Distribution network simulation system and algorithm verification method suitable for verifying advanced algorithms

Abstract

The present invention discloses a distribution network simulation system suitable for verifying advanced algorithms, including: an acquisition layer, used to simulate and obtain real-time data and historical data of smart meters and terminal devices; a message routing layer, used to control the communication between substations and smart meters and terminal devices; a substation layer, used to simulate a cloud master station and remotely control smart meters and terminal devices. The present invention can complete the test by simulating meters and terminal devices.

Description

Technical Field

[0001] The present invention belongs to the technical field of power grid simulation, and in particular relates to a power distribution network simulation system suitable for verifying advanced algorithms and an algorithm verification method. Background Art

[0002] With the development of distribution network, the number of smart meters connected is increasing year by year, which has caused great pressure on the debugging of terminals, the communication of middle layer and the processing and storage of data by the master station. In order to better promote the access of smart meters, a suitable means is needed to reasonably evaluate the performance of access equipment and its impact on the power grid, and debug smart meters from different manufacturers.

[0003] Currently, before installing advanced applications in substations, their effects and performance are only verified in a debugging environment. The software and algorithms are immature and unreliable, and their reliability cannot be guaranteed when applied to the complex environment of the power system. The smart meters and smart meter communication modules in the distribution network have the same problem. Summary of the invention

[0004] In order to solve the problems existing in the prior art, the present invention provides a distribution network simulation system suitable for verifying advanced algorithms, which can complete application testing by simulating electric meters and terminal devices.

[0005] The technical problem to be solved by the present invention is achieved through the following technical solutions:

[0006] In a first aspect, a distribution network simulation system suitable for verifying advanced algorithms is provided, comprising: an acquisition layer for simulating and acquiring real-time data and historical data of smart meters and terminal devices;

[0007] Message routing layer, used to control the communication between substations, smart meters and terminal devices;

[0008] The substation layer is used to simulate the cloud master station and remotely control smart meters and terminal devices.

[0009] In combination with the first aspect, further, the acquisition layer includes a smart meter simulation module, a terminal simulation module and an actual meter data acquisition module;

[0010] The electric meter simulation module is used to simulate the operation of the electric meter; the terminal simulation module is used to simulate the operation of the terminal device; and the actual electric meter data acquisition module is used to acquire actual smart meter data.

[0011] In combination with the first aspect, further, the message routing layer includes a data reading and storing module, a data authority management module and a 485 protocol testing module;

[0012] The data reading and storage module is used to store and read the data collected by the collection layer;

[0013] The data authority management module is used to manage the authority of each functional application at the substation level to read and store the collected data;

[0014] The 485 protocol test module is used to test the communication between the acquisition layer and the message routing layer.

[0015] In combination with the first aspect, further, the substation layer includes: a cloud master station, a cloud master station simulation module and a 698 protocol test module;

[0016] The cloud master station simulation module is used to simulate various functions of the cloud master station;

[0017] and 698 protocol test module for testing the communication between the message routing layer and the substation layer.

[0018] In combination with the first aspect, further, the substation layer also includes a human-computer interaction module for interaction between an operator and a cloud master station or a simulated cloud master station.

[0019] In a second aspect, a verification method for a distribution network simulation system suitable for verifying an advanced algorithm is provided, comprising:

[0020] The smart meter simulation module and the terminal simulation module generate simulation data of the smart meter and the terminal respectively;

[0021] Upload the simulation data to the cloud master;

[0022] Compare and verify the calculation results of the cloud master station on the simulated data with the calculation results of the actual data.

[0023] Beneficial effects of the present invention: 1) Algorithm verification is more convenient and reliable: In order to solve the problem of difficulty in obtaining distribution network data, this test system establishes a simulation terminal and a simulation smart meter module to facilitate the correctness of some advanced algorithms of the distribution cloud master station, such as mutual transformation relationship identification, line loss anomaly identification, etc.

[0024] 2) Flexible testing methods: When communicating with the actual distribution network terminal, the simulation test platform sends the data uploaded by the distribution automation terminal to the distribution automation master station, and issues the control commands of the distribution automation master station to the distribution automation terminal; when using simulated terminals and simulated smart meter modules, the simulation test platform sends the data uploaded by the simulated terminals and simulated smart meters to the distribution automation master station, and the master station verifies the algorithm results based on the data.

[0025] 3) More convenient display: The desired information can be displayed through the simulation test platform, making it easier to monitor the operation status of the algorithm. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a framework diagram of the power grid simulation test system of the present invention;

[0027] Figure 2 It is a test flow chart of two algorithms in the present invention. DETAILED DESCRIPTION

[0028] In order to further describe the technical features and effects of the present invention, the present invention is further described below in conjunction with the accompanying drawings and specific implementation methods.

[0029] The present invention proposes a distribution network simulation system suitable for verifying advanced algorithms, such as Figure 1-2 As shown, including:

[0030] The acquisition layer is used to simulate and obtain real-time and historical data from smart meters and terminal devices;

[0031] Message routing layer, used to control the communication between substations, smart meters and terminal devices;

[0032] The substation layer is used to simulate the cloud master station and remotely control smart meters and terminal devices.

[0033] Wherein, the acquisition layer includes a smart meter simulation module, a terminal simulation module and an actual meter data acquisition module;

[0034] The electric meter simulation module is used to simulate the operation of the electric meter; the terminal simulation module is used to simulate the operation of the terminal device; and the actual electric meter data acquisition module is used to acquire actual smart meter data.

