Power distribution network uninterruptible operation training system

Abstract

The invention discloses a power distribution network uninterruptible operation practical training system, which comprises a power distribution network model unit, a load unit, a fault simulation unit, a monitoring display unit, an interaction terminal, a practical training evaluation unit and a multimedia unit, the monitoring module is used for monitoring and displaying operation states and key parameters of the power distribution network model unit; the fault simulation unit comprises a control cabinet, a fault simulation controller and a relay, buses with the same number as the output terminals of the power distribution network model are vertically arranged in the control cabinet, and the output terminals of the power distribution network model unit are respectively connected with the load unit through the corresponding buses; the practical training system is unique in structure and ingenious in design, can effectively solve the problems that an existing practical training system mainly depends on theoretical explanation and simulation software, the practical training content pertinence is not high, and fault simulation is single, and can also effectively solve the problem that the practical training result evaluation of the existing practical training system is single and incomplete.

Description

Technical Field

[0001] The invention belongs to the technical field of distribution network training, and in particular relates to a distribution network non-stop operation training system. Background Art

[0002] With the continuous development of the power system and the continuous growth of electricity demand, the safe and stable operation of the distribution network is particularly important. In order to ensure the reliability of power supply and the quality of power, and reduce the impact of power outages on users, the technology of non-stop operation of the distribution network has emerged. This technology can maintain, overhaul and upgrade the distribution network without power outages, greatly improving the reliability of power supply and work efficiency; however, the non-stop operation of the distribution network requires high skills and experience of the operators. The slightest negligence may cause serious safety accidents and economic losses, so it is necessary to improve the skills and practical operation capabilities of the operators and reduce the operation risks.

[0003] In order to improve the skill level and practical operation ability of operators and reduce operation risks, power departments and related colleges and universities have begun to pay attention to the practical training of non-stop operation technology. However, the traditional training system mainly relies on theoretical explanations and simulation software. The training content is not very targeted, the fault simulation is single and incomplete, and when evaluating the operator's training performance, only the training results are evaluated. There is a lack of objective and comprehensive evaluation of the operator's entire training process, which makes it difficult to meet the increasingly high training requirements. Summary of the invention

[0004] In view of the defects and problems existing in the existing distribution network training system, the present invention provides a distribution network non-stop operation training system. The system has a unique structure and ingenious design. It can not only effectively solve the problems that the existing training system mainly relies on theoretical explanations and simulation software, the training content is not very targeted, and the fault simulation is single, but also effectively solve the problem that the existing training system has a single and incomplete evaluation of training results.

[0005] The solution adopted by the present invention to solve its technical problems is: a distribution network non-stop operation training system, including a distribution network model unit, a load unit, a fault simulation unit, a monitoring display unit, an interactive device, a training evaluation unit and a multimedia unit, wherein the monitoring display unit and the distribution network model unit are used to monitor and display the operating status and key parameters of the distribution network model unit; the fault simulation unit includes a control cabinet, a fault simulation controller and a relay, and the control cabinet is vertically provided with busbars with the same number as the output terminals of the distribution network model, and the output terminals of the distribution network model unit are respectively connected to the load unit through the corresponding busbars, and the load unit is used to simulate power supply to users with different load types and capacities; each of the busbars is installed with a relay controller for controlling the on and off of the busbar and the on and off of the busbar. The connection and disconnection of a busbar with the next busbar, the relay is connected to the fault simulation controller, the fault simulation controller numbers the relays on the busbars in the same control cabinet, and can control the corresponding numbered relays to execute the fault simulation instructions according to the instructions; the interactive device is connected to the fault simulation controller, and is used to send fault simulation instructions to the fault simulation controller. The training evaluation unit includes a fault scenario database, a retrieval module and a central control module. The retrieval module is connected to the fault simulation controller, and the retrieval module will match the data in the fault scenario database according to the fault simulation instructions received by the fault simulation controller, and send the matched data to the central control module for use; the multimedia module includes an audio and video acquisition module, and the output end of the audio and video acquisition module is communicatively connected to the central control module.

