Determination of threshold and maximum operating electric stresses for selected high-voltage insulations. Progress report No. 1, September 1, 1980-May 30, 1981

Technical Report · Thu Jan 01 04:00:00 EST 1981

OSTI ID:6332973

Sosnowski, M; Katz, C

Based on the successful completion of an extensive research project to develop a new method for the determination of threshold voltages in XLPE and EPR insulated cables, tests were initiated to establish the maximum safe operating electric stresses of crosslinked polyethylene insulated cables having contaminants in the insulation. The present report covers the preliminary use of a range of sizes and levels of contaminants in the insulation to obtain cables with a range of dielectric breakdown strengths. Based on the preliminary results a selection was made to achieve cables with the range of breakdown strength required for the study. After the selection was completed two sizes of contaminants were selected to manufacture cables with medium and low breakdown strength. High breakdown strength was achieved by using cables without contaminants in the insulation. Using the newly manufactured cables (after subjecting to a thermal treatment) and a test method developed during the previous research project numerous tests were performed and the threshold voltage level of the three cables was determined at room temperature.

• Research Organization: Cable Technology Labs., Inc., New Brunswick, NJ (USA)
• DOE Contract Number: AC02-80RA50156
• OSTI ID: 6332973
• Report Number(s): DOE/RA/50156-2; CTL-81-009; ON: DE81025967
• Country of Publication: United States
• Language: English

Related Subjects

200301* -- Power Transmission & Distribution-- AC Systems
EHV & UHV-- (-1989)
24 POWER TRANSMISSION AND DISTRIBUTION
AC SYSTEMS
BREAKDOWN
CABLES
CONDUCTOR DEVICES
DATA
DIELECTRIC PROPERTIES
ELECTRIC CABLES
ELECTRICAL EQUIPMENT
ELECTRICAL INSULATION
ELECTRICAL PROPERTIES
ENERGY SYSTEMS
EQUIPMENT
EXPERIMENTAL DATA
HVAC SYSTEMS
INFORMATION
NUMERICAL DATA
ORGANIC COMPOUNDS
ORGANIC POLYMERS
PERFORMANCE TESTING
PHYSICAL PROPERTIES
POLYETHYLENES
POLYMERS
POLYOLEFINS
POWER SYSTEMS
TESTING