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MMC Valve (HB Cells)
Description
This component implements a modular multilevel converter (MMC) valve with half-bridge submodules (HBSMs). The MMC consists of multiple HBSMs connected in series and an arm inductor. The individual HBSM consists of a capacitor and two 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
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 HBSMs |
Outputs
Name | Description |
|---|---|
V | Capacitor voltages of HBSMs |
Sensors
Name | Description | Unit |
|---|---|---|
Cmd1_smX | Command signal of switch 1 (bypass) of X-th SM | - |
Cmd2_smX | Command signal of switch 2 (capacitor) of X-th SM | - |
IRLSer | RLarm (choke) current | A |
IkmCap_smX | X-th SM Capacitor switch current | A |
Ikm_smX | X-th SM Bypass switch current | A |
Vc_smX | X-th SM capacitor voltage | V |
VkmSwCap_smX | X-th SM capacitor switch voltage | V |
VkmSw_smX | X-th SM bypass switch voltage | V |
References
https://www.mathworks.com/help/physmod/sps/powersys/ref/halfbridgeconverter.html
See Also
OPAL-RT TECHNOLOGIES, Inc. | 1751, rue Richardson, bureau 1060 | Montréal, Québec Canada H3K 1G6 | opal-rt.com | +1 514-935-2323