CN220983411U - Portable detection device for module fault handling of SVG reactive power compensation device of traction power supply system - Google Patents
Portable detection device for module fault handling of SVG reactive power compensation device of traction power supply system Download PDFInfo
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- CN220983411U CN220983411U CN202322858809.5U CN202322858809U CN220983411U CN 220983411 U CN220983411 U CN 220983411U CN 202322858809 U CN202322858809 U CN 202322858809U CN 220983411 U CN220983411 U CN 220983411U
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- 238000001514 detection method Methods 0.000 title claims abstract description 19
- 238000004806 packaging method and process Methods 0.000 claims abstract description 29
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 20
- 238000004804 winding Methods 0.000 claims abstract description 20
- 238000009413 insulation Methods 0.000 claims abstract description 16
- 229910052802 copper Inorganic materials 0.000 claims description 13
- 239000010949 copper Substances 0.000 claims description 13
- 241000270722 Crocodylidae Species 0.000 claims description 10
- LNNWVNGFPYWNQE-GMIGKAJZSA-N desomorphine Chemical compound C1C2=CC=C(O)C3=C2[C@]24CCN(C)[C@H]1[C@@H]2CCC[C@@H]4O3 LNNWVNGFPYWNQE-GMIGKAJZSA-N 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 3
- 238000012545 processing Methods 0.000 abstract description 8
- 241000270728 Alligator Species 0.000 abstract description 4
- 238000012360 testing method Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of fault processing of a rail transit SVG device, and provides a portable detection device for processing faults of a SVG reactive power compensation device module of a traction power supply system, which comprises an insulation packaging box, a power transformer arranged in the insulation packaging box, a two-core pure copper wire with a power plug electrically connected with the input end of the power transformer, a plug connector arranged on the insulation packaging box and electrically connected with the output end of the power transformer, a high-power winding variable resistor arranged in the insulation packaging box, and an outgoing line of an alligator wire clamp, one end of which is plugged on the plug connector and the other end of which is provided with an alligator wire clamp for clamping the SVG power module; the plug connector comprises a first plug connector and a second plug connector, the input end of the high-power winding variable resistor is electrically connected with one output end of the power transformer, the output end of the high-power winding variable resistor is electrically connected with the first plug connector, and the second plug connector is electrically connected with the other output end of the power transformer. The utility model has simple structure and convenient realization.
Description
Technical Field
The utility model belongs to the technical field of fault processing of a rail transit SVG device, and particularly relates to a portable detection device for processing faults of a SVG reactive power compensation device module of a traction power supply system.
Background
Harmonic pollution and reactive power generated in a subway traction power supply system have great influence on the electric energy quality of a public power grid, impact reactive power generated in the operation process of a rectifier unit and capacitive reactive power with serious reverse feeding phenomenon of a longer external power cable of a subway in no-load operation are required to be compensated and treated by an SVG reactive power compensation device. The subway power consumption is huge, SVG acting is more, and under high temperature weather, SVG power module heat dissipation is difficult, leads to inside IGBT device breakdown or inside electric capacity to damage easily, leads to power module fault rate to be high still, therefore, the quick test means to power module becomes urgent demand.
Because the internal voltage of the SVG device is higher, the safety of personnel is threatened, and therefore, the SVG is generally in a shutdown state when the SVG is subjected to fault treatment. The simulation of the normal running electrification condition of the power module is a quick means for judging the failure cause of the power module, so that the rated voltage is added to the power module in one test under the SVG shutdown state, thereby quickly judging the failure cause of the power module, and being the most flexible and quick SVG failure detection means at present.
In the prior art, the SVG testing device mainly has the following defects: the current SVG module rapid detection method mainly has three difficulties, namely, the power is difficult to take, the power needs to be led out from a remote 380V distribution box fan power supply, and the risk of short circuit tripping is caused when a lead exists; secondly, the secondary wire is connected with the module in a winding way, and the wiring is long; thirdly, the portable device is inconvenient to carry and transport, and the specific reasons are as follows:
1. Difficulty in getting electricity
The main reason of the difficulty in power taking is that the detection module needs to be connected with an AC380V power supply, and the common indoor socket is an AC220V power supply, so that the line voltage of the power distribution box needs to be led out from a three-phase air switch of the power distribution box, and the risks of electric shock and short circuit tripping of personnel exist in the leading-out process.
2. Difficult to connect
The main reason of the wiring difficulty is that when the module is used for detecting and wiring in the past, a secondary wire winding mode is generally adopted to connect the contact point of the sliding rheostat with the copper bar of the module, and the wiring is long.
3. Difficult to carry
The conventional test resistor and secondary wire are all parts, and are temporarily assembled when faults occur due to inconvenient carrying.
Disclosure of utility model
The utility model aims to provide a portable detection device for fault handling of a SVG reactive power compensation device module of a traction power supply system, which aims to solve the technical problems existing in the prior art.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
The portable detection device for the fault treatment of the SVG reactive power compensation device module of the traction power supply system comprises an insulation packaging box, a power transformer arranged in the insulation packaging box, a two-core pure copper wire with a power plug and electrically connected with the input end of the power transformer, a plug connector arranged on the insulation packaging box and electrically connected with the output end of the power transformer, a high-power winding variable resistor arranged in the insulation packaging box, and a lead-out wire of an alligator wire clamp, wherein one end of the lead-out wire is plugged on the plug connector, and the other end of the lead-out wire is provided with an alligator wire clamp for clamping the SVG power module; the plug connector comprises a first plug connector and a second plug connector, wherein the input end of the high-power winding variable resistor is electrically connected with one output end of the power transformer, the output end of the high-power winding variable resistor is electrically connected with the first plug connector, and the second plug connector is electrically connected with the other output end of the power transformer.
Further, the insulating packaging box comprises a packaging shell and a packaging bottom plate, and the power transformer and the high-power winding variable resistor are mounted on the packaging bottom plate.
Further, a plurality of through holes are formed in the package housing.
Further, the outgoing lines comprise a first outgoing line matched with the first plug connector and a second outgoing line matched with the second plug connector.
Further, the crocodile wire clamp is made of pure copper materials.
Further, the power plug is located outside the insulating packaging box.
Further, the power transformer is an AC220V/AC380V power transformer.
Compared with the prior art, the utility model has the following beneficial effects:
(1) The utility model has simple electricity taking, 220V alternating current power supply, low requirements on environment and scene and easy acquisition.
(2) The wiring is packaged in the insulating packaging box, an internal wiring structure is adopted, the pure copper crocodile wire clamp is adopted to replace the traditional secondary wire, the pure copper crocodile wire clamp can be directly clamped on the copper bar when the module is detected, the fault processing time is greatly reduced, and compared with the prior art, the wiring box is simple to use, does not need tedious and time-consuming wiring procedures, and is good in use convenience.
(3) The whole set of equipment (except the outgoing line and the power line) is packaged in a small box with the volume of 20-15-12 (cm), has small volume and weight of only 4kg, and is convenient for emergency personnel to carry.
(4) The utility model adjusts the resistance value through the high-power winding variable resistor, and has better universality.
Drawings
Fig. 1 is a schematic perspective view of the present utility model.
Fig. 2 is a schematic view of the internal structure of the insulation package according to the present utility model.
Fig. 3 is a schematic diagram of the working principle of the present utility model.
Wherein, the names corresponding to the reference numerals are as follows: 1-insulating packaging box, 2-power transformer, 3-power plug, 4-two-core pure copper wire, 5-high-power wire winding variable resistor, 6-crocodile wire clamp, 7-first plug connector, 8-second plug connector, 9-first outgoing line, 10-second outgoing line, 11-packaging shell, 12-packaging bottom plate and 13-through hole.
Detailed Description
The present utility model will be further described in detail with reference to examples below in order to make the present utility model more clearly understood and appreciated by those skilled in the art. It should be understood that the following specific embodiments are only for explaining the present utility model, and it is convenient to understand that the technical solutions provided by the present utility model are not limited to the technical solutions provided by the following embodiments, and the technical solutions provided by the embodiments should not limit the protection scope of the present utility model.
Unless defined otherwise, technical or scientific terms used in the present disclosure should be given the ordinary meaning as understood by one of ordinary skill in the art to which the present disclosure pertains. As used herein, the terms "comprises," "comprising," or the like, are intended to cover a non-exclusive inclusion, such that the inclusion, or the like, of an element or article that is first described, but not exclusion of other elements or articles that may be listed after the term. The positions Guan Jici "up", "down", "left", "right", "front", "rear", and the like are determined in accordance with the layout directions of the drawings of the specification, and are merely used to represent the relative positional relationship, which may be changed when the absolute position of the object to be described is changed.
Examples
As shown in fig. 1 to 3, the present embodiment provides a portable detection device for processing faults of an SVG reactive compensation device module of a traction power supply system, where the device is mainly applied to quickly and safely simulate a normal working state of an SVG power module under the condition that the SVG power module fails, so that the state of a main heating component IGBT can be quickly detected.
In the embodiment, the portable detection device for the failure processing of the SVG reactive power compensation device module of the traction power supply system mainly comprises an AC220V/AC380V power transformer, a high-power winding variable resistor (the power range is 50-150W), a pure copper crocodile wire clamp, a two-core pure copper wire, an insulating plate and other device materials, wherein the devices are not special, are easy to obtain and have moderate price, and the device cost is greatly reduced.
The insulating board forms an insulating package box, the size of the insulating package box is 20 x 15 x 12 (cm), the insulating package box comprises a package shell and a package bottom plate, an AC220V/AC380V power transformer and a high-power winding variable resistor are arranged on the package bottom plate, a plurality of through holes are formed in the package shell, specifically, each end face of the package shell is provided with a through hole (only the through hole of the upper end face is shown in fig. 1 for clarity of illustration) for heat dissipation.
Both the AC220V/AC380V power transformer and the high power wound varistor are packaged in an insulated enclosure (the interior structure of the insulated enclosure is not shown in fig. 1 for clarity of illustration). The input end of the AC220V/AC380V power transformer is electrically connected with a two-core pure copper wire, the other end of the two-core pure copper wire is connected with a common power plug, and the power plug is positioned outside the insulation packaging box; the output end of the power transformer is connected with the plug connector, and the plug connector is arranged on the insulation packaging box and is used for connecting the outgoing line in a plug-in mode.
