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How to connect the component for Ground Fault Detection in case multi-source, one grounding MTZ, NW ACB 3 Pole
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According to Ground Fault Protection Low voltage expert guides n° 2 https://download.schneider-electric.com/files?p_enDocType=Technical+leaflet&p_File_Name=DBTP140GUI_E...
I would like to install ground fault detection for our system to comply with 4.1.1.2 Study 2 Diagram 2.
Ground fault detected by using 2 Source Ground Return (SGR) for 2 source , one ground connection. PEN.
Power system configuration is 3 phase 4 wires. ACB 3 poles MTZ, NW PEN.
There are three ACBs which are ACB incoming#1, ACB incoming#2 and ACB bus-tie.
Our interested component is
Micrologic 6.0E
ZCT = LV833579SP
MDGF = LV848891SP
in this document, there is the recommended wiring diagram for case only 1 source vs 1 SGR.
No recommended wiring for 2 source vs 2 SGR. 4.1.1.2 Study 2 Diagram 2
I need help to recommend how to connect ZCT, MDGF and ACB status contact diagram to achieve 4.1.1.2 Study2 Diagram2.
I attach 2 solutions for your consider. however, if both are wrong, please suggest me. Thank you
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