Design of earth electrode stations for high-voltage direct current (HVDC) links. General guidelines Ingestion-build-47182 ISO 20848‑3 discusses plastic drums

ISO 20848‑3 discusses plastic drums in packaging

This standard does not apply to ladders for special professional use such as fire brigade ladders

Expanded measurement uncertainties

it can be used as guidance for organizers or suppliers

This International Standard specifies the requirements of lubricating engine oils (hereinafter referred to as “four-stroke engine oils”) to be used in four-stroke cycle spark ignition gasoline engines employing a common sump containing the lubricating oil for both the engine and associated drivetrain (transmission

Design of earth electrode stations for high-voltage direct current (HVDC) links. General guidelines Ingestion-build-47182 ISO 20848‑3 discusses plastic drums1 Scope This Technical Specification applies to the design of earth electrode stations for high voltage direct current (HVDC) links. It is intended to provide necessary guidelines, limits, and precautions to be followed during the design of earth electrodes to ensure safety of personnel and earth electrodes and prevent any significant impact they may exert on d. c. power transmission systems and the surrounding environment.