Technical article: Omicron looks at useful tools for substation commissioning
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‘Useful tools for substation commissioning’
This technical article from Omicron focuses on useful tools for substation commissioning, including the CMC 256 secondary test set and Test Universe 2.0 software. The use of the latest testing technology ensures the safe and reliable operation of power system equipment by comprehensive testing of all technical functions prior to the regular operation in the shortest time possible.
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It has been recognised in every country that economic growth is heavily dependent upon the reliable delivery of electricity to the customer, whether that is a bulk industrial, commercial or residential customer. Further, efficiently using every source of generation including ‘green’ sources has become a mandate of many countries. This white paper from Omicron discusses the developments in the field of medium-voltage distribution equipment and the implementation of new technologies that ...
Dielectric response analysis is an advanced technique, providing information about the insulation condition of the measured test object. It is typically used for power transformers, where the water content in the solid cellulosic insulation can be assessed. The condition assessment of the insulation system of instrument transformers has not played an important role until now as typical measurement methods that might be used for power transformers are not applicable here. This paper ...
Power transformers are important nodes in the electrical power grid. The reliability of such electrical systems depends on the quality and availability of the power apparatus. Common reasons for breakdowns are problems in the insulation system. Detecting partial discharge (PD) in the insulation and windings of a power transformer at an early stage reduces the risk of a total breakdown of power apparatus. This white paper from Omicron Electronics discusses this further.
This paper from Omicron introduces a new approach of using the dielectric response analysis for monitoring the drying process of power transformers.
Saturated CT cores and their behaviour during fault conditions have been and still are an important topic for protection engineers, in particular when fault currents with transient components occur. Typically, the CT cores contain some residual magnetism when the current flow is interrupted. Especially at reclosing, this residual magnetism may cause undesired effects. In this context, the question ‘How will the magnetisation in the CT develop when power is restored and the CT is exposed ...