SAInt Objects Overview
The following tables provide an overview of the main objects modelled in SAInt by network type.
1. Electric objects
Icon | Type | Name | Description |
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ENET |
Electric Network |
Models the characteristics and interactions of facilities and/or components of an electric network or market. Serves as a container for all objects in the electric network |
|
ESUB |
Electric Sub |
Models a subset of nodes, branches, and externals of an electric network. An electric sub is branch-oriented, i.e., only electric branches can be assigned to an electric sub, and every electric branch belongs to only one electric sub |
|
EZN |
Electric Zone |
Models a subset of nodes, branches, and externals of an electric network. An electric zone is node-oriented, i.e., only electric nodes can be assigned to an electric zone, and every electric node belongs to only one electric zone |
|
EGRP |
Electric Group |
Models a subset of different objects in an electric network. Except for the electric network, subs, and zones, any electric object can be added to an electric group. In contrast to electric subs and zones, electric groups do not follow any specific assignment rules. An object can be part of multiple groups |
|
ENO |
Electric Node |
Models a physical or virtual location in the electric network where electric power can be injected or extracted through externals (electric demand, generators, storages, etc.) |
|
LI |
Electric Line |
Models the transport of electric power between two locations |
|
TRF |
Electric Transformer |
Models a local increase (step-up) or decrease (step-down) of voltage between areas of different voltage levels |
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EDEM |
Electric Demand |
Models the extraction (consumption) of electric power at a node |
|
ESTR |
Electric Storage |
Models the storage of electric energy in electric storage systems, such as battery, flywheel, or compressed air |
|
SHT |
Electric Shunt |
Models a shunt reactor or capacitor. Shunt reactors are placed locally to control the over-voltages at electric nodes under light load conditions (consume reactive power to reduce the nodal voltage), while shunt capacitors are used to boost the voltage in a stressed system (supply reactive power to increase the nodal voltage) |
|
EPS |
Electric Prosumer |
Models the injection and extraction of electricity from an external network or a device or facility that can generate and consume electricity without storage |
|
PHSTR |
Pumped Hydro Storage |
Models a storage facility that extracts electricity from the network for pumping water into a reservoir using an electric pump and injects electricity into the network by converting the potential energy stored in the reservoir to electric energy using a hydro generator. A pumped hydro storage is always connected to a hydro power plant |
|
XGEN |
Generic Generator |
Models a generator or an external network injecting electric power into the electric network |
|
HGEN |
Hydro Generator |
Models the injection of electric power from a hydro generator. The amount of electricity produced depends on the volumetric flow rate ( |
|
FGEN |
Fuel Generator |
Models the injection of electric power by a fuel generator that generates electricity by converting chemical energy stored in a fuel first into mechanical energy and then into electrical energy. A fuel generator requires a fuel object (oil, gas, coal, nuclear, etc.) for operation |
|
WIND |
Wind Generator |
Models the injection of electric power from a wind generator. The electric power generation profile for a wind generator can be generated from wind weather resource data and the characteristics of the wind generator (wind turbine power curve, hub height, etc.) |
|
PV |
Solar Generator |
Models the injection of electric power from a solar generator. The electric power generation profile for a solar generator can be generated from solar weather resource data and the characteristics of the solar generator (PanelType, Tilt Angle, etc.) |
|
FUEL |
Fuel |
Models the consumption and emission of the fuel used by one or more fuel generators |
|
HYDP |
Hydro Plant |
Models a hydro power plant consisting of one or more hydro generators. Water flows into the hydro power plant either from inflow (rain, etc.), water turbinated by another hydro power plant, or spillage from a hydro power plant. Hydro power plants have a maximum and minimum reservoir volume; the difference determines the volume that can be turbinated through a hydro generator. The hydro power plant has three outflow types, namely, outflow, turbination, and spilling |
|
ASVC |
Ancillary Service |
Models the ability of generators and demands to provide reserve capacity (upward or downward reserve) to the electric network in case of an unexpected contingency |
|
ASVCX |
Ancillary Service External |
Models the facilities contributing to an ancillary service |
|
ECNSTR |
Electric Constraint |
Models a user-defined linear equality or inequality constraint describing relations between the variables of different electric objects |
|
EVAR |
Electric Variable |
Models a variable of an electric object and its corresponding coefficient utilized in a user-defined constraint |
2. Gas objects
Icon | Type | Name | Description |
---|---|---|---|
GNET |
Gas Network |
Models the characteristics and interactions of facilities and/or components of a gas network. Serves as a container for all objects in the gas network |
