CN113380102A - Distribution network dispatcher training simulation system and method - Google Patents
Distribution network dispatcher training simulation system and method Download PDFInfo
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Abstract
The invention discloses a distribution network dispatcher training simulation system and a distribution network dispatcher training simulation method, wherein the training simulation system is connected with a distribution network master station system, and comprises the following components: the system comprises a dispatcher training workstation, a monitoring simulation data module and a fault setting workstation which are in communication connection; the dispatcher training workstation establishes an interaction mode between a teacher and a student and simulates a working mode of dispatching and running of a distribution network; the monitoring simulation data module acquires data from the distribution network master station system to simulate the real environment of the distribution network and carries out self-healing simulation operation; the monitoring simulation data module comprises: the system comprises a data simulation module, a protection simulation module, a terminal simulation module, a preposed access simulation module and a self-healing strategy simulation module; and the fault setting workstation is used for simulating a fault event of the distribution network. The distribution network dispatcher training simulation system can realize the self-healing strategy simulation function, deduces fault events by combining the self-healing strategy and can meet the training requirement of dispatchers on the application status of the distribution network self-healing mode.
Description
Technical Field
The invention relates to the technical field of power system simulation, in particular to a distribution network dispatcher training simulation system and a distribution network dispatcher training simulation method.
Background
A Dispatcher Training simulation system (DTS) is a set of digital simulation system, various dispatching operations and system working conditions after faults are simulated according to a simulated mathematical model of an actual power system by using a computer technology, and information is sent to a model of a power system control center to provide a vivid Training environment for dispatchers so as to achieve the purpose of enabling the dispatchers to obtain immersive actual combat exercises without influencing the operation of the actual power system.
At present, the DTS simulation research and application of a power grid are mainly performed in a main network link, and although a distribution network link has been developed in part of areas, main technical routes are constructed by referring to the main network DTS. With the development of distribution automation, the distribution network self-healing technology becomes an important technical means for improving the reliability of power supply, and related application functions such as network analysis of the existing DTS are no longer suitable for the current distribution network self-healing mode, so that the research and development of the dispatcher training simulation system based on the distribution network self-healing technology have very important practical significance.
Disclosure of Invention
The invention aims to provide a distribution network dispatcher training simulation system and a distribution network dispatcher training simulation method, and aims to solve the technical problem that the existing DTS is no longer suitable for the current distribution network self-healing mode.
The purpose of the invention can be realized by the following technical scheme:
the utility model provides a join in marriage net dispatcher training simulation system, training simulation system links to each other with joining in marriage net main website system, training simulation system includes:
the system comprises a dispatcher training workstation, a monitoring simulation data module and a fault setting workstation which are in communication connection;
the dispatcher training workstation establishes an interaction mode between a teacher and a student and simulates a working mode of dispatching and running of a distribution network;
the monitoring simulation data module acquires data from the distribution network master station system to simulate the real environment of the distribution network and carries out self-healing simulation operation;
the monitoring simulation data module comprises:
the system comprises a data simulation module, a protection simulation module, a terminal simulation module, a preposed access simulation module and a self-healing strategy simulation module;
the data simulation module simulates power grid operation data;
the protection simulation module carries out protection simulation on the fault event triggering simulation protection action;
the terminal simulation module simulates the power distribution terminal;
the preposed access simulation module carries out preposed access simulation on a simulation terminal, and the simulation terminal comprises a simulation power distribution terminal;
the self-healing strategy simulation module acquires a self-healing strategy of the distribution network master station system and generates corresponding self-healing and power-restoration operation schemes according to different fault events;
and the fault setting workstation is used for simulating a fault event of the distribution network.
Optionally, the self-healing policy simulation module is further configured to:
setting an execution mode of the self-healing power restoration operation scheme, wherein the execution mode comprises a manual mode, an automatic mode and a semi-automatic mode;
the manual mode refers to the operation of fault isolation and non-fault area recovery performed manually by a dispatcher; the automatic mode is that the self-healing strategy simulation module automatically completes the operation of fault isolation and non-fault area recovery; the semi-automatic mode refers to the operation of fault isolation completed by the self-healing strategy simulation module, and the operation of non-fault area recovery manually completed by a dispatcher.
Optionally, the dispatcher training workstation comprises:
the teacher platform module is used for providing a teacher to establish initial conditions to form fault events;
the student platform module is used for a student to perform simulation operation according to the fault event and complete the fault event by combining the power grid information of the monitoring simulation data module;
the training control module is used for realizing the control of the training process;
and the operation evaluation module is used for evaluating the simulation operation of the trainees according to the evaluation system of the distribution network dispatching training simulation system after the simulation operation of the trainees is finished.
