodiments of the present invention, all other embodiments obtained by ordinary persons in the art without creative efforts shall fall within the protection scope of the present invention.

In the following description, a lot of specific details are set forth in order to fully understand the present invention, but the present invention can also be implemented in other ways different from those described here, and those skilled in the art can do it without departing from the meaning of the present invention. By analogy, the present invention is therefore not limited to the specific examples disclosed below.

Second, "one embodiment" or "an embodiment" referred to herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. "In one embodiment" appearing in different places in this specification does not all refer to the same embodiment, nor is it a separate or selective embodiment that is mutually exclusive with other embodiments.

The present invention is described in detail in conjunction with schematic diagrams. When describing the embodiments of the present invention in detail, for the convenience of explanation, the cross-sectional view showing the device structure will not be partially enlarged according to the general scale, and the schematic diagram is only an example, which should not limit the present invention. scope of protection. In addition, the three-dimensional space dimensions of length, width and depth should be included in actual production.

At the same time, in the description of the present invention, it should be noted that the orientation or positional relationship indicated by "upper, lower, inner and outer" in the terms is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention. The invention and the simplified description do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and thus should not be construed as limiting the present invention. In addition, the terms "first, second or third" are used for descriptive purposes only, and should not be construed as indicating or implying relative importance.

Unless otherwise specified and limited in the present invention, the term "installation, connection, connection" should be understood in a broad sense, for example: it can be a fixed connection, a detachable connection or an integrated connection; it can also be a mechanical connection, an electrical connection or a direct connection. A connection can also be an indirect connection through an intermediary, or it can be an internal communication between two elements. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention in specific situations.

Example 1

Referring to Figures 1-2, an embodiment of the present invention provides an on-line monitoring system based on transmission line automation, including:

Contact map module, the contact map module is a graphic system, which is used to divide the distribution network equipment into three layers for hierarchical display;

It should be noted that the contact map module is the carrier of all data and the basis of all functions of the integrated system.

The DMS1000E module is connected to the output terminal of the contact map module, which is used to combine the three-remote technology, the CC2000 system and the contact map module, and analyze the real-time data of the equipment to complete the monitoring of the distribution network equipment and the network;

The fault quick processing module is connected with the output terminal of the DMS1000E module, and is used to analyze the suspected fault detected by the system, determine the scope of the fault, and provide the dispatcher with the ability to isolate the fault and transfer the power supply of equipment and loads within the non-fault range Strategy;

It should be noted that the dispatcher reviews the policy and decides whether to implement it. If the devices operated by the policy are remote-controllable devices, one-key isolation can be realized, that is, according to the policy, or the dispatcher reviews the modified policy, according to its The sequence is automatically and remotely executed, and a pop-up window will prompt after the execution is successful.

The intelligent invoicing module is connected to the output terminal of the contact map module, and is used to simulate manual issuance of the corresponding outage according to the application form and real-time distribution network operation mode, according to the commonly used terms entered in the database in advance, the logic of power outage and restoration, and the invoicing rules. Return order ticket.

Furthermore, the first layer of the three-level layer is the index map of the substation, the second layer is the wiring diagram of the substation, and the third layer is the electrical structure division of the feeder according to its N-1 hand-in-hand connection Into 494 contact maps.

It should be noted that, in order to ensure the uniqueness of the equipment, each equipment only appears on one contact map. When encountering backup switching equipment, there are two power connection points. When these two power connection points belong to two Different contact maps, it is reasonable to draw the backup equipment on any one of the maps, and in principle, it should be placed according to the friendliness of the graphics.

Furthermore, the 494 contact maps restore the information of the entire network map by adding jumps, identification and jumps of lines erected on the same pole, and special identification functions for standby equipment;

Jump can directly open and jump to the contact map where the other power supply boundary of the backup equipment is located;

It should be noted that the present embodiment provides a preferred jump function description. The 35kv outlet switch of the substation: the 35kv feeder outlet switch will be displayed on two layers: the substation wiring diagram and the contact diagram where it is located. The "Thematic Map Hierarchical Display" tool clicks the switch to automatically jump. Dual (multiple) power supply users: In addition to the brightly colored mark below the user to indicate the demarcation pole number of another power supply point, users with dual (multiple) power supply can also use the "Thematic Map Hierarchical Display" tool to select users Realize the jump, jump to the contact map where the other power supply boundary of the user is located and highlight it, which helps the dispatcher to grasp the power supply situation of the other power supply of the dual (multiple) power supply, especially in bad weather such as typhoon In the troubleshooting of many line failures and power outages, it is very important to ensure that important users have at least one available power supply. The backup equipment is the same as the dual power supply users, and the demarcation pole number of the other power supply point is marked on the head of the other power supply cable. Use the jump tool to directly open and jump to the demarcation point of the other power supply of the backup equipment. contact map;

