MEDIUM VOLTAGE APPARATUS IN METAL CASES () FOR SECONDARY POWER SUPPLY

The invention relates to medium voltage cells employed in the national system for secondary power supply. According to the invention, the medium voltage cells use a single multifunction vacuum switching apparatus with three positions (closed, open, grounded), with solid insulation, actuated by perma...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: VLASE SERGHIE, DUTA MARIAN
Format: Patent
Sprache:eng ; rum
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