Optionally, the fault setting workstation is further configured to:
and initializing the training simulation system and the simulation terminal.
The invention also provides a distribution network dispatcher training simulation method which is applied to a distribution network dispatcher training simulation system and comprises the following steps:
the simulation terminal triggers a fault event according to fault data, wherein the fault data are acquired from the fault setting workstation, and the simulation terminal is acquired by performing pre-access simulation by a pre-access simulation module;
the protection simulation module generates corresponding protection signals according to fault data and power distribution network data and acts, wherein the power distribution network data are acquired from the distribution network master station system;
the data simulation module sends out a corresponding equipment signal according to the protection signal;
the self-healing strategy simulation module acquires the protection signal and the equipment signal, starts a self-healing strategy to generate a corresponding self-healing power restoration operation scheme, and sends the self-healing power restoration operation scheme to the dispatcher training workstation; and the self-healing strategy is acquired from the distribution network main station system.
Optionally, the method further comprises:
the self-healing strategy simulation module sets execution modes of the self-healing power restoration operation scheme, wherein the execution modes comprise a manual mode, an automatic mode and a semi-automatic mode;
the manual mode refers to the operation of fault isolation and non-fault area recovery performed manually by a dispatcher; the automatic mode is that the self-healing strategy simulation module automatically completes the operation of fault isolation and non-fault area recovery; the semi-automatic mode refers to the operation of fault isolation completed by the self-healing strategy simulation module, and the operation of non-fault area recovery manually completed by a dispatcher.
Optionally, the self-healing policy simulation module obtains the protection signal and the device signal, and starts a self-healing policy to generate a corresponding self-healing power restoration operation scheme specifically includes:
and the self-healing strategy simulation module judges the fault type according to the protection signal, judges the fault range according to the equipment signal, calculates the load conditions of a non-fault area and a transfer line according to the load data of the line before the fault, and generates the self-healing power restoration operation scheme.
Optionally, before the analog terminal triggers the fault event according to the fault data, the method further includes:
starting a dispatcher training workstation, acquiring power distribution network data from a distribution network master station system through a teacher station module, and establishing a task list of fault events;
and starting a fault setting workstation, setting the fault event to obtain fault data, and sending the fault data to the simulation terminal.
Optionally, the method further comprises:
obtaining a student self-healing operation scheme according to the dispatcher training workstation, and performing self-healing operation according to the student self-healing operation scheme;
the operation evaluation module records the self-healing operation of the student, compares the self-healing operation with a built-in standard self-healing operation scheme and scores the operation of the student; the standard self-healing operation scheme is an optimal self-healing power recovery operation scheme in the training simulation system.
Optionally, the protection simulation module generates a corresponding protection signal according to the fault data and the power distribution network data, and before the action, the method further includes:
and simulating fault data according to a fault setting workstation, and writing the fault data into the protection simulation module.
The invention provides a distribution network dispatcher training simulation system and a distribution network dispatcher training simulation method, wherein the training simulation system is connected with a distribution network master station system, and comprises the following components: the system comprises a dispatcher training workstation, a monitoring simulation data module and a fault setting workstation which are in communication connection; the dispatcher training workstation establishes an interaction mode between a teacher and a student and simulates a working mode of dispatching and running of a distribution network; the monitoring simulation data module acquires data from the distribution network master station system to simulate the real environment of the distribution network and carries out self-healing simulation operation; the monitoring simulation data module comprises: the system comprises a data simulation module, a protection simulation module, a terminal simulation module, a preposed access simulation module and a self-healing strategy simulation module; the data simulation module simulates power grid operation data; the protection simulation module carries out protection simulation on the fault event triggering simulation protection action; the terminal simulation module simulates the power distribution terminal; the preposed access simulation module carries out preposed access simulation on a simulation terminal, and the simulation terminal comprises a simulation power distribution terminal; the self-healing strategy simulation module acquires a self-healing strategy of the distribution network master station system and generates corresponding self-healing and power-restoration operation schemes according to different fault events; and the fault setting workstation is used for simulating a fault event of the distribution network.
The technical scheme of the invention has the following beneficial effects:
the distribution network dispatcher training simulation system is provided with a self-healing strategy simulation module in combination with the feeder automation construction of the distribution network, a simulation terminal triggers a fault event according to fault data, the protection simulation module generates corresponding protection signals and acts, the data simulation module generates corresponding equipment signals, and the self-healing strategy simulation module generates a corresponding self-healing power recovery operation scheme by utilizing a main station local fusion type self-healing strategy. According to the self-healing strategy simulation system, the self-healing strategy simulation function is realized in the distribution network dispatcher training simulation system, the dispatcher can review or deduce the fault event by calling the data of the fault event in the real environment or simulating the data signal of the power distribution terminal and combining the self-healing strategy, and the training requirement of the dispatcher on the current distribution network self-healing mode application status can be met.
