ABB Relion SMU615 Technical Manual page 133
Substation merging unit
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Also See for Relion SMU615:
- Technical manual (272 pages) ,
- Applications manual (76 pages) ,
- Installation manual (68 pages)
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1MRS758407 B
SMU615
Technical Manual
A070968 V5 EN
Figure 87:
Constant test current flow in parallel trip contacts and trip circuit
supervision
In case of parallel trip contacts, the recommended way to do the wiring is that the TCS
test current flows through all wires and joints.
Section 5
Supervision functions
127
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