Introduction
The constant availability of medium- and high-voltage electrical assets used in the generation, transmission and distribution is important for a reliable power supply at both utilities and also industrial plants. Partial discharge (PD) is considered to be one of the major contributors to the degradation and failure of insulation systems in electrical assets.
Because PD activity is often present well in advance of insulation failure, asset managers can assess it over time and make informed strategic decisions regarding the timely repair or replacement of the equipment before an unexpected outage occurs. PD detection is therefore essential to ensure the reliable, long-term operation of electrical equipment.
Although users consider PD detection and monitoring as beneficial for trending insulation conditions in electrical assets, the system installation and data analysis were often too complicated and time-consuming for the average user. In addition, users wanted a system that is more flexible for short-term and long-term use on multiple assets, rather than investing in multiple systems. That is why OMICRON decided to develop a portable, on-line PD measurement and monitoring system that is easier to install and use on various assets in the field.
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