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ABB AC 800M

ABB AC 800M
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Section 3 Installation Primary Network Configuration
9ARD000015-600 69
If the electric current determined in Step 2 in a given section exceeds the maximum
electric current capability according to the respective tables, then based on the
circumstances, execute one of the following:
If the electric current exceeds the maximum,
a. In one of the two sections, then execute one of the following actions:
Move the position of the supply along the overloaded section and
recalculate.
Move the power supply to push one of the nodes from the overloaded
section to the other section.
b. In both sections
use two power supplies.
Figure 25 shows an example of a single supply center-connected network, which
uses a thick cable trunk line with a overload.
Calculation method:
Section 1 = Section 2 = 400 ft.
Section 1 electric current = 1.1 A +1.25 A + 0.5 A = 2.85 A.
Figure 25. Single Supply Center Connected with Overload

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