Update electrical_export.py and common_costs.yaml

ORBIT/core/defaults/common_costs.yaml

@@ -19,15 +19,13 @@ spar_design:
   secondary_steel_CR: 7250                      # USD/t
 
 # Offshore substation component cost rates
-substation_design:
-  mpt_cost_rate: 12500                          # USD/MW
+substation_design_275kV:
   topside_fab_cost_rate: 14500                  # USD/t
   topside_design_cost:                          # USD
     #oldHVAC: 4.5e6
     HVAC: 107.3e6
     HVDC-monopole: 294e6
     HVDC-bipole: 476e6
-  shunt_cost_rate: 35000                        # USD/MW
   mpt_unit_cost: 2.87e6                         # USD/mpt
   shunt_unit_cost: 10000                        # USD/cable
   switchgear_cost: 4e6                          # USD/cable
@@ -43,13 +41,57 @@ substation_design:
   oss_substructure_cost_rate: 3000              # USD/t
   oss_pile_cost_rate: 0                         # USD/t
 
+substation_design_420kV:
+  topside_fab_cost_rate: 16240                  # USD/t
+  topside_design_cost:                          # USD
+    #oldHVAC: 4.5e6
+    HVAC: 120.1766e6
+    HVDC-monopole: 329.28e6
+    HVDC-bipole: 533.12e6
+  mpt_unit_cost: 3.2144e6                         # USD/mpt
+  shunt_unit_cost: 3.8e3                          # USD/cable
+  switchgear_cost: 4.48e6                          # USD/cable
+  dc_breaker_cost: 11.76e6                       # USD/cable
+  backup_gen_cost: 1.12e6                          # USD
+  workspace_cost: 2.24e6                           # USD
+  other_ancillary_cost: 3.36e6                     # USD
+  topside_assembly_factor: 0.075                # %
+  converter_cost:                               # USD
+    HVAC: 0
+    HVDC-monopole: 142.24e6
+    HVDC-bipole: 331.52.2e6
+  oss_substructure_cost_rate: 3360              # USD/t
+  oss_pile_cost_rate: 0                         # USD/t
+
+substation_design_525kV:
+  topside_fab_cost_rate: 17980                  # USD/t
+  topside_design_cost:                          # USD
+    #oldHVAC: 4.5e6
+    HVAC: 133.1e6
+    HVDC-monopole: 364.6e6
+    HVDC-bipole: 590.2e6                       
+  mpt_unit_cost: 3.56e6                         # USD/mpt
+  shunt_unit_cost: 10000                        # USD/cable
+  switchgear_cost: 4.96e6                          # USD/cable
+  dc_breaker_cost: 13.02e6                       # USD/cable
+  backup_gen_cost: 1.24e6                          # USD
+  workspace_cost: 2.48e6                           # USD
+  other_ancillary_cost: 3.72e6                     # USD
+  topside_assembly_factor: 0.075                # %
+  converter_cost:                               # USD
+    HVAC: 0
+    HVDC-monopole: 157.5e6
+    HVDC-bipole: 367e6
+  oss_substructure_cost_rate: 3720              # USD/t
+  oss_pile_cost_rate: 0                         # USD/t
+
 # Onshore substation component cost rates
-onshore_substation_design:
+onshore_substation_design_275kV:
   onshore_converter_cost:                       # USD
     HVAC: 0
     HVDC-monopole: 157e6
     HVDC-bipole: 350e6
-  shunt_unit_cost: 13000                        # USD/cable
+  shunt_unit_cost: 3.8e3                          # USD/cable
   switchgear_cost: 9.33e6                       # USD/cable
   compensation_rate:                            # USD/cable
     HVAC: 31.3e6
@@ -60,6 +102,38 @@ onshore_substation_design:
     HVDC-monopole: 87.3e6
     HVDC-bipole: 100e6
 
+onshore_substation_design_420kV:
+  onshore_converter_cost:                       # USD
+    HVAC: 0
+    HVDC-monopole: 175.84e6
+    HVDC-bipole: 392e6
+  shunt_unit_cost: 3.8e3                          # USD/cable
+  switchgear_cost: 10.4496e6                       # USD/cable
+  compensation_rate:                            # USD/cable
+    HVAC: 35.056e6
+    HVDC-monopole: 0
+    HVDC-bipole: 0
+  onshore_construction_rate:                    # USD
+    HVAC: 5.6e6
+    HVDC-monopole: 97.776e6
+    HVDC-bipole: 112e6
+
+onshore_substation_design_525kV:
+  onshore_converter_cost:                       # USD
+    HVAC: 0
+    HVDC-monopole: 194.7e6
+    HVDC-bipole: 434e6
+  shunt_unit_cost: 4.71e3                          # USD/cable
+  switchgear_cost: 11.57e6                       # USD/cable
+  compensation_rate:                            # USD/cable
+    HVAC: 31.3e6
+    HVDC-monopole: 0
+    HVDC-bipole: 0
+  onshore_construction_rate:                    # USD
+    HVAC: 6.2e6
+    HVDC-monopole: 108.3e6
+    HVDC-bipole: 124e6
+
 # Semisubmersible component cost rates
 semisubmersible_design:
   stiffened_column_CR: 3120                     # USD/t

