CN210803601U - Transformer substation's voltage secondary circuit nuclear phase device - Google Patents
Transformer substation's voltage secondary circuit nuclear phase device Download PDFInfo
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- CN210803601U CN210803601U CN201921503752.4U CN201921503752U CN210803601U CN 210803601 U CN210803601 U CN 210803601U CN 201921503752 U CN201921503752 U CN 201921503752U CN 210803601 U CN210803601 U CN 210803601U
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- digital voltmeter
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- secondary circuit
- voltage secondary
- electric energy
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- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a transformer substation voltage secondary circuit phase checking device, which comprises a three-phase telescopic movable power line, an air switch, a first digital voltmeter, a second digital voltmeter, a third digital voltmeter, an electric energy meter terminal and a three-color power line clamp, wherein the three-color power line clamp is connected with the electric energy meter terminal and is correspondingly connected with the electric energy meter terminal, the other end of the three-color power line clamp is correspondingly connected with the first digital voltmeter, the second digital voltmeter and the third digital voltmeter respectively, the transformer substation voltage secondary circuit phase checking device adopts the three-phase telescopic movable power line to be freely contracted and freely folded, the problem of long phase checking of the voltage secondary circuit can be effectively solved, an operator can check whether the voltage secondary circuit is in phase or not through data displayed by the three digital voltmeters on the ground, the device saves manpower and improves the working efficiency, the accuracy of secondary circuit wiring is guaranteed.
Description
Technical Field
The utility model relates to a circuit overhauls technical field, specifically is a transformer substation's voltage secondary circuit nuclear phase device.
Background
The transformer substation energy-voltage secondary circuit adopts parallel connection wires, the voltage secondary circuit adopts homochromatic wires, errors are easily caused, the accurate metering of a metering device is seriously influenced, and the transformer substation adopts high-supply high-metering three-phase three-wire metering, so that the problems that one-phase current is short-circuited and the electric energy meter is not connected are solved.
When a 35KV transformer substation is put into operation, the connection of a secondary voltage circuit is long and difficult to check, whether the connection of a metering device is normal can be confirmed after electrification, a 35KVPT cabinet is arranged outside a power distribution room, a 10KVPT cabinet is arranged in the power distribution room, an electric energy meter is arranged on the metering cabinet or a metering screen, and in actual work, workers often need to check whether the voltage circuits are in the same phase, so that the number of workers and the workload are increased, and certain potential safety hazards also exist.
Disclosure of Invention
The to-be-solved technical problem of the utility model is to overcome current defect, provide a transformer substation's voltage secondary circuit nuclear phase device, the staff adopts three voltmeters, can be simultaneously to voltage circuit nuclear phase, accomplish high voltage circuit nuclear phase work on ground, labour saving and time saving, convenient nimble, guarantee that secondary circuit wiring is correct, can effectively solve the problem in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a transformer substation's voltage secondary circuit nuclear phase device, includes scalable portable power cord of three-phase, air switch, first digital voltmeter, second digital voltmeter, third digital voltmeter, electric energy meter terminal and three-colour power fastener, three-colour power fastener is connected with the electric energy meter terminal and is connected with electric energy meter terminal one-to-one, and the other end of three-colour power fastener corresponds with first digital voltmeter, second digital voltmeter and third digital voltmeter respectively and is connected, and the output of first digital voltmeter, second digital voltmeter and third digital voltmeter is connected with air switch's input, and air switch's output is connected with PT cabinet voltage terminal through the scalable portable power cord of three-phase, and the PT cabinet is connected through the power wire with the electric energy meter.
As an optimized technical scheme of the utility model, the colour of the scalable portable power cord of three-phase is yellow, green, red respectively.
As a preferred technical scheme of the utility model, first digital voltmeter, second digital voltmeter and third digital voltmeter and air switch install in fixing device's upper surface.
As an optimized technical proposal of the utility model, the length of the three-phase telescopic mobile power line is 3-50 meters.
As an optimal technical scheme of the utility model, the scalable portable power source line of three-phase adopts flexible design.
Compared with the prior art, the beneficial effects of the utility model are that: the transformer substation voltage secondary circuit phase checking device adopts the three-phase telescopic movable power line to be freely contracted and freely retracted, the problem of long phase checking of the voltage secondary circuit can be effectively solved, an operator stands on the ground and can check whether the voltage secondary circuit is in phase or not through data displayed by three digital voltage meters, the device saves manpower, improves the working efficiency and ensures the wiring accuracy of the secondary circuit.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic circuit diagram of the present invention.
