Performing Selective Coordination
How to perform selective coordination.
Start in the SELECTIVE COORDINATION drafting view.
Set Breaker Curves for Transformer T1 and Panel L​
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Run the
ElectroBIM Design→ Panel Edit command. If prompted to select a distribution equipment to edit, press ESC. The Panel Edit dialog box will open. -
Select transformer T1 from the list.
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Beside OCP Trip ▾, press the button. The OCP Device Settings dialog box will open.
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Make the following changes:
- Set Manufacturer ☰ to GE.
- Set Group ☰ to Insulated Case Circuit Breaker > Type SH > MicroVersaTrip PM > 800A Frame.
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Press the button to close the dialog box.
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Select panel L from the list and, beside OCP Trip ▾, press the button. The OCP Device Settings dialog box will open.
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Make the following changes:
- Set Manufacturer ☰ to Square D.
- Set Group ▾ to Low Voltage Power Circuit Breakers > MasterPact NW > MicroLogic 2.0.
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Press the button to close the dialog box.
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Press the button to close the dialog box.
Create the Selective Coordination Graph​
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Run the
ElectroBIM Design→ Graph Insert command. The Insert Selective Coordination Graph dialog box will open. -
Press the button. The Select Distribution Equipment dialog box will open.
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Select transformer T1 from the list and press the button to close the dialog box.
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Repeat steps 2-3 for panel L.
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Press the button to close the dialog box.
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Follow the prompts to insert the graph on the drafting view.
Modify the Breaker Curve​
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Run the
ElectroBIM Design→ Curve Edit command. -
On the graph, select the curve or label for transformer T1.The OCP Device Settings dialog box will open.
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Make the following changes:
- Set Short-time Pickup ☰ to 2.
- Set I² T ☰ to Out.
- Set Instantaneous Pickup ☰ to 2.
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Press the button to close the dialog box.
The graph will update to reflect the changes.