LU503552B1 - System for simulation of operating conditions of high voltage primary equipment in a low voltage environment - Google Patents
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Abstract
The invention relates to the technical field of power supply systems, and discloses System for simulation of operating conditions of high voltage primary equipment in a low voltage environment, including an operating simulation unit, the electrical signals at the output of the operating simulation unit are connected to a reference dispatching station and a dispatching master station under test, and by setting up various equipment operating test methods for voltage and current limit crossing test, change test, overcurrent trip fault test and combined fault test, and cooperating with The reference dispatching master station is used for telemetry display and shows the real-time curve of current changes. At the same time, through various different testing methods, the limit transport status data of the equipment under control is precisely tested, which facilitates further monitoring of the simulated equipment operation.
Description
System for simulation of operating conditions of high voltage 17903552 primary equipment in a low voltage environment
The invention relates to the technical field of power supply system, specifically a system for simulating the operating conditions of high-voltage primary equipment under low-voltage environment.
Background technology
For the functional inspection of power supply remote system equipment, the usual practice is factory commissioning and on-site environmental commissioning, factory commissioning is completed by the manufacturer itself, on-site environmental commissioning needs to be carried out with the help of the on-site pavilion environment. Factory commissioning is done at the factory, which lacks supervision; on-site environmental commissioning is generally done at the project stage, which makes it difficult to carry out a comprehensive remote function test for the pavilion that has been powered up and running. In response to the above difficulties, the general approach is to build a testing platform to test the functionality of the device, but its lack of reference system, there is no way to judge whether the device has obtained the true test plus value, if there are abnormal test data need to be backward to confirm, and repeat the test several times to exclude other interference effects. The testing process is cumbersome and requires the testers to have a good understanding of the testing platform and the equipment under test, otherwise there may be an error in determining the equipment to be unqualified, the testing of the equipment hides in a low voltage environment for high voltage simulation, so as to improve the stability of the equipment in different environments, while at present only the voltage and current are tested for comparison during the simulation of the equipment operation, which cannot further accurately test the equipment The current simulation of equipment operation only compares the voltage and current, which does not allow further accurate testing of the equipment's extreme operating conditions.
Summary of the invention (1) Technical problem solved
In response to the shortcomings of the prior art, the present invention provides a HUS03552 system for realizing the simulation of operating conditions of high voltage primary equipment in a low voltage environment. (2) Technical solution
The present invention provides the following technical solution: a system for realizing the simulation of operating conditions of high-voltage primary equipment in a low-voltage environment, comprising an operation simulation unit, the electrical signals at the output of the operation simulation unit are connected to a reference dispatching station and a dispatching master station under test, the inputs and outputs of the reference dispatching master station and the dispatching master station under test are connected to the inputs and outputs of the operation simulation unit with bidirectional electrical signals, the electrical signals at the output of the operation simulation unit The output of the operation simulation unit is electrically connected to the power supply test module, the telecommunication test module, the power outage test module, the voltage and current change test module, the overcurrent trip test, the combination fault test module and the clock synchronisation test module, and the output of the clock synchronisation test module is electrically connected to the historical data query module.
Preferably, the output of said power feed test module is electrically connected to an initial power feed simulation module, the input and output of the initial power feed simulation module and the output and input of the power feed test module are connected by bi-directional electrical signals, the output of the initial power feed simulation module is electrically connected to a start-up monitoring module, the output of the start-up monitoring module is electrically connected to a monitoring data logging module, the input and output of the monitoring data logging module are connected by bi-directional electrical signals to the output and input of the start-up monitoring module. and output of the monitoring data logging module are connected to the output and input of the start-up monitoring module in a bidirectional electrical signal.
Preferably, the electrical signals at the output of said telematics test module are connected to a switch control module, a real time alarm module, a telemetry display HU508552 module and a telemetry accuracy test module, the outputs and inputs of the switch control module, the real time alarm module, the telemetry display module and the telemetry accuracy test module being connected to the outputs and inputs of the telematics test module with bi-directional electrical signals.
