Hitachi Energy has advanced its pioneering digital substation technology with the all-new SAM600 3.0, a process interface unit built to help transmission utilities accelerate the adoption of digital substations. The one-box, modular SAM600 consolidates three units within a single device, enabling it to be configured as a merging unit, a switchgear control unit or a combination of both, supporting different installation approaches. As a merging unit, SAM600 speeds up the upgradation of conventional substations to digital substations. It bridges the gap by converting analogue signals and digitally distributing current and voltage information throughout the substation and to the control centre. As a switchgear control unit, the device directly interfaces with circuit breakers, disconnectors and earthing switches in the field to reduce wiring to the control building by providing an IEC 61850 digital interface for the operations and monitoring of such equipment.
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