Drawings
FIG. 1 is a schematic configuration diagram of a distribution network dispatcher training simulation system according to the present invention;
FIG. 2 is a functional architecture diagram of a distribution network dispatcher training simulation system according to the present invention;
FIG. 3 is a schematic data interaction diagram of a distribution network dispatcher training simulation system according to the invention;
FIG. 4 is a hardware architecture diagram of a distribution network dispatcher training simulation system according to the present invention;
FIG. 5 is a self-healing strategy logic diagram of a distribution network dispatcher training simulation method of the present invention;
FIG. 6 is a schematic diagram of a distribution network dispatcher training simulation method according to an embodiment of the invention;
FIG. 7 is a schematic diagram of a second embodiment of a distribution network dispatcher training simulation method according to the present invention;
FIG. 8 is a third schematic view of an embodiment of a distribution network dispatcher training simulation method according to the invention;
fig. 9 is a fourth schematic view of an embodiment of a distribution network dispatcher training simulation method according to the invention.
Detailed Description
The embodiment of the invention provides a distribution network dispatcher training simulation system and a distribution network dispatcher training simulation method, which are used for solving the technical problem that the existing DTS is no longer suitable for the current distribution network self-healing mode.
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1, the following is an embodiment of a distribution network dispatcher training simulation system according to the present invention, the training simulation system is connected to a distribution network master station system, and the training simulation system includes:
the system comprises a dispatcher training workstation, a monitoring simulation data module and a fault setting workstation which are in communication connection;
the dispatcher training workstation establishes an interaction mode between a teacher and a student and simulates a working mode of dispatching and running of a distribution network;
the monitoring simulation data module acquires data from the distribution network master station system to simulate the real environment of the distribution network and carries out self-healing simulation operation;
the monitoring simulation data module comprises:
the system comprises a data simulation module, a protection simulation module, a terminal simulation module, a preposed access simulation module and a self-healing strategy simulation module;
the data simulation module simulates power grid operation data;
the protection simulation module carries out protection simulation on the fault event triggering simulation protection action;
the terminal simulation module simulates the power distribution terminal;
the preposed access simulation module carries out preposed access simulation on a simulation terminal, and the simulation terminal comprises a simulation power distribution terminal;
the self-healing strategy simulation module acquires a self-healing strategy of the distribution network master station system and generates corresponding self-healing and power-restoration operation schemes according to different fault events;
and the fault setting workstation is used for simulating a fault event of the distribution network.
The distribution network dispatcher training simulation system provided by the embodiment is deployed in a safety II area, wherein power grid operation data, a power grid graph model and the like are uploaded to the training simulation system by a distribution network automation master station system. And a dispatcher training workstation, a monitoring simulation data module and a fault setting workstation are respectively arranged on the training simulation system side so as to meet the requirements of training, simulation and examination.
Specifically, the dispatcher training workstation is used for establishing an interaction mode between a teacher and a student and simulating a working mode of daily dispatching operation, and comprises a teacher platform module, a student platform module, a training control module and a student operation evaluation module.
The teacher platform module is used for providing a teacher to establish initial conditions to form fault events so as to meet different teaching assessment requirements; the student platform module is used for simulating operation by a student, completes teaching plan events by combining the power grid information of the monitoring simulation data module according to fault events provided by a teacher, and ensures that a monitoring operation human-computer interface (including remote control and remote regulation) faced by the student is completely consistent with an online system; the training control module is used for realizing the control of a training process and specifically comprises: starting training, terminating or quitting the training, suspending and recovering the training, manually snapshotting, storing teaching plans, storing sections, recovering sections before accidents, recovering initial sections, returning to the previous operation, canceling all fault point states and the like; and the student operation evaluation module is used for scoring the whole operation of the student according to an evaluation system of the training simulation system after the operation of the student is finished.
Specifically, the monitoring simulation data module in this embodiment is configured to acquire data from the distribution network automation master station system and establish a distribution network simulation environment, and includes a data simulation module, a protection simulation module, a terminal simulation module, a pre-access simulation module, and a self-healing policy simulation module.
The data simulation module obtains conditions according to power grid parameters and load setting from the distribution network automation master station system, and performs power grid operation data simulation, wherein simulation contents comprise power grid operation modes, simulation of various power grid measurement data, analysis and processing of various simulation data of the distribution automation system and the like, and the operation state of a typical power grid is truly reproduced, so that a dispatcher can visually check the analysis and processing of the distribution automation system in various states, and the dispatcher is assisted to use the distribution automation system to complete various distribution and dispatching services.
