GE D90 Plus Instruction Manual page 201
Line distance protection system
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Also See for D90 Plus:
- Instruction manual (694 pages) ,
- Communications manual (222 pages) ,
- Instruction manual (602 pages)
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CHAPTER 7: PROTECTION
GROUPED PROTECTION ELEMENTS
Figure 169: Directional quadrilateral ground distance characteristic
Figure 170: Non-directional quadrilateral ground distance characteristic
Sample shapes for the mho and quadrilateral distance characteristics are shown below.
PLUS
D90
LINE DISTANCE PROTECTION SYSTEM – INSTRUCTION MANUAL
191
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