Device control method, device, equipment, medium and system

By reviewing the operation control strategy of the substation and generating remote control commands, the problem of incorrect automatic voltage control decisions in the substation is solved, and accurate voltage control is achieved.

CN114006474BActive Publication Date: 2025-04-04GUANGDONG POWER GRID CO LTD +1
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Patent Information

Application Number
CN202111281657.6
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2021-11-01
Publication Date
2025-04-04
Estimated Expiration
2041-11-01

AI Technical Summary

Technical Problem

The prior art cannot guarantee the correctness of the calculation and decision-making of automatic voltage control of substations, resulting in equipment damage.

Method used

By obtaining the operation control strategy of the substation, reviewing it, and generating remote control commands when the audit is passed, and sending them to the operation system of the substation to achieve accurate control of the voltage.

Benefits of technology

It solves the problem that automatic voltage control cannot be accurately implemented, and accurately control the voltage, avoiding equipment damage.

✦ Generated by Eureka AI based on patent content.

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Abstract

The embodiment of the present invention discloses a device control method, apparatus, equipment, medium and system. The method comprises: obtaining the operation control strategy of the current substation and reviewing the operation control strategy; when the operation control strategy is reviewed and approved, reviewing the device remote adjustment and remote control information of the device corresponding to the operation control strategy; when the device remote adjustment and remote control information is reviewed and approved, generating a remote adjustment and remote control instruction and sending it to the operation system of the current substation to respond to the remote adjustment and remote control instruction. The embodiment of the present invention improves the accuracy of voltage control.
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Description

Technical Field

[0001] The embodiments of the present invention relate to an automatic voltage control technology for an electric power system, and more particularly to an equipment control method, device, equipment, medium and system. Background Art

[0002] The Automatic Voltage Control (AVC) system is an important means to achieve safe (improving voltage stability margin), economical (reducing network losses) and high-quality (improving voltage compliance rate) operation of the power grid.

[0003] Currently, automatic voltage control can be achieved by dividing the equipment in the substation to form a control unit, and controlling the equipment in the substation through the control unit.

[0004] However, this method cannot guarantee the correctness of the calculation and decision-making of the automatic voltage control substation. Once the decision is wrong, it will cause damage to the equipment. Summary of the invention

[0005] Embodiments of the present invention provide a device control method, apparatus, device, medium and system to achieve accurate control of voltage.

[0006] In a first aspect, an embodiment of the present invention provides a device control method, including:

[0007] Obtaining the operation control strategy of the current substation and reviewing the operation control strategy;

[0008] When the operation control strategy is approved, the remote control information of the equipment corresponding to the operation control strategy is reviewed;

[0009] When the remote adjustment and remote control information of the equipment is reviewed and approved, a remote adjustment and remote control instruction is generated and sent to the operation system of the current substation to respond to the remote adjustment and remote control instruction.

[0010] In a second aspect, an embodiment of the present invention further provides a device control apparatus, the device comprising:

[0011] An operation control strategy review module is used to obtain the operation control strategy of the current substation and review the operation control strategy;

[0012] A remote control information review module is used to review the remote control information of the equipment corresponding to the operation control strategy when the operation control strategy is reviewed and approved;

[0013] The remote control instruction sending module is used to generate a remote control instruction when the remote control information of the equipment is reviewed and approved, and send it to the operation system of the current substation to respond to the remote control instruction.

[0014] In a third aspect, an embodiment of the present invention further provides a computer device, comprising a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein when the processor executes the program, the device control method as described in any embodiment of the present invention is implemented.

[0015] In a fourth aspect, an embodiment of the present invention further provides a computer-readable storage medium having a computer program stored thereon, wherein the program, when executed by a processor, implements the device control method as described in any embodiment of the present invention.

[0016] In a fifth aspect, an embodiment of the present invention further provides an equipment control system, comprising: an operation system of a substation and a computer device for executing the equipment control method according to any one of the embodiments of the present invention, wherein the computer device is connected to the operation system through a network;

[0017] The computer device is used to generate remote control instructions and send them to the operating system;

[0018] The operating system is used to respond to the remote adjustment and remote control instructions to perform automatic voltage control.

[0019] The technical solution provided by the embodiment of the present invention verifies and reviews the operation control strategy and the control equipment involved after obtaining the operation control strategy of the substation, and generates a remote control instruction when the audit is passed, instructing the operation system of the current substation to respond to the remote control instruction, thereby solving the problem of being unable to accurately implement automatic voltage control and achieving accurate control of voltage. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 A flow chart of a device control method is provided for the first embodiment of the present invention;

[0021] Figure 2 A flow chart of a device control method is provided for Embodiment 2 of the present invention;

[0022] Figure 3a A flow chart of a device control method is provided for Embodiment 3 of the present invention;

[0023] Figure 3b A flow chart of a device control method is provided for Embodiment 3 of the present invention;

[0024] Figure 3c A flow chart of a device control method is provided for Embodiment 3 of the present invention;

[0025] Figure 4 A fourth embodiment of the present invention provides a structural block diagram of a device control device;

[0026] Figure 5 A fifth embodiment of the present invention provides a schematic diagram of the structure of a computer device;

[0027] Figure 6 A seventh embodiment of the present invention provides a schematic diagram of the structure of a device control system;

[0028] Figure 7 A structural schematic diagram of a substation system is provided for Embodiment 7 of the present invention. DETAILED DESCRIPTION

[0029] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the present invention, rather than to limit the present invention. It should also be noted that, for ease of description, only parts related to the present invention, rather than all structures, are shown in the accompanying drawings.