The protection simulation module is used for performing simulation on various fault events, introducing parameter data such as protection fixed values of various secondary devices under normal power grid operation simulation, setting various common faults of the power distribution network in training, and triggering and simulating various protection action states to realize protection simulation.
The front access simulation module provides a front access simulation function, supports data access, channel state monitoring, channel operation statistics and the like of a simulation terminal (including a simulation power distribution terminal), is completely the same as the access process of an actual field terminal, and realizes simulation of real-time system data acquisition on the one hand by using a theoretical result of simulation calculation through various simulation means, so that a student obtains a training scene closer to an actual system. Meanwhile, a control instruction sent by the control module can be trained and converted into an event for carrying out simulation calculation on the power system model, the acquisition and display of various telemetering and remote signaling of the power grid and simulation remote control operation can be realized in a training state, the data of a simulation terminal is transmitted to the distribution network master station system, and the real-time data is displayed on a human-computer interface.
The self-healing strategy simulation module acquires a self-healing strategy from the distribution network automatic master station system, for example, acquires a feeder automation self-healing strategy of the distribution network automatic master station system, generates a self-healing and power-restoration operation scheme, and can set execution modes of the self-healing and power-restoration operation scheme through the self-healing strategy simulation module, wherein the execution modes comprise a manual mode, an automatic mode, a semi-automatic mode and the like. The feeder automation self-healing strategy is characterized in that when a power grid is assigned to have a fault, the system automatically isolates the fault and performs power restoration processing on a non-fault power loss area, so that the strategy of restoring power of the power distribution network from an emergency state to a recovery state non-fault area is realized.
The distribution network dispatcher training simulation system provided by the embodiment is a full-true and safe distribution network dispatching training simulation pre-operation system based on a distribution network self-healing technology, can provide training simulation pre-operation for teachers, students and testers, and is mainly used for performing system training on dispatchers under normal, accident and recovery control of a power grid, training the normal dispatching decision-making capability and the quick accident handling capability of the dispatchers, and improving the operation level of the dispatchers and the skill for analyzing and processing faults; the method can also be used for analyzing various operation modes and assisting the operator to establish a safe system operation mode.
Referring to fig. 2 and 3, the distribution network dispatcher training simulation system provided by this embodiment is a mirror image system of a distribution network master station system, combines with distribution network feeder automation construction, sets a self-healing strategy simulation module, increases a master station local fusion type self-healing strategy, realizes a self-healing strategy simulation function in the distribution network dispatcher training simulation system, and realizes a manual, automatic, and semi-automatic control mode of a self-healing power recovery operation scheme according to the distribution network automation master station system.
The system function architecture is shown in fig. 2, the data interaction process is shown in fig. 3, the integrated server provides the functions of the system support platform, and the monitoring simulation data module performs data exchange with the integrated server through a switch by using the existing technology.
Referring to fig. 4, a configuration network DTS function adding hardware architecture of the present embodiment is shown in fig. 4.
The distribution network DTS function adding hardware deployment description is shown in Table 1:
TABLE 1
| Serial number | Device name | Unit of | Number of | Use of |
| 1 | DTS server | Table (Ref. Table) | 2 | For deploying DTS functionality |
| 2 | DTS workstation | Table (Ref. Table) | 4 | For man-machine interaction simulation training |
| 3 | DTS switch | Table (Ref. Table) | 2 | For network access |
| 4 | Fire wall | Table (Ref. Table) | 1 | Network security protection for communication with I-zone |
Referring to fig. 5, in this embodiment, the self-healing policy of the distribution network adopts a main station local fusion type, the fault area location, the fault area isolation, and the fault upstream power restoration are implemented by using the established local feeder self-healing (voltage time type, level difference type, and intelligent distribution type), and the optimal power restoration of the fault downstream is implemented by using the feeder self-healing function of the distribution automation main station system based on the safety lockout condition and the priority principle of the power restoration policy.
From switch trip to decision switch position as in fig. 5: the switch trip + protection signal triggers the self-healing strategy to start,
1. first, fault location is required, including fault upstream boundary location and fault downstream boundary location.
The specific method for positioning the fault upstream boundary comprises the following steps:
(1) and collecting all over-current signals generated on the feeder line, including acquiring an automatic switch list and collecting signals, judging whether the over-current signals are permanent faults, and analyzing the most terminal over-current switch according to the upstream and downstream relation of power supply.