The identification and jump of the line erected on the same pole are passed in the professional ledger of each tower, add a field: whether the equipment is on the same pole; if you choose yes, fill in another field: several times on the same pole;

When the professional ledger indicates that the pole tower has the same pole equipment, the same pole mark will appear on the line when the contact map is generated, and it will distinguish between two times and three times on the same pole. A green solid line is used to indicate the conductors of the same pole twice, a solid line plus a dashed line are used to indicate the conductors of the same pole twice, and a solid line is used to indicate the conductors of the same pole three times. , the overhead lines on the same pole must be jumped after packing;

The special identification of standby switching equipment is done by filling the background of the standby switching station with one color, and connecting and marking with another color and line type between the two incoming line switches that are standby switching each other.

As a preferred method, fill the background of the standby switch station with gray-blue, and write a note with a red dotted line connection between the two incoming line switches that are standby switch: standby switch, so that it can be very clear It can be seen which two switches are the standby investment, and when the whole picture is zoomed out, it can be seen that this station is the backup investment station. When the power supply point on the power supply side of the standby switching equipment suddenly loses voltage, it will automatically start the standby switching device, disconnect the incoming line switch on the original power supply side, and then close the incoming line switch of the power supply on the other side to realize the standby switching function .

Furthermore, the substation index map is used to use different colors for substation names to distinguish their voltage levels.

It should be noted that, as a preferred embodiment, red fonts can be used for 220kv, blue fonts can be used for 110kv, and yellow fonts can be used for 35kv, which is of great help to the learning of new dispatchers. When the maintenance unit is not familiar enough, there is no need to check the professional ledger of the substation to find out which operation and maintenance substation belongs to for operation, and it is not necessary to check the protection rating list in the OMS system to determine its transformer grade.

Furthermore, the wiring diagram in the substation is used to generate a layer of all the buses, bus couplers and all outgoing feeder switches of a substation according to their electrical connections, and the network of this line is marked below each outgoing feeder switch nature.

It should be noted that the default is the hand-in-hand feeder, which is not specially marked; if there is only one power point, the lines of multiple devices that are not connected to other power points are set as radiation signs; Dedicated sign; if it is a dedicated line user with two or more power points, the corresponding signs are double dedicated, triple dedicated, etc.

The special role of this layer is:

1) When the CC2000 system prompts that a certain section of the bus has a fault indication of ground loss, you can immediately see how many outgoing feeders there are on this section of the bus, and the network structure of each feeder;

2) When a fault occurs on the power supply side of the main network, causing a substation to lose voltage in half or the whole substation, it can immediately count how many dedicated line users lose power, as well as the affected power outage area, affected load data and other information;

3) This layer can carry out information statistics according to the bus, such as counting the number of important users on the bus (including the important users connected to each outgoing feeder), for distribution plan, reliability statistics, risk warning, etc. Work also provides a good platform. This layer can not only be used by distribution network dispatchers, but also with some special tools, it can be provided to other planning departments, data statistics departments, and even electricity billing departments, which has good scalability.

Furthermore, the contact map module also includes one-click extraction of trunk line graphs, which are used to extract trunk line devices, multi-power users and important users, and generate temporary trunk line graphs for the extracted devices according to their topological relationships, which will be displayed in a pop-up window .

Furthermore, the DMS1000E module includes:

The database is used to store the information and status of the collected equipment;

It should be noted that in the DMS1000E module, there are three boxes below each device, which are used to display the three-phase current value passing through the device in real time, and store this value in the database. All devices with telemetry devices will pass Distribution automation equipment collects three-phase current and equipment status on site, and transmits this information to a remote database through an automated communication channel. When each computer terminal opens a contact map, the system will read all information on the contact map. equipment, and read the real-time information and status of these equipment from the database and display;

Closing and breaking loop detection, used to judge whether the system is closed and running during remote control operation;

It should be noted that, if yes, the loop closing and unblocking review program will be automatically started. This program can automatically find the two power points where the loop closing equipment will cause the loop closing and extract the real-time load through the database to calculate the load of the power point after the loop closing operation. Compare with the maximum allowable load of these two power points, if the calculated closed loop load is greater than the maximum allowable load, a pop-up window will prompt, otherwise, directly call the "remote control execution program";

Three remote technologies, including telemetry, remote signaling and remote control technology.