|
GSUB |
Gas Sub |
Models a subset of nodes, branches, and gas externals of a gas network. A gas sub is branch-oriented, i.e., only gas branches can be assigned to a gas sub, and every gas branch belongs to only one gas sub |
|
GZN |
Gas Zone |
Models a subset of nodes, branches, and externals of a gas network. A gas zone is node-oriented, i.e., only gas nodes can be assigned to a gas zone, and every gas node belongs to only one gas zone |
|
GGRP |
Gas Group |
Models a subset of different objects in a gas network. Except for the gas network, subs, and zones, any gas object can be added to a gas group. In contrast to gas subs and zones, gas groups do not follow any specific assignment rules. Thus, a gas object can be part of multiple gas groups |
|
GNO |
Gas Node |
Models a physical or virtual location in the gas network where gas can be injected or extracted through externals (gas demand, supply, storage, etc.) |
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GPI |
Gas Pipeline |
Models the transport of gas between two distant locations |
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GCS |
Gas Compressor |
Models the increase of inlet pressure to a higher outlet pressure to ensure continuous transport and delivery of gas to customers at the contracted nominations and delivery pressures |
|
GCV |
Gas Control Valve |
Models the reduction of inlet pressure to lower outlet pressure or the control of gas flow to a downstream network |
|
GVA |
Gas Valve |
Models a valve station, which is used to route the gas stream and shut down sections of the network for maintenance or in case of a disruption. |
|
GRE |
Gas Resistor |
Models passive devices that cause a local pressure drop, such as meters inlet piping, scrubbers, coolers, heaters, etc |
|
GSUP |
Gas Supply |
Models the injection of gas at a node |
|
GDEM |
Gas Demand |
Models the consumption of gas at a node |
|
GSTR |
Gas Storage |
Models the withdrawal and injection of gas from/into the storage inventory of an (underground) gas storage facility |
|
LNG |
LNG terminal |
Models the arrival of LNG-vessels and the discharge, storage, regasification, and injection of liquefied natural gas in an LNG regasification terminal |
|
GQUAL |
Gas Quality |
Models the thermo dynamic properties (gross/net calorific value, relative density, etc.) and the mixtures of different gas molecules (gas components) flowing through the network |
|
GCMP |
Gas Component |
Models the thermo dynamic properties (gross/net calorific value, relative density, etc.) of a gas molecule included in the gas mixture |
|
GCUS |
Gas Component Usage |
Models the molar percentage of mixture of a gas component included in a gas quality |
3. Hubs objects
Icon | Type | Name | Description |
---|---|---|---|
HUBS |
Hub System |
Models the operation of facilities coupling different energy network types. Serves as a container for all hub objects |
|
GFG |
Gas-Fired Generator |
Models the coupling between a Fuel Generator (FGEN) and a Gas Demand (GDEM) |
|
P2G |
Power-To-Gas Facility |
Models the coupling between an Electric Demand (EDEM) and a Gas Supply (GSUP). A prime example of a Power-To-Gas Facility is an electrolyzer plant, in which electric power is used to convert water into oxygen and hydrogen. The latter is then injected into the gas network |
|
EDGCS |
Electric-Driven Gas Compressor |
Models the coupling between an Electric Demand (EDEM) and a Gas Compressor (GCS). In an Electric-Driven Gas Compressor, electric power is converted into the mechanical power needed to increase the gas pressure |
|
EDGSTR |
Electric-Driven Gas Storage |
Models the coupling between an Electric Demand (EDEM) and a Gas Storage (GSTR). It models the electricity consumption needed to operate the gas storage |
|
EDLNG |
Electric-Driven LNG Terminal |
Models the coupling between an Electric Demand (EDEM) and an LNG Terminal (LNG). It models the electric power consumption needed to operate the LNG terminal |
4. Thermal objects
Icon | Type | Name | Description |
---|---|---|---|
TNET |
Thermal Network |
Models the characteristics and interactions of facilities and/or components of a thermal network. Serves as a container for all objects in the thermal network |
|
TSUB |
Thermal Sub |
Models a subset of nodes, branches, and thermal externals of an thermal network. A thermal sub is branch-oriented, i.e., only thermal branches can be assigned to a thermal sub, and every thermal branch belongs to only one thermal sub |
|
TZN |
Thermal Zone |
Models a subset of nodes, branches, and externals of a thermal network. A thermal zone is node-oriented, i.e., only thermal nodes can be assigned to a thermal zone, and every thermal node belongs to only one thermal zone |
|
TGRP |
Thermal Group |
Models a subset of different objects in a thermal network. Except for the thermal network, subs, and zones, any thermal object can be added to a thermal group. In contrast to thermal subs and zones, thermal groups do not follow any specific assignment rules. Thus, a thermal object can be part of multiple thermal groups |
|
TNO |
Thermal Node |
Models a physical or virtual location in the thermal network where heat (or cold) can be injected or extracted through externals |
|
TPI |
Thermal Pipe |
Models the transport of heat (or cold) between two distant locations |
|
HSUP |
Heat Supply |
Models the injection of heat at a node |
|
HDEM |
Heat Demand |
Models the consumption of heat at a node |