Study Of Adsorbent Effectiveness On Reclaimed Transformer Oil

Aminur Hazieq, Zulkefli (2016) Study Of Adsorbent Effectiveness On Reclaimed Transformer Oil. Project Report. UTeM, Melaka,Malaysia. (Submitted)

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Abstract

Mineral oil is being widely used in oil-immersed power transformer for generation,transmission and distribution in electrical system network.It plays important role in a transformer as liquid insulation and coolant.To maintain a normal operation of a transformer,it is essential for insulating oil to has a good dielectric properties, excellent heat transfer and chemically stable under various range of application.Degradation of transformer oil due to ageing process can decrease the efficiency of transformer’s operation.High heat,oxidation and presence of moisture are the catalyst of the ageing process.Presently,aged transformer oil will be drained out from the long period service transformer.Then the transformer will be immersed with new mineral oil.These disposing and changing process of aged mineral oil are highly cost.In addition,the aged mineral oils can bring harmful to living life and ecosystem if disposed freely.Thus,this project’s aim is to study the effectiveness of adsorbent on aged transformer oil using fuller’s earth by reclamation technique.The method used for this reclamation process is by contact process.Then the mixed compound is filter using Whatman filter paper No.42 with the aid of vacuum pump.Results of Dissolved Decay Product (DDP),AC breakdown voltage and total acid number test and will be analyzed.These results will reveal the significant of applying adsorbent on aged transformer oil. From the results obtained,it shows that the relative amount of dissolved decay product has been removed by 25% after reclaimed.As the by-product being decreased,the breakdown voltage has achieved in increment by 50%.In the meantime, the effectiveness of fuller’s earth as adsorbent for reclamation process has enhanced of total acid number value by 83.7%.The achievement of these results has proved the effectiveness of fuller’s earth as adsorbent for reclamation process.

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