WO2021036762A1 - 人工模拟强风及沿海环境下电缆破坏试验平台 - Google Patents
人工模拟强风及沿海环境下电缆破坏试验平台 Download PDFInfo
- Publication number
- WO2021036762A1 WO2021036762A1 PCT/CN2020/108007 CN2020108007W WO2021036762A1 WO 2021036762 A1 WO2021036762 A1 WO 2021036762A1 CN 2020108007 W CN2020108007 W CN 2020108007W WO 2021036762 A1 WO2021036762 A1 WO 2021036762A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- cable
- test platform
- coastal
- wind
- under strong
- Prior art date
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
Definitions
- the invention relates to a test platform for artificially simulating cable damage under strong wind and coastal environment.
- the overhead insulated cable is evenly and hermetically wrapped with a non-conductive insulating layer, which can effectively prevent the leakage, short circuit, electric shock and other accidents caused by the contact of the conductor with the outside world, and reduce the unsafe factors caused by the bare cable.
- a non-conductive insulating layer Used in the construction and transformation of the distribution network.
- insulated overhead cables will suffer from lightning disconnection, corrosion disconnection, and water ingress oxidation during operation, which will adversely affect the safe and stable operation of the distribution network.
- the present invention improves on the above-mentioned problems. That is, the technical problem to be solved by the present invention is that the salt density of the existing coastal areas is generally large, and the damage to the overhead insulated cables in the coastal areas is large. Therefore, it is necessary to deal with the damage of the cables in the coastal environment. Perform simulations to provide relevant experimental data to improve the installation design of coastal overhead insulated cables.
- the specific implementation of the present invention is: the artificial simulation of strong wind and cable damage test platform in coastal environment, including the test table and a pair of brackets fixed on the test table, there are a plurality of cement pole support columns between the pair of brackets, one A cable is fixed between the brackets, the upper part of the cement pole support column is provided with a cross arm supporting the cable, the cable is connected to the power source, the cross arm is provided with an insulator, and the test bench has an isolation covering the outside of the cable A spray port is arranged in the isolation cover, and the spray port is in communication with the spray port of the salt spray test machine.
- the test bench is also provided with a swing mechanism for simulating the cable swinging by wind.
- the swing mechanism includes a connecting rod capable of moving the cable up and down, a support rod is fixed at the lower end of the connecting rod, and the support rod is eccentrically connected to the output shaft of the motor.
- test bench has a current booster for adjusting the cable current, and the cable is connected to the power source through the current booster.
- one end of the cable is fixed to one of the brackets via a wire tensioner, and the other end of the cable is fixed to the other bracket via a tension sensor.
- a protective guardrail surrounds the outer periphery of the experimental table.
- an opening for the cable to pass through is left on the isolation cover.
- the present invention includes a method for artificially simulating strong wind and cable damage test under coastal environment, which is characterized in that it comprises using the above-mentioned artificially simulating strong wind and cable damage test platform under coastal environment, and the specific steps are as follows:
- the present invention simulates the actual service conditions of the cable through a built-up artificial simulation of strong wind and a cable damage test platform in a coastal environment. Simulate the damage to the stranded wire caused by the swing of the stranded wire on the electric pole in the coastal city under the influence of wind, find the appropriate monitoring physical quantity, and then monitor the cable in the service process, which can realize the monitoring of the full life and cycle of the cable.
- Figure 1 is a schematic top view of the structure of the present invention.
- Figure 2 is a schematic side view of the structure of the present invention.
- Figure 3 is a schematic diagram of the three-dimensional structure of the present invention.
- a test platform for artificially simulating cable damage under strong winds and coastal environments includes an experimental table 10 and a pair of brackets 20 fixed on the experimental table. A plurality of cement rods are arranged between the pair of brackets.
- the support column 30 has a cable 100 fixed between a pair of brackets.
- the upper part of the cement pole support column 30 has a cross arm 310 supporting the cable 100.
- the cable is connected to a power source.
- the cross arm is provided with an insulator.
- the table has an isolation cover 50 covering the outside of the cable.
- the isolation cover is provided with a spray port that communicates with the spray port of the salt spray test machine.
- the test bench is also provided with a simulation cable for swaying by wind. The swing mechanism.
- one of the brackets is fixed with a wire tensioner 210.
- the wire tensioner is connected to one end of the cable for adjusting the tension of the cable, and the other end of the cable is fixed to the tension sensor 220
- a counterweight 60 is hung on the cable.