[0006] The audio and video acquisition module includes an audio acquisition module and a video acquisition module. The output ends of the audio acquisition module and the video acquisition module are connected to the central control module. The input ends of the audio acquisition module and the video acquisition module are respectively connected to a microphone and a camera to record the operation process of the trainees, and transmit the recorded operation process data to the central control module for comparison with the fault scenario database data received by the central control module.

[0007] The fault scenario database includes a fault scenario model established according to the standardized fault processing process. The fault scenario model includes distribution network fault type data and standardized processing process data when professionals handle corresponding distribution network faults. After receiving the trainee's operation process data, the central processing module compares it with the received standardized processing process data to judge the training operation process and results.

[0008] The standardized processing flow data includes standardized processing flow data for multiple types of work. After receiving the operation flow data of the trainee, the central processing module compares it with the standardized processing flow data of the same type of trainee in the received standardized processing flow data.

[0009] The multimedia module also includes an audio and video output module, the input end of which is connected to the central control module, and the output end of which is connected to a speaker and a display screen, for playing intercom voice and operation video of the standardized processing process data of other types of work except for the trainee type in the standardized processing process data received by the central control module.

[0010] The distribution network model unit includes a power supply module, a transformer module and a distribution module. The power supply module is connected to the high-voltage side of the transformer module to simulate a high-voltage power supply. The input terminal of the distribution module is connected to the low-voltage side of the transformer module. The output terminal of the distribution module is connected to the load unit through the corresponding bus.

[0011] A busbar frame for fixing the busbar is installed in the control cabinet.

[0012] A knob switch is connected to each busbar in the control box, and the knob end of the knob switch extends outward from the control box. The knob switch is provided with three connection terminals. The first connection terminal is connected to the busbar on the output terminal side of the distribution network model unit of the relay through a lead wire, and the second connection terminal and the third connection terminal are connected to the busbar on the load unit side of the relay through a lead wire, and the second connection terminal and the third connection terminal are in a normally connected state. The second connection terminal and the third connection terminal can be disconnected by the knob end to connect the second connection terminal to the first connection terminal.

[0013] Beneficial effects of the invention: Compared with the existing distribution network training system, the distribution network non-stop operation training system provided by the invention has the following beneficial effects: 1. The power module simulates high-voltage power supply, reduces the risk of practical training, realizes the training function of non-stop operation of distribution network, and provides a practical operation platform for technicians. The distribution network model unit simulates the real distribution network environment, and trainees can conduct practical exercises under safe and controllable conditions to improve their actual work ability.

[0014] 2. The system has complete functional units, including distribution network model, load simulation, fault simulation, monitoring display, interactive control, training evaluation, multimedia recording, etc. It can fully simulate all aspects of distribution network operation and realize a complete training process.

[0015] 3. The fault simulation unit is flexibly designed. Through the busbar and relays in the control cabinet, various fault scenarios can be set as needed, with a wide coverage to meet different training needs.

[0016] 4. The training evaluation unit can objectively record and evaluate the trainees’ operations. By comparing with the standard procedures, improper operations can be discovered in a timely manner, which will help trainees improve their operations and enhance their skills.

[0017] 5. The multimedia module can record the audio and video materials of the entire training process, providing intuitive and detailed first-hand materials for training effect evaluation, experience summary and training teaching.

[0018] 6. The training environment is realistic, covering all aspects of distribution network operation, which helps trainees to fully and systematically master the relevant knowledge and skills of non-stop operation of distribution network and shorten the transition period from theoretical learning to practical work. The training system is highly targeted, fully functional and cleverly designed, which solves the key problems in the training of non-stop operation of distribution network and is of great significance to the training and practical work of relevant technical personnel. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of the present invention.

