CN111355237A - Test system and method based on power distribution network model - Google Patents
Test system and method based on power distribution network model Download PDFInfo
- Publication number
- CN111355237A CN111355237A CN202010289848.6A CN202010289848A CN111355237A CN 111355237 A CN111355237 A CN 111355237A CN 202010289848 A CN202010289848 A CN 202010289848A CN 111355237 A CN111355237 A CN 111355237A
- Authority
- CN
- China
- Prior art keywords
- power distribution
- model
- distribution network
- network model
- module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
-
- G—PHYSICS
- G01—MEASURING; TESTING
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- 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
- G01R31/088—Aspects of digital computing
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
- Y04S10/52—Outage or fault management, e.g. fault detection or location
Abstract
The invention discloses a test system and a method based on a power distribution network model, which comprises the following steps: step 1, establishing a power distribution network model according to the power distribution field condition; step 2, potential faults possibly existing in the power distribution network are simulated according to the power distribution network model, and the potential faults are recorded; step 3, transmitting the information of the potential fault to a monitoring system, wherein the monitoring system detects whether the FA logic action of the main station is correct by adopting the potential fault to complete a fault test; the technical problems that in the prior art, some potential fault information exists in a power distribution network system sometimes, potential hidden dangers can appear if the potential hidden dangers are not checked in time, the workload is undoubtedly increased by adopting a field direct checking mode, the operation is troublesome, the existing automation requirements cannot be met and the like are solved.
Description
Technical Field
The invention belongs to the technical field of power transmission, and particularly relates to a test system and method based on a power distribution network model.
Background
Feeder automation is a core function of a distribution automation system, and refers to the automation of a feeder circuit between a transformer substation outgoing line and user electric equipment, and the content of the feeder automation can be summarized into two major aspects: firstly, user detection, data measurement and operation optimization under normal conditions; and secondly, fault detection, fault isolation, transfer and power supply recovery control in an accident state.
The method can be divided into two types of centralized control and local control according to the control mode, the centralized control type FA (FA function is completed in the central coordination main station) is the main stream at present, and the intelligent distributed FA in the local control mode is the future development direction.
In a power distribution system, some potential fault information sometimes exists, if the potential hidden danger can be caused by not timely troubleshooting, the workload is undoubtedly increased by adopting a field direct troubleshooting mode, the operation is troublesome, and the current automation requirements cannot be met.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the test system and method based on the power distribution network model are provided to solve the technical problems that in the prior art, some potential fault information exists in a power distribution network system sometimes, potential hidden dangers can appear if the potential hidden dangers are not checked in time, the workload is undoubtedly increased by adopting a field direct checking mode, the operation is troublesome, the existing automation requirements cannot be met, and the like.
The technical scheme of the invention is as follows:
a test method based on a power distribution network model comprises the following steps:
step 1, establishing a power distribution network model according to the power distribution field condition;
step 2, potential faults possibly existing in the power distribution network are simulated according to the power distribution network model, and the potential faults are recorded;
and 3, transmitting the information of the potential fault to a monitoring system, wherein the monitoring system detects whether the FA logic action of the main station is correct by adopting the potential fault to complete the fault test.
Step 1, establishing a power distribution network model according to the power distribution field condition comprises the following steps:
establishing a channel model for parameter configuration according to the condition of a power distribution field;
configuring device meter parameters and master station communication parameters by using a channel model, and respectively obtaining a device meter model and a switch parameter model after configuration;
and simulating a power distribution field based on the channel model, the device meter model and the switch parameter model to obtain a power distribution network model.
The parameters configured by the channel model comprise a channel number, a channel name and communication parameters, and the channel model is also used for communication between the main station and the monitoring system and data exchange.
The device table model is used for simulating field terminal information, establishing a terminal model according to the field terminal information and communicating with the master station by utilizing the channel model.
Each instrument table model collects data of one or more switch parameter models and sends the data to the master station through corresponding communication protocols.
The switch parameter model is used for setting different types of faults in the power distribution network, the monitoring system simulates fault information and sends the fault information to the master station, and before the switch parameter model is established, a power distribution network diagram in a line is drawn and topology is generated.
The method for establishing the power distribution network model according to the power distribution field condition further comprises a load model and a power model, wherein the load model is used for setting the load value of each power distribution section in the test case, and the power model is used for modeling the distributed power supply in the system model.