- the counterweight 60 simulates the actual weight of the cable between two electric poles.
- the cement pole support column 30 is fixed with a cross arm and an insulator to simulate The installation method of the cable during actual use.
- a spray port is provided in the isolation cover, and the spray port is in communication with the spray port of the salt water spray test machine.
- the salt water spray test machine is turned on to spray into the isolation cover 50, so that the isolation cover is reserved for cables
- the isolation cover forms an external environment that simulates a high salt density in coastal areas. If the cable has been in service for a long time in this environment, salt spray will be formed on the insulation skin, and the surface leakage current will increase, resulting in ablation of the insulation skin. Moreover, after the insulation is damaged, the coastal environment will also accelerate the damage of the cable. This structure is used to simulate the condition of the cable in the coastal salt fog corrosion environment.
- the swing mechanism 70 includes a connecting rod 710 that can move the cable up and down.
- a support rod 720 is fixed at the lower end of the connecting rod.
- the support rod is eccentrically connected to the output shaft of the motor, and the cable is lifted and dropped through the connecting rod 710. The perturbation, so as to realize the simulation of the swing of the twisted wire affected by the wind.
- the table has a current booster 80 for adjusting the cable current, and the cable is connected to the power supply through the current booster, so that a large current is applied to both ends of the cable.
- a protective guardrail 90 surrounds the outer circumference of the test bench.
- the present invention includes a method for artificially simulating strong wind and cable damage test under coastal environment, including using the above-mentioned artificially simulating strong wind and cable damage test platform under coastal environment, and the specific steps are as follows:
- the servo swing device drives the cable to swing through the connecting rod, and by controlling the amplitude of the cable swing, it simulates the situation of strong wind and breeze at the scene;
- the main function of the cable is to conduct current to the insulated overhead cable, in order to study the effect of the current on the cable performance Impact, especially the impact of current on cables in polluted coastal areas, by connecting current devices at both ends of the cable to simulate the current flow of overhead cables.
- test platform can perform finite element analysis on the cable clamping area and calculate the fatigue life and the fatigue life of the conductor after the external protective layer is set.
- fixed connection can be understood as a fixed connection that can be detached (for example, connected by bolts or screws), or It is understood as: a non-detachable fixed connection (such as riveting, welding), of course, the mutual fixed connection can also be replaced by an integrated structure (for example, manufactured by a casting process) (except obviously that the integrated molding process cannot be used).