[0020] Figure 2 It is a structural schematic diagram of the fault simulation unit of the present invention.

[0021] Figure 3 It is a schematic diagram of the setting of the knob switch of the present invention.

[0022] Figure 4 It is a schematic diagram of the connection relationship between the knob switch and the busbar of the present invention.

[0023] Figure 5 It is a schematic diagram of the control cabinet structure of the present invention.

[0024] Figure 6 It is a schematic diagram of the structure of the interactive device of the present invention.

[0025] The numbers in the figure are: 1 is a control cabinet, 2 is a knob switch, 21 is a first connecting terminal, 22 is a second connecting terminal, 23 is a third connecting terminal, 31 is a bracket, 32 is a guide sleeve, 33 is an annular signal disk, 34 is an arc groove, 35 is a fixed shaft, 36 is a control disk, 37 is a raised terminal, 38 is a top spring, and 39 is a baffle. DETAILED DESCRIPTION

[0026] The present invention is further described below in conjunction with the accompanying drawings and embodiments. Example

[0027] This embodiment provides a distribution network non-stop operation training system. Figure 1As shown, it includes a distribution network model unit, a load unit, a fault simulation unit, a monitoring and display unit, an interactive device, a training and evaluation unit and a multimedia unit. The monitoring and display unit and the distribution network model unit are used to monitor and display the operating status and key parameters of the distribution network model unit; the fault simulation unit includes a control cabinet, a fault simulation controller and a relay. The control cabinet is vertically provided with busbars with the same number of output terminals of the distribution network model. The output terminals of the distribution network model unit are respectively connected to the load unit through the corresponding busbars. The load unit is used to simulate power supply to users of different load types and capacities. Specifically: The distribution network model unit includes a power module, a transformer module and a distribution module. The power module is connected to the high-voltage side of the transformer module to simulate the high-voltage power supply. The input terminal of the distribution module is connected to the low-voltage side of the transformer module. The output terminal of the distribution module is connected to the load unit through the corresponding busbar. The distribution module includes an incoming cabinet, a busbar cabinet and a feeder cabinet. The input terminal of the incoming cabinet is connected to the low-voltage side of the transformer module, the input terminal of the busbar cabinet is connected to the output terminal of the incoming cabinet, and the output terminal of the busbar cabinet is connected to the input terminal of the feeder cabinet. The number of control cabinets is the same as the number of feeder cabinets, and they are respectively installed on the cabinets of the corresponding feeder cabinets. The number of busbars in the control cabinet is the same as the number of output terminals of the feeder cabinet on the same side, and each output terminal of the feeder cabinet on the same side is connected to the load unit through the corresponding busbar. The distribution network model simulates the high-voltage power supply through the power module, thereby reducing the risk of practical training operations and realizing the practical training function of the distribution network without power outages. It provides a practical operation platform for technical personnel, so that trainees can conduct practical exercises under safe and controllable conditions and improve their actual work ability.

[0028] A relay controller is installed on each bus to control the on and off of the bus and the on and off of the bus with the next bus. The relay on the last bus is used to control the on and off of the bus and the on and off of the bus with the first bus at the top. The busbars in the control box are all in a normally on state, that is, the distribution network model unit is in a normal operating state without any faults.

[0029] The relay is connected to the fault simulation controller, which numbers the relays on the bus in the same control cabinet and can control the corresponding numbered relays to execute the fault simulation instructions according to the instructions; the interactive device is connected to the fault simulation controller and is used to send the fault simulation instructions to the fault simulation controller, for example: In this embodiment, the power supply module simulates a three-phase four-wire power supply, and the output terminal of the feeder cabinet outputs three-phase live wires and one neutral wire, that is, three live wires and one neutral wire. The three-phase live wires and one neutral wire are respectively connected to bus A, bus B, bus C, and bus N in the control cabinet. When the on-site personnel send a fault simulation instruction to the fault simulation controller through the interactive device, the controller controls relay J1 on bus A to open the circuit of bus A, and controls relay J1 to connect the live section of bus A with bus B. Compared with the traditional training system which mainly relies on theoretical explanations and simulation software, the distribution network non-stop operation training system provided by this embodiment can simulate various circuit faults according to the fault simulation instructions, thereby effectively solving the problems that the training content of the traditional training system is not very targeted and the fault simulation is single and incomplete.

