CN218995523U - High-reliability phase checking device suitable for synchronous grid connection of generators - Google Patents
High-reliability phase checking device suitable for synchronous grid connection of generators Download PDFInfo
- Publication number
- CN218995523U CN218995523U CN202223363898.8U CN202223363898U CN218995523U CN 218995523 U CN218995523 U CN 218995523U CN 202223363898 U CN202223363898 U CN 202223363898U CN 218995523 U CN218995523 U CN 218995523U
- Authority
- CN
- China
- Prior art keywords
- switch
- apt
- phase
- device suitable
- mounting plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
The utility model discloses a high-reliability phase checking device suitable for synchronous grid connection of a generator, wherein three phase sequence tables are arranged ON the front side wall of a mounting plate, an APT switch is arranged ON the front side wall of the mounting plate, nine switches are arranged in the APT switch, the phase sequence tables are electrically connected with the APT switch, three groups of connecting terminals are arranged ON the rear side wall of the mounting plate at equal angles, the three groups of connecting terminals are respectively a power grid side connecting terminal, a load side connecting terminal and a generator output side connecting terminal, the three groups of connecting terminals are respectively connected with a power grid side copper bar, a load side copper bar and a generator output side copper bar, when the APT switch is turned ON, nine switches in the APT switch are simultaneously closed, and at the moment, the three phase sequence tables simultaneously indicate whether phase sequences of the generator output, the power grid side and the load side are correct, so that a manually operated phase sequence watchband can be electrically contacted with the copper bar, the operation of the APT switch is improved to check the phase, one person can finish the operation, the labor investment is reduced, safety is ensured, and more visual display is more visual.
Description
Technical Field
The utility model relates to the field of power distribution networks, in particular to a high-reliability phase checking device suitable for synchronous grid connection of generators.
Background
The distribution network is a network which receives electric energy from a power transmission network or a regional power plant, is distributed on site through a distribution facility or distributed to various users step by step according to voltage, is composed of an overhead line, a cable, a pole tower, a distribution transformer, a disconnecting switch, a reactive compensator, a plurality of auxiliary facilities and the like, plays an important role in distributing the electric energy in the power network, and is composed of the overhead line, the pole tower, the cable, the distribution transformer, switching equipment, reactive compensation capacitors and other distribution equipment and auxiliary facilities. From the viewpoint of the nature of the distribution network, the distribution network equipment also comprises a distribution device of a transformer substation, and grid connection technically refers to the physical connection between a generator set or a power plant or a direct-regulation user and a power grid. When grid connection is carried out, a conventional nuclear phase method is that an operator manually uses pins or detection clamps of a phase sequence table to lap-joint charged copper bars, whether the phase sequence is correct or not is judged through indication on the phase sequence table, insulation distance and operation safety must be paid attention to in the lap-joint process, and if the copper bars are in a narrow environment, the copper bars must be lapped by one person, and the copper bars are observed by one person, so that the process is laborious.
Disclosure of Invention
The technical problem to be solved by the utility model is that an operator manually uses a contact pin or a detection clamp of a phase sequence meter to lap-joint a charged copper bar, whether the phase sequence is correct or not is judged through indication on the phase sequence meter, the lap-joint process needs to pay attention to insulation distance and operation safety, and if the copper bar is in an environment with a small distance, the copper bar needs to be lap-jointed by one person, and the copper bar is observed by one person and is laborious.
In order to solve the technical problems, the utility model adopts a technical scheme that: the utility model provides a high reliability nuclear phase device suitable for generator synchronization is incorporated into power networks, including the mounting panel, the mounting panel is insulating mounting panel, the preceding lateral wall of mounting panel is equipped with three phase sequence table, the preceding lateral wall of mounting panel is equipped with the APT switch, be equipped with nine switches in the APT switch, the APT switch is connected to the phase sequence table electricity, the back lateral wall equi-angle of mounting panel is equipped with three binding post, nine binding post are connected nine switches on the APT switch respectively, and three sets of binding post are electric wire netting side binding post, load side binding post and generator output side binding post respectively.
Through the technical scheme, the three groups of the group of the terminals are respectively connected with the power grid side copper bar, the load side copper bar and the generator output side copper bar, when the APT switch is turned ON, the nine switches in the APT switch are simultaneously closed, and at the moment, the three phase sequence tables simultaneously indicate whether the phase sequence of the generator output, the power grid side and the load side is correct, so that the manually operated phase sequence watchband electric contact copper bar can be improved to operate the APT switch to carry out phase checking, one person can finish the operation, the labor input is reduced, the safety is ensured, and the display is more visual.
The utility model is further provided with: the phase sequence meter is provided with an indicator lamp, four corners of the mounting plate are respectively provided with a connecting plate, mounting holes are formed in the connecting plates, the rear side wall of the mounting plate is provided with an electric wire box, connecting wires are arranged in the electric wire box, and the connecting wires are connected with the wiring terminals in a plugging mode.
Through above-mentioned technical scheme, can be used for showing the testing result in real time through the pilot lamp, can be used for conveniently installing the mounting panel through the mounting hole, can be used for connecting binding post and copper bar through the connecting wire, can be used for carrying out quick connection through the mode of pegging graft.
The beneficial effects of the utility model are as follows:
1. the three groups of the group of the contact terminals are respectively connected with the power grid side copper bar, the load side copper bar and the generator output side copper bar, when the APT switch is turned ON, nine switches in the APT switch are simultaneously closed, and at the moment, the three phase sequence tables simultaneously indicate whether the phase sequence of the generator output, the power grid side and the load side is correct, so that the manual operation of the phase sequence watchband can be electrically contacted with the copper bar, the manual operation of the APT switch to check the phase can be improved, the manual operation can be completed by one person, the labor input is reduced, the safety is ensured, and the display is more visual;
2. the detection result can be displayed in real time through the indicator lamp, the installation plate can be installed conveniently through the installation hole, the wiring terminal and the copper bar can be connected through the connecting wire, and the quick connection can be performed through the plugging mode.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model.
Fig. 2 is a schematic view of the back structure of the present utility model.
Fig. 3 is a circuit connection diagram of the present utility model.
In the figure: 1. a mounting plate; 2. a phase sequence table; 3. an APT switch; 4. a connecting plate; 5. a mounting hole; 6. an indicator light; 7. a connection terminal; 8. and an electric wire box.
Detailed Description
The preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present utility model.
Referring to fig. 1 to 3, a high-reliability phase checking device suitable for synchronous grid connection of a generator comprises a mounting plate 1, wherein the mounting plate 1 is an insulating mounting plate, three phase sequence tables 2 are arranged ON the front side wall of the mounting plate 1, an APT switch 3 is arranged ON the front side wall of the mounting plate 1, nine switches are arranged in the APT switch 3, the phase sequence tables 2 are electrically connected with the APT switch 3, three groups of connecting terminals 7 are arranged ON the rear side wall of the mounting plate 1 at equal angles, the nine connecting terminals 7 are respectively connected with the nine switches ON the APT switch 3, the three groups of connecting terminals 7 are respectively a power grid side connecting terminal, a load side connecting terminal and a generator output side connecting terminal, the three groups of connecting terminals 7 are respectively connected with a power grid side copper bar, a load side copper bar and a generator output side copper bar, when the APT switch 3 is turned ON, the nine switches in the APT switch 3 are simultaneously closed, and the three phase sequence tables 1 simultaneously indicate whether the phase sequences of the output side, the power grid side and the load side are correct, so that a manual operation phase sequence watchband can be electrically contacted with the copper bar, the manual operation phase checking operation is improved to be completed, the human input can be reduced, and visual human input can be ensured, and human input can be ensured.
As shown in fig. 1 and 2, be equipped with pilot lamp 6 on the phase sequence table 2, the four corners of mounting panel 1 all is equipped with connecting plate 4, set up mounting hole 5 on the connecting plate 4, the rear side wall of mounting panel 1 is equipped with electric wire box 8, be equipped with connecting wire in the electric wire box 8, be connected through the mode of pegging graft between connecting wire and the binding post 7, can be used for showing the testing result in real time through pilot lamp 6, can be used for conveniently installing mounting panel 1 through mounting hole 5, can be used for connecting binding post 7 and copper bar through connecting wire, can be used for carrying out quick connect through the mode of pegging graft.
When the utility model is used, three groups of wiring terminals 7 are respectively connected with a power grid side copper bar, a load side copper bar and a generator output side copper bar through connecting wires, when the APT switch 3 is turned ON, nine switches in the APT switch 3 are simultaneously closed, at the moment, three phase sequence tables 1 simultaneously indicate whether the phase sequences of the generator output side, the power grid side and the load side are correct, so that the manual operation of the phase sequence watchband is electrically contacted with the copper bar, the phase checking operation of the APT switch is improved, the manual operation can be completed by one person, the labor input is reduced, the safety is ensured, the display is more visual, the detection result can be displayed in real time through the indicator lamp 6, the installation of the installation plate 1 can be conveniently realized through the installation hole 5, the wiring terminals 7 and the copper bars can be connected through the connecting wires, and the quick connection can be realized through the plugging mode.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (6)
1. The high-reliability phase checking device suitable for synchronous grid connection of the generator comprises a mounting plate (1), wherein the mounting plate (1) is an insulating mounting plate, and is characterized in that; the utility model discloses a three-phase-sequence switch, including mounting panel (1), APT switch (3), three phase-sequence table (2) are equipped with in the preceding lateral wall of mounting panel (1), be equipped with nine switches in APT switch (3), APT switch (3) are connected to phase-sequence table (2) electricity, the back lateral wall equiangle of mounting panel (1) is equipped with three binding post (7), nine binding post (7) are connected nine switches on APT switch (3) respectively.
