Invention Grant
- Patent Title: Method for locating short circuit in an overhead power transmission line by unsynchronized measurements at both ends thereof
- Patent Title (中): 通过在其两端的不同步测量来定位架空输电线路中的短路的方法
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Application No.: US14055598Application Date: 2013-10-16
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Publication No.: US09052353B2Publication Date: 2015-06-09
- Inventor: Alexandr Nikandrovich Visyaschev , Eduard Ruslanovich Plenkov , Stepan Georgievich Tiguntsev
- Applicant: FEDERALNOYE GOSUDARSTVENNOYE BUDZHETNOYE OBRAZOVATELNOYE UCHREZHDENIE VYSSHEGO OBRAZOVANIYA “IRKUTSKI NATSIONALNY ISSLEDOVATELSKI TEHNICHESKI UNIVERSITET” (FGBOU VO “IRNITU”)
- Applicant Address: RU Irkutsk
- Assignee: FEDERALNOYE GOSUDARSTVENNOYE BUDZHETNOYE OBRAZOVATELNOYE UCHREZHDENIE VYSSHEGO OBRAZOVANIYA “IRKUTSKI NATSIONALNY ISSLEDOVATELSKI TEHNICHESKI UNIVERSITET” (FGBOU VO “IRNITU”)
- Current Assignee: FEDERALNOYE GOSUDARSTVENNOYE BUDZHETNOYE OBRAZOVATELNOYE UCHREZHDENIE VYSSHEGO OBRAZOVANIYA “IRKUTSKI NATSIONALNY ISSLEDOVATELSKI TEHNICHESKI UNIVERSITET” (FGBOU VO “IRNITU”)
- Current Assignee Address: RU Irkutsk
- Agency: Collard & Roe, P.C.
- Priority: RU2012145289 20121024
- Main IPC: G01R31/14
- IPC: G01R31/14 ; G01R21/00 ; G01R31/08 ; G01R15/26

Abstract:
The claimed invention relates to the power industry and can be used for locating short circuits in power transmission lines by measuring the instantaneous current and voltage values when unsynchronized measurements are taken at both ends of the line. It is a technological object of the invention to improve the accuracy of damage location. The technical result of the invention is achieved by accurately synchronizing the current and voltage values measured at the ends of the line and unsynchronized in time on measurement. Synchronization is effected by aligning the oscillograms at both ends of the line with the short circuit start section.
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