Preferably, the output of said remote control test module is electrically signalled to be connected to the short remote control module and the main station switch module, and the output and input of the short remote control module and the main station switch module are electrically signalled to be connected to the input and output of the remote control test module.
Preferably, the output of the voltage and current change test module is electrically connected to the voltage and current crossing test module, the output of the voltage and current crossing test module is electrically connected to the short time multiple like crossing and short time multiple class crossing modules, the input and output of the short time multiple like crossing and short time multiple class crossing modules are electrically connected to the output and input of the voltage and current crossing test module in both directions. The inputs and outputs of the short-time, multi-time, multi-category and short-time, multi-category transistor modules are connected to the outputs and inputs of the voltage-current transistor module in both directions.
Preferably, the output of the combination fault test module is electrically connected to a phase sequence phase test module and a channel fault test module, the output of the channel fault test module is electrically connected to a dual channel switching and overrunning condition module, the input and output of the dual channel switching and overrunning condition module and the output and input of the channel fault test module are electrically connected in both directions.
Preferably, the output of the overcurrent trip fault test module is electrically connected to a circuit breaker trip module and a voltage change simulation module, the output and input of the circuit breaker trip module and the voltage change simulation module are connected to the input and output of the overcurrent trip fault test module with bidirectional electrical signals. 7908658 (3) Beneficial effects
Compared with the prior art, the present invention provides a system for realising the simulation of operating conditions of high voltage primary equipment in a low voltage environment, with the following beneficial effects; 1, The low-voltage environment to achieve high-voltage primary equipment operating conditions simulation system, through the setting of the voltage and current over the limit test, change test, overcurrent trip fault test and a combination of fault test a variety of equipment operating test methods, multiple groups of single-phase regulators to simulate voltage changes, while you can set the current over the limit value of the equipment under test, simulate the changes generated by the current, and with reference to the main station of dispatch for telemetry Display, display the real-time curve of the current change, while through a variety of different test methods, accurate test the limit of the controlled equipment transport state data, to facilitate further monitoring of equipment operation simulation conditions. 2, The system for realising the simulation of operating conditions of high-voltage primary equipment in this low-voltage environment, through clock synchronisation testing, verifying the clock synchronisation function of the controlled station, monitoring whether the various displays of the main dispatching station are correct, adopting the products of the GPS clock method of the controlled station to the clock, changing only the clock time of the main dispatching station, monitoring whether the various displays of the main dispatching station are correct, historical data query, checking whether the various records of the main dispatching station are consistent with the done The test is consistent, and the data recorded by the three sets of controlled stations are compared for consistency and compared with the data from the reference system to further improve the accuracy of the data. 3, the low-voltage environment to achieve high-voltage primary equipment operating conditions simulation system, through the setting of telematics test module and remote control test module, remote control of the circuit breaker and the main station switch, without the need for test personnel to go to the scene to open, with switch control, real-time alarm telemetry display and telemetry accuracy test module, the HUS03552 telemetry of each information to unify the whole, so that the user can clearly on the operating conditions of the equipment into This allows the user to have a clear overview of the operating conditions of the equipment. 5 Description of attached drawings
Fig 1 shows a schematic diagram of the system structure of the present invention; and
Fig 2 shows a schematic diagram of the system structure of the power delivery test module in Fig 1 of the present invention; and
Fig 3 is a schematic diagram of the system structure of the telecommunication test module in Fig 1 of the present invention; and
Fig 4 shows a schematic diagram of the system structure of the voltage and current variation test module in Figure 1 of the present invention; and
Fig 5 shows a schematic diagram of the system structure of the overcurrent trip fault test of the present invention.
Specific embodiments
The invention is described in further detail below in conjunction with the accompanying drawings, wherein the same parts are indicated by the same accompanying markings, it being noted that the words "front", "back", "left", "right", "top" and "bottom", "bottom" and "bottom" are used in the following description. ", "right", "top" and "bottom", "bottom surface" and "The terms "inside" and "outside" refer to the direction towards or away from the geometric centre of the particular part respectively.
The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention, and it is clear that the embodiments described are only a part of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained without creative labour by a person of ordinary skill in the art fall within the scope of protection of the present invention.