It should be noted that telemetry means that after the field equipment is equipped with an automatic remote control device, it can collect information such as current, voltage, and protection of the equipment, and send it back to the remote background through the communication channel and can be called and displayed by the computer terminal; remote signaling means that the dispatcher can Through the operation of the computer terminal, communicate with the on-site equipment to test the channel, check whether the equipment is offline, etc.; remote control technology means that the dispatcher can remotely control the on-site equipment through the computer terminal.

Furthermore, the fault rapid processing module also includes an alarm module, which is composed of an alarm lamp and a buzzer, and the alarm module performs pop-up window display according to the preset fault level classification.

Furthermore, the intelligent invoicing module is composed of an application form management module and an instruction ticket management module. The application forms include decommissioning application form, method application form, external unit application form, business expansion application form, breakdown repair form and customer suspension and resumption of service.

Furthermore, the intelligent billing module also includes the reading of application forms, the review of relevant data and the drafting of instruction tickets.

Example 2

Referring to Figs. 1-2, another embodiment of the present invention provides a workflow of an on-line monitoring system based on transmission line automation.

The working principle of the fault quick processing module:

1) 35kv feeder outlet switch tripped. The CC2000 system will pop up a window to prompt the fault information, including: double name of the tripping device, protection action status, fault current, etc. After the fault quick processing module receives the jump signal from the CC2000 system, it will take out the double number of the trip switch, and then find For the DMS1000E module, in the item window of the contact diagram where this switch is located, according to the time node of the CC2000 message to get the content of the item window, get all the item messages within 2 hours before the message time in the item window, and sequentially save the items in the item message Compare the device ID with the device ID between the trip switch and the breakpoint to see if it belongs to the device between the trip switch and the breakpoint. If so, take out this message and display it in the list. In this way, within 2 hours, the The item messages of all the equipment powered by the power supply will appear in the list in chronological order, and the closer to the switch trip time, the higher the list will appear. After filtering out the list, the next step is to process the contents in the list. The system will automatically match the switch tripping protection information sent by CC2000 with the protection information of the items in the list according to the order of the list, and filter the items according to the information similarity from high to low. For example, the 35kv feeder outlet switch tripping protection information is B-phase For over-current protection, all item items containing B-phase over-current protection actions are screened out, and the device IDs of these item items are combined according to the topological relationship of the contact map to analyze the most likely fault point and generate a pop-up prompt in the policy window, with The specific content and chronological order of the screened item items. When the item item does not have a protection signal with a high degree of similarity, the next keyword will be screened according to the pre-input matching priority order. For example, B-phase loss of voltage, in this order Complete the extraction of item items. The priority order of the keywords mentioned here is that there is a special storage module in the database, and each protection name of the 35kv feeder switch is followed by a list, and the matching degree is stored in sequence from high to low. The protection action name of the adapted distribution network equipment. When the protection action occurs, call this list to filter the items.

2) The three-phase voltage of the substation bus is unbalanced. Bus voltage unbalance can be divided into two types: complete loss of ground and incomplete loss of ground. a. Complete loss of ground: one of the three-phase voltages of the busbar is close to 0, and the other two phases rise to close to 10kv. This kind of complete loss of ground is generally caused by a phase cable failure in the cable network or a high-voltage line disconnection of one phase of the overhead line; b 1. Incomplete ground loss: One of the three-phase voltages of the busbar is reduced, usually between 2kv-5kv, and the other two are increased but not close to 10kv, usually around 7kv or 8kv. Such incomplete ground loss faults mostly occur in In overhead lines, the cause may be that the tree branch is pressed on the high-voltage bare wire, or a porcelain bottle is broken, and the insulation equipment is not completely damaged. The fault quick processing system will first judge whether it is completely lost or not completely lost according to the lost ground information sent by CC2000, and then according to the rules input in advance (the dispatcher input the line selection rules of the program in advance based on experience), combined with the feedback from the "lost ground line selection device" ", the zero-sequence current of all feeders of the lost-ground busbar, etc., arrange several feeders in descending order of possibility, and consider that the busbar ground loss is caused by the fault of this feeder, and then go to the DMS1000E module to find the event window of these feeders, and follow the above The described method combines all the information to find possible fault feeders and fault points, and proposes a strategy to isolate the fault and restore the normal power supply of the rest of the equipment.