2. The high-reliability phase checking device suitable for synchronous grid connection of generators according to claim 1, wherein: the three groups of connecting terminals (7) are a power grid side connecting terminal, a load side connecting terminal and a generator output side connecting terminal respectively.
3. The high-reliability phase checking device suitable for synchronous grid connection of generators according to claim 1, wherein: an indicator lamp (6) is arranged on the phase sequence table (2).
4. The high-reliability phase checking device suitable for synchronous grid connection of generators according to claim 1, wherein: the four corners of the mounting plate (1) are respectively provided with a connecting plate (4), and the connecting plates (4) are provided with mounting holes (5).
5. The high-reliability phase checking device suitable for synchronous grid connection of generators according to claim 1, wherein: the rear side wall of the mounting plate (1) is provided with an electric wire box (8), and a connecting electric wire is arranged in the electric wire box (8).
6. The high-reliability phase checking device suitable for synchronous grid connection of generators according to claim 5, wherein: the connecting wires are connected with the wiring terminals (7) in a plugging manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223363898.8U CN218995523U (en) | 2022-12-15 | 2022-12-15 | High-reliability phase checking device suitable for synchronous grid connection of generators |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223363898.8U CN218995523U (en) | 2022-12-15 | 2022-12-15 | High-reliability phase checking device suitable for synchronous grid connection of generators |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218995523U true CN218995523U (en) | 2023-05-09 |
Family
ID=86220495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223363898.8U Active CN218995523U (en) | 2022-12-15 | 2022-12-15 | High-reliability phase checking device suitable for synchronous grid connection of generators |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218995523U (en) |
-
2022
- 2022-12-15 CN CN202223363898.8U patent/CN218995523U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101931172B (en) | Electric debugging method of dry-quenching power distribution system | |
| CN201364372Y (en) | Wire connection device and polarity test system and transformation ratio test system comprising same | |
| CN203037759U (en) | Detection apparatus for response waveform of dynamic reactive power compensation device | |
| CN203054118U (en) | Short-circuit protection test apparatus for IGBT power unit | |
| CN218995523U (en) | High-reliability phase checking device suitable for synchronous grid connection of generators | |
| CN101841136A (en) | Broken wire on-load processing device for low-voltage distribution insulated conductor and processing method thereof | |
| CN217956708U (en) | Photovoltaic grid-connected access system | |
| Li et al. | Research on Single-phase Grounding Fault Handling True Test of Primary and Secondary Integration Circuit Breaker | |
| CN115951138A (en) | Automatic standby power supply switching device and uninterrupted power supply verification method of outlet loop of automatic standby power supply switching device | |
| CN202678668U (en) | Wiring device for electrical parameter testing lead | |
| CN211826314U (en) | Wind turbine generator system testing arrangement that is incorporated into power networks | |
| CN211089136U (en) | 6kV house service power interconnection device | |
| CN102981078B (en) | Response waveform detecting device and method for dynamic reactive-power generating device | |
| CN203037757U (en) | Detection apparatus for response waveform of dynamic var generation device | |
| CN207380168U (en) | A kind of device for checking cable connection | |
| CN110865219A (en) | Modularization electricity stealing prevention device suitable for low-voltage metering | |
| CN111817288A (en) | Site arrangement method and structure applied to power distribution network true test platform | |
| CN202737364U (en) | 35 kV no-one-entering modularization transformer station | |
| CN111123043A (en) | Wind turbine generator system testing arrangement that is incorporated into power networks | |
| CN215678556U (en) | Whole cabinet return circuit resistance testing arrangement of cubical switchboard | |
| CN2927351Y (en) | Open-loop grounding device for repairing power apparatus | |
| CN215815674U (en) | Portable power switch box | |
| CN216053516U (en) | TN-S electricity standard photoelectric demonstration device | |
| CN211126471U (en) | Switch cabinet electric secondary wiring rack | |
| CN204905742U (en) | Middling pressure looped netowrk vacuum circuit breaker cabinet |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |