Example: high voltage tests

High voltage tests

In order to test the lightening shock resistance of the high voltage transmission materials, high voltage tests are done, by following the existing norms defining the shock wave characteristics.

The electric field values in the insulators are analyzed to check that it is lower than the material dielectric strength.

Test on junction block

For example, it is now possible in Flux transient electric application, to study a high voltage shock test on a junction block.

Applied shock wave (maximum value at 370kV):

Electric field distribution in the device for the maximum shock value: