EMK:Grid - Revision history

NelsonM: /* Lines Box */

2013-03-06T20:35:15Z

Lines Box

2013-03-06T20:34:16Z

Lines Box

2013-03-06T20:33:50Z

Lines Box

2013-03-06T20:32:56Z

Nodes Box

2013-03-06T20:32:34Z

Nodes Box

2013-03-06T20:26:28Z

Equations Box

2013-03-06T20:25:07Z

Nodes Box

2013-03-06T20:23:05Z

Lines Box

2013-03-06T20:20:34Z

Lines Box

2013-03-06T20:16:14Z

Nodes Box

@@ Line 35: / Line 35: @@
 |-
 | ''Winter Limit (MW)'' || The maximum capacity of the line during the Winter period
 |-
 | ''Summer Limit (MW)'' || The maximum capacity of the line during the Summer period

@@ Line 43: / Line 43: @@
 |}
+  Note: As the Winter, Shoulder and Summer periods vary, they need to be defined within the schedule using the variable 'TransmissionSeason' as the input.
 If the seasons are not defined, the model will default to the Winter Season.

@@ Line 43: / Line 43: @@
 |}
-The '''Check Grid Configuration''' Button is used to ensure that all Nodes listed in the '''Grid Nodes''' Box are connected to the Grid and that there aren't any duplicate lines. An error message is returned if the Grid is not properly connected.
 ==DC Lines Box==

@@ Line 75: / Line 75: @@
 | ''Fixed losses'' || A foxed loss in MW can be attributed to this node.
 |}
 ==Equations Box==

@@ Line 75: / Line 75: @@
 | ''Fixed losses'' || A foxed loss in MW can be attributed to this node.
 |}
 ==Equations Box==

@@ Line 87: / Line 87: @@
 |-
 | ''Winter Limit'' || The value (as calculated in each Tick using the formula) at which the Constraint will become effective during the Winter period
 |-
 | ''Summer Limit'' || The value (as calculated in each Tick using the formula) at which the Constraint will become effective during the Summer period

@@ Line 72: / Line 72: @@
 |-
 | ''Resistance'' || This represents the per unit resistance between the retail supply Nodes and those on the Grid backbone and is used to model transformer losses on aggregated Grids.  Full Grid models do not need resistance values, where aggregated grids are used resistance values may be needed to model losses.
 |}

@@ Line 40: / Line 40: @@
 | ''Enforce'' || When set to Y the Line capacities are enforced during Runs. When set to N, EMarket runs with the Line unconstrained which means that the power flow can exceed the limit values in this table.
 |-
-| ''Version'' || The line version allows for multiple lines of the same name. This could represent lines upgrades or outages. The model defaults to 0, with version values accessed through the schedule. i.e. 'Line:WKM_OTA.Version = Timeseries(0,'1/11/2012',1)'
+| ''Version'' || The line version allows for multiple lines of the same name so could represent lines upgrades or outages. The model defaults to line version 0, with additional version values accessed through the schedule. i.e. Line:WKM_OTA.Version = Timeseries(0,'1/11/2012',1)
 |}

@@ Line 67: / Line 67: @@
 | ''Node'' || A code representing a Node on the Grid
 |-
-| ''Region'' || The Reserve Region where the Node is located. New Reserve Regions can be mapped to Nodes simply by editing their ''Region'' field. Note: This Region is used for WV calculations to determine which side of the HVDC a node lies.
+| ''Region'' || The Reserve Region where the Node is located. New Reserve Regions can be mapped to Nodes simply by editing their ''Region'' field. Note: The Res.Region is used for WV calculations to determine which side of the HVDC a node lies.
 |-
 | ''Resistance'' || This represents the per unit resistance between the retail supply Nodes and those on the Grid backbone and is used to model transformer losses on aggregated Grids.  Full Grid models do not need resistance values, where aggregated grids are used resistance values may be needed to model losses.