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Intelligent Compact Substations for a Smarter Grid

Author

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  • Bernd Schüpferling

    (Product Lifecycle Manager Secondary Equipment Innovation, Energy Management Division, Siemens AG)

Abstract

Higher utilization of the power systems, variable load flows due to decentralized power generation from renewable energy sources and a growing need for information of the regulating authorities place higher demands on fault detection and acquisition of system operating data. Furthermore, remote indication and remote control can considerably reduce supply interruption times as well as system breakdown costs, and provide rapid adjustment to varying load conditions. Therefore, the requirements for the intelligence of transformer substations will increase in the future. With the gas-insulated medium-voltage switchgear type 8DJH, 8DJH 36 or 8DJH Compact, Siemens offers the basis for application in an intelligent compact substation. It is optionally equipped with motorised operating mechanism; intelligent short-circuit indicators with voltage and current measuring, as well as a Remote Terminal Unit (RTU) in a separated wall-mounting cabinet or as an integral part of the switchgear. This article provides an overview on different intelligence levels, possible kinds of communication to the telecontrol system as well as necessary components and requirements of intelligent compact substations for a smarter grid.

Suggested Citation

  • Bernd Schüpferling, 2015. "Intelligent Compact Substations for a Smarter Grid," Energy & Environment, , vol. 26(1-2), pages 53-65, January.
    • Handle: RePEc:sae:engenv:v:26:y:2015:i:1-2:p:53-65
    DOI: 10.1260/0958-305X.26.1-2.53
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