Detecting early signs of deterioration It is possible to provide transformers with measuring devices to detect early signs of degradation in various components and provide warning to the operator in order to avoid a lengthy and expensive outage due to failure. The technique, which can be applied to other plant as well as transformers, is …
Transformer Routine Dielectric (Insulation) Test
Insulation tests to be performed The following insulation tests are performed in order to meet the transformer insulation strength expectations. Unless otherwise requested by the customer, the following test are performed in the following order (IEC 60076-3) : 1. Switching impulse test: To confirm the insulation of the transformer terminals and windings to the earthed parts and …
Are you concerned about your privacy in Smart Grid?
Modernization of the grid will increase the level of personal information detail available as well as the instances of collection, use and disclosure of personal information. Instead of measuring energy use at the end of each billing period, smart meters will provide this information at much shorter intervals. Even if electricity use is not recorded …
Erection Procedure for Power Transformer
This technical article deals with transformers and their installation so we restrict ourselves here to the procedures associated with their commissioning. Transformers should be inspected for internal or external damage, particularly if they have been dropped or tipped over. This should include such items as: Drain valves, selector switches, Conservator tanks, Buchholz relays and Winding temperature indicators. All …