Tag: DBDS

Scenario Company involved in production of primary aluminum with 8 rectifiers transformers Nameplate data of the transformers: Transformer: rectifier, ODAF with membrane Manufacturer: xxx Year: 1998 Power [MVA]: 93,4 Voltage [KV]: 66 Oil mass [Kg]: 27.200 Oil type: naphthenic Step 1 First failure with discharges of high energy (D2) Step 2 Post failure analysis, oil fingerprint with identification ant quantification ofEn savoir plus

Scenario Company in the chemical business, 4 GSU transformer Nameplate data of the transformer: Manufacturer: xxx Year: 2000 Power [MVA]: 47 Voltage [KV]: 34 Oil mass [Kg]: 12.000 Oil type: naftenico Solution Solution: Selective depolarization treatment (Chedcos) performed on-ste and on-load (transformer in service e fully load during the treatment). The treatment has guaranteed DBDS < 10 mg/kg. Before treatment After treatment DBDS [mg/Kg] 125En savoir plus

Scenario Primary substation with 3 Grid transformer and 2 shunt reactors Nameplate data of the transformer: Manufact: xxx Year: 1998 Power [MVA]: 250 Voltage [KV]: 345 Oil mass [Kg]: 118.000 Oil type: naphthenic Analitical and diagnostic results The analysis and subsequent diagnosis performed by Sea Marconi on the machines of the customer showed a clear presence of DBDS Profilo di distillazioneEn savoir plus

Scenario 4 GSU transformer at thermal power plant Nameplate data of the transformers: Manufacturer: xxx Year: 1997 Power [MVA]: 192 Voltage [KV]: 400 Oil mass [Kg]: 58.000 Oil type: naphthenic May 2005 The analysis and subsequent diagnosis performed by Sea Marconi on the equipment of the customer showed: Index of corrosiveness =1 (max level) ASTM b 48H= 4C Overall Health index: 0.52En savoir plus

Scenario Company involved in energy transmission (36 transformers) Nameplate data of transformers: Power max [MVA]: 528 Voltage max [KV]: 400 Oil mass [Kg]: 96.900 each DBDS max [mg/Kg]: 185 DBDS target [mg/Kg]: <5 2009-2013 Solution: Selective depolarization treatments by Sea Marconi in order to remove corrosive sulfur compounds from the oils.

Sea Marconi Latinoamericana S.A. nait en 2004 pour fournir services de core business et supporter au mieux les nombreux clients du marché argentin, dont certains primaires utilities et importants groupes industriels comme Exxon, Siderca, Groupe Tenaris, etc. Dès la fondation de la société latino-américaine Sea Marconi s’est engagée à destiner en permanence pour ce marché un équipement de traitement huiles etEn savoir plus

Scenario Brazilian energy transmission network of TSN e Novatrans with 76 electrical equipment filled with insulating fluids. Sistema di trasmissione Brasile TSN Lines 1181 km Substations 6 Total reactors 40 Reactors with corrosive sulfur 37 (92,5%) Total failed reactors 15 (37,5%) Novatrans Lines 1278 km Substations 6 Total reactors 36 Reactors with corrosive sulfur 13 (36,11%) Total failed reactors (-) 2005 Discovery of DBDS. Sea Marconi, first in theEn savoir plus

La Le semaine 10, en particulier le 6 Mars, le séminaire du titre “Seminar on Best Solutions for the Problem of Corrosive Sulfur (DBDS) on Electrical Transformers”, organisé par Sea Marconi et Teyseer Motor, a eu lieu à Doha (Capitale du Qatar). L’évent a porté aux participants une majeure connaissance et conscience du problème soufre corrosif et, surtout, sur les contremesures possibles. CetteEn savoir plus

17-19 Octobre 2011, Stockholm. M. Vander Tumiatti participe comme intervenant à l’Euro Doble Colloquium 2011 comme expert de la thématique du Soufre Corrosif. L’évent qui a eu lieu à Stockholm est un forum pour partager les meilleures pratiques opérationnelles dans la gestion des Centrales Électriques et des Sites Industriels. L’invitation à Sea Marconi a remarqué le rôle de très élevéeEn savoir plus