CN114019317A - Power distribution network real-time simulation test method, system, equipment and storage medium - Google Patents
Power distribution network real-time simulation test method, system, equipment and storage medium Download PDFInfo
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- 238000004590 computer program Methods 0.000 claims description 11
- 238000012544 monitoring process Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 16
- 238000013024 troubleshooting Methods 0.000 abstract description 6
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- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/08—Locating faults in cables, transmission lines, or networks
- G01R31/081—Locating faults in cables, transmission lines, or networks according to type of conductors
- G01R31/086—Locating faults in cables, transmission lines, or networks according to type of conductors in power transmission or distribution networks, i.e. with interconnected conductors
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Abstract
The application discloses a power distribution network real-time simulation test method, a system, equipment and a storage medium, wherein the power distribution network real-time simulation test method comprises the following steps: constructing a simulation test system, wherein the simulation test system comprises a power distribution network test node, a node test module, an information feedback system, a voltage transformation circuit and a simulation test system terminal; the node test module transmits the power distribution network data to a simulation test system terminal through an information feedback system; the voltage transformation circuit connects a cable between two adjacent power distribution network test nodes with the node test module; and after receiving the information transmitted by the node test module, the terminal of the simulation test system monitors the voltage fluctuation between the test nodes of the power distribution network in real time. By means of the mode, the method and the device can perform accurate troubleshooting and fault feedback, and reduce fault removal time.
Description
Technical Field
The application relates to the technical field of power distribution network simulation tests, in particular to a power distribution network real-time simulation test method, system, equipment and storage medium.
Background
The section of the power system from the outlet of the step-down distribution substation and the high-voltage distribution substation to the user side is called a distribution system. A power distribution system is an electrical power network system that transforms voltage and distributes power directly to end users, consisting of a variety of distribution equipment and distribution facilities. The power distribution network comprises overhead lines, towers, cables, distribution transformers, switching equipment, reactive compensation capacitors and other distribution equipment and accessory facilities.
The publication number is: CN111830846A discloses a power distribution network fault testing method and system based on a simulation test platform, which comprises the steps of building a power distribution network model on a power distribution network simulation test workstation; simulating and generating fault electrical data of each switch according to the topological structure of the power distribution network model, the load information and the configured fault information; sending the fault electrical data and the states of the switches to a tester by utilizing network communication; connecting the analog output, the input acquisition and the output of the tester with a power distribution terminal, detecting the remote control information of the power distribution terminal by the tester and sending the remote control information to the power distribution network simulation test workstation; and acquiring the action logic and the processing strategy of the tested FA system through the event sequence record, testing the normal fault process of the tested FA system and forming a test report.
However, in the existing power distribution network testing process, although various operating states of the power distribution network can be monitored in real time, after a fault occurs, due to the fact that the structure of the power distribution network is complex, the voltage level is high, accurate troubleshooting and fault feedback are not facilitated, and therefore the fault removal time is prolonged.
Disclosure of Invention
The application provides a power distribution network real-time simulation test method, a power distribution network real-time simulation test system, power distribution network real-time simulation test equipment and a power distribution network real-time simulation test storage medium, and aims to solve the problems that in the prior art, due to the fact that the structure of a power distribution network is complex, the voltage level is high, accurate troubleshooting and fault feedback are not facilitated, and therefore the fault removal time is prolonged.
In order to solve the technical problem, the application provides a power distribution network real-time simulation test method, which includes: constructing a simulation test system, wherein the simulation test system comprises a power distribution network test node, a node test module, an information feedback system, a voltage transformation circuit and a simulation test system terminal; the node test module transmits the power distribution network data to a simulation test system terminal through an information feedback system; the voltage transformation circuit connects a cable between two adjacent power distribution network test nodes with the node test module; and after receiving the information transmitted by the node test module, the terminal of the simulation test system monitors the voltage fluctuation between the test nodes of the power distribution network in real time.