In the figure: the three-phase flexible power cord of 1, 2 air switch, 3 first digital voltmeter, 4 second digital voltmeter, 5 third digital voltmeter, 6 electric energy meter terminals, 7 three-colour power fastener, 8 fixing device, 9 PT cabinet voltage terminal.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: a transformer substation voltage secondary circuit phase checking device comprises a three-phase telescopic movable power line 1, an air switch 2, a first digital voltmeter 3, a second digital voltmeter 4, a third digital voltmeter 5, an electric energy meter terminal 6 and a three-color power line clamp 7, wherein the three-phase telescopic movable power line 1 is respectively yellow, green and red in color, so that the three-color power line clamp 7 is convenient for users to distinguish and prevents wiring errors, the three-color power line clamp 7 is connected with the electric energy meter terminal 6 and is connected with a wiring terminal of the electric energy meter terminal 6 in a one-to-one correspondence manner, the other end of the three-color power line clamp 7 is respectively connected with the first digital voltmeter 3, the second digital voltmeter 4 and the third digital voltmeter 5 in a correspondence manner, output ends of the first digital voltmeter 3, the second digital voltmeter 4 and the third digital voltmeter 5 are connected with an input end of the air switch 2, and the first digital voltmeter 3, the second digital voltmeter 4, Second digital voltmeter 4 and third digital voltmeter 5 and air switch 2 install in fixing device 8's upper surface, and the installation is reliable, easily operation, and air switch 2's output is connected with PT cabinet voltage terminal 9 through the scalable portable power source line 1 of three-phase, the length of the scalable portable power source line 1 of three-phase is 3 ~ 50 meters, the scalable portable power source line 1 of three-phase adopts flexible design, receive and releases freely, easily accomodates, conveniently carries, and the PT cabinet is connected through the power wire with the electric energy meter, and the device is convenient and reliable, guarantees the accuracy of secondary circuit wiring.
When in use: scalable portable power cord 1 one end of three-phase is connected with PT cabinet voltage terminal, the other end of scalable portable power cord 1 of three-phase connects in air switch 2, air switch 2 and first digital voltmeter 3, second digital voltmeter 4 and third digital voltmeter 5 all are fixed in on the device, first digital voltmeter 3, second digital voltmeter 4 and third digital voltmeter 5 pass through three-colour power clamp 7 one-to-one with electric energy meter terminal 6 and are connected, when the display result through three digital voltmeter is 0, can check that the voltage secondary circuit is homophase, otherwise, then be the different phase, thereby realize the function that the voltage secondary circuit is correct to check the looks fast.
The utility model discloses can save time, improve work efficiency, convenient to use guarantees the accuracy of secondary circuit wiring, through air switch 2 control circuit's closure, can effectively prevent because the wiring mistake, and the voltage secondary circuit short-circuit fault that causes has improved convenience of use and security.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a transformer substation's voltage secondary circuit nuclear phase device which characterized in that: the three-color three-phase flexible power supply line comprises a three-phase flexible movable power supply line (1), an air switch (2), a first digital voltmeter (3), a second digital voltmeter (4), a third digital voltmeter (5), an electric energy meter terminal (6) and a three-color power supply line clamp (7), wherein the three-color power supply line clamp (7) is connected with the electric energy meter terminal (6) and is correspondingly connected with a wiring terminal of the electric energy meter terminal (6) one by one, the other end of the three-color power supply line clamp (7) is correspondingly connected with the first digital voltmeter (3), the second digital voltmeter (4) and the third digital voltmeter (5) respectively, the output ends of the first digital voltmeter (3), the second digital voltmeter (4) and the third digital voltmeter (5) are connected with the input end of the air switch (2), and the output end of the air switch (2) is connected with a PT cabinet voltage terminal (9) through the three-phase flexible movable power supply line (1), the PT cabinet is connected with the electric energy meter through a power supply lead.
2. The substation voltage secondary circuit phase checking device of claim 1, wherein: the three-phase telescopic movable power line (1) is yellow, green and red in color.
3. The substation voltage secondary circuit phase checking device of claim 1, wherein: the first digital voltmeter (3), the second digital voltmeter (4), the third digital voltmeter (5) and the air switch (2) are arranged on the upper surface of the fixing device (8).
4. The substation voltage secondary circuit phase checking device of claim 1, wherein: the three-phase telescopic movable power line (1) is 3-50 meters in length.
5. A substation voltage secondary circuit phase checking device according to claim 1 or 4, characterized in that: the three-phase telescopic movable power line (1) adopts a telescopic design.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921503752.4U CN210803601U (en) | 2019-09-10 | 2019-09-10 | Transformer substation's voltage secondary circuit nuclear phase device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921503752.4U CN210803601U (en) | 2019-09-10 | 2019-09-10 | Transformer substation's voltage secondary circuit nuclear phase device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210803601U true CN210803601U (en) | 2020-06-19 |
Family
ID=71225562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921503752.4U Expired - Fee Related CN210803601U (en) | 2019-09-10 | 2019-09-10 | Transformer substation's voltage secondary circuit nuclear phase device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210803601U (en) |
-
2019
- 2019-09-10 CN CN201921503752.4U patent/CN210803601U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200619 Termination date: 20210910 |