- Any component provided by the present invention can be assembled from a plurality of separate components, or can be a single component manufactured by an integral forming process.
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Environmental Sciences (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Ecology (AREA)
- Biodiversity & Conservation Biology (AREA)
- Chemical & Material Sciences (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
- Testing Relating To Insulation (AREA)
Abstract
Description
Claims (8)
- 人工模拟强风及沿海环境下电缆破坏试验平台,包括实验台面及固定于实验台面上的一对支架,所述一对支架之间具有多个水泥杆支撑柱,一对支架之间固定有电缆,所述水泥杆支撑柱上部具有支撑电缆的横担,所述电缆与电源连接,所述横担上设置有绝缘子,所述实验台面上具有罩于电缆外部的隔离罩,所述隔离罩内设置有喷雾口,所述喷雾口与盐水喷雾试验机的喷雾口联通,所述实验台面上还设置有用于模拟电缆受风力摆动的摆动机构。
- 根据权利要求1所述的人工模拟强风及沿海环境下电缆破坏试验平台,其特征在于,所述摆动机构包括能上下拨动电缆的连杆,所述连杆下端固定有支撑杆,所述支撑杆偏心连接于电机输出轴上。
- 根据权利要求1或2所述的人工模拟强风及沿海环境下电缆破坏试验平台,其特征在于,所述电缆上还挂设有配重块。
- 根据权利要求3所述的人工模拟强风及沿海环境下电缆破坏试验平台,其特征在于,所述实验台面上具有用于调解电缆电流的升流器,所述电缆经升流器与电源连接。
- 根据权利要求4所述的人工模拟强风及沿海环境下电缆破坏试验平台,其特征在于,所述电缆一端经紧线器固定于其中一个支架上,电缆另一端经拉力传感器固定于另一个支架上。
- 根据权利要求4所述的人工模拟强风及沿海环境下电缆破坏试验平台,其特征在于,所述实验台面的外周围绕有防护护栏。
- 根据权利要求4所述的人工模拟强风及沿海环境下电缆破坏试验平台,其特征在于,隔离罩上留有以供电缆穿过的开口。
- 一种人工模拟强风及沿海环境下电缆破坏试验的方法,其特征在于,包括利用如权利要求5或6所述的人工模拟强风及沿海环境下电缆破坏试验平台,具体步骤如下:(1)将电缆设置于水泥杆支撑柱上,利用拉力传感器和紧线器调节电缆的张紧力,电缆经升流器连接电源,根据需要通过升流器调解电缆内加载电流的大小;(2)开启盐水喷雾试验机向隔离罩内释放盐水喷雾,模拟沿海地区电缆受盐雾的影响;(3)开启摆动机构利用连杆的上抬下坠横移的动作使电缆产生摆动;(4)在横担上贴附应变片监测电缆受力情况。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020568677A JP2022501572A (ja) | 2019-08-30 | 2020-08-07 | 人工模擬強風及び沿岸環境におけるケーブル破壊試験プラットフォーム |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910819095.2 | 2019-08-30 | ||
CN201910819095.2A CN110595989A (zh) | 2019-08-30 | 2019-08-30 | 人工模拟强风及沿海环境下电缆破坏试验平台及其方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2021036762A1 true WO2021036762A1 (zh) | 2021-03-04 |
Family
ID=68856645
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CN2020/108007 WO2021036762A1 (zh) | 2019-08-30 | 2020-08-07 | 人工模拟强风及沿海环境下电缆破坏试验平台 |
Country Status (3)
Country | Link |
---|---|
JP (2) | JP2022501572A (zh) |
CN (1) | CN110595989A (zh) |
WO (1) | WO2021036762A1 (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115839882A (zh) * | 2023-02-21 | 2023-03-24 | 国网辽宁省电力有限公司 | 一种轻质高绝缘复合材料的性能测试仪 |
CN116631273A (zh) * | 2023-07-25 | 2023-08-22 | 国网福建省电力有限公司 | 一种模拟高空漏电故障采集装置 |
CN116879658A (zh) * | 2023-07-18 | 2023-10-13 | 江苏振泰电缆有限公司 | 一种高精密成型电缆质量检测装置 |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110595989A (zh) * | 2019-08-30 | 2019-12-20 | 国网福建省电力有限公司电力科学研究院 | 人工模拟强风及沿海环境下电缆破坏试验平台及其方法 |
CN113483927B (zh) * | 2021-06-18 | 2023-04-25 | 安徽龙联智能光电有限公司 | 一种架空电缆风摆监测方法、装置、系统及存储介质 |
CN115616354A (zh) * | 2022-09-30 | 2023-01-17 | 海南电网有限责任公司电力科学研究院 | 一种模拟盐雾环境下硅橡胶护套电晕老化的装置 |
CN115655890B (zh) * | 2022-12-28 | 2023-03-17 | 湖北恒泰电线电缆有限公司 | 一种电缆拉力试验机 |
CN116337644A (zh) * | 2023-03-31 | 2023-06-27 | 安徽省中车科技有限公司 | 一种具有多受力部的电缆加工耐压性测试装置及测试方法 |