Optionally, the power distribution network real-time simulation testing method further includes: when the simulation test system terminal detects a fault, the mark of the node test module where the fault is located is read, and an alarm signal and the mark information of the power distribution network test node where the fault is located are sent out.
Optionally, constructing a simulation test system further includes: after the simulation test system is constructed, the node test module and the adjacent power distribution network test nodes are respectively marked, and the marked information is uploaded to a simulation test system terminal, wherein the marked information is used for distinguishing the positions of the marked nodes and the cable positions of the power distribution networks to which the marked nodes belong.
Optionally, the node test module transmits the power distribution network data to the simulation test system terminal through the information feedback system, and further includes: after passing through the transformer, the node testing module and the power distribution network testing nodes are connected in parallel, the voltage between the power distribution network testing nodes and the voltage of the voltage transformation circuit form synchronous fluctuation, and the node testing module tests the segmental operation state of the power distribution network according to the voltage fluctuation.
In order to solve the technical problem, the application provides a power distribution network real-time simulation test system which comprises power distribution network test nodes, a node test module, an information feedback system, a voltage transformation circuit and a simulation test system terminal; the node test module is used for transmitting the power distribution network data to the simulation test system terminal through the information feedback system; the voltage transformation circuit is used for connecting a cable between two adjacent power distribution network test nodes with the node test module; and the simulation test system terminal is used for monitoring the voltage fluctuation between the test nodes of the power distribution network in real time after receiving the information transmitted by the node test module.
Optionally, the simulation test system terminal is further configured to, when a fault is detected, read a flag of a node test module where the fault is located, and send an alarm signal and power distribution network test node flag information of a location where the fault is located.
Optionally, the method further comprises: and the marking module is used for marking the node testing module and the adjacent power distribution network testing nodes respectively after the simulation testing system is constructed, and uploading marking information to a simulation testing system terminal, wherein the marking information is used for distinguishing the positions of the marking nodes and the cable positions of the power distribution networks to which the marking nodes belong.
Optionally, after passing through the transformer, the node testing module and the power distribution network testing nodes are connected in parallel, voltage between the power distribution network testing nodes and voltage of the voltage transformation circuit form synchronous fluctuation, and the node testing module tests the segmental operation state of the power distribution network according to the voltage fluctuation.
In order to solve the above technical problem, the present application provides an electronic device, which includes a memory and a processor, where the memory is connected to the processor, and the memory stores a computer program, and the computer program is executed by the processor to implement the power distribution network real-time simulation test method.
In order to solve the above technical problem, the present application provides a computer-readable storage medium, which stores a computer program, and when the computer program is executed, the method for testing the power distribution network in real-time simulation is implemented.
The application provides a power distribution network real-time simulation test method, a system, equipment and a storage medium, wherein the power distribution network real-time simulation test method comprises the following steps: constructing a simulation test system, wherein the simulation test system comprises a power distribution network test node, a node test module, an information feedback system, a voltage transformation circuit and a simulation test system terminal; the node test module transmits the power distribution network data to a simulation test system terminal through an information feedback system; the voltage transformation circuit connects a cable between two adjacent power distribution network test nodes with the node test module; and after receiving the information transmitted by the node test module, the terminal of the simulation test system monitors the voltage fluctuation between the test nodes of the power distribution network in real time. By means of the mode, the method and the device can perform accurate troubleshooting and fault feedback, and reduce fault removal time.
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In order to more clearly illustrate the technical solution of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic flow chart of an embodiment of a power distribution network real-time simulation test method according to the present application;
FIG. 2 is a schematic structural diagram of an embodiment of a power distribution network real-time simulation test system according to the present application;
FIG. 3 is a schematic structural diagram of an embodiment of an electronic device of the present application;
FIG. 4 is a schematic structural diagram of an embodiment of a computer-readable storage medium of the present application.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present application, the following describes in detail a power distribution network real-time simulation test method, system, device, and storage medium provided in the present application with reference to the accompanying drawings and detailed description.