Referring to Figs 1 - 3, the present invention provides a technical solution: a HUS03552 system for simulating the operating conditions of high-voltage primary equipment in a low-voltage environment, comprising an operation simulation unit, the output of the operation simulation unit is electrically connected to a reference dispatching station and a dispatching master station under test, the inputs and outputs of the reference dispatching master station and the dispatching master station under test are connected to the inputs and outputs of the operation simulation unit with bidirectional electrical signals, the electrical signals at the output of the operation simulation unit are connected to the power feed test module, the telecommunication test module, the stop and feed test module, the voltage and current change test module, the overcurrent trip fault test, the combined fault test module and the clock synchronization test module, and the electrical signals at the output of the clock synchronization test module are connected to the historical data query module, by setting the voltage and current overrun test, change test, overcurrent trip fault test and combined fault test a variety of equipment operation test methods, to multiple groups of single-phase regulators to simulate voltage changes, while you can set the current overrun value of the equipment under test, simulate the changes generated by the current, and with reference to the main station of dispatch for telemetry display, display the real-time curve of current changes, while through a variety of different test methods, accurate testing of the controlled equipment limit transport state data, to facilitate further monitoring of the equipment running simulation conditions.
The output of the power feed test module is electrically connected to the initial power feed simulation module, the input and output of the initial power feed simulation module and the output and input of the power feed test module are bi-directionally connected, the output of the initial power feed simulation module is electrically connected to the start-up monitoring module, the output of the start-up monitoring module is electrically connected to the monitoring data logging module, the input and output of the monitoring data logging module are bi-directionally connected to the output and input of the start-up monitoring module. The output of the start-up monitoring module is electrically connected to the start-up data logging module, the input and output of the monitoring data logging module are connected to HUS03552 the output and input of the start-up monitoring module with bi-directional electrical signals.
The output of the telemetry test module is electrically connected to the switch control module, the real-time alarm module, the telemetry display module and the telemetry accuracy test module, and the output and input of the switch control module, the real-time alarm module, the telemetry display module and the telemetry accuracy test module are connected to the output and input of the telemetry test module with bi-directional electrical signals.
The output of the remote control test module is electrically connected to the short circuit breaker remote control module and the master switch module, the output and input of the short circuit breaker remote control module and the master switch module are electrically connected to the input and output of the remote control test module, the output of the voltage and current change test module is electrically connected to the voltage and current overrun test module, the output of the voltage and current overrun test module is electrically connected to the short time multiple the output of the voltage and current crossing test module is electrically connected to the voltage and current crossing test module, the output of the voltage and current crossing test module is electrically connected to the short time multiple crossing, the input and output of the short time multiple like crossing and short time multiple like crossing modules are connected to the output and input of the voltage and current crossing test module with bi-directional electrical signals, the output of the combined fault test module is connected to the phase sequence and phase test module and the channel fault test module, the output of the channel fault test module is connected to the dual channel switching and crossing condition module with electrical signals, the inputs and outputs of the dual channel switching and limit crossing module are connected to the outputs and inputs of the channel fault test module with bi-directional electrical signals, the outputs of the overcurrent trip fault test module are connected to the circuit breaker tripping module and the voltage change simulation module with electrical signals, the outputs and inputs of the circuit breaker tripping module and the voltage change simulation module are connected to the inputs and outputs of the HUS03552 overcurrent trip fault test module with bi-directional electrical signals. The outputs and inputs of the circuit breaker trip module and the voltage change simulation module are connected to the inputs and outputs of the overcurrent trip fault test module by electrical signals in both directions.