ORBIT/phases/design/electrical_export.py

@@ -350,6 +350,29 @@ def calc_crossing_cost(self):
         )
 
         """SUBSTATION"""
+    def get_substation_design(self):   
+        voltage = self.cable.rated_voltage
+        substation_design = f"substation_design_{voltage}kV"
+
+        #default to using the 275 kV substation costs if there is no corresponding section in common_costs
+        try:
+            self.get_default_cost(substation_design, "mpt_unit_cost")
+        except KeyError:
+            voltage = "275kV"
+            substation_design = f"substation_design_{voltage}"
+        return substation_design
+
+    def get_onshore_substation_design(self):   
+        voltage = self.cable.rated_voltage
+        onshore_substation_design = f"onshore_substation_design_{voltage}kV"
+
+        #default to using the 275 kV onshore substation costs if there is no corresponding section in common_costs
+        try:
+            self.get_default_cost(onshore_substation_design, "shunt_unit_cost")
+        except KeyError:
+            voltage = "275kV"
+            onshore_substation_design = f"onshore_substation_design_{voltage}"
+        return onshore_substation_design
 
     @property
     def total_substation_cost(self):
@@ -397,10 +420,10 @@ def calc_mpt_cost(self):
         """Computes HVAC main power transformer (MPT). MPT cost is 0 for
         HVDC.
         """
-
+        substation_design =self.get_substation_design()
         _key = "mpt_unit_cost"
         _mpt_cost = self._oss_design.get(
-            _key, self.get_default_cost("substation_design", _key)
+            _key, self.get_default_cost(substation_design, _key)
         )
 
         self.num_mpt = self.num_cables
@@ -417,13 +440,13 @@ def calc_shunt_reactor_cost(self):
         """Computes HVAC shunt reactor cost. Shunt reactor cost is 0 for
         HVDC.
         """
-
+        substation_design =self.get_substation_design()
         touchdown = self.config["site"]["distance_to_landfall"]
 
         _key = "shunt_unit_cost"
 
         shunt_unit_cost = self._oss_design.get(
-            _key, self.get_default_cost("substation_design", _key)
+            _key, self.get_default_cost(substation_design, _key)
         )
 
         if "HVDC" in self.cable.cable_type:
@@ -438,10 +461,10 @@ def calc_shunt_reactor_cost(self):
 
     def calc_switchgear_costs(self):
         """Computes HVAC switchgear cost. Switchgear cost is 0 for HVDC."""
-
+        substation_design =self.get_substation_design()
         _key = "switchgear_cost"
         switchgear_cost = self._oss_design.get(
-            _key, self.get_default_cost("substation_design", _key)
+            _key, self.get_default_cost(substation_design, _key)
         )
 
         self.num_switchgear = (
@@ -452,10 +475,10 @@ def calc_switchgear_costs(self):
 
     def calc_dc_breaker_cost(self):
         """Computes HVDC circuit breaker cost. Breaker cost is 0 for HVAC."""
-
+        substation_design =self.get_substation_design()
         _key = "dc_breaker_cost"
         dc_breaker_cost = self._oss_design.get(
-            _key, self.get_default_cost("substation_design", _key)
+            _key, self.get_default_cost(substation_design, _key)
         )
 
         num_dc_breakers = (
@@ -467,19 +490,20 @@ def calc_dc_breaker_cost(self):
     def calc_ancillary_system_cost(self):
         """Calculates cost of ancillary systems."""
 
+        substation_design =self.get_substation_design()
         _key = "backup_gen_cost"
         backup_gen_cost = self._oss_design.get(
-            _key, self.get_default_cost("substation_design", _key)
+            _key, self.get_default_cost(substation_design, _key)
         )
 
         _key = "workspace_cost"
         workspace_cost = self._oss_design.get(
-            _key, self.get_default_cost("substation_design", _key)
+            _key, self.get_default_cost(substation_design, _key)
         )
 
         _key = "other_ancillary_cost"
         other_ancillary_cost = self._oss_design.get(
-            _key, self.get_default_cost("substation_design", _key)
+            _key, self.get_default_cost(substation_design, _key)
         )
 
         self.ancillary_system_costs = (
@@ -489,9 +513,10 @@ def calc_ancillary_system_cost(self):
     def calc_assembly_cost(self):
         """Calculates the cost of assembly on land."""
 
+        substation_design =self.get_substation_design()
         _key = "topside_assembly_factor"
         topside_assembly_factor = self._oss_design.get(
-            _key, self.get_default_cost("substation_design", _key)
+            _key, self.get_default_cost(substation_design, _key)
         )
 
         if topside_assembly_factor > 1.0:
@@ -506,11 +531,12 @@ def calc_assembly_cost(self):
     def calc_converter_cost(self):
         """Computes converter cost."""
 
+        substation_design =self.get_substation_design()
         _key = "converter_cost"
         converter_cost = self._oss_design.get(
             _key,
             self.get_default_cost(
-                "substation_design", _key, subkey=self.cable.cable_type
+                substation_design, _key, subkey=self.cable.cable_type
             ),
         )
 
@@ -521,15 +547,15 @@ def calc_substructure_mass_and_cost(self):
         Calculates the mass and associated cost of the substation substructure
         based on equations 81-84 [1].
         """
-
+        substation_design =self.get_substation_design()
         _key = "oss_substructure_cost_rate"
         oss_substructure_cost_rate = self._oss_design.get(
-            _key, self.get_default_cost("substation_design", _key)
+            _key, self.get_default_cost(substation_design, _key)
         )
 
         _key = "oss_pile_cost_rate"
         oss_pile_cost_rate = self._oss_design.get(
-            _key, self.get_default_cost("substation_design", _key)
+            _key, self.get_default_cost(substation_design, _key)
         )
 
         # Substructure mass components
@@ -580,6 +606,8 @@ def calc_topside_deck_space(self):
     def calc_topside_mass_and_cost(self):
         """Calculates the mass and cost of the substation topsides."""
 
+        substation_design =self.get_substation_design()
+
         self.topside_mass = (
             3.85 * (self.mpt_rating * self.num_mpt) / self.num_substations
             + 285
@@ -589,7 +617,7 @@ def calc_topside_mass_and_cost(self):
         topside_design_cost = self._oss_design.get(
             _key,
             self.get_default_cost(
-                "substation_design", _key, subkey=self.cable.cable_type
+                substation_design, _key, subkey=self.cable.cable_type
             ),
         )
 
@@ -599,20 +627,21 @@ def calc_onshore_cost(self):
         """Minimum Cost of Onshore Substation Connection."""
 
         _design = self.config.get("onshore_substation_design", {})
+        onshore_substation_design = self.get_onshore_substation_design()
 
         _key = "onshore_converter_cost"
         _converter_cost = _design.get(
             _key,
             self.get_default_cost(
-                "onshore_substation_design", _key, subkey=self.cable.cable_type
+                onshore_substation_design, _key, subkey=self.cable.cable_type
             ),
         )
 
         self.onshore_converter_cost = self.num_substations * _converter_cost
 
         _key = "switchgear_cost"
         _switchgear_cost = _design.get(
-            _key, self.get_default_cost("onshore_substation_design", _key)
+            _key, self.get_default_cost(onshore_substation_design, _key)
         )
 
         self.onshore_switchgear_cost = self.num_switchgear * _switchgear_cost
@@ -621,15 +650,15 @@ def calc_onshore_cost(self):
         _construction_rate = _design.get(
             _key,
             self.get_default_cost(
-                "onshore_substation_design", _key, subkey=self.cable.cable_type
+                onshore_substation_design, _key, subkey=self.cable.cable_type
             ),
         )
 
         self.onshore_construction = self.num_substations * _construction_rate
 
         _key = "shunt_unit_cost"
         _shunt_unit_cost = _design.get(
-            _key, self.get_default_cost("onshore_substation_design", _key)
+            _key, self.get_default_cost(onshore_substation_design, _key)
         )
 
         self.onshore_shunt_reactor_cost = (
@@ -640,7 +669,7 @@ def calc_onshore_cost(self):
         _compensation_rate = _design.get(
             _key,
             self.get_default_cost(
-                "onshore_substation_design", _key, subkey=self.cable.cable_type
+                onshore_substation_design, _key, subkey=self.cable.cable_type
             ),
         )
 

library/cables/HVDC_2500mm_525kV.yaml

@@ -1,7 +1,7 @@
 ac_resistance: 0           # ohm/km
 capacitance: 227000        # nF/km
 conductor_size: 2500       # mm^2
-cost_per_km: 1420000       # $
+cost_per_km: 1855000       # $
 current_capacity: 1905     # A
 inductance: 0.149          # mH/km
 linear_density: 74         # t/km

library/cables/XLPE_2500mm_420kV.yaml

@@ -0,0 +1,11 @@
+# from TFKabel
+ac_resistance: 0.014    # ohm/km
+capacitance: 225        # nF/km
+conductor_size: 2500    # mm^2
+cost_per_km: 2450000    # $/km Based on the 220kV costs that are in ORBIT/electrical-refactor right now and the Xiang et al. (2016) 
+current_capacity: 688  # A # trefoil config in earth, 90C
+inductance: 0.115       # mH/km  
+linear_density: 156     # t/km # ESTIMATE
+cable_type: HVAC        # HVDC vs HVAC
+name: XLPE_2500mm_420kV_dynamic
+rated_voltage: 420