See Also
The SCOPF All LP Variables dialog displays the basic and non-basic variables associated with the final LP SCOPF solution. Users interested in the specifics of the LP SCOPF can access this page to obtain internal information about the SCOPF solution. To see the display, open the Security Constrained Optimal Power Flow form, click on the LP Solution Details tab, and access the All LP Variables page.
Right click any where in the display to copy a portion or all of the display to the Window's clipboard, or to print the results.
The display lists each of the LP variables with the following fields:
ID
Variable identifier.
Org. Value
The initial value of the LP variable before SCOPF optimization.
Value
The final value of the LP variable after SCOPF optimization.
Delta Value
The difference between the original value field and the value field.
Basic Var
Shows the index of the basic variables in the LP basis. If the value is zero, the variable is non-basic. These values are set up after the SCOPF calculates the contingency violation sensitivities.
NonBasicVar
Shows the index of the non-basic variable. If the value is zero, the variable is basic.
Cost(Down)
The cost associated with decreasing the LP variable. The field will show if the variable is at its max or min limit.
Cost(Up)
The cost associated with increasing the LP variable. The field will show if the variable is at its max or min limit.
Down Range
The available range to decrease the basic variable before a new constraint is hit under a contingency condition.
Up Range
The available range to increase the basic variable before a new constraint is hit under a contingency condition.
Reduced Cost Up
The cost reduction that would be experimented if a LP variable increases. If a constraint is at the limit, the field shows the change in cost of constraint enforcement.
Reduced Cost Down
The cost reduction that would be experimented if a LP variable decreases. If a constraint is at the limit, the field shows the change in cost of constraint enforcement.
At Breakpoint
Yes, if the LP variable is at a break point.