Does anyone know a good resource for ground fault protection coordinaiton specifically on resistance grounded system. I am looking at a resistance grounded 4.16kV secondary limited to 400A and wanted to understand the best way to coordinate ground fault protection devices between secondary main and feeder breakers.
The secondary 4.16kV side has a CT on the transformer neutral bushing. The secondary of the transformer feeds an MV switchgear lineup with a main and feeder breakers. Should I simply set the feeder ground fault protection under the ground fault protection that is on the neutral of the transformer that trips the main breaker?
The secondary 4.16kV side has a CT on the transformer neutral bushing. The secondary of the transformer feeds an MV switchgear lineup with a main and feeder breakers. Should I simply set the feeder ground fault protection under the ground fault protection that is on the neutral of the transformer that trips the main breaker?