CN211180137U - Simulation direct-current power supply system of transformer substation - Google Patents
Simulation direct-current power supply system of transformer substation Download PDFInfo
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- CN211180137U CN211180137U CN201922115799.XU CN201922115799U CN211180137U CN 211180137 U CN211180137 U CN 211180137U CN 201922115799 U CN201922115799 U CN 201922115799U CN 211180137 U CN211180137 U CN 211180137U
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Abstract
The utility model provides a transformer substation simulation direct current power supply system, which comprises an alternating current voltage regulating device, an alternating current voltage and current collector, a voltage regulator control unit, an alternating current voltage and current display unit, a direct current load control unit, a direct current voltage and current ripple unit and a public integrated connector; the AC input of the power grid is connected to the voltage regulator control unit through the AC voltage regulator, the AC voltage and current collector is connected with the AC voltage regulator and the AC voltage and current display unit, the public integrated connector is connected with the AC voltage and current collector and the DC voltage and current ripple unit, and the public integrated connector is connected with the DC load control unit through the DC load; the external module to be tested is connected with the system through a common integrated connector to detect the charging modules with different powers.
Description
Technical Field
The utility model relates to a direct current power supply system field of transformer substation, more specifically relates to a simulation direct current power supply system of transformer substation.
Background
In a direct-current power supply system of a transformer substation, the work load is the largest, and the direct-current charging module is undoubtedly the highest failure rate. As the operating life of the substation increases, the number of faults of the charging module increases. 76% of charging modules in a substation management station are put into operation for more than 10 years, the models are old, most of the charging modules are stopped, the charging modules are mainly repaired and processed by returning to the factory at present, but the time consumption is long, the cost is high, the quality of the repaired modules cannot be detected in advance, and the safety, the timeliness and the economy of defect processing are poor.
Due to the lack of basic detection tools and equipment, the team is difficult to carry out advanced autonomous detection on the repaired charging module, and the situation that the fault still exists can be found only after the on-site replacement, so that not only is a lot of waste of manpower, time, vehicles and the like caused, but also the fault module is directly installed on a transported direct current system, so that the system safety is greatly threatened, and even serious consequences of short-circuit explosion and voltage loss of the direct current system in the station can occur.
SUMMERY OF THE UTILITY MODEL
The utility model provides a transformer substation simulation direct current power supply system for realizing multiple power, attach fitting and communication protocol.
In order to achieve the above technical effects, the technical scheme of the utility model as follows:
a simulation direct-current power supply system of a transformer substation is characterized by comprising an alternating-current voltage regulating device, an alternating-current voltage and current collector, a voltage regulator control unit, an alternating-current voltage and current display unit, a direct-current load control unit, a direct-current voltage and current ripple unit and a common integrated connector; the AC input of the power grid is connected to the voltage regulator control unit through the AC voltage regulator, the AC voltage and current collector is connected with the AC voltage regulator and the AC voltage and current display unit, the public integrated connector is connected with the AC voltage and current collector and the DC voltage and current ripple unit, and the public integrated connector is connected with the DC load control unit through the DC load; the external module to be tested is connected with the system through a common integrated connector to detect the charging modules with different powers.
Preferably, the alternating voltage and current display unit is connected with the alternating voltage and current collector through an RS485 or CAN bus.
Preferably, the alternating voltage and current collectors are voltage and current hall elements.
Preferably, the alternating voltage and current display unit is a liquid crystal touch screen.
Preferably, the direct current load connected with the direct current load control unit adopts self-cooling PTC ceramics, which comprises 1500W, 1000W and 500W different load access, and a matrix layout is adopted to change the load size.
Preferably, the alternating voltage and current collector is further connected with a wireless transmitting unit for transmitting data collected by the sampling card in a wireless manner.
Preferably, the wireless transmitting unit is a GSM communication module.
Furthermore, the system comprises an alternating current voltage regulating device, an alternating current voltage and current collector, a voltage regulator control unit, an alternating current voltage and current display unit, a direct current load control unit, a direct current voltage and current ripple unit and a public integrated connector which are arranged in a moistureproof case, and universal wheels for conveniently moving the system are arranged at the bottom of the case.
Furthermore, a fan for dissipating heat of each unit is also arranged in the case.
Preferably, the system further comprises an industrial personal computer communication testing unit, and the industrial personal computer communication testing unit is connected with the public integrated connector.
