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ABB RELION REX640
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Example 3.
Iocos(φ) criterion selected, forward-type fault
=> FAULT_DIR = 1
Figure 265: Operating characteristic Iocos(φ) in forward fault
Example 4.
Iocos(φ) criterion selected, reverse-type fault
=> FAULT_DIR = 2
Figure 266: Operating characteristic Iocos(φ) in reverse fault
1MRS759142 F
Protection functions
REX640
Technical Manual
469

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