CN209979771U - Alternating current transmission line tree obstacle test device - Google Patents
Alternating current transmission line tree obstacle test device Download PDFInfo
- Publication number
- CN209979771U CN209979771U CN201920293356.7U CN201920293356U CN209979771U CN 209979771 U CN209979771 U CN 209979771U CN 201920293356 U CN201920293356 U CN 201920293356U CN 209979771 U CN209979771 U CN 209979771U
- Authority
- CN
- China
- Prior art keywords
- transmission line
- tree
- simulation
- alternating current
- tree barrier
- 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
Abstract
The utility model discloses an alternating current transmission line tree barrier test device, relate to transmission line tree barrier test technical field, through placing tree barrier analogue means in simulation transmission line device below, monitor terminal sets up on simulation transmission line device, through adjusting tree barrier analogue means and simulation transmission line device simulation transmission line tree barrier experiment, discharge data when can monitoring simulation transmission line tree barrier experiment through monitor terminal, thereby monitor the abnormal current that trees trouble produced in alternating current transmission line, need not monitor and a large amount of data acquisition for a long time in actual transmission line, just can carry out accurate data monitoring and collection to the circuit tree barrier condition of discharging, be convenient for fortune dimension personnel adjust work according to data, thereby can improve work efficiency.
Description
Technical Field
The utility model relates to a transmission line tree barrier test technical field especially relates to an alternating current transmission line tree barrier test device.
Background
Alternating current transmission lines are widely applied, a large number of lines pass through the space above trees, and in the fault of the alternating current transmission lines, the lines discharge to the trees due to the fact that the trees are too close to the lines, flashover is caused, the fault tripping of the transmission lines is caused, and the fault tripping is a large fault reason except lightning stroke. At present, a series of researches are carried out at home and abroad in order to avoid tree faults as much as possible and monitor abnormal states of trees, but most of the researches are directed at the prediction of tree growth trends, and the monitoring of abnormal currents generated in a circuit due to the tree faults is lacked, so that the tree fault condition is difficult to analyze by monitoring the current condition of an alternating current transmission line.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an alternating current transmission line tree barrier test device to overcome the shortcoming of the monitoring of the abnormal current that present lack produced in transmission line to trees trouble.
In order to achieve the above object, the utility model provides an alternating current transmission line tree barrier test device, include: an analog transmission line device, the analog transmission line device comprising:
an analog conductor for simulating a conductor in a power transmission line,
an insulator, one end of which is connected with the middle of the simulation wire, the other end of which is connected with one end of the two insulating ropes, the other ends of the two insulating ropes are respectively connected with the two ends of the simulation wire, so that the simulation wire is fixed with the insulating ropes through the insulator and can be horizontally suspended in the air, and
the power frequency power supply is connected with one end of the analog lead and used for providing voltage for the analog lead;
the tree obstacle simulation device comprises a test tree and a container for placing the test tree, wherein the test tree is placed below the simulation power transmission line device and is used for matching with the simulation power transmission line device to perform a tree obstacle test; and
and the monitoring terminal is arranged on the simulated power transmission line device and used for monitoring discharge data of the simulated power transmission line device during a tree barrier test through the tree barrier simulation device.
Further, the monitoring terminal is installed on the analog conductor.
Further, the tree barrier simulation device further comprises a tree placing platform which is connected with the ground and used for placing 1 or more containers.
Further, the tree placing platform is a lifting platform.
Further, rollers are arranged below the tree placement platform.
Furthermore, both ends of the simulation lead and the high-voltage end part of the insulator are provided with voltage-sharing devices.
Further, the insulator is a composite insulator.
Further, the power supply is a power supply capable of adjusting voltage.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model provides an alternating current transmission line tree barrier test device, through placing tree barrier analogue means in simulation transmission line device below, monitor terminal sets up on simulation transmission line device, it is experimental with simulation transmission line device simulation transmission line tree barrier through adjusting tree barrier analogue means, discharge data when can monitoring simulation transmission line tree barrier through monitor terminal is experimental, thereby to the monitoring of the abnormal current that trees trouble produced in alternating current transmission line, need not monitor for a long time and a large amount of data acquisition in actual transmission line, just can carry out accurate data monitoring and collection to the circuit tree barrier condition of discharging, be convenient for fortune dimension personnel adjust work according to data, thereby can improve work efficiency.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only one embodiment of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an ac transmission line tree obstacle testing device of the present invention;
wherein: 1-simulation lead, 2-insulator, 3-insulating rope, 4-power frequency power supply, 5-monitoring terminal, 6-tree placing platform, 7-container and 8-test tree.
Detailed Description
The technical solution 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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1, the utility model provides an alternating current transmission line tree barrier test device includes: the device comprises a simulation power transmission line device, a tree obstacle simulation device and a monitoring terminal 5, wherein the tree obstacle simulation device is placed under the simulation power transmission line device and is grounded, the monitoring terminal 5 is arranged on the simulation power transmission line device, the tree obstacle simulation device is placed under the simulation power transmission line device to simulate a tree obstacle test of the power transmission line, and discharge data during the tree obstacle test of the simulation power transmission line can be monitored through the monitoring terminal 5.