In this embodiment, two connectors are respectively a first connector and a second connector, and the two connectors have the same structure, and are named here for convenience of distinction; one output end of the AC220V/AC380V power transformer is electrically connected with the input end of the high-power winding variable resistor, the output end of the high-power winding variable resistor is electrically connected with the first plug connector, and the other output end of the AC220V/AC380V power transformer is electrically connected with the second plug connector. Corresponding to the two connectors are two outgoing lines: the first outgoing line and the second outgoing line are identical in structure, and are respectively named for convenience in distinguishing, wherein the first outgoing line is matched with the first plug connector, and the second outgoing line is matched with the second plug connector.
The ends of the two outgoing lines are provided with crocodile wire clamps, and preferably, the crocodile wire clamps are pure copper crocodile wire clamps, are mainly used for clamping copper bars of SVG power modules, and can be directly clamped on the copper bars when module detection is carried out, so that fault processing time is greatly shortened.
The working principle of the device is as follows: when the SVG power module is used, the power plug of the two-core pure copper wire is inserted on the wall of 220V alternating current, the output port is used according to the selection of the using line, the outgoing line is clamped on the copper bar of the SVG power module by using the pure copper crocodile wire clamp, the AC220V/AC380V power transformer boosts the power supply to AC380V, and then the voltage is regulated to be in accordance with the voltage of the primary side input standard of the SVG power module by using the high-power winding variable resistor.
Experimental control:
Three groups of personnel are set up to detect the SVG modules respectively, and 2 modes are adopted respectively. The first mode is that the field personnel detect according to the traditional treatment mode, and the other mode is that the device is used for detecting, and the experimental result is shown in the following table one:
TABLE 1 comparison of DC switch cabinet fault handling time
As can be seen from the above table, compared with the technical solutions adopted in the prior art, the device provided in this embodiment is shorter in time consumption for personnel operation.
The foregoing is a preferred embodiment of the present utility model. It should be noted that those skilled in the art may make several modifications without departing from the design principles and technical solutions of the present utility model, and these modifications should also be considered as the protection scope of the present utility model.
Claims (7)
1. A portable detection device for traction power supply system SVG reactive power compensator module fault handling, its characterized in that: the SVG power module comprises an insulation packaging box (1), a power transformer (2) arranged in the insulation packaging box (1), two-core pure copper wires (4) which are electrically connected with the input end of the power transformer (2) and provided with power plugs (3), a plug connector arranged on the insulation packaging box (1) and electrically connected with the output end of the power transformer (2), a high-power winding variable resistor (5) arranged in the insulation packaging box (1), and a lead-out wire, wherein one end of the lead-out wire is plugged on the plug connector, and the other end of the lead-out wire is provided with crocodile wire clamps (6) used for clamping the SVG power module; the plug comprises a first plug (7) and a second plug (8), wherein the input end of the high-power winding variable resistor (5) is electrically connected with one output end of the power transformer (2), the output end of the high-power winding variable resistor is electrically connected with the first plug (7), and the second plug (8) is electrically connected with the other output end of the power transformer (2).
2. The portable detection device for traction power system SVG reactive compensation device module fault handling of claim 1, wherein: the insulation packaging box (1) comprises a packaging shell (11) and a packaging bottom plate (12), and the power transformer (2) and the high-power winding variable resistor (5) are mounted on the packaging bottom plate (12).
3. The portable detection device for traction power system SVG reactive compensation device module fault handling of claim 2, wherein: a plurality of through holes (13) are arranged on the packaging shell (11).
4. A portable detection device for traction power system SVG reactive compensation device module fault handling according to claim 3, characterized by: the outlets comprise a first outlet (9) matching the first plug (7) and a second outlet (10) matching the second plug (8).
5. The portable detection device for traction power system SVG reactive compensation device module fault handling of claim 4 wherein: the crocodile wire clamp (6) is made of pure copper material.
6. The portable detection device for traction power system SVG reactive compensation device module fault handling of claim 5, wherein: the power plug (3) is located outside the insulating packaging box (1).
7. The portable detection device for traction power system SVG reactive compensation device module fault handling of any one of claims 1-6, wherein: the power transformer (2) is an AC220V/AC380V power transformer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322858809.5U CN220983411U (en) | 2023-10-24 | 2023-10-24 | Portable detection device for module fault handling of SVG reactive power compensation device of traction power supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322858809.5U CN220983411U (en) | 2023-10-24 | 2023-10-24 | Portable detection device for module fault handling of SVG reactive power compensation device of traction power supply system |
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| Publication Number | Publication Date |
|---|---|
| CN220983411U true CN220983411U (en) | 2024-05-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322858809.5U Active CN220983411U (en) | 2023-10-24 | 2023-10-24 | Portable detection device for module fault handling of SVG reactive power compensation device of traction power supply system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220983411U (en) |
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2023
- 2023-10-24 CN CN202322858809.5U patent/CN220983411U/en active Active
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