[0030] Embodiment 1

[0031] Figure 1 This is a flow chart of a device control method provided in Embodiment 1 of the present invention. This embodiment is applicable to the case where a substation performs automatic voltage control. The method can be executed by a device control device, which can be implemented in software and / or hardware. The device can be configured in a terminal device or a server. The method specifically includes:

[0032] S110. Obtain the operation control strategy of the current substation and review the operation control strategy.

[0033] Among them, a substation refers to a place in the power system that transforms voltage and current, receives electric energy and distributes electric energy. Its main functions include transforming voltage, distributing electric energy, controlling the flow of electric energy and adjusting voltage.

[0034] Among them, the control strategy refers to the strategy and method for controlling a certain system or instrument. In the substation, the control strategy refers to the strategy of selecting the main transformer tap in the substation for gear adjustment or the capacitor reactor for switching. The main transformer tap is the tap on the primary or secondary coil of the transformer, which is used to adjust the secondary voltage. According to the magnetic field theory, the voltage ratio on both sides of the transformer is proportional to the turn ratio of the two coils, so adjusting the number of coil turns can adjust the secondary voltage, and the tap is used to adjust the number of coil turns. Among them, the control strategy includes open-loop control strategy, semi-closed-loop control strategy and closed-loop control strategy. Among them, the open-loop control strategy refers to the strategy recommendation for outputting the device to be controlled. The operation control strategy refers to the control strategy of the system automatically controlling the substation. Reviewing the operation control strategy means detecting whether the operation control strategy is accurate. According to the type of operation control strategy, the operation control strategy can be reviewed using the review method corresponding to the type.

[0035] Among them, the operation control strategy includes a semi-closed-loop control strategy and a closed-loop control strategy; the operation control strategy is reviewed, including: sending the semi-closed-loop control strategy to the review terminal for review, and when the review terminal passes the review, conducting a timeout review on the execution time of the semi-closed-loop control strategy; and conducting a timeout review on the execution time of the closed-loop control strategy.

[0036] The semi-closed-loop control strategy refers to giving an operation control strategy and sending a remote control and remote adjustment command through the operation system of the current substation after confirmation by the monitoring personnel or by the monitoring personnel and the dispatching personnel. The closed-loop control strategy refers to giving an operation control strategy and sending a remote control and remote adjustment command through the operation system of the current substation. The remote control and remote adjustment command refers to remote control of some remote switch control devices and remote debugging of remote control quantities, wherein the switch control device includes at least one of the following: circuit breaker, reactive power compensation device, power regulating device, on-load voltage-regulating transformer tap, hydro-turbine generator and thermal power unit, etc. In an embodiment of the present invention, the switch control device includes a transformer tap or a capacitive reactor, etc.

[0037] In addition, obtaining the operation control strategy of the current substation includes: setting parameters in the strategy calculation server, the parameters at least include the automatic voltage control cycle, the current control mode of the system, the strategy status check cycle and the strategy timeout time interval; when the automatic voltage control cycle arrives, at least read the power grid model and real-time measurement data from the monitoring system, construct a complete topology structure, and form a control unit, wherein the topology structure includes various devices in the substation and the connection relationship between the devices; according to the real-time data of the equipment in the control unit, generate the operation control strategy of all control units. The monitoring system of the substation, also known as the SCADA (Supervisory Control And Data Acquisition) system, is responsible for the collection of all measurement data information in the substation. These measurement information are collected in the monitoring system, and are correspondingly associated with the corresponding equipment, and displayed on the display screen for the dispatcher to monitor the operation of the substation. At the same time, these measurement data can also be packaged and provided to other module applications for use. For example, AVC needs basic data collected from the substation when performing calculations, and the source of the basic data collected from the substation is not directly collected from the actual equipment of the substation, but the measurement data of the substation obtained from the SCADA system.

[0038] In addition, the audit terminal is used to manually audit the operation control policy. The timeout audit is used to determine whether the processing time of the operation control policy is too long, specifically to determine whether the time difference between the current time and the policy generation time is less than the policy timeout time interval. If it is less than the policy timeout time interval, it means that it has not timed out, otherwise it has timed out. If it does not time out, the operation control policy will continue to be processed. If it times out, the operation control policy will not continue to be processed, and the operation control policy will be discarded, and the user will be prompted. In an embodiment of the present invention, the status of the operation control policy is configured to indicate whether the audit is passed, for example, whether the audit terminal has passed the audit or whether the timeout audit has passed. At the same time, the current status of the operation control policy is updated according to the audit situation.

