RLC (Three-Phase)
Three-phase impedance.
blockType: AcausalElectricPowerSystems.Passive.RLC_Assemblies.ThreePhaseRLC
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Description
Block RLC (Three-Phase) simulates a three-phase impedance. Each of the three impedance phases can include any combination of resistor ( ), the capacitor ( ) and inductors ( ), connected in series or in parallel. The impedance is phase-symmetric, meaning the values of resistance, capacitance, and inductance of all phases are the same.
Values , and they are set by the corresponding block parameters. Do not set the parameter values to zero or infinity to remove elements; instead, select the correct option for the Component structure parameter.
Parameterization of the block
The following table lists the block parameters for each component structure.
| The structure of the components | Basic parameters | Parameters of the initial conditions |
|---|---|---|
|
Resistance |
No |
|
Inductance |
The initial current of the inductor ] |
|
Container |
Initial capacitor voltage ] |
Series RL |
Resistance Inductance |
The initial current of the inductor ] |
Series RC |
Resistance Container |
Initial voltage of the capacitor ] |
Series LC |
Inductance Container |
The initial current of the inductor ] Initial voltage of the capacitor ] |
Series RLC |
Resistance Inductance Container |
The initial current of the inductor ] Initial capacitor voltage ] |
Parallel RL |
Resistance Inductance |
The initial current of the inductor ] |
Parallel RC |
Resistance Container |
Initial voltage of the capacitor ] |
Parallel LC |
Inductance Container |
The initial current of the inductor ] Initial voltage of the capacitor ] |
Parallel RLC |
Resistance Inductance Container |
The initial current of the inductor ] Initial voltage of the capacitor ] |
Parameters
Main
Component structure — a combination of R, L and C
stem:[R (default) | L | C | Series RL | Series RC | Series LC | Series RLC | Parallel RL | Parallel RC | Parallel LC | Parallel RLC
Sets the resistor combination , of the capacitor and the inductors , connected in series or in parallel.
Resistance — pass resistance:q[<br>] 1.0 Ohm (default)
The resistance of each resistor.
Induction — pass inductance:q[<br>] 1e−3 Gn (default)
The inductance of each coil.
Capacity — pass capacity:q[<br>] 1e−6F (default)
The capacity of each capacitor.
Parasitics
Parasitic series resistance, Ohm — parasitic series resistance
0 Ohms (default)
It represents small parasitic effects. The value of the parameter corresponds to the value of the series resistance added to all instances of capacitors in the load.
Parasitic parallel conduction, 1/Ohm — parasitic parallel conduction
0 1/Ohm (default)
It represents small parasitic effects. The parameter value corresponds to the parallel conduction value added to all instances of inductors in the load.
If you set the parameter Component Structure to one of the values Series RL, Series LC or Series RLC The parasitic parallel conduction is connected through a complete block branch.
Initial values
Initial value of current through inductors, [Ia Ib Ic] — initial values of coil currents
zeros(3) (default)
The initial values of the currents through the inductors.
Initial value of voltage across capacitors, [Va Vb Vc] — initial values of voltage across pass capacitors:q[<br>] zeros(3) (default)
The initial voltage values on the capacitors.