20250702 HV V1

Operations training

High Voltage Standard / V1 02072025

The aim of this lesson is to provide participants with the skills to conduct a high-quality inspection of the HV cable breakout, and to recognise and report problem or issues.

After having successfully completed this lesson, the participants can:

18) Take responsibility to report any problems identified during breakout inspection (Ability, intermediate level)

19) Explain the key points in a breakout inspection and signs of problems to look out for (Knowledge, intermediate level)

20) Distinguish breakouts in proper and improper conditions for proceeding with the cable pull (Skills, intermediate level)

ELEMENT 3.1 - BREAKOUT INSPECTION KEY POINTS

Learning objectives:

21) Explain the key points in a breakout inspection and signs of problems to look out for (Knowledge, intermediate level)

The instructor shall:

Demonstrate the key points in a HV cable breakout inspection, explaining the purpose and importance of every check:

a. correct measurements of breakout (vary up to 2cm)

b.

damage on heat shrink including 4-finger

c.

damage on heat shrink on conductor

d. check that heat shrink doesn’t interfere with T-connector

e.

cuts or pressure marks on the stress cone

f.

cuts or pressure marks on the insulation core

g.

cut marks or damages on bare conductor

h.

z-measurement

i.

mastic tape - purpose and correct application

Global Wind Organisation / www.globalwindsafety.org

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