[0039] By manually reviewing the operation control strategy, the semi-closed-loop control strategy can be manually confirmed, and a timeout review can be conducted on the semi-closed-loop control strategy and the closed-loop control strategy. The control strategy can be reviewed, and the processing time of the semi-closed-loop control strategy and the closed-loop control strategy can be confirmed. Reviewing the operation control strategy from both the manual dimension and the time dimension can improve the accuracy of the operation control strategy and achieve accurate control of voltage adjustment.

[0040] S120. When the operation control strategy is approved, the remote control information of the equipment corresponding to the operation control strategy is reviewed.

[0041] Among them, the equipment corresponding to the operation control strategy includes the main transformer tap changer and / or the capacitor reactor. In the substation, by selecting the main transformer tap changer or the capacitor reactor switching, the reactive power distribution in the substation is changed, thereby achieving the purpose of voltage regulation. The equipment remote adjustment and remote control information review is used to determine whether to issue a remote adjustment and remote control command to control the equipment corresponding to the operation control strategy.

[0042] Among them, the equipment remote adjustment and remote control information of the equipment corresponding to the operation control strategy is reviewed, including: querying the equipment remote adjustment and remote control information of the equipment corresponding to the operation control strategy in the operation system of the current substation; when the equipment remote adjustment and remote control information of the corresponding equipment is queried, determining that the equipment remote adjustment and remote control information has been reviewed and approved.

[0043] The current substation operation system is responsible for the collection of all measurement data information within the substation. These measurement information are collected in the monitoring system, and are associated with the corresponding equipment, and displayed on the display screen for the dispatcher to monitor the operation of the substation. The equipment remote control information of the equipment corresponding to the operation control strategy includes at least the remote control point number, RTU number (Remote Terminal Unit) and link number, and remote control instructions can be generated based on the information. Querying the equipment remote control information of the equipment corresponding to the operation control strategy in the current substation operation system means reading the equipment remote control information from the current substation operation system. Equipment remote control information review is used to detect whether the equipment remote control information is complete in order to generate remote control instructions.

[0044] It should be noted that determining whether the equipment remote control information has been approved means that the corresponding equipment remote control information can be read from the power grid monitoring, otherwise it has not been approved. The state of the operation control strategy configured in the embodiment of the present invention can also be used to indicate whether the equipment remote control information has been approved, and the current state of the operation control strategy is updated according to whether the equipment remote control information has been approved. If the equipment remote control information has been approved, it indicates that the equipment remote control information can be extracted from the current substation operation system to generate remote control instructions; if the equipment remote control information has not been approved, it indicates that the equipment remote control information extracted from the current substation operation system is empty or incomplete, and the remote control instructions cannot be generated, and thus the current substation operation system cannot be controlled, and voltage control cannot be achieved.

[0045] By reviewing the remote control and telemetry information of the equipment, it is ensured that the remote adjustment and telemetry instructions can be accurately generated and the normal operation of the current substation operation system can be guaranteed.

[0046] S130. When the remote control information of the equipment is reviewed and approved, a remote control instruction is generated and sent to the operation system of the current substation to respond to the remote control instruction.

[0047] Among them, the remote control and remote control instructions are used to control the switch control equipment in the operating system of the current substation, specifically to control the transformer tap or capacitor reactor in the operating system of the current substation. Responding to the remote control and remote control instructions means that the operating system executes the remote control and remote control instructions after the remote control and remote control instructions are sent to the operating system of the current substation. It is also possible to detect whether the operating system of the current substation successfully receives the remote control and remote control instructions, and whether it successfully responds to the remote control and remote control instructions. The state of the operation control strategy configured in the embodiment of the present invention can also be used to indicate whether the remote control and remote control instructions are successfully received and whether the remote control and remote control instructions are successfully responded to. The current state of the operation control strategy is updated according to whether the operating system of the current substation successfully receives the remote control and remote control instructions and whether it successfully responds to the remote control and remote control instructions.

[0048] The technical solution provided by the embodiment of the present invention verifies and reviews the operation control strategy and the control equipment involved after obtaining the operation control strategy of the substation, and generates a remote control instruction when the audit is passed, instructing the operation system of the current substation to respond to the remote control instruction, thereby solving the problem of being unable to accurately implement automatic voltage control and achieving accurate control of voltage.

[0049] On the basis of the above technical scheme, sending the semi-closed-loop control strategy to the audit terminal for audit can preferably include: obtaining the management authority of the current substation; when it is determined that the management authority is the monitoring authority, sending the semi-closed-loop control strategy to the monitoring terminal for audit, and determining the audit result of the audit terminal according to the audit result fed back by the monitoring terminal; when the management authority is the dispatching authority, sending the semi-closed-loop control strategy to the monitoring terminal for audit, and when the monitoring terminal passes the audit, sending the semi-closed-loop control strategy to the dispatching terminal for audit, and determining the audit result of the audit terminal according to the audit result fed back by the dispatching terminal.

[0050] Among them, the current management authority of the substation can be read from the control unit, and the management authority includes monitoring authority and dispatching authority. Monitoring authority means that the monitoring personnel can debug and monitor the remote control quantity. Dispatching authority means that the dispatching personnel can control some remote switch control devices.

