ABB REF615 Applications Manual page 145
Feeder protection and control
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Also See for REF615:
- Applications manual (404 pages) ,
- Operation manual (126 pages) ,
- Product manual (57 pages)
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1MRS756378 D
REF615
Application Manual
A070982 V1 EN
Figure 64:
Functionality of numerical multiple-stage overcurrent protection
The coordination plan is an effective tool to study the operation of time selective
operation characteristics. All the points mentioned earlier, required to define the
overcurrent protection parameters, can be expressed simultaneusly in a coordination
plan. In
Figure 65
the coordination plan shows an example of operation characteristics
in the LV-side incoming feeder and radial outgoing feeder.
Section 5
Protection functions
139
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