CN216719720U - Mounting structure of high-voltage current transformer - Google Patents
Mounting structure of high-voltage current transformer Download PDFInfo
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- CN216719720U CN216719720U CN202123034601.9U CN202123034601U CN216719720U CN 216719720 U CN216719720 U CN 216719720U CN 202123034601 U CN202123034601 U CN 202123034601U CN 216719720 U CN216719720 U CN 216719720U
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- distribution device
- side wall
- current transformer
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Abstract
The utility model discloses an installation structure of a high-voltage current transformer, which consists of the high-voltage current transformer, a current-carrying device, a CT bracket, a reinforcing rib at the upper part of the side wall of a power distribution device, a reinforcing rib at the lower part of the side wall of the power distribution device, a power distribution device body, a stud welded on the side wall of the power distribution device, a threaded sleeve connected with the CT bracket and the side wall of the power distribution device and a nut connected with the CT bracket and the side wall of the power distribution device.
Description
Technical Field
The utility model relates to a mounting structure of a high-voltage current transformer, which is suitable for the field of new energy power generation.
Background
The traditional insulation support type high-voltage current transformer adopts two terminals for wiring, high-voltage current passes through the inside of the current transformer, the size is large, the installation needs a large space, the compactness and miniaturization of a power transformation device are difficult to realize in order to ensure the insulation performance and meet the requirements of pollution grade and air clear distance, the weight is heavy and reaches 70-90kg, the hoisting installation is needed during the installation, and the installation wastes time and labor.
Electric energy generated by the new energy (wind power and photovoltaic) component is converted into high voltage by the step-up transformer and then enters the power distribution device. The distribution device is provided with a high-voltage current transformer to detect current, so that the running state of the system is monitored, fault current is timely removed according to the contrastive analysis and calculation with normal running current, and the protection of equipment and lines is realized.
Disclosure of Invention
The utility model provides a mounting structure of a high-voltage current transformer, which makes full use of upper reinforcing ribs and lower reinforcing ribs on the side wall of a power distribution device to respectively reinforce and support a CT bracket and a CT body, and realizes the compactness and high reliability of the whole structure.
The technical scheme adopted by the utility model is as follows:
a mounting structure of a high-voltage current transformer comprises the high-voltage current transformer, a current-carrying device, a CT (computed tomography) support, a reinforcing rib at the upper part of the side wall of a power distribution device, a reinforcing rib at the lower part of the side wall of the power distribution device, a body of the power distribution device, a stud welded on the side wall of the power distribution device, a threaded sleeve connected between the CT support and the side wall of the power distribution device and a nut connected between the CT support and the side wall of the power distribution device, wherein high-voltage current enters the center of the high-voltage current transformer through the current-carrying device and passes through the center; a shielding layer is laid on a penetrating part in an insulating layer of the current-carrying device, and the high-voltage current transformer and the CT bracket thereof are connected with the side wall of the power distribution device through a stud welded on the side wall of the power distribution device and a connecting nut.
The upper part of the CT bracket is bent in a shape like a Chinese character 'ji', and the lower part of the CT bracket is bent in an L shape.
The CT bracket is connected and reinforced with the suspended part of the side wall of the power distribution device by a threaded sleeve.
The bottom of the CT bracket is supported by a reinforcing rib at the upper part of the side wall of the power distribution device.
The lower part of the high-voltage current transformer is supported by a reinforcing rib at the lower part of the side wall of the power distribution device.
The utility model has the beneficial effects that: the utility model adopts a core-through structure, the current-carrying device with a shielding layer realizes the passing of high-voltage current, the current transformer is completely insulated from a high-voltage conductor, a multi-bending CT bracket structure and an integral suspension mounting mode are adopted, the structure of the power distribution device body is fully utilized to realize the reinforced support, and the compactness and the high reliability of the integral structure are realized.
Drawings
FIG. 1 is a schematic structural diagram of the present patent;
fig. 2 is a top view of the structure schematic of this patent.
The power distribution device comprises a 1-high-voltage current transformer, a 2-current-carrying device, a 3-CT support, a 4-power distribution device side wall upper reinforcing rib, a 5-power distribution device side wall lower reinforcing rib, a 6-power distribution device side wall, a 7-power distribution device body, 8-a stud welded on the power distribution device side wall, a 9-CT support, a threaded sleeve connected with the power distribution device side wall, and a 10-CT support, and a nut connected with the power distribution device side wall.