Compared with the prior art, the utility model discloses technical scheme's beneficial effect is:
the utility model can carry out advanced autonomous inspection test for the repaired charging module provided by the manufacturer, and comprises the detection test for the main functions of the module, such as input and output protection function, loading capacity, voltage and current stabilization capacity, ripple factor, communication state, etc., and the detection test is installed to the direct current system after the detection test is qualified, thereby ensuring the safety of the direct current system in transportation and improving the working efficiency of fault treatment; various connecting joints and communication protocols are arranged, switching can be performed as required, so that charging modules of different manufacturers and different models can be detected, and the device is good in universality and strong in practicability; by utilizing the charging module test platform, the station power supply operation and maintenance class can detect and automatically repair the fault module, the fault processing efficiency and economy are improved, and the service capability of the power supply class technicians can also be improved; the safety is high, can carry out preliminary inspection to the spare part module or the module of reprocessing that the producer provided, and the safety to transporting DC system is ensured to going to the scene and installing to DC system after confirming the operation normally.
Drawings
Fig. 1 is a structural diagram of the present invention in example 1.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the patent;
for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product;
it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The technical solution of the present invention will be further explained with reference to the accompanying drawings and examples.
Example 1
As shown in fig. 1, a transformer substation simulation dc power supply system is characterized by comprising an ac voltage regulator, an ac voltage and current collector, a voltage regulator control unit, an ac voltage and current display unit, a dc load control unit, a dc voltage and current ripple unit and a common integrated connector; the AC input of the power grid is connected to the voltage regulator control unit through the AC voltage regulator, the AC voltage and current collector is connected with the AC voltage regulator and the AC voltage and current display unit, the public integrated connector is connected with the AC voltage and current collector and the DC voltage and current ripple unit, and the public integrated connector is connected with the DC load control unit through the DC load; the external module to be tested is connected with the system through a common integrated connector to detect the charging modules with different powers.
The alternating voltage and current display unit is connected with the alternating voltage and current collector through an RS485 or CAN bus; the alternating voltage and current collector is a voltage and current Hall element; the alternating voltage and current display unit is a liquid crystal touch screen; the direct current load connected with the direct current load control unit adopts self-cooling PTC ceramics, which comprises 1500W, 1000W and 500W different loads connected, and the matrix layout is used for changing the load size; the alternating voltage and current collector is also connected with a wireless transmitting unit for transmitting the data collected by the sampling card in a wireless way; the wireless transmitting unit is a GSM communication module.
The device comprises an alternating current voltage regulating device, an alternating current voltage and current collector, a voltage regulator control unit, an alternating current voltage and current display unit, a direct current load control unit, a direct current voltage and current ripple unit and a public integrated connector, wherein the direct current voltage and current ripple unit and the public integrated connector are arranged in a moisture-proof case, and universal wheels used for facilitating moving of the system are arranged at the bottom of the case.
A fan for radiating each unit is also arranged in the case; the system also comprises an industrial personal computer communication testing unit which is connected with the public integrated connector.
Description of the system principle:
(1) the alternating current input adopts a step voltage regulation mode, the input and output taps are changed to realize the alternating current input, the power configuration is configured by a maximum 220V/40A module, and the maximum output power is 10 KW;
(2) the direct current load adopts self-cooling PTC ceramics, 1500W, 1000W and 500W different load access are respectively designed, and the matrix layout is used for changing the load size;
(3) the communication is displayed and controlled by using an industrial personal computer, communication protocols of different manufacturers are integrated in the same device and interface, and whether the communication of the charging module is normal or not is judged by the communication state, the control of the charger and the collection of the parameters of the charger;
(4) the newly purchased or repaired charging module can be subjected to a test: through the voltage regulator, the load variable, the ripple wave acquisition and the industrial personal computer, the main functions of alternating current input over-voltage and under-voltage protection, voltage stabilization, temperature current, ripple factor, communication state, overload capacity and the like of the testing charger can be matched, the field use environment is truly simulated, the testing effectiveness is guaranteed, the module is installed to the direct current system after being qualified, the safety of the direct current system in operation is ensured, and the working efficiency of fault processing can also be improved;
(5) be equipped with multiple attach fitting and communication protocol, can switch as required for the module homoenergetic that charges to the different models of different producers detects, and the commonality is good, the practicality is strong.