KR102584170B1 (ko) * | 2023-04-07 | 2023-10-06 | 주식회사 파인콤 | 와이어로프 피로 파손 시험장치 |
CN117189036B (zh) * | 2023-09-12 | 2024-03-29 | 大庆石油管理局有限公司 | 一种塔架式抽油机配重导向装置及安装调整方法 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103913411A (zh) * | 2014-03-31 | 2014-07-09 | 广州供电局有限公司 | Adss光缆试验装置及方法 |
CN204269326U (zh) * | 2014-11-21 | 2015-04-15 | 武汉安凯电缆有限公司 | 一种射频同轴电缆组件振动试验装置 |
CN106066300A (zh) * | 2016-05-26 | 2016-11-02 | 芜湖顺成电子有限公司 | 低烟无卤电线耐腐蚀性能测试箱 |
CN106920445A (zh) * | 2017-04-30 | 2017-07-04 | 国网江苏省电力公司职业技能训练基地 | 一种综合模拟电危害的设备 |
CN109269973A (zh) * | 2018-09-29 | 2019-01-25 | 国网四川省电力公司电力科学研究院 | 直流输电线路绝缘子金具直流电场腐蚀实验系统及方法 |
CN110595989A (zh) * | 2019-08-30 | 2019-12-20 | 国网福建省电力有限公司电力科学研究院 | 人工模拟强风及沿海环境下电缆破坏试验平台及其方法 |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6479643A (en) * | 1987-09-22 | 1989-03-24 | Fujikura Ltd | Evaluation of anti-stress, corrosion and cracking for hard copper twisted wire |
JP2012078314A (ja) * | 2010-10-06 | 2012-04-19 | Railway Technical Research Institute | 超電導磁気浮上式鉄道用地上コイルのケーブル接続部振動試験装置 |
CN202720176U (zh) * | 2012-08-03 | 2013-02-06 | 杭州临安光大线缆有限公司 | 盐雾腐蚀实验箱 |
CN104422619A (zh) * | 2013-09-04 | 2015-03-18 | 海洋王(东莞)照明科技有限公司 | 一种电缆线低温弯曲性能测试装置及其测试方法 |
CN104677584B (zh) * | 2015-03-26 | 2017-05-17 | 西南石油大学 | 一种钻具螺纹动态疲劳模拟测试装置及方法 |
CN204613330U (zh) * | 2015-05-15 | 2015-09-02 | 中国农业科学院农业信息研究所 | 一种淋雨试验箱 |
CN204855711U (zh) * | 2015-08-11 | 2015-12-09 | 广州供电局有限公司 | 电缆状态评估试验平台 |
CN106021839B (zh) * | 2016-02-02 | 2018-03-06 | 江苏省电力公司南京供电公司 | 一种地铁隧道电缆支架疲劳可靠性的预测方法 |
CN108225947A (zh) * | 2016-12-15 | 2018-06-29 | 北京信邦同安电子有限公司 | 电缆柔韧性能测试机 |
JP6771769B2 (ja) * | 2017-07-18 | 2020-10-21 | スガ試験機株式会社 | 塩粒子発生装置および腐食促進試験機 |
CN107782528B (zh) * | 2017-11-20 | 2022-10-04 | 三峡大学 | 一种大风影响下缆机吊罐摆动的风洞试验研究装置及方法 |
CN207976359U (zh) * | 2018-03-28 | 2018-10-16 | 永康市质量技术监督检测中心 | 一种电动工具尾部电缆抗弯折测试工具 |
CN108489832B (zh) * | 2018-05-03 | 2020-10-02 | 国网新疆电力有限公司电力科学研究院 | 一种高压导线摆动疲劳试验机 |
CN108931443A (zh) * | 2018-05-30 | 2018-12-04 | 莱茵检测认证服务(中国)有限公司 | 6kV到35kV风力发电系统用软电缆的耐扭曲检测方法 |
CN208255333U (zh) * | 2018-06-22 | 2018-12-18 | 青岛海洋电气设备检测有限公司 | 一种综合环境下低压通电复合试验系统 |
CN109188217B (zh) * | 2018-08-22 | 2020-08-11 | 云南电网有限责任公司电力科学研究院 | 一种潮湿环境下电缆径向绝缘损伤模拟平台 |
CN109253852B (zh) * | 2018-09-25 | 2022-08-19 | 中国电力科学研究院有限公司 | 一种架空输电线路低温振动疲劳测试装置 |
CN109443680A (zh) * | 2018-12-05 | 2019-03-08 | 国网浙江省电力有限公司经济技术研究院 | 一种输电导线脱冰振动测试装置及测试方法 |
CN109991028A (zh) * | 2019-04-28 | 2019-07-09 | 南京工业大学 | 一种同时实现振动和摆动工况的喷雾冷却实验台及方法 |
-
2019
- 2019-08-30 CN CN201910819095.2A patent/CN110595989A/zh active Pending
-
2020
- 2020-08-07 JP JP2020568677A patent/JP2022501572A/ja active Pending
- 2020-08-07 WO PCT/CN2020/108007 patent/WO2021036762A1/zh active Application Filing
-
2022
- 2022-09-08 JP JP2022002986U patent/JP3239731U/ja active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103913411A (zh) * | 2014-03-31 | 2014-07-09 | 广州供电局有限公司 | Adss光缆试验装置及方法 |
CN204269326U (zh) * | 2014-11-21 | 2015-04-15 | 武汉安凯电缆有限公司 | 一种射频同轴电缆组件振动试验装置 |
CN106066300A (zh) * | 2016-05-26 | 2016-11-02 | 芜湖顺成电子有限公司 | 低烟无卤电线耐腐蚀性能测试箱 |