Initial power supply and commissioning test no less than 3 times, through the test operator operation to power 1/2 incoming knife switch splitting and closing, simulate the initial stop and power supply, and control the working power of the equipment under test, monitor whether the equipment starts, whether it leads to switch misoperation, and at the same time to see whether the monitoring of the main station of dispatching false alarm; Monitoring the dispatching main station for mis-recording of telemessages, telemessaging test, test operators operate the test switches of the primary system simulation platform to simulate telemessaging variable signals, monitoring personnel monitor the dispatching main station for correct telemessaging display and real-time alarms, remote control test, main station monitoring personnel carry out remote control operation on switches and circuit breakers at the dispatching main station, the integrated self-protection system should be operated again, monitoring whether the display of the main dispatching station is consistent with the actual working conditions, whether the alarms are correct, whether there is any rejection or misoperation, power outage and feed test, including short-time fast power outage and feed of less than 150 milliseconds, simulation of two power sources throwing each other into working conditions, no less than 30 times, voltage and current change test, no less than 30 times, by testing the operator's operation of three groups of single-phase regulators on the incoming side of the power supply to simulate voltage changes, by operating six groups of load slip resistors corresponding to the equipment under test to simulate current changes, and by monitoring the correctness of the telemetry display in the main dispatch station, Voltage and current overrun tests not less than 20 times, in determining the voltage and current overrun values of the equipment under test, through the test operator to operate three groups of single-phase regulators on the incoming side of the power supply to simulate voltage changes, through the operation of six groups of load slip resistors corresponding to the HUS03552 equipment under test to simulate current changes, in monitoring the correctness of the telemetry display of the main dispatch station, overcurrent tripping fault tests not less than 10 times.
The test operator operates the 3 groups of single-phase voltage regulators on the incoming side of the power supply to simulate voltage changes, and the 6 groups of load slip resistors corresponding to the equipment under test to simulate current changes. In conjunction with the comprehensive self-tuning of the distribution house, the corresponding simulated circuit breaker trips, the low-voltage and high-voltage loads are connected in parallel according to 2 circuits, and a group of switches is controlled at the same time to make its 2-way power supply trip at the same time, or trips again within 150ms.
Monitor whether the telemetry display of the main dispatch station is correct, whether the real-time alarm is correct, whether the recording data can be summoned, whether the recording curve is correct, whether the fault message is correct, whether the data is lost due to overwriting of the previous fault recording data after multiple faults, and whether the combined fault test is not less than 3 times, the phase sequence and phase test is not less than 2 times, and the phase sequence and phase test is 1 time each, phase sequence conversion at the power inlet and analogue low voltage feeder test, test phase sequence changes, monitor whether the dispatch master station alarm is correct, channel fault test including double channel switching and channel interruption when a fault or out-of-limit condition occurs no less than 3 times, by unplugging the channel connectors to simulate dual-channel switching, short-time interruption and long-time interruption respectively, monitor whether the various displays of the main dispatch station are correct, whether the alarms are correct, whether the data during the interruption can be replenished after the channel is recovered from the short-time interruption, whether the effective value curve of the main dispatch station can correctly reflect the phenomenon of channel interruption after the long-time interruption is recovered, and test the accuracy of telemetry: The data recorded by the dispatch master station is checked for consistency with the test bench instruments, clock synchronisation test, verify the clock synchronisation HUS03552 function of the controlled station, monitor whether the various displays of the dispatch master station are correct, adopt the GPS clock method of the controlled station for the clock products, only change the clock time of the dispatch master station, monitor whether the various displays of the dispatch master station are correct, historical data query, check whether the various records of the dispatch master station are consistent with the test done, compare the data recorded by the three sets of controlled stations with the data of the reference system. The data recorded by the three sets of controlled stations are compared for consistency with the data from the reference system.
Although embodiments of the invention have been shown and described, it will be understood to those of ordinary skill in the art that a variety of variations, modifications, replacements and variants of these embodiments can be made without departing from the principles and spirit of the invention, the scope of which is limited by the appended claims and their equivalents.
Claims (7)
1. System for simulating operating conditions of high voltage primary equipment in a low voltage environment, comprising an operation simulation unit, characterized in that the electrical signals at the output of said operation simulation unit are connected to a reference dispatching station and a dispatching master station under test, the inputs and outputs of the reference dispatching master station and the dispatching master station under test are connected to the inputs and outputs of the operation simulation unit with bi-directional electrical signals, the electrical signals at the output of the operation simulation unit The output signal of the operation simulation unit 1s connected to a power supply test module, a telecommunication test module, a power outage test module, a voltage and current variation test module, an overcurrent trip test, a combination fault test module and a clock synchronisation test module, and the output signal of the clock synchronisation test module is connected to a history data query module.
