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- VLF_cable_testing abstract "VLF cable testing is a technique for testing of medium voltage cables. The VLF test can be used in two ways: Apply VLF to measure insulation losses (i.e. the insulation dissipation factor or Tan-delta) at different VLF frequencies that are typically in the range of 0.01 to 0.1 Hz. In this case, the IEEE Std. 400.2 establishes the criteria for assessment. Accessories for partial discharge testing is also available from several VLF test set manufacturers. Apply VLF as proof testing the detect faults in the cable system insulation. The tested cable must withstand a VLF (Very low frequency) AC voltage for a specified testing time without flashover. This method yields a "Go/No Go" statement. VLF cable testing uses AC sine wave voltages in a frequency range of 0.01 Hz to 0.1 Hz, where frequency selection depends on the load of the cable. Voltage levels are a multiple of the cable's nominal voltage. They are in the range of 1.5 U0 to 3 U0. The VLF cable testing time varies from 15 to 60 minutes and can be considered as short and economical, the IEEE Std. 400.2 establishes the criteria for assessment.In the past DC voltages were used for cable testing, which sometimes was actually damaging to the cable insulation.".
- VLF_cable_testing wikiPageExternalLink 400-2001.html.
- VLF_cable_testing wikiPageExternalLink 400.2-2004.html.
- VLF_cable_testing wikiPageExternalLink CDFI_Phase_1_Final-Report.pdf.
- VLF_cable_testing wikiPageExternalLink CIGRE_2010_B1-303.pdf.
- VLF_cable_testing wikiPageExternalLink JJicable11_0009_final.pdf.
- VLF_cable_testing wikiPageID "31608627".
- VLF_cable_testing wikiPageRevisionID "595263423".
- VLF_cable_testing hasPhotoCollection VLF_cable_testing.
- VLF_cable_testing subject Category:Electronic_test_equipment.
- VLF_cable_testing subject Category:Power_cables.
- VLF_cable_testing comment "VLF cable testing is a technique for testing of medium voltage cables. The VLF test can be used in two ways: Apply VLF to measure insulation losses (i.e. the insulation dissipation factor or Tan-delta) at different VLF frequencies that are typically in the range of 0.01 to 0.1 Hz. In this case, the IEEE Std. 400.2 establishes the criteria for assessment. Accessories for partial discharge testing is also available from several VLF test set manufacturers.".
- VLF_cable_testing label "VLF cable testing".
- VLF_cable_testing sameAs m.0gmbv8x.
- VLF_cable_testing sameAs Q7907154.
- VLF_cable_testing sameAs Q7907154.
- VLF_cable_testing wasDerivedFrom VLF_cable_testing?oldid=595263423.
- VLF_cable_testing isPrimaryTopicOf VLF_cable_testing.