3) Loss of voltage in half or the whole substation of the substation. This kind of failure is usually caused by the failure of the main network. The distribution network dispatcher needs to make a phone call to the upper-level dispatcher to ask whether it is clearly caused by the failure of the main network. If the answer is not sure, the distribution network dispatcher needs to first Check whether all the feeders on the voltage-loss bus have obvious switch protection activation, but the switch refuses to move. If there is such a signal, it may be a fault on this feeder. Because the switch protection refuses to move on the 35kv feeder, it causes The fault leapfrogged and caused a higher voltage level switch to trip. If this is the case, it is necessary to open the refusal switch through the CC2000 system, and then check that the other line switches have no protection action and report the situation to the ground dispatcher. According to the operation status of network equipment, it is determined whether to transmit power from the main transformer side, or to transfer all distribution network loads away. If there is no switch protection signal on all the voltage-loss busbars, all feeder outlet switches connected to the busbar should be transferred to thermal standby through the three-remote system first, and then report the situation to the local dispatcher and wait for the load to be transferred or the main transformer to send power Then send 35kv feeders one by one. If the load needs to be shifted, to realize the adjustment plan by way, first calculate whether the feeder on the opposite side and the main transformer are overloaded. For this type of fault, due to the large power outage area and impact range, and the cooperation of two-level dispatchers, it is usually not possible to use the fault quick processing module to formulate a strategy, but DMS1000E can be used to adjust the monitoring method and statistically affect dual (multiple) power supplies , important users, etc., which affect auxiliary functions such as load.

The fault quick processing module also includes an alarm module, which is composed of an alarm lamp and a buzzer, and the alarm module performs pop-up window display according to the preset fault level classification.

The intelligent billing module consists of the application form management module and the instruction ticket management module. The application form includes the application form for decommissioning, the form application form, the application form for external units, the application form for business expansion, the fault repair form and the customer suspension and resumption of service. Choose any type After adding the application form, you can add the application form from the system according to the time of the application form or fuzzy matching of the keywords of the work content of the application form through the "Add" in the pop-up window. After the application form is added, you can use the tool "Application Form Check the correctness and completeness of the work content and safety measures of the application form. When the system returns the result of "correct verification", the system can automatically generate a power outage through the "Add Power Outage Order Ticket" tool. Instruction ticket, and then use the tool of "power failure to power restoration" to complete the generation of power restoration instruction ticket. "Instruction ticket management" manages instruction tickets according to the order of operation, including: new instruction ticket, edit instruction ticket, review instruction ticket, execution instruction ticket, advance order instruction ticket, query instruction ticket.

The intelligent billing module also includes the reading of application forms, the review of relevant data and the drafting of instruction tickets.

The workflow of the intelligent billing module:

First import the decommissioning application form, and the system will automatically extract, analyze and verify whether the work content, safety measures, and method arrangements on the application form are correct. The system can extract the required planned outage and transmission time, work content, safety measures, operation mode arrangement, etc. from the fixed-format outage application form, and make simple logical judgments, such as: the planned power transmission time must be shorter than the planned power outage time late; match the name of the equipment that appears in the work content and safety measures with the GIS graphics system, find the location of these equipment, analyze the working range, and all power points within the working range (including substation outlet switches, self-provided power users, Dual (multiple) power supply users, transformers with self-provided power supplies, etc., then judge whether the safety measures listed on the application form have disconnected all power points within the working range, and judge the operation on the application form according to the current operation mode of GIS Whether the method is reasonable, whether it is correct, etc.

