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Path Rating Catalog 2013 - Western Electricity Coordinating Council

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Revised December 2010<br />

2010 PATH 22 OPERATING NOMOGRAM<br />

FOUR CORNERS SYSTEM LIMITS<br />

25% FC-CH COMPENSATION (1)<br />

1600<br />

1535<br />

1400<br />

Point 2<br />

Zone B - Trip 750MW<br />

-Arm FC Sel Sw 1<br />

Point 4<br />

FC-MK LINE FLOW (MW)<br />

1200<br />

1000<br />

Zone A<br />

No Arming<br />

Required<br />

Point 5<br />

Point 5 + 5%<br />

Point 3<br />

800<br />

Point 1<br />

600<br />

750<br />

800<br />

850<br />

900<br />

950<br />

1000<br />

1050<br />

1100<br />

1150<br />

1200<br />

1250<br />

1300<br />

1350<br />

1340<br />

(1) FC-MK compensation may be 0 - 24%<br />

FC-CH LINE FLOW (MW)<br />

Figure 2: Current <strong>Path</strong> 22 Nomogram<br />

PART VI Item 1-62

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