With continued reference to fig. 1, the analog power transmission line device includes: the device comprises a simulation lead 1, an insulator 2, a power frequency power supply 4 and a voltage-sharing device. One end of the insulator 2 is connected with the middle of the simulation lead 1, the other end of the insulator is connected with one end of two insulating ropes 3, and the other ends of the two insulating ropes 3 are respectively connected with two ends of the simulation lead 1; the simulation wire 1 and the two insulating ropes 3 form a triangle through the two insulating ropes 3, then the connection part of the two ends of the insulator 2 and the two insulating ropes 3 is connected with the middle of the simulation wire 1, so that the simulation wire 1 is fixed through the two insulating ropes 3 and the insulator 2 and can be horizontally positioned in the air, and as the simulation wire 1 simulates a power transmission line which adopts hard wires, the simulation wire 1 and the two insulating ropes 3 form a triangle through the simulation wire 1 and the two insulating ropes 3, and then the insulator 2 is combined, so that the simulation wire 1 can be better fixed, and the simulation wire 1 is horizontally positioned in the air; the insulator 2 adopts a composite insulator, and can achieve a better insulating effect. And the power frequency power supply 4 is connected with one end of the analog lead 1 and is used for changing the voltage of the analog lead 1. Both ends of the simulation lead 1 and the high-voltage end part of the insulator 2 are provided with voltage-sharing devices for reducing corona discharge interference and improving test quality. The monitoring terminal 5 is installed on the analog lead 1, and the monitoring terminal 5 is a current detection terminal.
With further reference to fig. 1, the tree barrier simulation apparatus includes: a test tree 8, a container 7 and a tree placing platform 6. The test trees 8 are planted in the containers 7, 1 or more containers 7 are placed on the tree placing platform 6, and the tree placing platform 6 is connected with the ground; the tree placing platform 6 is a lifting platform, and the rollers are arranged below the tree placing platform 6, so that the tree placing platform 6 can be conveniently pushed to enable the tested trees 8 to be positioned under the simulation lead 1, and labor force is saved; the number and the density of the containers 7 can be changed through the tree placing platform 6, and the distance between the tested tree 8 and the simulation lead 1 can be adjusted, so that various states of the tree obstacle test can be simulated.
Right the utility model discloses alternating current transmission line tree barrier test device's operation method explains in detail to make technical personnel in the field more understand the utility model discloses:
for convenience of test, the simulation lead 1 adopted in this embodiment is a lead adopted by a power transmission line, the monitoring terminal 5 is a current detection sensor with a wireless communication module and adopting a self-integrating rogowski coil current sensor, the current monitoring terminal 5 can transmit collected current data to a background data analysis system, the power frequency power supply 4 is a power frequency power supply with a transformer, the rated output voltage of the transformer is 500kV, the rated current of the transformer is 1A, and the rated capacity of the transformer is 500kVA, and the voltage-sharing device adopts a voltage-sharing ring.
The suspension connection position of the two insulating ropes 3 is hung on a hook of a crane, the distance between the simulation lead 1 and a test tree 8 can be flexibly adjusted through the crane, and in order to better fix the simulation lead 1, the two ends of the simulation lead 1 can be fixed with a nearby wall or a fixed object through the insulating ropes 3; the number and the size of the test trees 8 for the tree obstacle test are selected, the test trees 8 are placed on the tree placing platform 6 according to the test requirements, and the tree placing platform 6 is pushed to enable the test trees 8 to be placed under the simulation lead 1.
In order to meet the insulation and safety requirements of the test process, the distance between any high-voltage live part and any low-potential part meets the requirement that the distance is not less than 0.5m and is not less than 1.5m in any case per 100KV test voltage, and the ground height is about 3 m.
During the experiment, the voltage of the simulation wire 1 is changed by adjusting the voltage of the power frequency power supply 4, the density of the actual tree barriers is simulated by adjusting the number of the test trees 8 and the placing density of the container 7, the distance between the test trees 8 and the simulation wire 1 is changed by adjusting the height of the placing platform, the current of the simulation wire 1 is collected by the current monitoring terminal on the simulation wire 1 in real time, the collected current waveform information is transmitted to the background system through the wireless communication module in the current monitoring terminal, and the collection and analysis of the tree barrier discharge information are realized.
To sum up, the utility model relates to an alternating current transmission line tree barrier test device, under the multiple voltage specification through simulation transmission line device simulation alternating current circuit, trees are in the condition of discharging under the condition of different density to and the condition of discharging of trees when not co-altitude, need not carry out long-term monitoring and a large amount of data acquisition in actual transmission line, just can carry out accurate collection analysis to the circuit tree barrier condition of discharging, and the fortune dimension personnel of being convenient for adjust work according to data, thereby can improve work efficiency.
The above disclosure is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or modifications within the technical scope of the present invention, and all should be covered by the scope of the present invention.