After analyzing the required information, it starts to simulate the manual writing of power outage order tickets. The system will call the rules entered in advance, and according to the power outage logic, call the common terms of the database to write out power outage order tickets one by one. 1) Extract the operating unit of all the equipment that needs to be operated, and each line will prompt the preparation operation and the power outage start time on the application form; 2) If the operation mode has an arrangement to close and unwind the operation, that is, press the first to close the loop, and then to unwind 3) After the operation of the mode is completed, start to operate the safety measures, and then stop all the power points first, and then operate other safety measures. Measures are carried out in principle. After each instruction, a check program that checks whether it complies with the rules needs to be called. This check program contains all the rules, such as: when the switch is disconnected, the load cannot be carried (only when there is no power supply, the switch is allowed to be disconnected, or When there is power supply, open the knife switch without load); when the line is transferred to maintenance, if the line is on the main line, all equipment on the opposite side is required to be in the cold standby state (the knife switch is in the disconnected state), if the line is in the On the branch road, all the power points of the branch road are required to be disconnected, etc.; 4) When planning to write a reply order ticket, it is necessary to judge whether the application form has a transaction order. If there is a transaction order, it is necessary to read the graphic system after the transaction (The change order is associated with the application form, and the wiring diagram drawn on the change form is the wiring diagram after the change.) Using the graphic system after the change as a model, write a reply call order ticket. The writing principle of the power recovery order ticket is the same as that of the power outage command ticket, but the power recovery logic is opposite to the power outage logic, and will not be described in detail here.

Example 3

As an embodiment of the present invention, an application scenario of an online monitoring system based on transmission line automation is provided as follows.

A company is responsible for the power dispatching tasks of the power distribution backbone network of 2 220kV substations, 8 110kV substations of 10kV buses and below, and 8 35kV substations of 35kV incoming lines and below in a certain urban area. A company established a distribution network control center in accordance with the model of "integration of dispatching and monitoring, internal division of kings and cooperation". Realize remote monitoring of distribution network, remote control operation, and rapid isolation and restoration of faults. After using the online monitoring system, the average switching operation time was reduced from 37 minutes to 3 minutes. From October of a certain year to October of a certain year, a total of 246 remote control operations were used in a total of one year.

It can be seen from the above that the online monitoring system of the present invention effectively improves the efficiency of fault handling and greatly reduces the power outage time caused by faults.

It should be appreciated that embodiments of the invention may be realized or implemented by computer hardware, a combination of hardware and software, or by computer instructions stored in a non-transitory computer readable memory. The methods can be implemented in a computer program using standard programming techniques - including a non-transitory computer-readable storage medium configured with a computer program, where the storage medium so configured causes the computer to operate in a specific and predefined manner - according to the specific Methods and Figures described in the Examples. Each program can be implemented in a high-level procedural or object-oriented programming language to communicate with the computer system. However, the programs can be implemented in assembly or machine language, if desired. In any case, the language may be a compiled or interpreted language. Furthermore, the program can be run on an application specific integrated circuit programmed for this purpose.

In addition, operations of processes described herein may be performed in any suitable order unless otherwise indicated herein or otherwise clearly contradicted by context. The processes described herein (or variations and/or combinations thereof) can be performed under the control of one or more computer systems configured with executable instructions, and as code that collectively executes on one or more processors (e.g. , executable instructions, one or more computer programs or one or more applications), hardware or a combination thereof. The computer program comprises a plurality of instructions executable by one or more processors.

Further, the method can be implemented in any type of computing platform operably connected to a suitable one, including but not limited to personal computer, minicomputer, main frame, workstation, network or distributed computing environment, stand-alone or integrated computer platform, or communicate with charged particle tools or other imaging devices, etc. Aspects of the invention can be implemented as machine-readable code stored on a non-transitory storage medium or device, whether removable or integrated into a computing platform, such as a hard disk, optically read and/or written storage medium, RAM, ROM, etc., such that they are readable by a programmable computer, when the storage medium or device is read by the computer, can be used to configure and operate the computer to perform the processes described herein. Additionally, the machine-readable code, or portions thereof, may be transmitted over a wired or wireless network. The invention described herein includes these and other various types of non-transitory computer-readable storage media when such media include instructions or programs that implement the steps described above in conjunction with a microprocessor or other data processor. The invention also includes the computer itself when programmed according to the methods and techniques described herein. Computer programs can be applied to input data to perform the functions described herein, thereby transforming the input data to generate output data stored to non-volatile memory. Output information may also be applied to one or more output devices such as a display. In a preferred embodiment of the invention, the transformed data represents physical and tangible objects, including specific visual depictions of physical and tangible objects produced on a display.

As used in this application, the terms "component," "module," "system" and the like are intended to refer to a computer-related entity, which may be hardware, firmware, a combination of hardware and software, software, or an operating system. software. For example, a component may be, but is not limited to being, a process running on a processor, a processor, an object, an executable, a thread of execution, a program, and/or a computer. As an example, both an application running on a computing device and the computing device can be components. One or more components can reside within a process and/or thread of execution and a component can be localized on one computer and/or distributed between two or more computers. In addition, these components can execute from various computer readable media having various data structures thereon. These components can be communicated through, for example, according to having one or more packets of data (e.g., data from a component that interacts with another component in a local system, a distributed system, and/or in the form of network to interact with other systems) to communicate with local and/or remote processes.

It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention without limitation, although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention can be carried out Modifications or equivalent replacements without departing from the spirit and scope of the technical solution of the present invention shall be covered by the claims of the present invention.

Claims (10)

1. An on-line monitoring system based on transmission line automation, characterized in that, comprising: A contact map module, the contact map module is a graphic system, which is used to divide the distribution network equipment into three-level layers for hierarchical display; The DMS1000E module is connected to the output terminal of the contact map module, and is used to combine the three-remote technology, the CC2000 system and the contact map module, and analyze the real-time data of the equipment to complete the monitoring of the distribution network equipment and the network; The fault fast processing module is connected with the output terminal of the DMS1000E module, and is used to analyze the suspected faults detected by the system, determine the scope of the fault, and provide the dispatcher with information to isolate faults and transfer equipment and loads within the non-fault range. power supply strategy; The intelligent billing module is connected to the output terminal of the contact map module, and is used to simulate manual billing according to the application form and the real-time distribution network operation mode, according to the commonly used terms entered into the database in advance, the logic of power failure and restoration, and the billing rules. power outage and recovery order ticket. 2. The on-line monitoring system based on transmission line automation as claimed in claim 1, wherein the first-level layer of the three-level layer is a substation index map, and the second-level layer is a wiring diagram in a substation station, The third-level layer is to divide the feeder into 494 contact maps according to the electrical structure of its N-1 hand-in-hand connection. 3. The on-line monitoring system based on transmission line automation as claimed in claim 2, characterized in that, the 494 contact diagrams are performed by adding jumps, identification and jumps of lines erected on the same pole, and the special identification functions of standby investment equipment Restore the information of the whole network map; The jump can directly open and jump to the contact map where another power supply boundary of the backup equipment is located; The identification and jumping of the lines erected on the same pole are added in the professional ledger of each pole tower: whether the equipment is on the same pole; if yes, fill in another field: several times on the same pole; When the professional ledger indicates that the tower has the same pole equipment, the same pole mark will appear on the line when the contact map is generated, and it will distinguish between two and three times the same pole, and the overhead line on the same pole must be realized after packaging jump; The special identification of the standby switching equipment is done by filling the background of the standby switching station with one color, and connecting and marking with another color and line type between the two incoming line switches that are standby switching each other. 4. The on-line monitoring system based on transmission line automation according to claim 3, characterized in that the substation index map is used to use different colors to distinguish the voltage levels of substation names. 5. The on-line monitoring system based on transmission line automation as claimed in claim 4, wherein the wiring diagram in the substation is used to electrically connect all busbars, bus couplers and all outlet feeder switches of a substation into operation The generated layer, and the network nature of this line is marked below each outgoing feeder switch. 6. The on-line monitoring system based on transmission line automation as claimed in claim 5, wherein the contact map module also includes one-key extraction of main line graphics for extracting main line equipment, multi-power users and important users, And the extracted devices will generate a temporary trunk line graph according to their topological relationship, which will be displayed in a pop-up window. 7. The on-line monitoring system based on transmission line automation as claimed in claim 6, wherein the DMS1000E module comprises: The database is used to store the information and status of the collected equipment; Closing and breaking loop detection, used to judge whether the system is closed and running during remote control operation; Three remote technologies, including telemetry, remote signaling and remote control technology. 8. The on-line monitoring system based on transmission line automation as claimed in claim 7, wherein the fault quick processing module also includes an alarm module, and the alarm module is composed of an alarm lamp and a buzzer, and the alarm The module performs pop-up window display according to the preset fault level classification. 9. The on-line monitoring system based on transmission line automation as claimed in claim 8, wherein the intelligent billing module is composed of an application sheet management module and an instruction ticket management module, and the application sheet includes a decommissioning application sheet, a method Application form, external unit application form, business expansion application form, failure repair form and customer suspension and resumption of service. 10. The on-line monitoring system based on transmission line automation according to claim 8 or 9, characterized in that the intelligent billing module also includes reading of application forms, review of relevant data and drafting of instruction tickets.

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