[0030] The training evaluation unit includes a fault scenario database, a retrieval module and a central control module. The retrieval module is connected to the fault simulation controller, and the retrieval module matches the data in the fault scenario database according to the fault simulation instruction received by the fault simulation controller, and sends the matched data to the central control module for use; the multimedia module includes an audio and video acquisition module, the output end of which is connected to the central control module for communication to record the operation process of the trainees, and transmits the recorded operation process data to the central control module for comparison with the corresponding fault standardized processing process data in the data received by the central control module, specifically: The audio and video acquisition module includes an audio acquisition module and a video acquisition module. The output ends of the audio acquisition module and the video acquisition module are connected to the central control module. The input ends of the audio acquisition module and the video acquisition module are respectively connected to a microphone and a camera to record the operation process of the trainees, and transmit the recorded operation process data to the central control module for comparison with the fault scenario database data received by the central control module. The fault scenario database includes a fault scenario model established according to the standardized fault processing process. The fault scenario model includes distribution network fault type data and standardized processing process data of professionals when processing corresponding distribution network faults. After receiving the trainee operation process data, the central processing module compares it with the received standardized processing process data, and judges the training operation process and results, so as to facilitate the trainees to find out the shortcomings and improve the training effect, thereby comprehensively evaluating the trainees' operations and results, which can effectively meet the increasing training requirements. Example

[0031] The difference between Example 2 and Example 1 is that the standardized processing flow data includes standardized processing flow data for multiple types of work, and after receiving the operation flow data of the trainee, the central processing module compares it with the standardized processing flow data of the same type of trainee in the received standardized processing flow data, and the multimedia module also includes an audio and video output module, the input end of the audio and video output module is connected to the central control module, and the output end of the audio and video output module is connected to a speaker and a display screen, which is used to play the intercom voice and operation video of the standardized processing flow data of other types of work except the type of trainee in the standardized processing flow data received by the central control module. The audio and video output module includes an audio output module and a video output module. The input ends of the audio output module and the video output module are connected to the central control module. The output ends of the audio output module and the video output module are respectively connected to speakers and display screens for playing intercom voice and operation video in the data received by the central control module. During the training process, the retrieval module matches the fault simulation instructions received by the fault simulation controller with the data in the fault scenario database, and sends the matched standardized processing flow data to the central control module. The central control module will automatically execute the standardized operating procedures of workers of different types from the trainees according to the type of trainees and the sequence of standardized operating procedures of each type of work, thereby training the linkage between trainees and other types of workers, improving their professional coordination proficiency, and preventing docking errors among operators during actual operations. Example

[0032] The difference between Example 3 and Example 2 is that Figure 3-5 As shown, each busbar in the control box 1 is connected to a knob switch 2, and the knob end of the knob switch 2 extends outward from the control box. The knob switch is provided with three connection terminals. The first connection terminal 21 is connected to the busbar on the output terminal side of the distribution network model unit of the relay through a lead wire, and the second connection terminal 22 and the third connection terminal 23 are connected to the busbar on the load unit side of the relay through a lead wire, and the second connection terminal and the third connection terminal are in a normally connected state. The second connection terminal and the third connection terminal can be disconnected through the knob end to connect the second connection terminal to the first connection terminal. During the training process, when the trainees determine the busbar circuit breaker fault through inspection, the trainees can quickly repair the corresponding busbar circuit breaker fault through the knob switch, thereby shortening the time for handling the circuit breaker fault, so that the trainees have enough energy to actually handle other faults. Example

[0033] The difference between Example 4 and Example 3 is that Figure 6As shown, the interactive device includes a dark box, a bracket 31 is fixed vertically in the dark box, a guide sleeve 32 is fixedly installed horizontally on the top of the bracket, and an annular signal disk 33 is fixedly installed at the front end of the guide sleeve coaxially, and a plurality of groups of fault contact groups are evenly spaced along the circumferential direction at the front end of the annular signal disk, and the fault contact groups and the fault simulation controller are in a normally off state, and the fault simulation controller numbers each fault contact group according to the type of fault simulation, and a control disk is rotatably installed at the front end of the annular signal disk, and the control disk is connected to the drive assembly in a transmission manner, and the control end of the drive assembly extends out of the dark box, and a passage terminal group is matched and installed at one end of the control disk facing the annular signal disk, and the control end of the drive assembly can drive the control disk to drive the passage terminal group to rotate to control the on and off of each fault contact group, specifically: The fault contact group includes two arc-shaped grooves 34 spaced apart in the radial direction, and an electrode sheet is arranged in the arc-shaped groove. The electrode sheet is connected to the fault simulation controller through a wire. When the two electrode sheets of the same fault contact group are connected to form a path, the fault simulation controller will execute the corresponding fault simulation instruction according to the number of the fault contact group. A fixed shaft 35 is axially slidably installed in the guide sleeve, and the fixed shaft can rotate in the guide sleeve. The front end of the fixed shaft 35 extends forward to form an annular signal disk, and is fixed together with the control disk 36 coaxially. The tail end of the fixed shaft extends backward to form a guide sleeve, and a baffle 39 is installed. A top spring 38 is matched on the fixed shaft between the baffle and the guide sleeve. The top spring will push the baffle backward in a natural state to drive the fixed shaft to drive the control disk to move backward, so that the control disk and the annular signal plate are in contact with each other; the passage terminal includes a radial gap Two arc-shaped raised terminals 37 are fixed on the rear end face of the control panel, and the two raised terminals are connected together by a wire. When the two raised terminals follow the rotation of the control panel and pass through the two arc-shaped grooves of the fault contact group, the two raised terminals will enter the corresponding arc-shaped grooves respectively, so that the electrode sheets in the two arc-shaped grooves are connected through the two raised terminals. Since the raised terminals are arc-shaped, when the control panel rotates to drive the raised terminals to move out of the arc-shaped grooves, the raised terminals will push the control panel forward along the inner groove wall of the arc-shaped groove to make it move forward and cooperate with the raised terminals to move out.

[0034] During use, since the control end of the drive component is located outside the dark box, the trainees and training managers cannot observe the coordination between the control panel and the annular signal panel, and thus cannot know the type of fault simulated in the training. The type of fault simulation in the training is randomly selected by the training managers or trainees by driving the control panel to rotate through the drive component, which reduces the risk of cheating and further improves the training effect.

[0035] There are many types of drive components, for example: the outer ring surface of the control disk is provided with teeth along the circumference, the drive component includes a drive motor fixedly mounted on the top wall of the dark box, the start and stop button of the drive motor is installed on the outside of the installation direction, and a drive gear is matched and installed on the motor shaft of the drive motor. The drive gear is meshed with the outer ring teeth of the control disk, and the teeth of the outer ring surface of the control disk can slide axially along the teeth of the drive gear.

[0036] It should be understood that the above specific embodiments of the present invention are only used to illustrate or explain the principles of the present invention, and do not constitute a limitation of the present invention. Therefore, any modifications, equivalent substitutions, improvements, etc. made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. In addition, the appended claims of the present invention are intended to cover all changes and modifications that fall within the scope and boundaries of the appended claims, or the equivalent forms of such scope and boundaries.

