revert rate of change constraint formulation

NREL-Sienna · May 15, 2024 · fb8862d · fb8862d
1 parent 0169482
commit fb8862d
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/src/devices_models/devices/common/rateofchange_constraints.jl b/src/devices_models/devices/common/rateofchange_constraints.jl
@@ -96,7 +96,7 @@ function add_linear_ramp_constraints!(
         )
         con_down[name, 1] = JuMP.@constraint(
             get_jump_model(container),
-            ic_power - expr_dn[name, 1] <= ramp_limits.down * minutes_per_period
+            ic_power - expr_dn[name, 1] >= -1 * ramp_limits.down * minutes_per_period
         )
         for t in time_steps[2:end]
             con_up[name, t] = JuMP.@constraint(
@@ -106,8 +106,8 @@ function add_linear_ramp_constraints!(
             )
             con_down[name, t] = JuMP.@constraint(
                 get_jump_model(container),
-                variable[name, t - 1] - expr_dn[name, t] <=
-                ramp_limits.down * minutes_per_period
+                variable[name, t - 1] - expr_dn[name, t] >=
+                -1 * ramp_limits.down * minutes_per_period
             )
         end
     end