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What is High Voltage DC Testing Guidelines about?

This document discusses high voltage testing of insulated cables, including: 1) DC testing was discontinued for plastic insulation cables due to aging effects, but is still used for medium voltage cables. DC testing can identify defects better than AC testing. 2) Field testing is recommended to check for mechanical damage or installation issues, using 80% of the factory test voltage. 3) Factors like temperature, humidity, and connected equipment can impact leakage currents and make comparisons difficul

Author

alberto

Language

EN