I. NOMENCLATURE EPR Ethylene Propylene Rubber PD Partial Discharge PILC Paper Insulated, Lead Covered XLPE Cross-Linked Polyethylene URD Underground Residential Distribution
نویسندگان
چکیده
The reliability of a transmission and distribution system can be significantly improved by employing a predictive maintenance program. For such a program to succeed, the condition of the total system must first be established. This has been accomplished by applying a totally passive diagnostic technique that analyzes radio frequency (RF) pulses emitted by a cable system while it is energized in service. Analysis of this information is employed to estimate future performance of the cables, splices, terminations and other electrical equipment connected to the circuit. The Cable/Wise Diagnostic Tool developed by DTE Energy Technologies (DTECH) was utilized by Arizona Public Service on their transmission and distribution system. APS concluded that this method enabled a logical and cost-effective approach to be applied to their cable system replacement program. This paper describes the process, technology and end results.
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