Claims (7)
1. The utility model provides an alternating current transmission line tree barrier test device which characterized in that: the method comprises the following steps:
an analog transmission line device, the analog transmission line device comprising:
an analog conductor for simulating a conductor in a power transmission line,
an insulator, one end of which is connected with the middle of the simulation wire, the other end of which is connected with one end of two insulating ropes, the other ends of the two insulating ropes are respectively connected with the two ends of the simulation wire, so that the simulation wire is fixed with the insulating ropes through the insulator and can be horizontally suspended in the air, and
the power frequency power supply is connected with one end of the analog lead and used for providing voltage for the analog lead;
the tree obstacle simulation device comprises a test tree and a container for placing the test tree, wherein the test tree is placed below the simulation power transmission line device and is used for matching with the simulation power transmission line device to perform a tree obstacle test; and
and the monitoring terminal is arranged on the simulated power transmission line device and used for monitoring discharge data of the simulated power transmission line device during a tree barrier test through the tree barrier simulation device.
2. The alternating current transmission line tree barrier test device of claim 1, characterized in that: the monitoring terminal is installed on the simulation lead.
3. The alternating current transmission line tree barrier test device of claim 1, characterized in that: the tree barrier simulation device further comprises a tree placing platform which is connected with the ground and used for placing 1 or more containers.
4. The alternating current transmission line tree barrier test device of claim 3, characterized in that: the tree placing platform is a lifting platform.
5. The alternating current transmission line tree barrier test device of claim 3, characterized in that: and rollers are arranged below the tree placing platform.
6. The alternating current transmission line tree barrier test device of claim 1, characterized in that: and voltage-sharing devices are arranged at the two ends of the simulation lead and the high-voltage end part of the insulator.
7. The alternating current transmission line tree barrier test device of claim 1, characterized in that: the insulator is a composite insulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920293356.7U CN209979771U (en) | 2019-03-08 | 2019-03-08 | Alternating current transmission line tree obstacle test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920293356.7U CN209979771U (en) | 2019-03-08 | 2019-03-08 | Alternating current transmission line tree obstacle test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209979771U true CN209979771U (en) | 2020-01-21 |
Family
ID=69254181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920293356.7U Active CN209979771U (en) | 2019-03-08 | 2019-03-08 | Alternating current transmission line tree obstacle test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209979771U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114234940A (en) * | 2021-12-16 | 2022-03-25 | 国网四川省电力公司电力科学研究院 | System and method for measuring tree line discharge basic data of high-voltage power line |
-
2019
- 2019-03-08 CN CN201920293356.7U patent/CN209979771U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114234940A (en) * | 2021-12-16 | 2022-03-25 | 国网四川省电力公司电力科学研究院 | System and method for measuring tree line discharge basic data of high-voltage power line |
| CN114234940B (en) * | 2021-12-16 | 2023-08-15 | 国网四川省电力公司电力科学研究院 | Measurement system and method for tree line discharge basic data of high-voltage power line |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110174590B (en) | Power cable comprehensive fault test simulation system and method | |
| CN104502802A (en) | Method and system for recognizing lightning strike fault and lightning strike fault type of power transmission line | |
| CN203465382U (en) | Insulation monitoring system of high-voltage cable sheath | |
| CN103558448B (en) | A kind of transmission line of electricity multichannel lightning current monitoring device | |
| CN103617754A (en) | Fault simulation and test simulation system for power cables | |
| CN103323751A (en) | High-voltage short-cable insulation terminal partial discharge testing device and using method | |
| CN106226603A (en) | The corona loss of a kind of HVAC power transmission line measures system and method | |
| CN106526383A (en) | Lightning arrester state monitoring system and lightning arrester state monitoring method | |
| CN104793101A (en) | Transient travelling wave small-current grounding line selection device and test method thereof | |
| CN202330562U (en) | Ground resistance test wire clamp | |
| CN209979771U (en) | Alternating current transmission line tree obstacle test device | |
| CN112578204B (en) | Lightning protection true type test system for power distribution network and multi-space-time scale dynamic evaluation method | |
| CN104502804B (en) | The recognition methods of transmission line lightning stroke failure and lightning fault type and system | |
| CN109738756A (en) | Transmission line faultlocating system, method and apparatus | |
| CN110927528A (en) | Transmission line fault simulation test device | |
| CN105759105B (en) | High-voltage convertor station DC fields transient voltage monitoring device and method | |
| CN211979100U (en) | Insulating operating rod voltage-withstand test device capable of simultaneously testing in large batch | |
| CN210038045U (en) | Lightning-induced tower protection range test platform | |
| CN115542073A (en) | High tension transmission line abnormity alarm system | |
| CN109599828A (en) | Trouble analysis system and method based on high-speed railway tractive power supply system | |
| CN213986637U (en) | Transmission tower ground resistance and thunder and lightning monitoring device | |
| CN205484585U (en) | A 100kA thunder current generator for earthing device impact characteristic test | |
| CN101216519A (en) | Distribution cable line live working measurement method | |
| CN209311537U (en) | Power transformer electrical apparatus test auxiliary connection device | |
| CN106772190A (en) | The test comparison method and device of electronic type voltage transformer under the conditions of a kind of VFTO |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |