Group: SIEMENS
Catalog excerpts
Gas-insulated Instrument Transformers for outdoor Installation
Open the catalog to page 1Gas-insulated Instrument Transformers for outdoor Installation Trench Germany — the former MWB, founded in 1946 — is a recognized word-wide leader in the design and manufacture of high voltage equipment for electrical and industrial systems. In its long history — while utilizing several insulation mediums, e. g. epoxy resin, traditional oil-paper-insulation — the company decided to focus on SF6-gas as an insulation medium for its complete production range. Due to the good experience with SF6-gas as an insulation medium — Trench Germany being the first supplier of SF6-voltage transformers...
Open the catalog to page 2Features • explosion-proof design by the compressible insulation medium SF6-gas and rupture disc • no ageing of the insulation system and minimum risk of failure • insulation medium SF6: non-toxic / inert / non-flammable • gas monitoring by a densimeter • guaranteed SF6-leakage rate of less than 1% per year • transformer operates at rated voltage, even in the case of loss of SF6-pressure • resource-saving due to ecologically beneficial insulation system and ideal recycling features • optimum field grading is accomplished by a fine condenser grading system especially developed for this...
Open the catalog to page 3Current Transformers Type SAS 1 2 Voltage Transformers Type SVS 3 4 5 • head type design 6 • available for the full voltage range 72.5 kV up to 800 kV and full current range 100 A up to 4800 A • wide range ferroresonance free design without the use of an external damping device (please ask for details) • low reactance bar type primary providing optimal short-circuit performance • essentially unaffected by external stray magnetic fields • multiple-turn primaries for small primary currents 7 • uniformly distributed secondary windings guarantee accurate transformation at both rated and high...
Open the catalog to page 41 2 Combined Transformers Type SVAS 1 2 3 3 4 4 5 • low weight and compact SF6-design 5 6 • the single-section high voltage coil (not cascaded) of the voltage transformer section enables a product range for combined instrument transformers up to 800 kV 7 8 • head type design with voltage transformer section located on top of the current transformer 6 7 8 9 • wide range ferroresonance free design without the use of an external damping device (please ask for details) 9 10 • low reactance type primary conductor allows for high shortcircuit currents and covers all core standards 11 • less...
Open the catalog to page 5Trench Austria GmbH Paschinger Strasse 49, Postfach 13 A-4060 Linz-Leonding/Austria Phone +43.732.6793-0 Fax +43.732.6713 41 E-Mail sales@TrenchAustria.at Trench Brasil LTDA Via Expressa de Contagem, 2685 CEP: 32370-485 Cpmtagem, MG - Brasil Phone 55. 31. 391-5959 Fax 55. 31. 391-1828 E-Mail trenchbrasil@ca.trenchgroup.com Trench Limited Coil Product Division 71 Maybrook Drive, Scarborough Ontario, Canada M1V 4B6 Phone (416) 298-8108 Fax (416) 298-2209 E-Mail sales@ca.trenchgroup.com Trench Limited Instrument Transformer Division 390 Midwest Road, Scarborough Ontario, Canada M1P 3B5 Phone...
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