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Description
This component implements a modular multilevel converter (MMC) valve with full bridge submodules (FBSMs). The MMC consists of multiple FBSMs connected in series and an arm inductor. The individual FBSM consists of a capacitor and four switches.
The converter is modelled with a detail switch that is driven by a PWM generator with 0 or 1 signals.
To appropriately simulate the blocked state (diode mode), the "Activate iterative method" must be enabled in the Simulation Settings.
Mask and Parameters
Name | Description | Unit | Variable = {Possible Values} | |
|---|---|---|---|---|
Number of modules | Number of submodules in one valve | - | nbGroup | |
Open state resistance - Ropen | IGBT Resistance when the switch is open | MΩ | th_R_off | |
Closed state resistance - Rclose | IGBT Resistance when the switch is closed | Ω | th_R_on | |
Arm resistance - Rarm | Arm resistance | Ω | Rchoke | |
Arm inductance - Larm | Arm inductance | H | Lchoke | |
DC storage capacitance - C | Capacitance of the submodule | F | C | |
Initial capacitor voltage - Vclnit | Initial capacitor voltage of the submodule | V | Vclint | |
Forward voltage drop - Vf | Forward voltage drop of the switch | V | Vseuil | |
Holding current - Ihold | Holding current | A | Ihold | |
Ports, Inputs, Outputs and Signals Available for Monitoring
Ports
Name | Description |
|---|---|
+ | Positive terminal of the valve |
_ | Negative terminal of the valve |
Inputs
Name | Description |
|---|---|
P | Gating signals of FBSMs |
Outputs
Name | Description |
|---|---|
V | Capacitor voltages of HBSMs |
Sensors
Name | Description | Unit |
|---|---|---|
Cmd1_smX | X-th SM switch 1 command signal | - |
Cmd2_smX | X-th SM switch 2 command signal | - |
Cmd3_smX | X-th SM switch 3 command signal | - |
Cmd4_smX | X-th SM switch 4 command signal | - |
IRLSer | RLarm (choke) current | A |
IkmSwCap_smX | X-th SM switch 2 current | A |
IkmSw_smX | X-th SM switch 1 current | A |
Isw3_smX | X-th SM switch 3 current | A |
Isw4_smX | X-th SM switch 4 current | A |
State1D_smX | X-th SM Switch 1 diode State | - |
State1_smX | X-th SM Switch 1 State | - |
State2D_smX | X-th SM Switch 2 diode State | - |
State2_smX | X-th SM Switch 2 State | - |
State3D_smX | X-th SM Switch 3 diode State | - |
State3_smX | X-th SM Switch 3 State | - |
State4D_smX | X-th SM Switch 4 diode State | - |
State4_smX | X-th SM Switch 4 State | - |
Vc_smX | X-th SM Capacitor voltage | V |
VkmSwCap_smX | X-th SM Switch 1 voltage | V |
VkmSw_sm0 | X-th SM Switch 2 voltage | V |
Vsw3_sm0 | X-th SM Switch 3 voltage | V |
Vsw4_sm0 | X-th SM Switch 4 voltage | V |
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Description
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References
https://www.mathworks.com/help/physmod/sps/powersys/ref/fullbridgeconverter.html