A test system based on a power distribution network model, comprising:
the system comprises an establishing module, a monitoring module and a control module, wherein the establishing module is used for establishing a power distribution network model according to the power distribution field condition;
the simulation module is used for simulating potential faults possibly existing in the power distribution network according to the power distribution network model and recording the potential faults;
and the detection module is used for transmitting the information of the latent fault to a monitoring system, and the monitoring system detects whether the logic action of the main station FA is correct by adopting the latent fault.
The invention has the beneficial effects that:
the method comprises the steps that a power distribution network model for testing the FA logic of a main station is established, various types of faults possibly existing in the power distribution network are simulated according to the power distribution network model, and a monitoring system uses the simulated faults in the power distribution network model to detect whether the FA logic action of the main station is correct or not, so that potential hidden dangers are eliminated in time, and an automatic testing process is completed; the technical problems that in the prior art, some potential fault information exists in a power distribution network system sometimes, potential hidden dangers can appear if the potential hidden dangers are not checked in time, the workload is undoubtedly increased by adopting a field direct checking mode, the operation is troublesome, the existing automation requirements cannot be met and the like are solved.
Drawings
FIG. 1 is a schematic flow diagram of the present invention;
FIG. 2 is a schematic block diagram of the internal circuitry of the tester used in the embodiment;
FIG. 3 is a schematic diagram of the internal circuit layout of the tester used in the embodiment;
FIG. 4 is a schematic block circuit diagram of a power supply system in the test meter used in the embodiment;
FIG. 5 is a schematic block diagram of the main control module of the tester used in the embodiment;
FIG. 6 is a schematic block circuit diagram of a voltage output module in a tester used in an embodiment;
FIG. 7 is a schematic block circuit diagram of a current output module in a tester used in the embodiment;
FIG. 8 is a schematic block circuit diagram of a remote signaling module in a tester used in the embodiments;
fig. 9 is a schematic block circuit diagram of a remote control module in the tester used in the embodiment.
Detailed Description
As shown in fig. 1, a testing method based on a power distribution network model of the present invention includes the following steps:
firstly, establishing a power distribution network model according to the power distribution field condition;
the specific process comprises the following steps:
establishing a channel model for parameter configuration according to the condition of a power distribution field;
configuring device meter parameters and master station communication parameters by using the channel model, and respectively obtaining a device meter model and a switch parameter model after configuration;
and simulating a power distribution field based on the channel model, the device meter model and the switch parameter model to obtain a power distribution network model.
In the above process, the parameters configured by the channel model mainly include a channel number, a channel name and communication parameters, and the channel model is further used for communication and data exchange between the master station and the monitoring system, so that whether the FA logic action of the master station is correct can be monitored.
The channel number is mainly used for identifying which device the channel is connected with, the channel number cannot be repeated, the channel name is used for explaining which device the channel is connected with, and the communication parameters are mainly used for setting the communication parameters using the channel and comprise TCP and serial port communication.
Preferably, the device table model is used for simulating field terminal information, establishing a terminal model according to the field terminal information, and communicating with the master station by using the channel model.
The device table model simulates field terminal information, establishes a terminal model according to the field terminal information and communicates with the master station through a channel. According to the model to be established, a plurality of device table models can be established according to a plurality of terminal devices, wherein each device table can only correspond to one channel. Each instrument table model can collect one or more switch model data and transmit the data to the master station through a corresponding communication protocol. The master station analyzes and judges the data in the operation of the models correspondingly, and sends a remote control command to the monitoring system, and the monitoring system receives the remote control command and makes a corresponding switch closing action.
Wherein, the parameters of the device table model mainly comprise:
the method comprises the steps of identifying a device serial number unique to a device model, describing a device name of device model information, configuring a channel to which a communication channel belongs, configuring a device address of a device model address, selecting a communication protocol for communication of a communication protocol, selecting a terminal type of a terminal type, setting a communication constant of a communication parameter, setting a remote sensing number of the device model, and setting a remote control number of the remote sensing number of the device model.
In an embodiment of the present invention, the switch parameter model is used to set different types of faults in the power distribution network, the monitoring system simulates the fault information and sends the fault information to the master station, and before the switch parameter model is established, the method further includes drawing a power distribution network diagram in a line and generating a topology.
