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7–12 / 103 articles
Technical article
Plan subsea-umbilical hydrostatic acceptance around the applicable ISO scope, component pressures, representative terminations and traceable test records.
Technical article
Why IEC 60502-2 does not cover mining cables, what 1.73 U0 and the declared sensitivity mean, and why factory and site PD results differ.
Technical article
What type, routine and sample tests prove for mining cables, what a buyer can ask to witness and document at the factory, and how regulators expect repaired cables to be tested.
Technical article
How medium-voltage reeling cables feed tunnel boring machines, what earth, control and monitoring cores do, and what German, Austrian, US and New South Wales rules and guidance say about installing and protecting them.
Technical article
How variable frequency drive output cables differ from ordinary mine power cables, why drives can blind earth-fault protection, and what mining rules and research say about choosing and installing them.
Technical article
How bucket-wheel excavators, spreaders and stacker-reclaimers take medium-voltage power through reeling cables, how drum type and layers change the cable choice, and what mining rules ask.