2. System for simulating the operating conditions of high voltage primary equipment in a low voltage environment according to claim 1, characterized in that: the electrical signal at the output of said power feed test module 1s connected to an initial power feed simulation module, the input and output of the initial power feed simulation module and the output and input of the power feed test module are connected by bi-directional electrical signals, the electrical signal at the output of the initial power feed simulation module is connected to a start-up monitoring module, the electrical signal at the output of the start-up monitoring module is connected to a monitoring data logging module, the input and output of the monitoring data logging module are connected by bi-directional electrical signals to the output and input of the start-up monitoring module. The output of the start-up monitoring module is electrically connected to a monitoring data logging module, the input and output of the monitoring data logging module are connected to the output and input of the start-up monitoring module with bi-directional electrical signals.
3. System for simulating the operating conditions of high voltage primary HU508552 equipment in a low voltage environment according to claim 1, characterized in that the output of the telecommunication test module is electrically connected to the switch control module, the real time alarm module, the telemetry display module and the telemetry accuracy test module, the output and input of the switch control module, the real time alarm module, the telemetry display module and the telemetry accuracy test module are connected to the output and input of the telemetry test module. The outputs and inputs of the telemetry test module are electrically connected in both directions.
4. System for realizing simulation of operating conditions of high voltage primary equipment in a low voltage environment according to claim 1, characterized in that the output of said remote control test module is electrically connected to the short circuit breaker remote control module and the main station switch module, and the output and input of the short circuit breaker remote control module and the main station switch module are electrically connected to the input and output of the remote control test module.
5. System for simulating the operating conditions of high-voltage primary equipment in a low-voltage environment according to claim 1, characterised in that the electrical signals at the output of the voltage and current variation test module are connected to a voltage and current crossing test module, the electrical signals at the output of the voltage and current crossing test module are connected to a short-time multiple like crossing module and a short-time multiple like crossing module, the inputs and outputs of the short-time multiple like crossing module and the short-time multiple like crossing module are connected to electrical signals in both directions. The input and output terminals of the transistor module and the output and input terminals of the voltage and current transistor module are connected electrically in both directions.
6. System for simulating the operating conditions of high voltage primary equipment in a low voltage environment according to claim 1, characterised in that the output of the combination fault test module is electrically connected to a phase sequence phase test module and a channel fault test module, the output of the channel HUS03552 fault test module is electrically connected to a dual channel switching and overrunning condition module, the input and output of the dual channel switching and overrunning condition module The inputs and outputs of the two-channel switching and overrunning condition module are electrically connected to the outputs and inputs of the channel fault test module in both directions.
7. System for simulating the operating conditions of high voltage primary equipment in a low voltage environment according to claim 1, characterised in that the output of the overcurrent trip fault test module is electrically connected to a circuit breaker trip module and a voltage change simulation module, the output and input of the circuit breaker trip module and the voltage change simulation module are connected to the input and output of the overcurrent trip fault test module by bi-directional electrical signals The outputs and inputs of the circuit breaker trip module and the voltage variation simulation module are connected to the inputs and outputs of the overcurrent trip fault test module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| LU503552A LU503552B1 (en) | 2023-02-28 | 2023-02-28 | System for simulation of operating conditions of high voltage primary equipment in a low voltage environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| LU503552A LU503552B1 (en) | 2023-02-28 | 2023-02-28 | System for simulation of operating conditions of high voltage primary equipment in a low voltage environment |
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| Publication Number | Publication Date |
|---|---|
| LU503552B1 true LU503552B1 (en) | 2023-08-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| LU503552A LU503552B1 (en) | 2023-02-28 | 2023-02-28 | System for simulation of operating conditions of high voltage primary equipment in a low voltage environment |
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| Country | Link |
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| LU (1) | LU503552B1 (en) |
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2023
- 2023-02-28 LU LU503552A patent/LU503552B1/en active IP Right Grant
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