EMO:Constraints Grid - Revision history

Greg at 01:03, 13 February 2014

2014-02-13T01:03:27Z

2014-02-13T00:59:57Z

2014-02-11T23:02:54Z

2014-02-11T23:02:41Z

2014-02-11T23:01:44Z

2014-02-11T22:57:09Z

2014-02-11T03:53:09Z

2014-02-11T03:51:16Z

2014-02-11T03:49:40Z

2014-02-11T03:47:13Z

@@ Line 9: / Line 9: @@
 :The type of constraint that is binding:
 *Circuit Equation - an equation constraint
 *Base Risk Fast (or Sustained) - risk in a reserves region set by the region's base risk (currently 121 MW in the SI, not applicable in the NI)
 *Import Risk Fast (or Sustained) - risk in a reserves region set by a DC (HVDC) risk

@@ Line 9: / Line 9: @@
 :The type of constraint that is binding:
 *Circuit Equation - an equation constraint
-*Region Risk Fast (or Sustained) - risk in a reserves region set by an AC (generator) risk
+*Base Risk Fast (or Sustained) - risk in a reserves region set by the region's base risk (currently 121 MW in the SI, not applicable in the NI)
 *Import Risk Fast (or Sustained) - risk in a reserves region set by a DC (HVDC) risk
-*Unit risk - >>??
+*Unit risk - risk in a reserves region set by an AC (generator) risk
-*Max Gen Fast (or Sustained) - a unit providing reserves is constrained such that dispatched reserves plus dispatched generation equals maximum output in MW
+*Max Gen+Rsv Fast (or Sustained) - a unit providing reserves is constrained such that dispatched reserves plus dispatched generation equals maximum output in MW
-*Max Gen Slope Fast (or Sustained) - a unit providing reserves is constrained such that dispatched reserves is a fixed factor of dispatched generation in MW
+*PLSR Slope Fast (or Sustained) - a PLSR unit providing reserves is constrained such that dispatched reserves is a fixed factor of dispatched generation in MW
 |-
+|

@@ Line 11: / Line 11: @@
 *Region Risk Fast (or Sustained) - risk in a reserves region set by an AC (generator) risk
 *Import Risk Fast (or Sustained) - risk in a reserves region set by a DC (HVDC) risk
-*Unit risk -
+*Unit risk - >>??
 *Max Gen Fast (or Sustained) - a unit providing reserves is constrained such that dispatched reserves plus dispatched generation equals maximum output in MW
 *Max Gen Slope Fast (or Sustained) - a unit providing reserves is constrained such that dispatched reserves is a fixed factor of dispatched generation in MW

@@ Line 38: / Line 38: @@
 :Adjustment
+|
-:The magnitude of any adjustment to a constraint limit required to solve a feasible dispatch - usually equal to zero
+:The magnitude of any adjustment to a constraint limit required to allow EMO to find a feasible solution to an optimal dispatch - usually equal to zero
 |}

@@ Line 14: / Line 14: @@
 *Max Gen Fast (or Sustained) - a unit providing reserves is constrained such that dispatched reserves plus dispatched generation equals maximum output in MW
 *Max Gen Slope Fast (or Sustained) - a unit providing reserves is constrained such that dispatched reserves is a fixed factor of dispatched generation in MW
 |-
+|
+:Entity
+|
+:Name of the entity that is constrained
 |-
+|
+:Formula
+|
+:Constraint formula (equation constraints only)
 |-
+|
+:Limit
+|
+:Right hand side limit value of a constraint (equation constraints only)
 |-
+|
+:Price Separation
+|
+:The cost that the constraint imposes on the dispatch in dollars per MWh (a.k.a. Lagrange multiplier)
 |-
+|
+:Adjustment
+|
+:The magnitude of any adjustment to a constraint limit required to solve a feasible dispatch - usually equal to zero
 |}

@@ Line 5: / Line 5: @@
 |-
+|
-:'''''Chart (Graph)'''''
+:Constraint Type
+|
-:A graphical representation of numerical data
+:The type of constraint that is binding:
 |}

← Older revision		Revision as of 03:49, 11 February 2014
Line 1:		Line 1:
	A tab for the Constraints grid appears in the data type selector panel at the top of the display area for Scenarios and Forecasts. The grid shows all constraints that are binding in the optimal dispatch solve, and provides information for understanding what is driving price and dispatch in any particular solve. The column data is described in the following table.		A tab for the Constraints grid appears in the data type selector panel at the top of the display area for Scenarios and Forecasts. The grid shows all constraints that are binding in the optimal dispatch solve, and provides information for understanding what is driving price and dispatch in any particular solve. The column data is described in the following table.
		+
		+	{\|class="wikitable"
		+	! Column!! Description
		+	\|-
		+	\|
		+	:'''''Chart (Graph)'''''
		+	\|
		+	:A graphical representation of numerical data
		+	\|}

← Older revision		Revision as of 03:47, 11 February 2014
Line 1:		Line 1:
−	A tab for the Constraints grid appears in the	+	A tab for the Constraints grid appears in the data type selector panel at the top of the display area for Scenarios and Forecasts. The grid shows all constraints that are binding in the optimal dispatch solve, and provides information for understanding what is driving price and dispatch in any particular solve. The column data is described in the following table.