Carriers (carriers)#

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Contents#

Data common for all types#

parameter

type

description

id

string

carrier type (el, heat, hydrogen, gas, oil, water, wellstream)

Other data differs for the different carrier types.

Data specific for each type#

el#

parameter

type

description

powerflow_method

str

“transport” or “dc_pf”

reference_node

str

id of node used as reference for voltage angles (with dc_pf method)

el_reserve_margin

float

required globally spinning reserve (MW).

el_backup_margin

float

(optional) required backup margin in case of genertor failure (MW)

reserve_storage_minutes

int

how long (minutes) stored energy must be sustained to count as reserve

heat, hydrogen#

No additional data required

oil, water, wellstream#

parameter

type

description

darcy_friction

float

Darcy friction factor

pressure_method

string

method for pressure drop calculation (darcy-weissbach/weymouth)

rho_density

float

density (kg/m3)

viscosity

float

viscosity (kg/(m s))

gas#

parameter

type

description

co2_content

float

amount of CO2 per volume (kg/Sm3)

Pb_basepressure_MPa

float

base pressure (MPa) (1 atm=0.101 MPa)

Tb_basetemp_K

float

base temperature (K) (15 degC=288 K)

R_individual_gas_constant

float

individual gas constant (J/(kg K))

Z_compressibility

float

gas compressibility

energy_value

float

energy content, calorific value (MJ/Sm3)

k_heat_capacity_ratio

float

heat capacity ratio

pressure_method

string

method used co compute pressure drop in pipe (weymouth/darcy-weissbach)

rho_density

float

density (kg/Sm3)

carbon (CO2)#

parameter

type

description

R_individual_gas_constant

float

individual gas constant (J/(kg K))

Z_compressibility

float

gas compressibility

k_heat_capacity_ratio

float

heat capacity ratio