On Risks in Power System Restoration
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(49) G2 F G ( F G1 ( 8 %6/!2 ( # ":#" " 6""2 " " %%! ()(( %B "6" F G2 " 4 1 1 1 Load restoration is only a means to an end. Step 1,preparation actions are time critical. Load restoration Is the objective. Step 2, system restoration. Step 3, load restoration. 1-2 h 3-4 h 8-10 h. 4 # 1 % ))8 " 6"" F G ; %% " ! 0$ # " 6 # 0$" 8 8$1 " " ! " ( 6 " ! F
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(76) 1. Cost. Expected cost for black out Expected outage cost Expected failure cost. Restoration speed. 4 # 1
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