[0051] Audit terminals include monitoring terminals and dispatch terminals; monitoring terminals refer to working equipment provided for monitoring personnel, which can be used to debug and monitor remote control quantities; dispatch terminals refer to working equipment provided for dispatch personnel, which can be used to control some remote switch control equipment, etc. Audit terminal audit refers to the audit of the current status of the strategy, that is, the monitoring personnel or dispatch personnel use the monitoring terminal or dispatch terminal to select confirmation or cancellation of the received operation control strategy information, and the terminal feeds back the selection result to the control unit, which updates the strategy status according to the selection result.

[0052] By configuring different management permissions for substations, reviewing semi-closed-loop control strategies under different management permissions, and subdividing the review methods of semi-closed-loop control strategies, the review flexibility of semi-closed-loop control strategies can be increased, adapting to different application scenarios, improving the correctness of operation control strategies, and achieving accurate voltage control.

[0053] Embodiment 2

[0054] Figure 2A flow chart of a device control method provided for the second embodiment of the present invention. Based on the above embodiments, this embodiment preferably further adds the following steps before obtaining the operation control strategy of the current substation: obtaining the control mode associated with the current substation; the control mode includes at least one of the following: the control mode of the automatic control system, the control mode of the current substation in the automatic control system, and the control mode of the device to be controlled in the current substation in the automatic control system, and the device to be controlled includes a main transformer tap changer or a capacitor reactor; a control mode is selected from each control mode and determined as a target control strategy for the device to be controlled; the target control strategy includes an operation control strategy or an open-loop control strategy; when the target control strategy is determined to be an operation control strategy, the device to be controlled is determined to be a device corresponding to the operation control strategy. The specific method is as follows:

[0055] S210. Obtain a control mode associated with the current substation; the associated control mode includes at least one of the following: a control mode of an automatic control system, a control mode of the current substation of the automatic control system, and a control mode of a device to be controlled of the current substation of the automatic control system, wherein the device to be controlled includes a main transformer tap changer or a capacitive reactor.

[0056] Among them, obtaining the control mode associated with the current substation means reading the control mode associated with the current substation from the control unit, which includes at least the control modes of the system level, the station level and the equipment level, among which the control mode of the system level is the automatic control system (AVC), the control mode of the current substation in the station level is the AVC, and the control mode of the device to be controlled in the current substation in the equipment level is the AVC. In this embodiment, each associated control mode includes an open-loop control mode, a semi-closed-loop control mode and a closed-loop control mode. In this embodiment, the open-loop control mode has the highest priority, followed by the semi-closed-loop control mode, and finally the closed-loop control mode, but is not limited to this setting order.

[0057] S220, selecting a control mode from among the control modes and determining it as a target control strategy for the device to be controlled; the target control strategy includes an operation control strategy or an open-loop control strategy.

[0058] Among them, in this embodiment, selecting a control mode from each control mode means comparing each associated control mode of the control mode associated with the current substation, and selecting the one with the highest priority from each associated control mode, but it is not limited to this selection method. For example, in each associated control mode, as long as there is an open-loop control mode, the target control strategy is determined to be the open-loop control strategy; if each associated control mode has a semi-closed-loop control mode and a closed-loop control mode, the target control strategy is determined to be the semi-closed-loop control strategy; if each associated control mode is a control mode, the control strategy corresponding to the control mode is determined to be the target control strategy.

[0059] The target control strategy is a control strategy determined according to the control mode, and specifically may be an open-loop control strategy or an operating control strategy, wherein the operating control strategy includes a semi-closed-loop control strategy or a closed-loop control strategy.

[0060] In addition, the open-loop control strategy refers to providing analytical information of the control strategy and obtaining strategic control suggestions without issuing control instructions or controlling the equipment in the current substation's operating system.

[0061] Optionally, when it is determined that the target control strategy is an open-loop control strategy, log information is output.

[0062] Log information refers to the content of the operation control strategy. By outputting log information, the staff can clearly know the content of the operation control strategy, judge the accuracy of the operation control strategy, and make it easier for them to decide whether to control the equipment in the current substation operation system to achieve accurate voltage control.

[0063] S230: When it is determined that the target control strategy is the operation control strategy, the device to be controlled is determined as the device corresponding to the operation control strategy.

[0064] The device to be controlled is selected by the user. The device to be controlled is the main transformer tap and / or the capacitive reactor. The device to be controlled is the main transformer tap and the capacitive reactor, and the two devices can be controlled in turn.

[0065] The technical solution of this embodiment, by acquiring the control mode associated with the current substation, describes the control mode of the current substation from different angles, and by screening out a control mode from each control mode, determines the control strategy suitable for the operating system of the current substation, namely the target control strategy, and the equipment to be controlled of the current substation corresponding to the target control strategy, thereby increasing the diversity of the control modes of the equipment to be controlled in the current substation and ensuring accurate voltage control.

[0066] Embodiment 3

[0067] Figure 3a-3cThis is a flow chart of a device control method provided in Embodiment 3 of the present invention. Based on the above embodiments, this embodiment describes the device control method through a specific embodiment, but is not limited to the case of this embodiment.

