HV laboratories are often required to test new installations for electrical grids or newly designed hardware to qualify them for their intended use. These tests involve elevating tension, spraying with salty solutions, changing the ambient conditions of the testing environment etc, in order to investigate the response to extreme conditions.
Corona cameras which are non-destructive and non-intrusive are included in the set of these tests. The cameras provide visual evidence that can be included in reports, they display consequences in real time, they are safe to use and under laboratory testing conditions provide quantitative data of PD. Installations that are tested by corona cameras are left intact and ready to be used by other testing technologies.