Tag: corrosive sulphur

The 6th “Seminario de Tecnología y Diagnóstico de Transformadores y Fluidos Aislantes” in Monterrey in Mexico has just come to an end, involving the participation of speakers from Sea Marconi. The event was organised by Weidmann and Prolec (General Electric) for all operators involved in the selection, purchase and management of electric transformers with insulating fluid. Over the three days, many themes were dealtRead more

Sea Marconi recently performed an expert activity for the most important utility in Hong Kong. The service involved an analysis and diagnosis campaign on a large fleet of transformers and shunt reactors, for the purpose of verifying the presence of corrosive sulphur by DBDS (C1). The results of this activity allowed us to model the operating conditions of the Client’s machines and subsequentlyRead more

The partnership between Sea Marconi and local partner “Energy Solution SA DE CV“, a subsidiary of the NIETO group and an important player in the Mexican Oil & Gas sector, is enjoying great success. In 2014, the Sea Marconi process for the treatment of oils and transformers contaminated by PCBs, was successfully validated. The activity was performed in Torreón onRead more

Recalling Sea Marconi’s most important activities in 2014, we don’t want to exclude the delivery of an oil treatment system, model DMU 100 5000 24C, to TAESA, an important Brazilian utility. We are extremely proud of this order, because TAESA already purchased one of our systems in 2009 (read article). Given their high level of satisfaction, in terms of both theRead more

L’eco The echo generated by the depolarisation from corrosive sulfur carried out last year on 5 transformers (170 tons of oil) at the Urrà power station is arousing considerable interest amongst owners of fleets of electric machines in Colombia. It is not by chance that major projects (e.g. Cali, Medellin, Bogotà) are taking life with the main public and private companies andRead more

Scenario Hydro Power Plant The transformer is located near a river dam with extreme logistical and environmental constraints. The option of changing the oil was discarded immediately because of the enormous difficulties in handling (see. Photo) around the transformer. At the same time the fuller earth techniques would not solve the functional criticalities of the system “oil – transformer”. NameplateRead more

Among the interesting outlooks at the end of 2013 there is the acquisition of an important order issued by the Brazilian TAESA, one of the largest groups for the transmission of electric power in Brazil. The subject of the sale is a containerised mobile unit (DMU) capable of performing an integrated treatment of the oil and transformers contaminated by corrosive sulfur, with a flowRead more

Among the “crown jewels” interventions of 2013, the selective depolarisation to remove the DBDS and polar compounds on 5 transformers must indeed be mentioned. In particular, the activity took place on 4 transformers and a rectifier (for a total of 170 tons of oil) operating at the Urrà, hydroelectric power station North-Western Colombia (read the article relative to the operation start). The said powerRead more

In the city of Salto (Uruguay) on 10, 11 and 12 November 2013 the International Power Transformer Workshop organised by CUGRE (Comite Uruguayo De Grandes Redes Electrica), the Uruguayan CIGRE took place. Sea Marconi has been invited to the event as international expert on the phenomena of degradation of the insulating liquids, on the topic of corrosion in general and in particular on the type C3Read more

Quite shortly, the activities for the selective depolarisation from corrosive sulfur (on-load and off-load) on 4 step-up transformers and a rectifier at the hydroelectric power station Urrà in Northern Colombia, department of Còrdoba. The hydroelectric production company Urrà chose the selective depolarisation by Sea Marconi after the failures occurred after passivation. Once again passivation showed to be a ruinous response to the problem of corrosivity ofRead more