4–224 845 TRANSFORMER PROTECTION SYSTEM – INSTRUCTION MANUAL
PROTECTION CHAPTER 4: SETPOINTS
Figure 4-85: Directional Power characteristic
By making the characteristic angle adjustable and providing for both negative and positive
values of the minimum operating power, a variety of operating characteristics can be
achieved as presented in the figure below. For example, section (a) in the figure below
shows settings for reverse power, while section (b) shows settings for low forward power
applications.
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