Locator of Lightning Strike on Power Transmission Lines Using

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					               Locator of Lightning Strike on Power Transmission Lines
                         Using Polarization Change Detection

                             1.
                                                             2.2.



                                  97                           OPGW                                Optical Ground Wire
           98       8                                                                            OPGW
                                                2



                                                                                                           OPGW
                        2.                                                                                OPGW
                                                                                OPGW
                                                                                          2
                                                             2.3.
2.1.

                                                                    3                  OPGW



                1




                                                                                              OPGW




                                                                            3
                                                                                Observation of polarization
           1
                Polarization in optical fiber



            OPGW
                                                                                           t




 2     OPGW
       Lightning current flowing on OPGW surface and                    4
       induced magnetic field                                               Waveform of polarization change

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11   7                                                                                                 104




                                  OPGW




                                                                            HDD
                                           HDD




                              5
                                  Schematic diagram of locator system

                                                                                                        4
                                                       2

                                                                        3.
                                                           5




                                                                OPGW
                                                                                  OPGW




                                                                                   OPGW




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         Appearance of locator equipment
                                                           TEL: 0463-24-8502       FAX: 0463-24-8491




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