The system can carry out advanced autonomous inspection tests on the repaired charging module provided by a manufacturer, comprises the detection tests on the main functions of the module, such as input and output protection function, loading capacity, voltage and current stabilization capacity, ripple factor, communication state and the like, and is installed to a direct current system after being qualified, thereby ensuring the safety of the direct current system in transportation and improving the working efficiency of fault treatment; various connecting joints and communication protocols are arranged, switching can be performed as required, so that charging modules of different manufacturers and different models can be detected, and the device is good in universality and strong in practicability; by utilizing the charging module test platform, the station power supply operation and maintenance class can detect and automatically repair the fault module, the fault processing efficiency and economy are improved, and the service capability of the power supply class technicians can also be improved; the safety is high. The spare part module or the repair module provided by a manufacturer can be preliminarily checked, and the direct current system is installed on site after the normal operation is confirmed, so that the safety of the direct current system is ensured.
The system comprises the following steps: and (5) highly simulating. The operation parameters of the transformer substation can be simulated, and key technical indexes such as current and voltage output by the charging module are detected; and (5) simulating control. The transformer substation can be simulated, the module is controlled, and the communication function and the response speed of the module are checked; and (6) fault location. The functions of the fault module can be detected, and the fault of which function is failed is determined, so that autonomous repair is realized, and the defect eliminating time and the defect eliminating cost are effectively shortened; the universality is strong. Various connecting joints and communication protocols are provided, switching can be performed as required, and charging modules of different manufacturers and different models can be detected; the safety is high. The spare part module or the repair module provided by a manufacturer can be preliminarily checked, and the direct current system is installed on site after the normal operation is confirmed, so that the safety of the direct current system is ensured.
The same or similar reference numerals correspond to the same or similar parts;
the positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent;
it is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A simulation direct-current power supply system of a transformer substation is characterized by comprising an alternating-current voltage regulating device, an alternating-current voltage and current collector, a voltage regulator control unit, an alternating-current voltage and current display unit, a direct-current load control unit, a direct-current voltage and current ripple unit and a common integrated connector; the AC input of the power grid is connected to the voltage regulator control unit through the AC voltage regulator, the AC voltage and current collector is connected with the AC voltage regulator and the AC voltage and current display unit, the public integrated connector is connected with the AC voltage and current collector and the DC voltage and current ripple unit, and the public integrated connector is connected with the DC load control unit through the DC load; the external module to be tested is connected with the system through a common integrated connector to detect the charging modules with different powers.
2. The substation simulation direct current power supply system according to claim 1, wherein the alternating voltage and current display unit is connected with an alternating voltage and current collector through an RS485 or CAN bus.
3. The substation simulation dc power supply system of claim 2, wherein the ac voltage and current collectors are voltage and current hall elements.
4. The substation simulation direct current power supply system according to claim 3, wherein the alternating voltage and current display unit is a liquid crystal touch screen.
5. The substation simulation direct current power supply system according to claim 4, wherein the direct current loads connected with the direct current load control unit adopt self-cooling PTC ceramics, and the self-cooling PTC ceramics comprise 1500W, 1000W and 500W different load access and matrix layout to change the load size.
6. The transformer substation simulation direct current power supply system according to claim 5, wherein the alternating voltage and current collector is further connected with a wireless transmitting unit for transmitting data collected by the sampling card in a wireless manner.
7. The substation simulation direct current power supply system of claim 6, wherein the wireless transmitting unit is a GSM communication module.
8. The transformer substation simulation direct-current power supply system according to claim 7, wherein the system comprises an alternating-current voltage regulating device, an alternating-current voltage and current collector, a voltage regulator control unit, an alternating-current voltage and current display unit, a direct-current load control unit, a direct-current voltage and current ripple unit and a common integrated connector which are arranged in a moisture-proof case, and universal wheels for facilitating movement of the system are arranged at the bottom of the case.
9. The substation simulation direct current power supply system according to claim 8, wherein a fan for dissipating heat of each unit is further provided in the case.
10. The transformer substation simulation direct current power supply system according to claim 9, wherein the system further comprises an industrial personal computer communication test unit, and the industrial personal computer communication test unit is connected with the common integrated connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922115799.XU CN211180137U (en) | 2019-11-29 | 2019-11-29 | Simulation direct-current power supply system of transformer substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922115799.XU CN211180137U (en) | 2019-11-29 | 2019-11-29 | Simulation direct-current power supply system of transformer substation |
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| Publication Number | Publication Date |
|---|---|
| CN211180137U true CN211180137U (en) | 2020-08-04 |
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| CN201922115799.XU Active CN211180137U (en) | 2019-11-29 | 2019-11-29 | Simulation direct-current power supply system of transformer substation |
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