Wherein, the left and right terminal numbers in the switch model are the identifications connecting each switch. Each switch can generate a node one by one through topology by means of the left terminal number and the right terminal number, each node corresponds to the terminal numbers corresponding to the two switches, and because the terminal numbers are unique, the generated node information (switch terminal numbers) are different, so that the integrity of the power distribution network model is ensured.
After the model parameter configuration is completed, a power distribution network diagram needs to be drawn, and then a topology is generated. In this way, the entire model is only really built. On the basis of the model, different types of faults can be set in the power distribution network, and the monitoring system simulates fault information in the operation process and transmits the fault information to the master station. And the main station FA determines the position and the type of the fault by analyzing the fault information, and sends a remote control command to isolate the fault. After the fault isolation is successful, the main station can issue corresponding opening and closing commands, so that the power supply of the fault area is recovered.
The test case testing system further comprises a load model and a power supply model, wherein the load model is used for setting the load values of all power distribution sections in the test case, and the current values of the switches are calculated through analysis of the load values of the sections in the testing process. Each section corresponds to a load model, which needs to be set, a load ID, a load value and a terminal number. After the load model configuration is completed, the load primitives and the relevant segments need to be associated when the graph is drawn, so that topology information is formed.
The power model is used for modeling the distributed power supply in the system model, and power identification, name, capacity and terminal identification are required to be set. And associating the power source primitive with the model to generate topological information during drawing.
Secondly, potential faults possibly existing in the power distribution network are simulated according to the power distribution network model, and the potential faults are recorded;
after the power distribution network module is established, simulating various types of faults possibly existing in the power distribution network according to the field condition of feeder automation;
and thirdly, transmitting the information of the potential faults to a monitoring system, wherein the monitoring system detects whether the FA logic action of the main station is correct by adopting the potential faults, and the fault test is completed.
In the testing process, once a logic action error is detected by simulating a fault position, the fault is shown to exist in the site position and needs to be checked, the main station FA determines the fault type and the fault position by analyzing fault information, sends a remote control command down, isolates the fault, and sends corresponding opening and closing commands down after the fault isolation is successful, so that the power supply of a fault area is recovered, and the checking is not needed for the position with correct logic action.
It should be noted that, in this embodiment, when performing a feeder automation power distribution simulation test, a feeder tester is used for testing, the feeder tester is a special instrument for testing the standing-wave ratio and matching property of the base station antenna and the feeder, and is also called a standing-wave ratio tester, the feeder tester can test the standing-wave ratio and matching property of the base station antenna and the feeder, cable loss, and long-distance fault location, can quickly evaluate the condition of the transmission line and the antenna system, and can accelerate the installation and debugging time required by a new base station. In this embodiment, an internal circuit structure of the tester body 1 is as shown in fig. 2, and includes a main control module, and a remote control module, a remote signaling module, a voltage output module, a current output module, and a data bus interface connected to the main control module. The power supply system supplies power to the main control module, the remote signaling module, the voltage output module and the current output module. The above modules may adopt the layout mode as shown in fig. 3 in the case, in fig. 3, the power supply system includes a high-power switching power supply; the main control module is realized based on a Cortex M4 processor, the Cortex M4 processor performs data interaction with the embedded computer, and the embedded computer performs data interaction with a data bus and external input and output equipment (such as a touch screen, a mouse and the like); the four current output plates correspond to the current output module, and each current output plate provides 2 paths of output; the four voltage output plates correspond to the voltage output module, and each voltage output plate also provides 2 paths of output; the DI board and the DO board are respectively a remote signaling module and a remote control module.
In this embodiment, the power supply system adopts a circuit structure as shown in fig. 4, and includes ± 15V, 80A high-power switching power supplies, 400V, 200W power supplies, 24V, 1A switching power supplies, ± 15V, 1A switching power supplies, and 5V, 15A switching power supplies, the power supplies are uniformly supplied by an external 220V power supply to generate working voltages (working currents) required by the modules, respectively, the ± 15V, 80A high-power switching power supplies, the 400V, 200W power supplies supply power for the voltage output module and the current output module, and analog circuit portions of the voltage output module and the current output module are supplied by the ± 15V, 1A switching power supplies. The 24V and 1A switch power supplies power for the remote signaling module DI and the remote control module DO, the +/-15V and 1A switch power supplies power for the main control circuit module, and the 5V and 15A switch power supplies power for the remote signaling module DI, the remote control module DO, the main control module and the embedded computer.