(2) If the tail end overcurrent switch is a branch position, determining the tail end overcurrent switch as a fault upstream boundary switch, and positioning a fault downstream boundary;
a. starting from an upstream boundary of a fault area, performing downstream expansion analysis, and judging a first downstream switch position behind the upstream boundary;
b. if the position is a point and the position is a load switch, the downstream switch is judged to be a fault downstream switch, whether a lock signal exists in a lower-level switch of the downstream switch is judged, and if the lock signal exists, a power supply switching scheme 1 is executed: switching on a ring network switch in a remote control mode; if no blocking signal exists, executing a power supply switching scheme 2: remotely switching on a fault downstream switch, remotely switching off the fault downstream switch and remotely switching on a ring network switch;
c. if the position is sum and breaker switch, judge for trouble low reaches switch, judge whether the switch of low reaches switch back end has blocking signal, if have blocking signal then carry out and change power supply scheme 1: remotely disconnecting the downstream switch, switching on the looped network switch, and remotely switching on the switch of the locking signal; if no blocking signal exists, executing a power supply switching scheme 2: and remotely disconnecting the downstream switch and switching on the looped network switch.
And (4) marking fault signs on the equipment encountered in the analysis process so as to provide a human-computer interface for flashing and marking lightning symbols for displaying fault areas.
(3) If the tail end overcurrent switch is in the closed position, judging the number of locking signals received by the master station;
a. if the number of the locking signals received by the master station is more than 1, analyzing a fault downstream boundary switch according to the upstream and downstream relation of power supply, and executing a power supply switching scheme: and switching on the ring network switch in a remote control mode.
b. If the number of the locking signals received by the master station is equal to 1 and the front section of the locking switch is not provided with a separating switch, judging that the locking signal switch is sent out to be a fault upstream boundary switch and the locking signal of the downstream switch is lost, and executing a power supply switching scheme: remotely switching on a fault downstream switch, remotely switching off the fault downstream switch and remotely switching on a ring network switch;
2. in the power supply transferring and self-healing scheme, load transfer is required, and the specific process of the load transfer is as follows:
(1) and (4) calculating the current of the downstream boundary of the fault area, and completely transferring the load required by the area to be transferred.
(2) And analyzing the residual load of each standby power supply point, and only the power supply point which can completely take the area to be recovered can be supplied. The residual load calculation mode is as follows: the supply path is traced back from the tie switch.
(3) If the residual capacity of the standby power supply point is larger than the power-losing load of the fault area, the switching-on can be completed by directly switching on the power supply.
If the standby power supply point is not used, the region to be restored is divided into a plurality of sub-regions, each power supply point analyzes the sub-region which can be switched, if the standby power supply point is left, the power supply point continues to be switched until the standby power supply point is used up, and the next power supply point is used for analyzing and calculating until the power supply is completely restored or the standby power supply is completely used up.
The power transfer priority principle one: and the feeder line hung with the power protection board cannot transfer power to the area to be restored without the power protection board.
A power transfer priority principle two: and preferentially using the power supply point with the highest residual load for transfer according to the arrangement of the residual load of the opposite terminal from high to low.
Specifically, the fault setting workstation in this embodiment is used for artificially setting a hypothetical fault in a simulation state, and by simulating a set fault scene, issuing or assigning simulated fault data to each simulated power distribution terminal, the simulated power distribution terminals can trigger a fault event according to the fault data, and cooperate with a power distribution SCADA of a master station system and a feeder automation self-healing policy to complete a power distribution automation function consistent with a real environment.
In this embodiment, the fault simulation process includes:
(1) the data simulation module respectively calculates different operation modes and fault scenes of the distribution network according to the actual topological structure, equipment and software parameters of the distribution network, and the calculated data are matched with the real electrified condition of the distribution network;
(2) after the simulation power distribution terminal is triggered according to fault data, the power distribution automation function executed by the training simulation system is consistent with that of real electrification, and the functions of power distribution SCADA, feeder automation and the like are also executed;
(3) in the whole fault simulation process, the running state of the distribution network and related power grid topological parameters can be dynamically presented to a distribution network dispatcher participating in training in real time;
(4) in the process of fault simulation, the self-healing strategy simulation module generates a corresponding self-healing power restoration operation scheme according to different fault events set by a fault workstation. The dispatcher participating in training can set the execution mode of the self-healing power restoration operation scheme through the self-healing strategy simulation module, can set the execution mode into a manual mode, an automatic mode, a semi-automatic mode and the like, and the operation record of the dispatcher is automatically recorded by the system and can be presented to the monitoring simulation data module.
