CN111257689B - 一种at供电接触网电气性能评估方法 - Google Patents
一种at供电接触网电气性能评估方法 Download PDFInfo
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- CN111257689B CN111257689B CN202010086097.8A CN202010086097A CN111257689B CN 111257689 B CN111257689 B CN 111257689B CN 202010086097 A CN202010086097 A CN 202010086097A CN 111257689 B CN111257689 B CN 111257689B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/08—Locating faults in cables, transmission lines, or networks
- G01R31/081—Locating faults in cables, transmission lines, or networks according to type of conductors
- G01R31/086—Locating faults in cables, transmission lines, or networks according to type of conductors in power transmission or distribution networks, i.e. with interconnected conductors
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
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CN113071538B (zh) * | 2021-04-28 | 2021-12-10 | 西南交通大学 | 一种单线at牵引网列车运行方向辨识方法及系统 |
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2020
- 2020-02-11 CN CN202010086097.8A patent/CN111257689B/zh active Active
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EP0045113A1 (de) * | 1980-07-30 | 1982-02-03 | BBC Aktiengesellschaft Brown, Boveri & Cie. | Verfahren und Anordnung zur Lokalisierung eines Erdschlusses |
JPS60180424A (ja) * | 1984-02-28 | 1985-09-14 | 三菱電機株式会社 | 短絡距離継電器 |
US4751721A (en) * | 1987-02-11 | 1988-06-14 | Digital Equipment Corporation | Apparatus and method for testing contact interruptions of circuit interconnection devices |
JP2004301670A (ja) * | 2003-03-31 | 2004-10-28 | Denso Corp | センサ装置用断線検出回路 |
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CN103792433A (zh) * | 2014-02-21 | 2014-05-14 | 国家电网公司 | 以火花系数修正杆塔接地装置的低幅值冲击电阻测量方法 |
CN105653818A (zh) * | 2016-01-21 | 2016-06-08 | 中铁二院工程集团有限责任公司 | 一种电气化铁路牵引网阻抗计算方法 |
CN106055767A (zh) * | 2016-05-25 | 2016-10-26 | 西南交通大学 | 电气化铁路at牵引供电系统的状态空间模型建立方法 |
CN106356876A (zh) * | 2016-09-08 | 2017-01-25 | 国网吉林省电力有限公司延边供电公司 | 高铁at供电方式下注入电力系统的负序电流计算模型 |
CN109188209A (zh) * | 2018-09-29 | 2019-01-11 | 江苏新绿能科技有限公司 | At供电方式接触网接地故障识别方法 |
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电气化铁道复线AT供电网络研究;李爱武 等;《铁道运营技术》;20100331;全文 * |
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Inventor after: Yi Dong Inventor after: Wang Shuai Inventor after: Wang Hui Inventor after: Li Yan Inventor after: Li Qunzhan Inventor after: Zhang Shouhong Inventor after: Xing Ting Inventor after: Xie Shaofeng Inventor after: Guo Jie Inventor after: Ma Qingan Inventor after: Zhang Li Inventor before: Yi Dong Inventor before: Li Qunzhan Inventor before: Xie Shaofeng Inventor before: Guo Jie Inventor before: Ma Qingan Inventor before: Zhang Li Inventor before: Wang Shuai Inventor before: Wang Hui |
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Effective date of registration: 20210913 Address after: 100844 Fuxing Road 10, Beijing, Haidian District Patentee after: China National Railway Group Co.,Ltd. Patentee after: CHINA RAILWAY QINGHAI-TIBET GROUP Co.,Ltd. Patentee after: SOUTHWEST JIAOTONG University Address before: 610031 No. two, section 111, ring road, Chengdu, Sichuan, China Patentee before: SOUTHWEST JIAOTONG University |
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