In this embodiment, the main control module adopts a circuit structure as shown in fig. 5, and based on the Cortex M4 processor, the Cortex M4 processor provides a GPS module interface, an IRIG-B input interface, a serial interface, and an ethernet interface to the outside. And the GPS module is used for receiving a GPS clock signal and providing accurate clock information for the feeder line tester. And the IRIG-B input module is used for receiving the B code signal and also providing accurate clock information for the feeder line tester. In the embodiment, a diversified clock synchronization interface is provided for the feeder line tester through two interfaces, namely the GPS module and the IRIG-B input module. The serial port is used for communication with external devices, including but not limited to 485 interfaces and 232 interfaces. The ethernet interface is used for communication with external devices.
The lithium battery and the high-precision active crystal oscillator form a timekeeping circuit, and the high-precision active crystal oscillator is connected with the Cortex M4 processor. When the Cortex M4 processor cannot acquire the GPS information and the IRIG-B signal, the accurate clock can be continuously maintained by the timekeeping circuit, for example, when the feeder line tester disclosed in this embodiment is used in a basement scene, the power can be turned off and the basement can be used after the time synchronization is completed by the GPS module and/or the IRIG-B input module outside the basement. During the power-off process, the clock of the whole feeder tester is kept by the timekeeping circuit.
The Cortex M4 processor is also connected with a CPLD bus logic module, which is an extension of the bus interface and is used for the state acquisition and control of the main control module and the sub-modules.
The main control module is provided with an RAM storage unit, an FLASH storage unit, a digital-to-analog conversion module DA and an analog-to-digital conversion module AD. The RAM storage unit is the memory of the feeder tester, and the FLASH storage unit is the storage of the feeder tester. A digital-to-analog output channel is provided by the digital-to-analog conversion module DA, and the output analog quantity is sent to the current output voltage and voltage output module for driving the voltage power amplifier and the current power amplifier. A channel for converting analog quantity into digital quantity is provided through the analog-to-digital conversion module AD, and the analog quantity output by the voltage power amplifier and the current power amplifier is collected through the channel to form a closed loop, so that the output precision of the feeder line tester is improved.
The master control module is also provided with a 485 serial port interface, and the 485 serial port interface is an internal communication interface and is used for communicating with the sub-modules.
In this embodiment, the voltage output module adopts the circuit structure shown in fig. 6, after DC400V provided by 400V and 200W power supplies is input into the voltage output module, the DC400V is converted into a power supply capable of adjusting voltage by isolating the controllable switching power supply from ± 40V to ± 400V, and the power supply is supplied to the voltage power amplifier (i.e., "IGBT pair transistor" in the figure), and the voltage after power amplification is output to the outside through the voltage output circuit. After the voltage is output, the voltage is collected by a measurement PT and then is sent to a measurement feedback circuit, and a signal output by the measurement feedback circuit is sent to a channel of an analog quantity-to-digital quantity of a main control module, so that the closed loop is realized, and the output precision of the feeder line tester is improved.
The waveform input signal comes from a digital-to-analog conversion module DA of the main control module, and an analog signal (alternating current) output by the digital-to-analog conversion module DA is isolated to the alternating current/direct current switching unit through a current type PT. Meanwhile, the 485 signal is isolated and then controls the MCU to output direct-current voltage to be sent to the alternating-current and direct-current switching unit. And the signal output by the alternating current-direct current switching unit is sent to the operational amplifier module for processing and then controlling the output of the voltage power amplifier. The 24V input of the +/-15V and 1A switching power supply output supplies power for the operational amplifier module.
The bus input latching signal is transmitted to the quantity control module after optical coupling isolation, and the output of the quantity control module is also input into the alternating current-direct current switching unit, so that the voltage output module can automatically adjust a proper quantity range according to the amplitude of the output voltage, and the precision of the output voltage analog quantity is improved.
In order to improve the control effect of the voltage output module, the voltage signal output by the voltage output circuit is collected through the feedback circuit and fed back to the operational amplifier module and the MCU, so that closed-loop control is realized.
In this embodiment, the current output module adopts a circuit structure as shown in fig. 7, which is similar to the voltage output module, wherein a ± 15V input provided by a ± 15V, 80A high-power switching power supply is provided for a current power amplifier (i.e., a "T0-3 power pair tube" part in the figure), and the current after power amplification is output to the outside through the current output circuit.
