CT Vk Requirement

[nightfox1925]

Gentlemen, for a REF protection CTs (both residually connected phase side and the neutral side), is the Vk requirement for the residually connected phase side based from external maximum fault current and for the neutral side based from the maximum neutral ground fault current?

 

[slavag]

Nightfox1925.
This information you can see at the manual of relay.
Please see attached thread.
thread238-204485
Hope it's help,
Best Regards.
Slava