The application provides a power distribution network real-time simulation test method, please refer to fig. 1, where fig. 1 is a schematic flow diagram of an embodiment of the power distribution network real-time simulation test method of the application, and in this embodiment, the power distribution network real-time simulation test method may include steps S110 to S140, where each step is as follows:
s110: and constructing a simulation test system, wherein the simulation test system comprises a power distribution network test node, a node test module, an information feedback system, a voltage transformation circuit and a simulation test system terminal.
In some embodiments, after the simulation test system is constructed, the node test module and the adjacent power distribution network test nodes are respectively marked, and the marking information is uploaded to a simulation test system terminal, wherein the marking information is used for distinguishing the positions of the marking nodes and the cable positions of the power distribution networks to which the marking nodes belong.
S120: and the node test module transmits the power distribution network data to the simulation test system terminal through the information feedback system.
S130: the voltage transformation circuit connects the cable between two adjacent power distribution network test nodes with the node test module.
After passing through the transformer, the node testing module and the power distribution network testing nodes are connected in parallel, the voltage between the power distribution network testing nodes and the voltage of the voltage transformation circuit form synchronous fluctuation, and the node testing module tests the segmental operation state of the power distribution network according to the voltage fluctuation.
S140: and after receiving the information transmitted by the node test module, the terminal of the simulation test system monitors the voltage fluctuation between the test nodes of the power distribution network in real time.
When the simulation test system terminal detects a fault, the mark of the node test module where the fault is located is read, and an alarm signal and the mark information of the power distribution network test node where the fault is located are sent out.
In conclusion, the sectionalizers in the power distribution network are used as the test nodes, the parallel connection relationship is established between the node test module and the voltage transformation circuit and the power distribution network, meanwhile, the voltage transformation circuit can reduce the voltage of the power distribution network and keep the voltage fluctuation before and after voltage transformation consistent, comprehensive detection of the power distribution network system by the node test module is facilitated, and after the power distribution network fails, information marked by the node test module is convenient for workers to accurately and quickly troubleshoot, so that the real-time simulation test method has better flexibility and can effectively reduce the time required by troubleshooting.
Based on the above power distribution network real-time simulation test method, the present application provides a power distribution network real-time simulation test system, please refer to fig. 2, fig. 2 is a schematic structural diagram of an embodiment of the power distribution network real-time simulation test system of the present application, and in this embodiment, the power distribution network real-time simulation test system may include a power distribution network test node, a node test module 210, an information feedback system 220, a voltage transformation circuit 230, and a simulation test system terminal 240.
The node testing module 210 is configured to transmit the power distribution network data to the simulation testing system terminal 240 through the information feedback system 220; the voltage transformation circuit 230 is used for connecting a cable between two adjacent power distribution network test nodes with the node test module 210; the simulation test system terminal 240 is configured to receive the information transmitted by the node test module 210, and then monitor voltage fluctuation between the power distribution network test nodes in real time.
Optionally, the simulation test system terminal 240 is further configured to, when a fault is detected, read the flag of the node test module 210 where the fault is located, and send an alarm signal and power distribution network test node flag information of the location where the fault is located.
Optionally, the method further comprises: and the marking module is configured to mark the node test module 210 and an adjacent power distribution network test node respectively after the simulation test system is constructed, and upload mark information to the simulation test system terminal 240, where the mark information is used to distinguish a position of the mark node from a position of a power distribution network cable to which the mark node belongs.
Optionally, after passing through the transformer, the node testing module 210 and the power distribution network testing nodes are connected in parallel, the voltage between the power distribution network testing nodes and the voltage of the transforming circuit 230 form synchronous fluctuation, and the node testing module 210 tests the segmental operation state of the power distribution network according to the voltage fluctuation.
Examples are 1:
the simulation test system is carried in a computer of a substation base station of the power distribution network, the test nodes of the power distribution network are based in a power distribution network transmission cable system, and the node test modules 210 correspond to the test nodes of the power distribution network respectively;
the transformation circuit 230 is connected between the power distribution network and the node testing module 210, and the transformation circuit 230 is composed of a connection line and a transformer and is used for synchronously reducing the voltage of the power distribution network in real time and then transmitting the reduced voltage to the node testing module 210;
the information feedback system 220 centrally feeds back the information of the node test module 210 to the simulation test system terminal 240.
For example, 2:
the power distribution network test nodes are composed of power distribution network sectionalizers which are respectively arranged among lines of the power distribution network;
the distribution network sectionalizers form a distribution network test node, and a voltage transformation circuit 230 is connected between the node test module 210 and the distribution network sectionalizers and is used for connecting distribution network cables and the node test module 210 in parallel.
The power distribution network cable network is divided and segmented by the power distribution network testing nodes, and a power distribution network cable is constructed between two adjacent power distribution network testing nodes;
and two adjacent power distribution network test nodes are used for testing the running state and voltage fluctuation of the power distribution network between the nodes.
For example, 3:
the information feedback system 220 is composed of a feedback circuit, the information feedback system 220 is respectively connected with the node test module 210, and the information feedback system 220 is connected with the simulation test system terminal 240 through the feedback circuit.
The simulation test system terminal 240 marks the node test modules 210 respectively, and the node test modules 210 correspond to the power distribution network cable positions of the power distribution network test nodes.
Based on the above power distribution network real-time simulation test method, the present application also provides an electronic device, as shown in fig. 3, and fig. 3 is a schematic structural diagram of an embodiment of the electronic device of the present application. The electronic device 300 may comprise a memory 31 and a processor 32, the memory 31 being connected to the processor 32, the memory 31 having stored therein a computer program, the computer program implementing the method of any of the above embodiments when executed by the processor 32. The steps and principles thereof have been described in detail in the above method and will not be described in detail herein.
In the present embodiment, the processor 32 may also be referred to as a Central Processing Unit (CPU). The processor 32 may be an integrated circuit chip having signal processing capabilities. The processor 32 may also be a general purpose processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other programmable logic device, discrete gate or transistor logic, discrete hardware components. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
Based on the power distribution network real-time simulation test method, the application also provides a computer readable storage medium. Referring to fig. 4, fig. 4 is a schematic structural diagram of an embodiment of a computer-readable storage medium according to the present application. The computer-readable storage medium 400 has stored thereon a computer program 41, the computer program 41 implementing the method of any of the above embodiments when executed by a processor. The steps and principles thereof have been described in detail in the above method and will not be described in detail herein.
Further, the computer-readable storage medium 400 may be various media that can store program codes, such as a usb disk, a removable hard disk, a read-only memory (ROM), a Random Access Memory (RAM), a magnetic tape, or an optical disk.
The application provides a power distribution network real-time simulation test method, a system, equipment and a storage medium, which can perform accurate troubleshooting and fault feedback and reduce the time for fault removal; the node testing module and the voltage transformation circuit are connected with the power distribution network in parallel, and meanwhile, the voltage transformation circuit can reduce the voltage of the power distribution network and keep the voltage fluctuation before and after voltage transformation consistent; data acquisition and feedback, wherein the node test module transmits the power distribution network data to a simulation test system terminal through an information feedback system; and receiving data information, positioning the position of the fault node, and detecting the fault information and positioning the fault node by the simulation test system terminal.
It is to be understood that the specific embodiments described herein are merely illustrative of the application and are not limiting of the application. In addition, for convenience of description, only a part of structures related to the present application, not all of the structures, are shown in the drawings. The step numbers used herein are also for convenience of description only and are not intended as limitations on the order in which the steps are performed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The terms "first", "second", etc. in this application are used to distinguish between different objects and not to describe a particular order. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
The above description is only for the purpose of illustrating embodiments of the present application and is not intended to limit the scope of the present application, and all modifications of equivalent structures and equivalent processes, which are made by the contents of the specification and the drawings of the present application or are directly or indirectly applied to other related technical fields, are also included in the scope of the present application.