The output of the current power amplifier is sampled by a sampling feedback circuit, and the output of the current output circuit is sampled by a measuring CT module. The sampling current fed back by the measurement CT module is sent to an analog-to-digital conversion module AD of the main control module, so that closed-loop control is realized.
The waveform input signal comes from a digital-to-analog conversion module DA of the main control module, an analog signal (alternating current) output by the digital-to-analog conversion module DA is isolated to the operational amplifier module through a current type CT, meanwhile, a bus input latch signal is transmitted to the measurement control module after being isolated by an optical coupler, and the output of the measurement control module is also input to the operational amplifier module. The operational amplifier module also receives the sampling current from the feedback circuit output. After the operational amplifier module processes the input signal, the current power amplifier is controlled, on one hand, closed-loop control of the current power amplifier is achieved, on the other hand, the current output module can automatically adjust a proper measuring range according to the amplitude of the output current, and the precision of the output current analog quantity is improved.
In this embodiment, a circuit structure adopted by the remote signaling module is as shown in fig. 8, DI inputs 1 to n are collected external state quantities, and a mode of resistance voltage division and AD collection is adopted for design. For example, the high level of the external state quantity to be acquired is 24V, and the acquisition of the external state quantity can be realized by setting the acquisition level threshold of the ADC and considering the high level when the acquisition level threshold is greater than 80% of 24V.
The remote signaling module is used for realizing control over external equipment, in this embodiment, a circuit structure adopted by the remote signaling module is as shown in fig. 9, DO outputs 1 to n are control signals output to the external equipment, and after the control signals given by the control module are temporarily stored by the latch, the output of the control signals is realized by controlling the optocoupler relay.
In one embodiment, a system of the present invention includes:
the system comprises an establishing module, a monitoring module and a control module, wherein the establishing module is used for establishing a power distribution network model according to the power distribution field condition;
the simulation module is used for simulating potential faults possibly existing in the power distribution network according to the power distribution network model and recording the potential faults;
and the detection module is used for transmitting the information of the latent fault to a monitoring system, and the monitoring system detects whether the logic action of the main station FA is correct by adopting the latent fault.
It should be noted that the division of the modules of the above apparatus is only a logical division, and the actual implementation may be wholly or partially integrated into one physical entity, or may be physically separated. And these modules can be realized in the form of software called by processing element; or may be implemented entirely in hardware; and part of the modules can be realized in the form of calling software by the processing element, and part of the modules can be realized in the form of hardware. For example, the x module may be a processing element that is set up separately, or may be implemented by being integrated in a chip of the apparatus, or may be stored in a memory of the apparatus in the form of program code, and the function of the x module may be called and executed by a processing element of the apparatus. Other modules are implemented similarly. In addition, all or part of the modules can be integrated together or can be independently realized. The processing element described herein may be an integrated circuit having signal processing capabilities. In implementation, each step of the above method or each module above may be implemented by an integrated logic circuit of hardware in a processor element or an instruction in the form of software.
For example, the above modules may be one or more integrated circuits configured to implement the above methods, such as: one or more Application Specific Integrated Circuits (ASICs), or one or more Digital Signal Processors (DSPs), or one or more Field Programmable Gate Arrays (FPGAs), etc. For another example, when one of the above modules is implemented in the form of a Processing element scheduler code, the Processing element may be a general-purpose processor, such as a Central Processing Unit (CPU) or other processor capable of calling program code. For another example, these modules may be integrated together and implemented in the form of a system-on-a-chip (SOC).
The present invention provides a storage medium having stored thereon a computer program which, when executed by a processor, implements any of the methods described above.
The present invention provides a terminal, including: a processor and a memory;
the memory is used for storing a computer program;
the processor is configured to execute the computer program stored in the memory to cause the terminal to perform any of the methods described above.
Preferably, the Processor may be a general-purpose Processor, including a Central Processing Unit (CPU), a Network Processor (NP), and the like; the integrated Circuit may also be 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 device, or discrete hardware components.
It should be noted that the system of the present invention can implement the method of the present invention, but the implementation device of the method of the present invention includes, but is not limited to, the structure of the system illustrated in the present embodiment, and all the structural modifications and substitutions of the prior art made according to the principle of the present invention are included in the protection scope of the present invention.