The manual mode refers to the operation of fault isolation and non-fault area recovery performed manually by a dispatcher; the automatic mode is that the self-healing strategy simulation module automatically completes the operation of fault isolation and non-fault area recovery; the semi-automatic mode refers to the operation of fault isolation completed by the self-healing strategy simulation module, and the operation of non-fault area recovery manually completed by a dispatcher.
(5) The fault setting workstation has an initialization function, and can initialize or reset the running states of the distribution network master station system and the simulation terminal at any time in the training simulation process.
Referring to fig. 6, the following is a first embodiment of a simulation method for training distribution network dispatchers, including:
step S100: the simulation terminal triggers a fault event according to fault data, wherein the fault data are acquired from the fault setting workstation, and the simulation terminal is acquired by performing pre-access simulation by a pre-access simulation module;
step S200: the protection simulation module generates corresponding protection signals according to fault data and power distribution network data and acts, wherein the power distribution network data are acquired from the distribution network master station system;
step S300: the data simulation module sends out a corresponding equipment signal according to the protection signal;
step S400: the self-healing strategy simulation module acquires the protection signal and the equipment signal, starts a self-healing strategy to generate a corresponding self-healing power restoration operation scheme, and sends the self-healing power restoration operation scheme to the dispatcher training workstation; and the self-healing strategy is acquired from the distribution network main station system.
In the embodiment, the simulation power distribution terminals are acquired from a distribution network master station system by a data simulation module, the preposed access simulation module is accessed to each simulation power distribution terminal, the fault setting workstation generates fault data, the fault data is issued or assigned to each simulation power distribution terminal, and the simulation power distribution terminals trigger fault events according to the fault data;
the monitoring simulation data module detects fault data, the equal distribution network data are set according to a distribution network model of the distribution network master station system, and the protection simulation module generates a protection signal and acts;
the data simulation module sends equipment signals such as switch tripping after protection action, and the self-healing strategy simulation module receives the equipment signals such as switch tripping and related protection signals, starts the self-healing strategy to generate a corresponding self-healing power restoration operation scheme, and the specific process is as follows:
(1) collecting an automatic switch list and related protection signals of a circuit through a data simulation module and a protection simulation module, and judging the fault type;
(2) the data simulation module provides an automatic switch locking signal (belonging to equipment signal), and the self-healing strategy simulation module performs logic analysis on the upstream and downstream switches of the fault to judge the fault range;
(3) the data simulation module provides load data of a line before a fault, calculates the load conditions of a non-fault area and a transfer line, and generates a corresponding self-healing power restoration operation scheme;
in this embodiment, the self-healing policy simulation module generates a corresponding self-healing power restoration operation scheme according to different fault events set by the fault setting workstation and sends the self-healing power restoration operation scheme to the dispatcher training workstation. The dispatcher who participates in training sets the execution mode of the self-healing power restoration operation scheme through the self-healing strategy simulation module, the execution mode can be set to a manual mode, an automatic mode, a semi-automatic mode and the like, the operation record of the dispatcher is automatically recorded by the system and presented to a dispatcher training workstation, and the dispatcher selects the optimal scheme to execute.
Referring to fig. 7, the following is a second embodiment of the distribution network dispatcher training simulation method according to the present invention, which is different from the first embodiment in that a step of "triggering a fault event by a simulation terminal according to fault data" is performed, a task list of the fault event is established by a dispatcher training workstation, the fault event is set by a fault setting workstation to obtain corresponding fault data, and the fault event is triggered by the dispatcher training workstation according to a fault time in the fault data.
This embodiment combines together distribution network main website system and distribution network dispatcher training simulation system through control simulation data module, can truly reflect the actual conditions on-the-spot, more helps dispatcher's actual combat training, and the specific operation flow that triggers the fault event in this embodiment is:
s1: and starting a dispatcher training workstation, selecting power distribution network data (including data such as a power grid model and an operation mode) from a power distribution network master station system by a teacher through a teacher platform module, and establishing a task list of fault events. The fault events can be edited manually, can be stored by a fault event list in successful training at a certain time, or can be added or deleted by intercepting the real fault event data section import in the power grid operation, and the fault event sequence can be adjusted. The fault event list has the functions of reading, saving, deleting, classifying, managing and the like.
S2: starting a fault setting workstation, setting a fault event through an established network topology structure in the fault setting workstation to obtain corresponding fault data, wherein the fault data can include but is not limited to: the system comprises a fault route, specific fault points, fault time, fault types, power grid operation data, protection signals, switching signals and the like, and can simulate various application scenes. For example, in a simulation state, the system can automatically start dynamic topology analysis by pulling and closing any switch, dynamically color lines and equipment, and realize analysis of a simulated power failure range; faults of equipment such as a switch station, a ring main unit, a distribution room, a distribution network line and the like can also be simulated manually, and the correctness of a system model and the rationality of processing results of various faults can be detected.