[0068] A device control method of this embodiment includes the following steps:

[0069] 1) In the strategy calculation server, the automatic voltage control period T is set in the strategy calculation thread c , set the control mode to 1 for open loop, 2 for semi-closed loop, and 3 for closed loop, and record the current control mode C of the system Sys , set the strategy status check cycle T in the strategy verification execution thread s , and T s <T c , set the policy timeout interval T out ;

[0070] 2) When the automatic voltage control cycle arrives, the strategy calculation thread generates an operation control strategy, as follows Figure 3a-3c As shown, the specific process includes:

[0071] 2.1) Read the grid model and real-time measurement data from the current substation operation system, including bus voltage measurement, switch status, transformer active and reactive power measurement, and reactive power measurement of capacitor reactors, etc., to construct a complete substation topology and form a substation control unit;

[0072] 2.2) Generate the operation control strategy of all control units based on the real-time data of the equipment in the control unit, including the following steps:

[0073] 2.2.1) If the control unit U i If the internal bus voltage or main transformer power factor exceeds the limit and there is a controllable device, the control unit strategy S is generated. j , where U i ∈St m , St m For control unit U i Substation where it is located; select device D k Control, where if D k If the main transformer tap is used, the gear is adjusted. k If it is a capacitive reactor, it is switched on; the strategy generation time is set as Record the current control mode of the substation Control unit current control mode Control mode of the equipment to be controlled in the current substation Set the substation management authority, where monitoring management is represented by 1, and dispatching management is represented by 2, and record the substation management authority

[0074] 2.2.2) Initialize the current state of the strategy

[0075] 2.2.3) Check the strategy operation type, let That is, the operation type of the strategy takes the minimum value among AVC, the current substation in AVC, and the control mode of the device to be controlled in the current substation in AVC;

[0076] 2.2.4) Update the current state of the strategy, if Then That is, the current state of the strategy is "open loop, waiting to be released"; if Then That is, the current state of the strategy is "semi-closed loop, pending confirmation"; if Then That is, the current status of the strategy is "closed loop, pending execution";

[0077] 3) When the strategy status check cycle arrives, the strategy verification execution thread processes the existing operation control strategy, including the following steps:

[0078] 3.1) Verify the current status of the operation control strategy;

[0079] 3.1.1) If The operation control strategy content is output as log information, and the current state of the operation control strategy is updated. That is, the current policy status is "open loop, released";

[0080] 3.1.2) If Then check the corresponding power station management authority

[0081] 3.1.2.1) If That is, the management authority of the station belongs to monitoring, then the strategy verification execution thread sends the semi-closed-loop control strategy to the monitoring terminal dispatch terminal in the form of a message and pops up a semi-closed-loop control strategy confirmation window, and the monitoring personnel choose to confirm or cancel. If the monitoring personnel confirms the execution of the semi-closed-loop control strategy, the update That is, the current state of the strategy is "semi-closed loop, monitoring confirmed"; if the monitoring personnel cancel the strategy execution, then update That is, the current state of the strategy is "semi-closed loop, monitoring has been canceled"; the monitoring terminal returns the strategy state result to the strategy verification execution thread;

[0082] 3.1.2.2) If That is, the station management authority belongs to scheduling, then the strategy verification execution thread sends the semi-closed-loop control strategy to the monitoring terminal in the form of a message and pops up a semi-closed-loop control strategy confirmation window, which is confirmed and updated by the monitoring personnel That is, the current state of the strategy is "semi-closed loop, monitoring confirmed, waiting for scheduling confirmation"; the monitoring terminal returns the strategy state result to the strategy verification execution thread;

[0083] 3.1.3) If Then check whether the semi-closed loop control strategy has timed out, and record the current time t Now ,like Then go to step 3.2), otherwise update That is, the current state of the strategy is "timeout abandonment";

[0084] 3.1.4) If The strategy verification execution thread sends the semi-closed-loop control strategy to the dispatch terminal in the form of a message and pops up a semi-closed-loop control strategy confirmation window. The dispatcher chooses to confirm or cancel. If the dispatcher confirms the strategy execution, the update That is, the current state of the strategy is "semi-closed loop, scheduling confirmed"; if the dispatcher cancels the execution of the semi-closed loop control strategy, the update That is, the current state of the strategy is "semi-closed loop, scheduling has been canceled"; the scheduling terminal returns the strategy state result to the strategy verification execution thread;

[0085] 3.1.5) If Then check whether the semi-closed loop control strategy has timed out, and record the current time t Now ,like Then go to step 3.2), otherwise update That is, the current state of the strategy is "timeout abandonment";

[0086] 3.1.6) If Then check whether the closed-loop control strategy has timed out and record the current time t Now ,like Then go to step 3.2), otherwise update That is, the current state of the strategy is "timeout abandonment";

[0087] 3.2) Verify equipment remote control information, including:

[0088] 3.2.1) When device D k For the main transformer tap, if the remote adjustment point number, RTU number, and link number of the device can be read from the current substation operation system to form a remote adjustment instruction, then go to step 3.3); otherwise, update That is, the current status of the policy is "failed to send";

[0089] 3.2.2) When device D k For a capacitive reactor, if the remote control point number, RTU number, and link number of the corresponding switch of the device can be read from the current substation operation system to form a remote control instruction, then go to step 3.3); otherwise, update That is, the current status of the policy is "failed to send";

[0090] 3.3) Send remote control instructions to the current substation operation system. If the front-end system responds to the successful receipt of the instruction, update If the current status of the policy is "successfully sent", then go to step 3.4); otherwise, update That is, the current status of the policy is "failed to send";

[0091] 3.4) Wait for the remote control command execution result of the front system. If the execution is successful, update That is, the current status of the policy is "executed successfully"; otherwise, update That is, the current status of the strategy is "execution failed";

[0092] The technical solution of the embodiment of the present invention generates an operation control strategy by reading the power grid model and real-time measurement data, and verifies and executes the operation control strategy according to the control mode of the AVC, the current substation in the AVC, and the equipment to be controlled in the current substation in the AVC. In particular, the semi-closed-loop strategy is monitored and scheduled at two levels to ensure the correctness of the initial operation control strategy of the AVC, the current substation in the AVC, and the control equipment in the AVC when they are put into automatic voltage control.

[0093] Embodiment 4

[0094] Figure 4 A structural schematic diagram of a device control device provided in embodiment 4 of the present invention, the device can execute the device control method described in the above embodiment, and the device may include: an operation control strategy review module 410, a remote control information review module 420 and a remote control instruction sending module 430.

[0095] The operation control strategy review module 410 is used to obtain the operation control strategy of the current substation and review the operation control strategy;

[0096] The remote control information review module 420 is used to review the remote control information of the equipment corresponding to the operation control strategy when the operation control strategy is reviewed and approved;

[0097] The remote control instruction sending module 430 is used to generate a remote control instruction when the remote control information of the equipment is reviewed and approved, and send it to the operation system of the current substation to respond to the remote control instruction.

[0098] The technical solution provided by the embodiment of the present invention verifies and reviews the operation control strategy and the control equipment involved after obtaining the operation control strategy of the substation, and generates a remote control instruction when the audit is passed, instructing the operation system of the current substation to respond to the remote control instruction, thereby solving the problem of being unable to accurately implement automatic voltage control and achieving accurate control of voltage.

[0099] In the above device, optionally, the operation control strategy includes a semi-closed loop control strategy or a closed loop control strategy;

[0100] Conduct a review of the operational control strategy, including:

[0101] The semi-closed-loop control strategy is sent to the audit terminal for audit, and when the audit terminal passes the audit, the execution time of the semi-closed-loop control strategy is audited for timeout;

[0102] Conduct timeout audit on the execution time of closed-loop control strategy.

[0103] In the above device, optionally, sending the semi-closed loop control strategy to the audit terminal for audit includes:

[0104] Obtain the management authority of the current substation;

[0105] When the management authority is determined to be the monitoring authority, the semi-closed loop control strategy is sent to the monitoring terminal for review, and the review result of the review terminal is determined based on the review result fed back by the monitoring terminal;

[0106] When the management authority is the scheduling authority, the semi-closed-loop control strategy is sent to the monitoring terminal for review. When the monitoring terminal passes the review, the semi-closed-loop control strategy is sent to the scheduling terminal for review. The review result of the review terminal is determined based on the review result fed back by the scheduling terminal.

[0107] In the above device, optionally, the device remote control information of the device corresponding to the operation control strategy is reviewed, including:

[0108] Query the equipment remote control information of the equipment corresponding to the operation control strategy in the operation system of the current substation;

[0109] When the device remote control information of the corresponding device is queried, it is determined that the device remote control information is approved.

[0110] In the above device, optionally, before obtaining the operation control strategy of the current substation, it also includes:

[0111] Acquire a control mode associated with the current substation, where the control mode includes at least one of the following: a control mode of the automatic control system, a control mode of the current substation in the automatic control system, and a control mode of a device to be controlled in the current substation in the automatic control system, where the device to be controlled includes a main transformer tap changer or a capacitive reactor;

[0112] Selecting a control mode from among the control modes and determining it as a target control strategy for the device to be controlled, the target control strategy including an operation control strategy or an open-loop control strategy;

[0113] When the target control strategy is determined to be the operation control strategy, the device to be controlled is determined to be the device corresponding to the operation control strategy.

[0114] In the above device, optionally, when it is determined that the target control strategy is an open-loop control strategy, log information is output.

[0115] The device provided in this embodiment constructs a module that can realize each step in the device control device. The operation control strategy audit module and the device remote adjustment and remote control information audit module are used to audit the operation control strategy, thereby ensuring the correctness of the control strategy and realizing accurate voltage control.

[0116] Embodiment 5

[0117] Figure 5 A schematic diagram of the structure of a computer device provided in Embodiment 5 of the present invention is shown in FIG. Figure 5 As shown, the device includes a processor 50, a memory 51, an input device 52 and an output device 53; the number of processors 50 in the device can be one or more. Figure 5 A processor 50 is taken as an example; the processor 50, memory 51, input device 52 and output device 53 in the device can be connected by a bus or other means. Figure 5 The example of connecting through bus is taken in the following.

[0118] The memory 51 is a computer-readable storage medium that can be used to store software programs, computer executable programs and modules, such as the program modules corresponding to the device control method in the embodiment of the present invention (for example, the operation control strategy review module 410, the remote control information review module 420 and the remote control instruction sending module 430 in the device control device). The processor 50 executes various functional applications and data processing of the device by running the software programs, instructions and modules stored in the memory 51, that is, realizing the above-mentioned device control method.

[0119] The memory 51 may mainly include a program storage area and a data storage area, wherein the program storage area may store an operating system and at least one application required for a function; the data storage area may store data created according to the use of the terminal, etc. In addition, the memory 51 may include a high-speed random access memory, and may also include a non-volatile memory, such as at least one disk storage device, a flash memory device, or other non-volatile solid-state storage device. In some instances, the memory 51 may further include a memory remotely arranged relative to the processor 50, and these remote memories may be connected to the device via a network. Examples of the above-mentioned network include, but are not limited to, the Internet, an intranet, a local area network, a mobile communication network, and combinations thereof.

[0120] The input device 52 may be used to receive input digital or character information and generate key signal input related to user settings and function control of the device. The output device 53 may include a display device such as a display screen.

[0121] Embodiment 6

[0122] Embodiment 6 of the present invention further provides a storage medium containing computer executable instructions, wherein the computer executable instructions are used to execute a device control method when executed by a computer processor, the method comprising:

[0123] Obtain the operation control strategy of the current substation and review the operation control strategy; when the operation control strategy is reviewed and approved, review the equipment remote adjustment and remote control information of the equipment corresponding to the operation control strategy; when the equipment remote adjustment and remote control information is reviewed and approved, generate remote adjustment and remote control instructions and send them to the operation system of the current substation to respond to the remote adjustment and remote control instructions.

[0124] Of course, the storage medium containing computer executable instructions provided by an embodiment of the present invention, whose computer executable instructions are not limited to the method operations described above, can also execute related operations in the device control method provided by any embodiment of the present invention.

[0125] Through the above description of the implementation methods, the technicians in the relevant field can clearly understand that the present invention can be implemented by means of software and necessary general hardware, and of course it can also be implemented by hardware, but in many cases the former is a better implementation method. Based on such an understanding, the technical solution of the present invention, in essence, or the part that contributes to the prior art, can be embodied in the form of a software product, and the computer software product can be stored in a computer-readable storage medium, such as a computer floppy disk, read-only memory (ROM), random access memory (RAM), flash memory (FLASH), hard disk or optical disk, etc., including a number of instructions for a computer device (which can be a personal computer, server, or network device, etc.) to execute the methods described in each embodiment of the present invention.

[0126] It is worth noting that in the embodiment of the above-mentioned search device, the various units and modules included are only divided according to functional logic, but are not limited to the above-mentioned division, as long as the corresponding functions can be achieved; in addition, the specific names of the functional units are only for the convenience of distinguishing each other, and are not used to limit the scope of protection of the present invention.

[0127] Embodiment 7

[0128] Figure 6 A structural diagram of an equipment control system provided for Embodiment 7 of the present invention, the device can execute the equipment control method described in the above embodiment, the equipment control system comprises: a computer device 61 for executing the equipment control method of the above embodiment and an operating system 62 of the current substation, the computer device being connected to the operating system network; the computer device being used for generating remote control instructions and sending them to the operating system; the operating system being used for responding to remote control instructions to execute automatic voltage control.

[0129] The computer device for executing the device control method of the above embodiment includes at least a strategy calculation server; the operation system of the substation refers to the front-end system 75. The computer device 61 and the operation system 62 of the current substation can be connected via a bus or other means. Figure 6 The example of connecting through bus is taken in the following.

[0130] Figure 7A schematic diagram of a substation system structure provided for an embodiment of the present invention. The substation system includes a strategy computing server 71, a monitoring terminal 72, a dispatching terminal 73, an EMS system 74 (Energy Management System) and a front-end system 75. The main tasks of the EMS system include power system stability, voltage and its adjustment, power system operation, grid dispatching automation and power system communication, specifically controlling the devices mounted on the bus and providing energy. It should be noted that the strategy computing server 71, the monitoring terminal 72, the dispatching terminal 73, the EMS system 74 and the front-end system 75 can be connected via a bus or other means, Figure 7 The bus connection is used as an example. The front-end system 75 is the aforementioned current substation operation system. The strategy calculation server 71 is a computer device that executes the device control method of the above embodiment.

[0131] The equipment control system provided in the embodiment of the present invention can obtain the operation control strategy of the substation, verify and audit the operation control strategy and the control equipment involved, and generate remote control instructions when the audit is passed, instructing the current substation operation system to respond to the remote control instructions, thereby solving the problem of being unable to accurately implement automatic voltage control and achieving accurate control of voltage.

[0132] Note that the above are only preferred embodiments of the present invention and the technical principles used. Those skilled in the art will understand that the present invention is not limited to the specific embodiments described herein, and that various obvious changes, readjustments and substitutions can be made by those skilled in the art without departing from the scope of protection of the present invention. Therefore, although the present invention has been described in more detail through the above embodiments, the present invention is not limited to the above embodiments, and may include more other equivalent embodiments without departing from the concept of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims

1. A device control method, characterized in that: include: Acquire the operation control strategy of the current substation, the operation control strategy includes a semi-closed loop control strategy, and review the operation control strategy, including: sending the semi-closed loop control strategy to the review terminal for review, and when the review terminal passes the review, perform a timeout review on the execution time of the semi-closed loop control strategy; the timeout review is used to determine whether the processing time of the operation control strategy is too long; When the operation control strategy is approved, the remote control information of the equipment corresponding to the operation control strategy is reviewed; When the remote adjustment and remote control information of the equipment is reviewed and approved, a remote adjustment and remote control instruction is generated and sent to the operation system of the current substation to respond to the remote adjustment and remote control instruction; Wherein, sending the semi-closed-loop control strategy to the audit terminal for audit includes: Obtaining management authority of the current substation; When it is determined that the management authority is a monitoring authority, the semi-closed-loop control strategy is sent to a monitoring terminal for review, and the review result of the review terminal is determined according to the review result fed back by the monitoring terminal; When the management authority is the scheduling authority, the semi-closed-loop control strategy is sent to the monitoring terminal for review, and when the monitoring terminal passes the review, the semi-closed-loop control strategy is sent to the scheduling terminal for review, and the review result of the review terminal is determined according to the review result fed back by the scheduling terminal; The monitoring authority is the authority of the monitoring personnel to debug and monitor the remote control quantity, and the dispatching authority is the authority of the dispatching personnel to control the remote switch control device.

2. The method according to claim 1, characterized in that: The reviewing of the device remote adjustment and remote control information of the device corresponding to the operation control strategy includes: Querying the equipment remote adjustment and remote control information of the equipment corresponding to the operation control strategy in the operation system of the current substation; When the device remote adjustment and remote control information of the corresponding device is queried, it is determined that the device remote adjustment and remote control information is approved.

3. The method according to claim 1, characterized in that Before obtaining the operation control strategy of the current substation, it also includes: Acquire a control mode associated with the current substation; the associated control mode includes at least one of the following: a control mode of an automatic control system, a control mode of the current substation in the automatic control system, and a control mode of a device to be controlled in the current substation in the automatic control system, wherein the device to be controlled includes a main transformer tap changer or a capacitive reactor; Selecting a control mode from each of the associated control modes and determining it as a target control strategy for the device to be controlled; the target control strategy includes an operation control strategy or an open-loop control strategy; When it is determined that the target control strategy is the operation control strategy, the device to be controlled is determined to be the device corresponding to the operation control strategy.

4. The method according to claim 3, characterized in that Also includes: When it is determined that the target control strategy is an open-loop control strategy, log information is output.

5. A device control device, characterized in that: include: An operation control strategy review module is used to obtain the operation control strategy of the current substation, the operation control strategy includes a semi-closed loop control strategy, and review the operation control strategy, specifically for: sending the semi-closed loop control strategy to the review terminal for review, and when the review terminal passes the review, conducting a timeout review on the execution time of the semi-closed loop control strategy; the timeout review is used to determine whether the processing time of the operation control strategy is too long; A remote control information review module is used to review the remote control information of the equipment corresponding to the operation control strategy when the operation control strategy is reviewed and approved; A remote control instruction sending module is used to generate a remote control instruction when the remote control information of the equipment is reviewed and approved, and send it to the operation system of the current substation to respond to the remote control instruction; The sending of the semi-closed-loop control strategy to the audit terminal for audit includes: Obtain the management authority of the current substation; When the management authority is determined to be the monitoring authority, the semi-closed loop control strategy is sent to the monitoring terminal for review, and the review result of the review terminal is determined based on the review result fed back by the monitoring terminal; When the management authority is the dispatch authority, the semi-closed-loop control strategy is sent to the monitoring terminal for review. When the monitoring terminal passes the review, the semi-closed-loop control strategy is sent to the dispatch terminal for review. The review result of the review terminal is determined based on the review result fed back by the dispatch terminal. The monitoring authority is the authority of the monitoring personnel to debug and monitor the remote control quantity, and the dispatching authority is the authority of the dispatching personnel to control the remote switch control device.

6. A computer device, characterized in that: include: one or more processors; A storage device for storing one or more programs, when the one or more programs are executed by the one or more processors, the one or more processors implement the device control method as described in any one of claims 1-4.

7. A computer-readable storage medium having a computer program stored thereon, characterized in that: When the program is executed by a processor, the device control method as described in any one of claims 1 to 4 is implemented.

8. A device control system, characterized in that: include: An operating system of a substation and a computer device for executing the device control method according to any one of claims 1 to 4, wherein the computer device is connected to the operating system network; The computer device is used to generate remote control instructions and send them to the operating system; The operating system is used to respond to the remote adjustment and remote control instructions to perform automatic voltage control.

Citation Information

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    CN109782724A