ACDCConverter: A unit with valves for three phases, together with unit control equipment, essential protective and switching devices, DC storage capacitors, phase reactors and auxiliaries, if any, used for conversion.
AsynchronousMachine: A rotating machine whose shaft rotates asynchronously with the electrical field.
BatteryUnit: An electrochemical energy storage device.
Breaker: A mechanical switching device capable of making, carrying, and breaking currents under normal circuit conditions and also making, carrying for a specified time, and breaking currents under specified abnormal circuit conditions e.
ConductingEquipment: The parts of the AC power system that are designed to carry current or that are conductively connected through terminals.
ConformLoad: ConformLoad represent loads that follow a daily load change pattern where the pattern can be used to scale the load with a system load.
ControlArea: A control area is a grouping of generating units and/or loads and a cutset of tie lines (as terminals) which may be used for a variety of purposes including automatic generation control, power flow solution area interchange control specification, and input to load forecasting.
CsConverter: DC side of the current source converter (CSC).
DCBaseTerminal: An electrical connection point at a piece of DC conducting equipment.
DCTerminal: An electrical connection point to generic DC conducting equipment.
DisconnectingCircuitBreaker: A circuit breaking device including disconnecting function, eliminating the need for separate disconnectors.
Disconnector: A manually operated or motor operated mechanical switching device used for changing the connections in a circuit, or for isolating a circuit or equipment from a source of power.
EnergyConnection: A connection of energy generation or consumption on the power system model.
EnergyConsumer: Generic user of energy - a point of consumption on the power system model.
EnergySource: A generic equivalent for an energy supplier on a transmission or distribution voltage level.
Equipment: The parts of a power system that are physical devices, electronic or mechanical.
EquivalentEquipment: The class represents equivalent objects that are the result of a network reduction.
EquivalentInjection: This class represents equivalent injections (generation or load).
ExternalNetworkInjection: This class represents the external network and it is used for IEC 60909 calculations.
Fuse: An overcurrent protective device with a circuit opening fusible part that is heated and severed by the passage of overcurrent through it.
GeneratingUnit: A single or set of synchronous machines for converting mechanical power into alternating-current power.
GroundDisconnector: A manually operated or motor operated mechanical switching device used for isolating a circuit or equipment from ground.
HydroGeneratingUnit: A generating unit whose prime mover is a hydraulic turbine (e.
IdentifiedObject: This is a root class to provide common identification for all classes needing identification and naming attributes.
Jumper: A short section of conductor with negligible impedance which can be manually removed and replaced if the circuit is de-energized.
LinearShuntCompensator: A linear shunt compensator has banks or sections with equal admittance values.
LoadBreakSwitch: A mechanical switching device capable of making, carrying, and breaking currents under normal operating conditions.
NonConformLoad: NonConformLoad represents loads that do not follow a daily load change pattern and whose changes are not correlated with the daily load change pattern.
NonlinearShuntCompensator: A non linear shunt compensator has bank or section admittance values that differ.
OperationalLimit: A value and normal value associated with a specific kind of limit.
PhaseTapChanger: A transformer phase shifting tap model that controls the phase angle difference across the power transformer and potentially the active power flow through the power transformer.
PhaseTapChangerAsymmetrical: Describes the tap model for an asymmetrical phase shifting transformer in which the difference voltage vector adds to the in-phase winding.
PhaseTapChangerLinear: Describes a tap changer with a linear relation between the tap step and the phase angle difference across the transformer.
PhaseTapChangerNonLinear: The non-linear phase tap changer describes the non-linear behaviour of a phase tap changer.
PhaseTapChangerSymmetrical: Describes a symmetrical phase shifting transformer tap model in which the voltage magnitude of both sides is the same.
PhaseTapChangerTabular: Describes a tap changer with a table defining the relation between the tap step and the phase angle difference across the transformer.
PowerElectronicsConnection: A connection to the AC network for energy production or consumption that uses power electronics rather than rotating machines.
PowerElectronicsUnit: A generating unit or battery or aggregation that connects to the AC network using power electronics rather than rotating machines.
PowerSystemResource: A power system resource (PSR) can be an item of equipment such as a switch, an equipment container containing many individual items of equipment such as a substation, or an organisational entity such as sub-control area.
ProtectedSwitch: A ProtectedSwitch is a switching device that can be operated by ProtectionEquipment.
RatioTapChanger: A tap changer that changes the voltage ratio impacting the voltage magnitude but not the phase angle across the transformer.
RegulatingCondEq: A type of conducting equipment that can regulate a quantity (i.
RegulatingControl: Specifies a set of equipment that works together to control a power system quantity such as voltage or flow.
RotatingMachine: A rotating machine which may be used as a generator or motor.
ShuntCompensator: A shunt capacitor or reactor or switchable bank of shunt capacitors or reactors.
SolarGeneratingUnit: A solar thermal generating unit, connected to the grid by means of a rotating machine.
StaticVarCompensator: A facility for providing variable and controllable shunt reactive power.
StationSupply: Station supply with load derived from the station output.
Switch: A generic device designed to close, or open, or both, one or more electric circuits.
SynchronousMachine: An electromechanical device that operates with shaft rotating synchronously with the network.
TapChanger: Mechanism for changing transformer winding tap positions.