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Six Factors Affecting Power Cable Life

Nov. 21, 2018

Electricity consumption is closely related to our life. The production of all walks of life is inseparable from electricity. The electricity cannot be separated from the Power Cable. The service life of the cable directly affects the safe production. The cable life is determined by the oxidation induction period of the jacket material. The cable design is generally used for 30 years, and the actual life is much larger than this value.

The most direct cause of cable aging failure is insulation and breakdown damage. There are many factors that cause cable insulation to decrease. The following situations are summarized based on actual operational experience.

1. external damage

From the operational analysis in recent years, especially in the rapid development of today's economy, quite a number of Insulated Power Cable failures are caused by mechanical damage.

2. chemical corrosion

The direct burial of the cable in the acid-base region often leads to corrosion of the Aluminium Sheath Cable, lead or outer sheath, and the protective layer fails due to long-term chemical corrosion or electrolytic corrosion, and the insulation may also cause cable failure.

3. Long-term overload operation

4. Cable connector failure

5. Environment and temperature

The external environment and heat source where the cable is located can also cause overheating of the cable, damage to the insulation, and even explosion and fire.

6. The High Voltage Power Cable body is aging normally or for other reasons such as natural disasters.

Power Cable

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