S3: and the dispatcher training workstation triggers the fault event according to the fault time in the fault data.
In this embodiment, a teacher establishes a task list of fault events through a dispatcher training workstation (teacher station module), sets the fault events through a fault setting workstation to obtain corresponding fault data, and generates a complete fault location, isolation and non-fault area switching strategy when performing local fusion fault processing by using a master station, so that a student can perform principle training analysis of a feeder self-healing function.
Referring to fig. 8, a third embodiment of the distribution network dispatcher training simulation method is described below, and based on the second embodiment, a trainee generates a trainee self-healing and power-restoration operation scheme and performs self-healing operation through a dispatcher training workstation, a system records the self-healing operation process of the trainee, compares the trainee self-healing and power-restoration operation scheme with a built-in standard self-healing and power-restoration operation scheme of the system, and scores and evaluates the self-healing operation of the trainee.
In this embodiment, the instructor lets the student simulate distribution terminal signal and provide student's self-healing and power restoration operation scheme through only setting up the mode of fault event, and specific content includes: the system records all the operations of the trainees according to the fault range judgment condition, the fault positioning time, the fault positioning accuracy, the fault isolation operation steps, the load transfer scheme correctness, the optimality, all the operation time and the like after the trainees find the faults, and then compares and scores according to the standard self-healing power restoration operation scheme condition built in the training simulation system.
Referring to fig. 9, a fourth embodiment of the distribution network dispatcher training simulation method according to the present invention is described below, where on the basis of the first embodiment, a fault event is not constructed, but fault data is simulated by a fault setting workstation, and a trainee determines a corresponding fault event according to a self-healing power restoration operation scheme generated by the system.
In the embodiment, a teacher establishes a task list of fault events through a teacher platform module of a dispatcher training workstation, the fault events are set through a fault setting workstation to obtain corresponding fault data, the fault setting workstation issues the fault data to a simulation power distribution terminal, the monitoring simulation data module detects the fault data, according to power distribution network data such as a power distribution network model acquired from a power distribution network master station system, a protection simulation module generates a protection signal and acts, the data simulation module sends out equipment signals such as switching tripping after the protection acts, a student simulates a self-healing strategy through an operator human-computer interface of the dispatcher training workstation, and a student self-healing and power-restoration operation scheme is generated to carry out self-healing operation. In the fault simulation process of the distribution network dispatcher, the training simulation system automatically records the operation and presents the operation to a dispatcher training workstation; the student operation evaluation module of the dispatcher training workstation records the operation of the student, and scores the operation of the student in the training by comparing with a built-in standard self-healing power restoration operation scheme, wherein the built-in standard self-healing power restoration operation scheme is an optimal self-healing power restoration operation scheme generated by the training simulation system according to a self-healing strategy.
In the embodiment, a teacher skips the process of establishing a fault event, namely the teacher does not establish a task list of the fault event through a teacher desk module, the teacher directly simulates fault data through a fault setting workstation, the fault data is written into a protection simulation module, the protection simulation module generates protection signals and acts, after protection acts, the data simulation module sends out equipment signals such as switch tripping and the like, the self-healing strategy simulation module receives the equipment signals such as switch tripping and the like and related protection signals, starts a self-healing strategy, generates a corresponding self-healing power-restoration operation scheme and sends the self-healing power-restoration operation scheme to a dispatcher training workstation; and the student judges a corresponding fault event by operating a human-computer interface of a dispatcher training workstation according to the self-healing power restoration operation scheme.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the embodiments provided in the present application, it should be understood that the disclosed system, apparatus and method may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed 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 can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present 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 solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. The utility model provides a distribution network dispatcher trains analog system, its characterized in that, train analog system and distribution network main website system link to each other, train analog system includes:
the system comprises a dispatcher training workstation, a monitoring simulation data module and a fault setting workstation which are in communication connection;
the dispatcher training workstation establishes an interaction mode between a teacher and a student and simulates a working mode of dispatching and running of a distribution network;
the monitoring simulation data module acquires data from the distribution network master station system to simulate the real environment of the distribution network and carries out self-healing simulation operation;
the monitoring simulation data module comprises:
the system comprises a data simulation module, a protection simulation module, a terminal simulation module, a preposed access simulation module and a self-healing strategy simulation module;
the data simulation module simulates power grid operation data;
the protection simulation module carries out protection simulation on the fault event triggering simulation protection action;
the terminal simulation module simulates the power distribution terminal;
the preposed access simulation module carries out preposed access simulation on a simulation terminal, and the simulation terminal comprises a simulation power distribution terminal;
the self-healing strategy simulation module acquires a self-healing strategy of the distribution network master station system and generates corresponding self-healing and power-restoration operation schemes according to different fault events;
and the fault setting workstation is used for simulating a fault event of the distribution network.