Detailed Description
The utility model relates to an installation structure of a high-voltage current transformer, which consists of a high-voltage current transformer 1, a current-carrying device 2, a CT bracket 3, a reinforcing rib 4 at the upper part of the side wall of a power distribution device, a reinforcing rib 5 at the lower part of the side wall of the power distribution device, a side wall 6 of the power distribution device, a body 7 of the power distribution device, a stud 8 welded on the side wall of the power distribution device, a threaded sleeve 9 connected between the CT bracket and the side wall of the power distribution device, and a nut 10 connected between the CT bracket and the side wall of the power distribution device, wherein high-voltage current enters the center of the high-voltage current transformer 1 through the current-carrying device 2 and passes through the high-voltage current transformer; a shielding layer is laid on a penetrating part in an insulating layer of the current-carrying device 2, and the high-voltage current transformer 1 and the CT support 3 thereof are connected with the side wall 6 of the power distribution device through a stud 8 welded on the side wall of the power distribution device and a connecting nut 10.
High-voltage current enters the center of the high-voltage current transformer 1 through the current-carrying device 2 and passes through the center;
a shielding layer is laid at the penetrating part in the insulating layer of the current-carrying device 2, so that discharge caused by capacitance partial pressure of an air gap between the current-carrying device 2 and the inner wall of the high-voltage current transformer is prevented, and the insulating property is improved;
the high-voltage current transformer 1 and the CT bracket 3 thereof are connected with the side wall 6 of the power distribution device through a stud 8 welded on the side wall of the power distribution device and a connecting nut 10;
the upper part of the CT bracket 3 is bent in a shape like a Chinese character 'ji', and the lower part of the CT bracket is bent in an L shape, so that the material consumption is saved most;
the suspended part of the CT bracket 3 and the side wall 6 of the power distribution device is connected and reinforced by a threaded sleeve 9;
the bottom of the CT bracket 3 is supported by a reinforcing rib 4 on the upper part of the side wall of the power distribution device, so that the tension on the stud 8 is reduced;
the lower part of the high-voltage current transformer 1 is supported by the reinforcing ribs 5 on the lower part of the side wall of the power distribution device, so that the installation reliability is improved.
Claims (5)
1. The utility model provides a high tension current transformer's mounting structure which characterized in that: the high-voltage current transformer is characterized by comprising a high-voltage current transformer (1), a current-carrying device (2), a CT (computed tomography) support (3), a reinforcing rib (4) on the upper part of the side wall of a power distribution device, a reinforcing rib (5) on the lower part of the side wall of the power distribution device, a side wall (6) of the power distribution device, a power distribution device body (7), a stud (8) welded on the side wall of the power distribution device, a threaded sleeve (9) connecting the CT support and the side wall of the power distribution device, and a nut (10) connecting the CT support and the side wall of the power distribution device, wherein high-voltage current enters the center of the high-voltage current transformer (1) through the current-carrying device (2) and passes through the high-voltage current transformer; a shielding layer is laid on a penetrating part in an insulating layer of the current-carrying device (2), and the high-voltage current transformer (1) and a CT support (3) thereof are connected with the side wall (6) of the power distribution device through a stud (8) welded on the side wall of the power distribution device and a connecting nut (10).
2. The mounting structure of a high-voltage current transformer according to claim 1, wherein: the upper part of the CT bracket (3) adopts a bent shape like a Chinese character 'ji', and the lower part adopts an L-shaped bent.
3. The mounting structure of a high-voltage current transformer according to claim 1, wherein: the CT bracket (3) and the suspended part of the side wall (6) of the power distribution device are connected and reinforced by a thread sleeve (9).
4. The mounting structure of a high-voltage current transformer according to claim 1, wherein: the bottom of the CT bracket (3) is supported by a reinforcing rib (4) on the upper part of the side wall of the power distribution device.
5. The mounting structure of a high-voltage current transformer according to claim 1, wherein: the lower part of the high-voltage current transformer (1) is supported by a reinforcing rib (5) at the lower part of the side wall of the power distribution device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123034601.9U CN216719720U (en) | 2021-12-06 | 2021-12-06 | Mounting structure of high-voltage current transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123034601.9U CN216719720U (en) | 2021-12-06 | 2021-12-06 | Mounting structure of high-voltage current transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216719720U true CN216719720U (en) | 2022-06-10 |
Family
ID=81880226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123034601.9U Active CN216719720U (en) | 2021-12-06 | 2021-12-06 | Mounting structure of high-voltage current transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216719720U (en) |
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2021
- 2021-12-06 CN CN202123034601.9U patent/CN216719720U/en active Active
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Legal Events
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| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230921 Address after: 271000 Longtan Road, Tai'an high tech Development Zone, Shandong, China Patentee after: SHANDONG TAIKAI ENERGY ENGINEERING TECHNOLOGY Co.,Ltd. Address before: 271000 hi tech Development Zone, Shandong, Tai'an Patentee before: SHANDONG TAIKAI KIOSK Co.,Ltd. |