Advanced Diagnostics and Life Estimation of Extruded Dielectric Cable: Nonproprietary Results Related to Cross-Linked Polyethylene and Ethylene Propylene Rubber Insulated Shielded Cables
Technical Report
·
OSTI ID:878894
- Electric Power Research Institute
This report describes research on accelerated aging and diagnostic testing of cross-linked polyethylene (XLPE) insulation and an earlier test program on ethylene propylene rubber (EPR) cables. The XLPE research subjected cable specimens to accelerated cable life tests (ACLTs) and assessed the specimens with six nondestructive electrical tests and two destructive tests. The EPR program subjected EPR insulation to a similar accelerated aging protocol but focused on breakdown voltage to assess aging. Objectives ? To correlate advanced diagnostic test data with time-to-failure data as a means of determining the value of each diagnostic test for cable condition assessment and future life predictions (XLPE program) ? To perform accelerated aging tests of EPR insulated cables under various controlled conditions of temperature and voltage stress in a wet environment (EPR program) ? To ascertain the relative influence of temperature and voltage stress on aging (EPR program)
- Research Organization:
- Electric Power Research Institute
- Sponsoring Organization:
- USDOE - Office of Nuclear Energy, Science and Technology (NE)
- DOE Contract Number:
- FC07-03ID14536
- OSTI ID:
- 878894
- Report Number(s):
- 1013085
- Country of Publication:
- United States
- Language:
- English
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