España 2020/21 Secado de aceite de transformador y papel

Escenario 3 transformadores monofásicos instalados en una central termoeléctrica en el sur de España   Características técnicas del transformador: Fabricante: xxx Año: 1977 Potencia [MVA]: 216 Tensión [KV]: 220/22 Masa de aceite [Kg]: 15.650 cada uno Problema Los análisis periódicos del aceite mostraban una condición de hidratación del aislamiento celulósico. El contenido estimado de agua en los aislantes sólidos estaba
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Nuestras oficinas Sea Marconi Technologies s.a.s. Via Ungheria 20 10093 Collegno (Torino), Italia Tel : +39 011 234.34.34 Fax: +39 011 234.34.35 eMail: info@seamarconi.it pec: seamarconi@pec.it Sea Marconi Envirotech Italia S.r.l. via De Actis contrada Temerano 73050 Seclì (Lecce), Italia Tel: +39 0836 61.02.70 Fax: +39 0836 61.92.66 eMail: info@seamarconi.it pec: seamarconi.envirotech@pec.it Sea Marconi Energia y Medio Ambiente s.l. Poligono Ind. El
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Llenado de un transformador bajo vacío y tratamiento posterior del aceite Bélgica 2014

Situation A global leader in the energy sector Technical specifications of transformer: Manufacturer: xxx Year: 2013 (new) Power [MVA]: 185 Voltage [kV]: 380/150 Oil mass [kg]: 50.940 Problem Transformer empty following transport to destination site. Solution Estratto del rapporto di prova con esiti analitici dell’olio a fine intervento Sea Marconi implemented the following measures: Filling the transformer under vacuum and
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Rellenando un transformador bajo vacío y tratamiento posterior del aceite Francia 2013

Situation Twin transformers installed in a quarry: Manufacturer: xxx Year: 1980 Power [MVA]: 250 Voltage [kV]: 400 Oil mass [kg]: 41,000 Problem Following a problem associated with excessive gas formation diagnosed by another supplier, the latter asked Sea Marconi to drain the oil, keep the transformers under vacuum for a specified period, then refill them with oil and carry out
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Preenchendo e desidratando o óleo do transformador França 2012 água nos papéis

Situation A global leader in the energy and infrastructure sector Technical specifications of transformer: Manufacturer: xxx Year: 2012 (new) Power [MVA]: 80 Voltage [kV]: 227/21/21 Oil mass [kg]: 26.700 Problem Following an initial request to fill the new transformer, when the Sea Marconi technicians arrived they noticed there was free water inside the transformer. This was due to the transformer
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Tratamiento físico del aceite en condiciones logísticas extremas Italia 2015

Escenario Compañía de producción hidroeléctrica. El transformador se encuentra en las cimas del Adamello (Lombardía). Problema Dificultades logísticas extremas relacionadas con el acceso al sitio operativo: presencia de más de un metro de nieve, pendiente elevada y altitud de la vía de acceso. El helicóptero es el único medio adecuado para transportar los equipos de tratamiento de aceite, lo que
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Suecia 2012 PCB en aceite y transformador

Scenario Primary alluminiun factory: 8 Rectifier Transformers (Sweden) Nameplate data of transformers: Manufact: xxx Year: 1930 Power [MVA]: 19 Voltage [KV]: 13 Oil Mass [Kg]: 15.000 Oil type: mineral blended Solution Selective depolarization treatment (Chedcos) in order to remove the DBDS + dehalogenation treatment (CDP Process) in orderr to remove the PCBs both from oil and transformers. The treatments were performed on-site, on-line and on-load (transformer in servise and
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PCBs y corrosión C2 y C4, logística extrema – Francia 2013

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”. Nameplate
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Eliminación de PCBs y protección ambiental – Francia 2012

Scenario Nameplate data of transformer: Trasformatore: grid transformer Manufact: xxx Year: 1970 Power [MVA]: 70 Voltage [KV]: 225 Oil mass [Kg]: 38.000 Solution Sea Marconi Dealogenazione (CDP Process®) treatment in order to remove the PCBs, performed on-load (this means that the transformer is in service and under load during the treatment) Trend of PCBs and chlorine content during the dehalogenation treatment (CDP Process)
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Eliminación de PCBs y protección ambiental – Francia 2008

Scenario Nameplate data of transformer: Transformer: GSU transformer Manufact: xxx Year: 1974 Power [MVA]: 760 Voltage [KV]: 400 Oil mass [Kg]: 55.000 Problem See analytical results of the oil before treatment (table below) Soluzione Sea Marconi Solution: Dehalogenation treatment (CDP Process®) in order to remove the PCBs from the oil and transformer. Before treatment After treatment TAN [mg KOH/g] 0,029 < 0,010 Breakdown
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