2. The distribution network dispatcher training simulation system of claim 1, wherein the self-healing policy simulation module is further configured to:
setting an execution mode of the self-healing power restoration operation scheme, wherein the execution mode comprises a manual mode, an automatic mode and a semi-automatic mode;
the manual mode refers to the operation of fault isolation and non-fault area recovery performed manually by a dispatcher; the automatic mode is that the self-healing strategy simulation module automatically completes the operation of fault isolation and non-fault area recovery; the semi-automatic mode refers to the operation of fault isolation completed by the self-healing strategy simulation module, and the operation of non-fault area recovery manually completed by a dispatcher.
3. The distribution network dispatcher training simulation system of claim 1, wherein the dispatcher training workstation comprises:
the teacher platform module is used for providing a teacher to establish initial conditions to form fault events;
the student platform module is used for a student to perform simulation operation according to the fault event and complete the fault event by combining the power grid information of the monitoring simulation data module;
the training control module is used for realizing the control of the training process;
and the operation evaluation module is used for evaluating the simulation operation of the trainees according to the evaluation system of the distribution network dispatching training simulation system after the simulation operation of the trainees is finished.
4. The distribution network dispatcher training simulation system of claim 1, wherein the troubleshooting workstation is further configured to:
and initializing the training simulation system and the simulation terminal.
5. A distribution network dispatcher training simulation method applied to the distribution network dispatcher training simulation system of any one of claims 1 to 4, and characterized by comprising the following steps:
the simulation terminal triggers a fault event according to fault data, wherein the fault data are acquired from the fault setting workstation, and the simulation terminal is acquired by performing pre-access simulation by a pre-access simulation module;
the protection simulation module generates corresponding protection signals according to fault data and power distribution network data and acts, wherein the power distribution network data are acquired from the distribution network master station system;
the data simulation module sends out a corresponding equipment signal according to the protection signal;
the self-healing strategy simulation module acquires the protection signal and the equipment signal, starts a self-healing strategy to generate a corresponding self-healing power restoration operation scheme, and sends the self-healing power restoration operation scheme to the dispatcher training workstation; and the self-healing strategy is acquired from the distribution network main station system.
6. The distribution network dispatcher training simulation method of claim 5, further comprising:
the self-healing strategy simulation module sets execution modes of the self-healing power restoration operation scheme, wherein the execution modes comprise a manual mode, an automatic mode and a semi-automatic mode;
the manual mode refers to the operation of fault isolation and non-fault area recovery performed manually by a dispatcher; the automatic mode is that the self-healing strategy simulation module automatically completes the operation of fault isolation and non-fault area recovery; the semi-automatic mode refers to the operation of fault isolation completed by the self-healing strategy simulation module, and the operation of non-fault area recovery manually completed by a dispatcher.
7. The distribution network dispatcher training simulation method according to claim 5, wherein the self-healing strategy simulation module obtains the protection signal and the equipment signal, and starts a self-healing strategy to generate a corresponding self-healing power restoration operation scheme specifically comprises:
and the self-healing strategy simulation module judges the fault type according to the protection signal, judges the fault range according to the equipment signal, calculates the load conditions of a non-fault area and a transfer line according to the load data of the line before the fault, and generates the self-healing power restoration operation scheme.
8. The distribution network dispatcher training simulation method of claim 5, wherein before the simulation terminal triggers the fault event according to the fault data, the method further comprises:
starting a dispatcher training workstation, acquiring power distribution network data from a distribution network master station system through a teacher station module, and establishing a task list of fault events;
and starting a fault setting workstation, setting the fault event to obtain fault data, and sending the fault data to the simulation terminal.
9. The distribution network dispatcher training simulation method of claim 8, further comprising:
obtaining a student self-healing operation scheme according to the dispatcher training workstation, and performing self-healing operation according to the student self-healing operation scheme;
the operation evaluation module records the self-healing operation of the student, compares the self-healing operation with a built-in standard self-healing operation scheme and scores the operation of the student; the standard self-healing operation scheme is an optimal self-healing power recovery operation scheme in the training simulation system.
10. The distribution network dispatcher training simulation method of claim 5, wherein the protection simulation module generates a corresponding protection signal according to the fault data and the distribution network data and before the action further comprises:
and simulating fault data according to a fault setting workstation, and writing the fault data into the protection simulation module.
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