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Transient overvoltages

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  • This research investigates the relationship between post fault transient overvoltages and the functionality of the digital distance protection. The study is conducted in a 66kV network with a neutral earth resistor as method to earth the power system. This paper begins by performing an extensive power system analysis on ground fault transient overvoltages. The study is conducted by using the PSCAD-EMTC software package.

    pdf180p runthenight07 01-03-2023 10 3   Download

  • This product complies with the requirements of the following European Community Directives: 89/336/EC (Electromagnetic Compatibility) and 73/23/EC (Low Voltage) as amended by 93/68/EC (CE-Marking). Overvoltage category III 1000V; pollution degree 2. CAT I: For signal level, telecommunication, electronic with small transient over voltage CAT II: For local level, appliances, main wall outlets, portable equipment CAT III: Distribution level, fixed installation, with smaller transient overvoltages than CAT IV....

    doc5p hungktdt 10-12-2010 98 7   Download

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