CN106920445A (zh) * | 2017-04-30 | 2017-07-04 | 国网江苏省电力公司职业技能训练基地 | 一种综合模拟电危害的设备 |
CN109269973A (zh) * | 2018-09-29 | 2019-01-25 | 国网四川省电力公司电力科学研究院 | 直流输电线路绝缘子金具直流电场腐蚀实验系统及方法 |
CN110595989A (zh) * | 2019-08-30 | 2019-12-20 | 国网福建省电力有限公司电力科学研究院 | 人工模拟强风及沿海环境下电缆破坏试验平台及其方法 |
Non-Patent Citations (1)
Title |
---|
STATE GRID CORPORATION OF CHINA: "Setting Up an Experimental Platform for Artificial Simulation of Strong Coastal Winds Damaging Covered Conductors", 6 August 2019 (2019-08-06), pages 1 - 2, XP009526519, Retrieved from the Internet <URL:http://www.sasac.gov.cn/n2588025/n2588124/c11914122/content.html> * |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115839882A (zh) * | 2023-02-21 | 2023-03-24 | 国网辽宁省电力有限公司 | 一种轻质高绝缘复合材料的性能测试仪 |
CN115839882B (zh) * | 2023-02-21 | 2023-05-16 | 国网辽宁省电力有限公司 | 一种轻质高绝缘复合材料的性能测试仪 |
CN116879658A (zh) * | 2023-07-18 | 2023-10-13 | 江苏振泰电缆有限公司 | 一种高精密成型电缆质量检测装置 |
CN116631273A (zh) * | 2023-07-25 | 2023-08-22 | 国网福建省电力有限公司 | 一种模拟高空漏电故障采集装置 |
CN116631273B (zh) * | 2023-07-25 | 2023-11-07 | 国网福建省电力有限公司 | 一种模拟高空漏电故障采集装置 |
Also Published As
Publication number | Publication date |
---|---|
CN110595989A (zh) | 2019-12-20 |
JP3239731U (ja) | 2022-11-04 |
JP2022501572A (ja) | 2022-01-06 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2021036762A1 (zh) | 人工模拟强风及沿海环境下电缆破坏试验平台 | |
CN103487731B (zh) | 一种绝缘子串试验装置 | |
CN110361155A (zh) | 一种弧形导线风荷载的风洞测试装置 | |
CN211426654U (zh) | 一种复合绝缘横担老化试验系统 | |
CN203587740U (zh) | 一种绝缘子串试验装置 | |
CN109559584A (zh) | 移动式多功能配电实训平台 | |
CN113251973A (zh) | 一种输电线路覆冰厚度监测方法、系统、装置及可读存储介质 | |
CN104154953A (zh) | 一种覆冰自动观测系统 | |
CN204008416U (zh) | 复合材料电杆多因子加速老化实验装置 | |
CN107765146B (zh) | 低压侧母线包封材料的绝缘性能现场检测装置及检测方法 | |
CN103956701A (zh) | 多功能带电智能融冰系统 | |
CN206260657U (zh) | 一种防鸟刺兼防鸟粪装置 | |
CN202502203U (zh) | 一种杆塔与绝缘子串覆冰桥接闪络模拟实验装置 | |
CN204257304U (zh) | 一种玻璃绝缘子防雷金具 | |
CN201857793U (zh) | 带有驱鸟器的铁塔 | |
CN208580148U (zh) | 一种基于无人机的配电架空线路验电器 | |
CN208383969U (zh) | 一种配电架空线路用无人机验电装置 | |
CN204043711U (zh) | 一种覆冰自动观测系统 | |
CN213400183U (zh) | 输电线路模拟实验平台 | |
CN206345608U (zh) | 一种预制场门机供电系统 | |
CN113507166A (zh) | 一种线缆监控系统和方法 | |
CN201639237U (zh) | 输电线路用防鸟转刺 | |
CN201408937Y (zh) | 一种用于吊车的导线提升装置 | |
CN205452910U (zh) | 一种gw7型闸刀带电消缺专用工具 | |
CN206742013U (zh) | 一种信息高压绝缘子钢脚架 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ENP | Entry into the national phase |
Ref document number: 2020568677 Country of ref document: JP Kind code of ref document: A |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 20859051 Country of ref document: EP Kind code of ref document: A1 |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 20859051 Country of ref document: EP Kind code of ref document: A1 |
|
32PN | Ep: public notification in the ep bulletin as address of the adressee cannot be established |
Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 112(1) EPC (EPO FORM 1205A DATED 17/10/2022) |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 20859051 Country of ref document: EP Kind code of ref document: A1 |