[0035] The message routing layer includes a data reading and storing module, a data authority management module and a 485 protocol testing module;

[0036] The data reading and storage module is used to store and read the data collected by the collection layer;

[0037] The data authority management module is used to manage the authority of each functional application at the substation level to read and store the collected data;

[0038] The 485 protocol test module is used to test the communication between the acquisition layer and the message routing layer.

[0039] The substation layer includes: a cloud master station, a cloud master station simulation module and a 698 protocol test module;

[0040] The cloud master station simulation module is used to simulate various functions of the cloud master station;

[0041] and 698 protocol test module for testing the communication between the message routing layer and the substation layer.

[0042] The substation layer also includes a human-computer interaction module for interaction between an operator and a cloud master station or a simulated cloud master station.

[0043] The algorithm effect verification method when the distribution network simulation system uses the simulation terminal and the simulation smart meter module is as follows:

[0044] S1: Start;

[0045] S2: The simulation test platform generates simulated smart meter parameters and simulated terminal parameters;

[0046] S3: The simulation test platform uploads the information to the cloud master station;

[0047] S4: The cloud master obtains the results through the relevant algorithms and compares them with the actual information of the simulation system to verify the correctness of the algorithms;

[0048] S5: End.

[0049] The method for verifying the algorithm effect when the distribution network simulation system communicates with the actual distribution automation terminal is as follows:

[0050] S1: Start;

[0051] S2: The distribution automation terminal transmits data to the simulation test platform;

[0052] S3: The simulation test platform uploads the data to the cloud master station;

[0053] S4: The cloud master generates decision information through algorithms and sends it to the simulation system data center;

[0054] S5: The simulation test platform sends the decision information to the distribution automation terminal;

[0055] S6: After taking the decision, the distribution automation terminal transmits the result to the simulation test platform;

[0056] S7: The simulation test platform uploads the decision result to the cloud master station;

[0057] S8: End.

[0058] Those skilled in the art will appreciate that the embodiments of the present application may be provided as methods, systems, or computer program products. Therefore, the present application may adopt the form of a complete hardware embodiment, a complete software embodiment, or an embodiment combining software and hardware. Moreover, the present application may adopt the form of a computer program product implemented on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) containing computer-usable program codes.

[0059] The present application is described with reference to the flowcharts and / or block diagrams of the methods, devices (systems), and computer program products according to the embodiments of the present application. It should be understood that each process and / or box in the flowchart and / or block diagram, as well as the combination of the processes and / or boxes in the flowchart and / or block diagram, can be implemented by computer program instructions. These computer program instructions can be provided to a processor of a general-purpose computer, a special-purpose computer, an embedded processor, or other programmable data processing device to generate a machine, so that the instructions executed by the processor of the computer or other programmable data processing device generate instructions for implementing the processes in the flowchart and / or block diagram. Figure 1 A process or multiple processes and / or boxes Figure 1 A device that provides the functions specified in a block or multiple blocks.

[0060] These computer program instructions may also be stored in a computer-readable memory capable of directing a computer or other programmable data processing device to operate in a specific manner, so that the instructions stored in the computer-readable memory produce an article of manufacture comprising an instruction device, which implements the process Figure 1 A process or multiple processes and / or boxes Figure 1 A function specified in one or more boxes.

[0061] These computer program instructions can also be loaded onto a computer or other programmable data processing device so that a series of operating steps are executed on the computer or other programmable device to produce a computer-implemented process, thereby providing instructions for implementing the process in the computer or other programmable device. Figure 1 A process or multiple processes and / or boxes Figure 1 A step that specifies a function in one or more boxes.

[0062] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the above embodiments, ordinary technicians in the relevant field should understand that the specific implementation methods of the present invention can still be modified or replaced by equivalents. Any modification or equivalent replacement that does not depart from the spirit and scope of the present invention should be covered within the scope of protection of the claims of the present invention.

Claims

1. A distribution network simulation system suitable for verifying advanced algorithms, characterized in that: include: The acquisition layer is used to simulate and obtain real-time and historical data from smart meters and terminal devices; Message routing layer, used to control the communication between substations, smart meters and terminal devices; The substation layer is used to simulate the cloud master station and remotely control smart meters and terminal devices; The acquisition layer includes a smart meter simulation module, a terminal simulation module and an actual meter data acquisition module; The meter simulation module is used to simulate the operation of the meter; the terminal simulation module is used to simulate the operation of the terminal device; the actual meter data acquisition module is used to collect actual smart meter data; The message routing layer includes a data reading and storing module, a data authority management module and a 485 protocol testing module; The data reading and storage module is used to store and read the data collected by the collection layer; The data authority management module is used to manage the authority of each functional application at the substation level to read and store the collected data; The 485 protocol test module is used to test the communication between the acquisition layer and the message routing layer; The substation layer includes: a cloud master station, a cloud master station simulation module and a 698 protocol test module; The cloud master station simulation module is used to simulate various functions of the cloud master station; When the distribution network simulation system uses simulation terminals and simulated smart meter modules, the cloud master station is used to obtain results through relevant algorithms and compare them with the actual information of the simulation system to verify the correctness of the algorithm; when the distribution network simulation system communicates with the actual smart meter, the cloud master station is used to generate decision information through algorithms and receive the returned decision results; The 698 protocol test module is used to test the communication between the message routing layer and the substation layer.

2. A distribution network simulation system suitable for verifying advanced algorithms according to claim 1, characterized in that: The substation layer also includes a human-computer interaction module for interaction between an operator and a cloud master station or a simulated cloud master station.

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