Claims

1. A distribution network non-stop operation training system, characterized in that It includes a distribution network model unit, a load unit, a fault simulation unit, a monitoring and display unit, an interactive terminal, a training and evaluation unit and a multimedia unit. The monitoring and display unit and the distribution network model unit are used to monitor and display the operating status and key parameters of the distribution network model unit; the fault simulation unit includes a control cabinet, a fault simulation controller and a relay. The control cabinet is vertically provided with busbars with the same number as the output terminals of the distribution network model. The output terminals of the distribution network model unit are respectively connected to the load unit through the corresponding busbars. The load unit is used to simulate power supply to users with different load types and capacities; each of the busbars is installed with a relay controller for controlling the on and off of the busbar and the on and off of the busbar and the next busbar. The relay and The fault simulation controller is connected, and the fault simulation controller numbers the relays on the bus in the same control cabinet, and can control the corresponding numbered relays to execute the fault simulation instructions according to the instructions; the interactive terminal is connected to the fault simulation controller, and is used to send fault simulation instructions to the fault simulation controller. The training evaluation unit includes a fault scenario database, a retrieval module and a central control module. The retrieval module is connected to the fault simulation controller, and the retrieval module will match the data in the fault scenario database according to the fault simulation instructions received by the fault simulation controller, and send the matched data to the central control module for use; the multimedia module includes an audio and video acquisition module, and the output end of the audio and video acquisition module is communicatively connected to the central control module.

2. The distribution network non-stop operation training system according to claim 1 is characterized in that: The audio and video acquisition module includes an audio acquisition module and a video acquisition module. The output ends of the audio acquisition module and the video acquisition module are connected to the central control module. The input ends of the audio acquisition module and the video acquisition module are respectively connected to a microphone and a camera to record the operation process of the trainees, and transmit the recorded operation process data to the central control module for comparison with the fault scenario database data received by the central control module.

3. The distribution network non-stop operation training system according to claim 2 is characterized in that: The fault scenario database includes a fault scenario model established according to the standardized fault processing process. The fault scenario model includes distribution network fault type data and standardized processing process data when professionals handle corresponding distribution network faults. After receiving the trainee's operation process data, the central processing module compares it with the received standardized processing process data to judge the training operation process and results.

4. The platform door training system based on operational failure scenarios according to claim 3 is characterized in that: The standardized processing flow data includes standardized processing flow data for multiple types of work. After receiving the operation flow data of the trainee, the central processing module compares it with the standardized processing flow data of the same type of trainee in the received standardized processing flow data.

5. The platform door training system based on operational failure scenarios according to claim 4 is characterized in that: The multimedia module also includes an audio and video output module, the input end of which is connected to the central control module, and the output end of which is connected to a speaker and a display screen, for playing intercom voice and operation video of the standardized processing process data of other types of work except for the trainee type in the standardized processing process data received by the central control module.

6. The platform door training system based on operational failure scenarios according to claim 1 is characterized in that: The distribution network model unit includes a power supply module, a transformer module and a distribution module. The power supply module is connected to the high-voltage side of the transformer module to simulate a high-voltage power supply. The input terminal of the distribution module is connected to the low-voltage side of the transformer module. The output terminal of the distribution module is connected to the load unit through the corresponding bus.

7. The platform door training system based on operational failure scenarios according to claim 1 is characterized in that: A busbar frame for fixing the busbar is installed in the control cabinet.

8. The platform door training system based on operational failure scenarios according to claim 1 is characterized in that: A knob switch is connected to each busbar in the control box, and the knob end of the knob switch extends outward from the control box. The knob switch is provided with three connection terminals. The first connection terminal is connected to the busbar on the output terminal side of the distribution network model unit of the relay through a lead wire, and the second connection terminal and the third connection terminal are connected to the busbar on the load unit side of the relay through a lead wire, and the second connection terminal and the third connection terminal are in a normally connected state. The second connection terminal and the third connection terminal can be disconnected by the knob end to connect the second connection terminal to the first connection terminal.

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