It should be noted that the protection scope of the method of the present invention is not limited to the execution sequence of the steps illustrated in the embodiment, and all the solutions implemented by adding, subtracting, and replacing steps in the prior art according to the principle of the present invention are included in the protection scope of the present invention.
In summary, the testing method, system, medium and terminal based on the power distribution network model of the present invention have the following advantages:
the invention establishes the power distribution network model for testing the FA logic of the main station, simulates various types of faults possibly existing in the power distribution network according to the power distribution network model, and the monitoring system uses the simulated faults in the power distribution network model to detect whether the FA logic action of the main station is correct or not, thereby eliminating potential hidden dangers in time and completing the automatic testing process.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (8)
1. A test method based on a power distribution network model comprises the following steps:
step 1, establishing a power distribution network model according to the power distribution field condition;
step 2, potential faults possibly existing in the power distribution network are simulated according to the power distribution network model, and the potential faults are recorded;
and 3, transmitting the information of the potential fault to a monitoring system, wherein the monitoring system detects whether the FA logic action of the main station is correct by adopting the potential fault to complete the fault test.
2. The power distribution network model-based testing method of claim 1, wherein: step 1, establishing a power distribution network model according to the power distribution field condition comprises the following steps:
establishing a channel model for parameter configuration according to the condition of a power distribution field;
configuring device meter parameters and master station communication parameters by using a channel model, and respectively obtaining a device meter model and a switch parameter model after configuration;
and simulating a power distribution field based on the channel model, the device meter model and the switch parameter model to obtain a power distribution network model.
3. The power distribution network model-based testing method of claim 2, wherein: the parameters configured by the channel model comprise a channel number, a channel name and communication parameters, and the channel model is also used for communication between the main station and the monitoring system and data exchange.
4. The power distribution network model-based testing method of claim 2, wherein: the device table model is used for simulating field terminal information, establishing a terminal model according to the field terminal information and communicating with the master station by utilizing the channel model.
5. The power distribution network model-based testing method of claim 2, wherein: each instrument table model collects data of one or more switch parameter models and sends the data to the master station through corresponding communication protocols.
6. The power distribution network model-based testing method of claim 2, wherein: the switch parameter model is used for setting different types of faults in the power distribution network, the monitoring system simulates fault information and sends the fault information to the master station, and before the switch parameter model is established, a power distribution network diagram in a line is drawn and topology is generated.
7. The power distribution network model-based testing method of claim 2, wherein: the method for establishing the power distribution network model according to the power distribution field condition further comprises a load model and a power model, wherein the load model is used for setting the load value of each power distribution section in the test case, and the power model is used for modeling the distributed power supply in the system model.
8. A test system based on a power distribution network model, comprising:
the system comprises an establishing module, a monitoring module and a control module, wherein the establishing module is used for establishing a power distribution network model according to the power distribution field condition;
the simulation module is used for simulating potential faults possibly existing in the power distribution network according to the power distribution network model and recording the potential faults;
and the detection module is used for transmitting the information of the latent fault to a monitoring system, and the monitoring system detects whether the logic action of the main station FA is correct by adopting the latent fault.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010289848.6A CN111355237A (en) | 2020-04-14 | 2020-04-14 | Test system and method based on power distribution network model |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010289848.6A CN111355237A (en) | 2020-04-14 | 2020-04-14 | Test system and method based on power distribution network model |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111355237A true CN111355237A (en) | 2020-06-30 |
Family