Claims (10)
1. A real-time simulation test method for a power distribution network is characterized by comprising the following steps:
constructing a simulation test system, wherein the simulation test system comprises a power distribution network test node, a node test module, an information feedback system, a voltage transformation circuit and a simulation test system terminal;
the node test module transmits the power distribution network data to the simulation test system terminal through the information feedback system;
the voltage transformation circuit connects a cable between two adjacent power distribution network test nodes with the node test module;
and after receiving the information transmitted by the node test module, the simulation test system terminal monitors the voltage fluctuation between the power distribution network test nodes in real time.
2. The real-time simulation test method for the power distribution network according to claim 1, further comprising:
and when the simulation test system terminal detects a fault, reading the mark of the node test module where the fault is located, and sending an alarm signal and the mark information of the power distribution network test node where the fault is located.
3. The real-time simulation test method for the power distribution network according to claim 2, wherein the building of the simulation test system further comprises:
after the simulation test system is constructed, the node test module and the adjacent power distribution network test nodes are respectively marked, and marking information is uploaded to the simulation test system terminal, wherein the marking information is used for distinguishing the positions of the marking nodes and the cable positions of the power distribution networks.
4. The real-time simulation test method for the power distribution network according to claim 3, wherein the node test module transmits the power distribution network data to the simulation test system terminal through the information feedback system, further comprising:
after passing through the transformer, the node testing module and the power distribution network testing nodes are connected in parallel, voltage between the power distribution network testing nodes and voltage of the voltage transformation circuit are synchronously fluctuated, and the node testing module tests the subsection running state of the power distribution network according to the voltage fluctuation.
5. A real-time simulation test system for a power distribution network is characterized by comprising a power distribution network test node, a node test module, an information feedback system, a voltage transformation circuit and a simulation test system terminal;
the node testing module is used for transmitting the power distribution network data to the simulation testing system terminal through the information feedback system;
the voltage transformation circuit is used for connecting a cable between two adjacent power distribution network test nodes with the node test module;
and the simulation test system terminal is used for monitoring the voltage fluctuation between the test nodes of the power distribution network in real time after receiving the information transmitted by the node test module.
6. The power distribution network real-time simulation test system of claim 5,
the simulation test system terminal is also used for reading the mark of the node test module where the fault is located and sending an alarm signal and the mark information of the power distribution network test node where the fault is located when the fault is detected.
7. The power distribution network real-time simulation test system of claim 6, further comprising:
and the marking module is used for marking the node testing module and the adjacent power distribution network testing nodes respectively after the simulation testing system is constructed, and uploading marking information to the simulation testing system terminal, wherein the marking information is used for distinguishing the positions of the marking nodes and the cable positions of the power distribution networks.
8. The power distribution network real-time simulation test system of claim 7,
after passing through the transformer, the node testing module and the power distribution network testing nodes are connected in parallel, voltage between the power distribution network testing nodes and voltage of the voltage transformation circuit are synchronously fluctuated, and the node testing module tests the subsection running state of the power distribution network according to the voltage fluctuation.
9. An electronic device, comprising a memory and a processor, wherein the memory is connected to the processor, and the memory stores a computer program, and the computer program, when executed by the processor, implements the power distribution network real-time simulation testing method according to any one of claims 1 to 4.
10. A computer-readable storage medium, in which a computer program is stored, which when executed implements the power distribution network real-time simulation test method of any one of claims 1 to 4.
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106556765A (en) * | 2017-01-04 | 2017-04-05 | 国网浙江省电力公司电力科学研究院 | The method of testing and RTDS emulators of distributed distribution automation system |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106556765A (en) * | 2017-01-04 | 2017-04-05 | 国网浙江省电力公司电力科学研究院 | The method of testing and RTDS emulators of distributed distribution automation system |
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| 张明亮等: "数字化变电站二次系统仿真测试方案", 《电力系统自动化》 * |
| 裴茂林等: "基于同步仿真控制系统的广域测量系统现场检测方法", 《电力系统自动化》 * |
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