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From: barkerde@nmenergy.com To: nyiso_tech_exchange@global2000.net Subject: Out of Merit Cc: Bcc: Date: Tue, 24 Jul 2001 10:36:01 -0700 (PDT) barkerde@nmenergy.com writes to the NYISO_TECH_EXCHANGE Discussion List: Can anyone tell me the difference between solving for a line constraint (mw limit) and a voltage constraint? Could it be that the former uses SCD and sets LBMP and the other uses units out of merit and clobbers uplift?