ID=71196445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010289848.6A Pending CN111355237A (en) | 2020-04-14 | 2020-04-14 | Test system and method based on power distribution network model |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111355237A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111830846A (en) * | 2020-07-24 | 2020-10-27 | 贵州电网有限责任公司 | Power distribution network fault testing method and system based on simulation testing platform |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104020761A (en) * | 2014-06-12 | 2014-09-03 | 国网上海市电力公司 | Automatic feeder testing system free of networking |
| CN105259476A (en) * | 2015-11-04 | 2016-01-20 | 海南电力技术研究院 | Detection method and system of line fault positioning system of power distribution network |
| CN105405334A (en) * | 2015-12-11 | 2016-03-16 | 贵州电网公司培训与评价中心 | Power distribution automation system and simulation method |
| CN106026087A (en) * | 2016-07-11 | 2016-10-12 | 国家电网公司 | Fault scene simulation method of distribution network with distributed power supply |
| CN106329539A (en) * | 2016-09-07 | 2017-01-11 | 云南电网有限责任公司电力科学研究院 | Method and device for improving voltage sag of distribution network |
| CN106356849A (en) * | 2016-10-31 | 2017-01-25 | 山东山大电力技术有限公司 | Power distribution network reconstruction multi-objective optimization method containing section switch configuration |
-
2020
- 2020-04-14 CN CN202010289848.6A patent/CN111355237A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104020761A (en) * | 2014-06-12 | 2014-09-03 | 国网上海市电力公司 | Automatic feeder testing system free of networking |
| CN105259476A (en) * | 2015-11-04 | 2016-01-20 | 海南电力技术研究院 | Detection method and system of line fault positioning system of power distribution network |
| CN105405334A (en) * | 2015-12-11 | 2016-03-16 | 贵州电网公司培训与评价中心 | Power distribution automation system and simulation method |
| CN106026087A (en) * | 2016-07-11 | 2016-10-12 | 国家电网公司 | Fault scene simulation method of distribution network with distributed power supply |
| CN106329539A (en) * | 2016-09-07 | 2017-01-11 | 云南电网有限责任公司电力科学研究院 | Method and device for improving voltage sag of distribution network |
| CN106356849A (en) * | 2016-10-31 | 2017-01-25 | 山东山大电力技术有限公司 | Power distribution network reconstruction multi-objective optimization method containing section switch configuration |
Non-Patent Citations (3)
| Title |
|---|
| 嵇文路 等: "基于主站的分布式馈线自动化系统配置方法研究", 《电气自动化》 * |
| 徐长宝 等: "接力式馈线自动化测试方法研究与应用", 《电测与仪表》 * |
| 银哲 等: "馈线自动化仿真培训系统的研发", 《中国电力教育》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111830846A (en) * | 2020-07-24 | 2020-10-27 | 贵州电网有限责任公司 | Power distribution network fault testing method and system based on simulation testing platform |
| CN111830846B (en) * | 2020-07-24 | 2022-08-19 | 贵州电网有限责任公司 | Power distribution network fault testing method and system based on simulation testing platform |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105785199B (en) | Multifunctional ligand electric terminals integrated test system and its working method | |
| CN103076520A (en) | Dynamic analogue simulation detection platform and analogue simulation method for secondary system of intelligent substation | |
| CN104020374A (en) | Intelligent substation secondary equipment site-wide simulation test system | |
| CN106771762A (en) | The distribution terminal closed loop detecting system and method with secondary injection are transmitted based on simulation | |
| CN203117313U (en) | Dynamic simulation and emulation detecting platform for intelligent substation secondary system | |
| CN109582004B (en) | Intelligent detection platform | |
| CN109613906B (en) | Third-generation intelligent substation measurement and control submachine test system and application method thereof | |
| CN108982996B (en) | Outdoor scene substitution type extra-high voltage direct current protection field testing device | |
| CN110161331B (en) | Detection platform for primary and secondary fusion complete equipment and control method | |
| CN107491569B (en) | Transformer substation system fault online simulation method based on IEC61850 standard GOOSE and SV technology | |
| CN109541353A (en) | Power distribution automation detection system | |
| CN203069709U (en) | Intelligent transformer station relay protection device detector based on DDRTS | |
| CN110942400B (en) | Automatic point-to-point method and device for intelligent substation monitoring system | |
| CN109918725A (en) | Integrated test method based on the modeling of emulation platform secondary device | |
| CN105847076B (en) | Signal testing system, method and device for substation control level equipment of transformer substation | |
| CN111458586B (en) | Batch synchronous detection method and system for multi-interval in-situ line protection device of intelligent substation | |
| CN104267283A (en) | Platform and method for testing process layer to spacer layer of digital substation | |
| CN109030971B (en) | Method for forming flexible direct current FT3 message template library | |
| CN105680441A (en) | Simulated replacement technique-based simulated point-alignment device | |
| CN107766649A (en) | A kind of system protection real-time closed-loop emulation test system and its operation method | |
| CN111355237A (en) | Test system and method based on power distribution network model | |
| CN113224840A (en) | Intelligent measuring terminal for topology identification | |
| CN112034295A (en) | Beidou system-based optical fiber differential protection field simulation test system and method | |
| Yu et al. | Design and Application of Distributed Feeder Automation Simulation Test Platform | |
| CN113281604A (en) | RT-LAB-based power distribution network self-healing function test system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |