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MMC Valve (HB Cells)


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.


Mask and Parameters

NameDescriptionUnitVariable = {Possible Values}
Number of modulesNumber of submodules-

nbGroup

Open state resistance - RopenIGBT Resistance when the switch is openMΩth_R_off
Closed state resistance - RcloseIGBT Resistance when the switch is closedΩth_R_on
Arm resistance - RarmArm resistanceΩRchoke
Arm inductance - Larm Arm inductanceHLchoke
DC storage capacitance - CCapacitance of the submoduleFC
Initial capacitor voltage - VclnitInitial capacitor voltage of the submoduleVVclint


Ports, Inputs, Outputs and Signals Available for Monitoring

Ports

NameDescription
+Positive terminal of the valve
_Negative terminal of the valve

Inputs

NameDescription
PGating signals of HBSMs 

Outputs

NameDescription
VCapacitor voltages of HBSMs

Sensors

NameDescriptionUnit
Cmd1_smXCommand signal of switch 1 (bypass) of X-th SM-
Cmd2_smXCommand signal of switch 2 (capacitor) of X-th SM-
IRLSerRLarm (choke) currentA
IkmCap_smXX-th SM Capacitor switch currentA
Ikm_smXX-th SM Bypass switch currentA
Vc_smX

X-th SM capacitor voltage

V
VkmSwCap_smXX-th SM capacitor switch voltageV
VkmSw_smXX-th SM bypass switch voltageV

Description

The converter is modeled with detail switch that is driven by a PWM generator with 0 or 1 signals.


References

See Also


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