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GTO + Diode

Description

Similar to the thyristor model, a GTO+diode is modeled as a thyristor with an internal diode in shunt. The switch of the GTOis controlled by a logical signal depending on the terminal voltage, current, and the gating signal. The diode protects the semiconductor device by providing a conduction path for reverse current. 

The model also provides a signal Failsig  which shows if the block has reached its normal or reverse breakdown voltage or if an untimely firing had happened. The model also has an option to be controlled from external signals and an option to enter the precision delay D. 

Depending on the user's requirement, there is also an option to select the precision functionality, which allows the user to compensate for errors due to digital implementation of the model during the state switching as a function of time step.

Table of Contents

Mask and Parameters

General


NameDescriptionUnitVariable = {Possible Values}
VminForward voltage dropV

{[0,1e12]}

RopenOpen state resistanceOhm{(0,1e12]}
RcloseClosed state resistanceOhm{(0,1e12]}
RsnubberSnubber resistanceOhm{[0,1e12]}
CsnubberSnubber capacitanceF{[0,1e12]}
Control type

External Input pins: Schematic control signal; the received integer is converted to a binary string where each digit corresponds to a phase

External Input sensors: Target digital inputs




Advanced


NameDescriptionUnitVariable = {Possible Values}
Fail resetFail reset

{Enable, Disable}

Precision valve

Enable: Enables recalculation of the state switch command using exact time between steps (as percentage of time step)

Disable: does not use precision valve


{Enable, Disable}
IminHolding currentA{[0,1e12]}
IbreakMaximum breakable currentA{[0,1e12]}
FbovForward break over voltageV{[0,1e12]}
RbovReverse break over voltageV{[0,1e12]}

Ports, Inputs, Outputs and Signals Available for Monitoring

Ports

NameDescription
Net_1Network connection
Net_2Network connection

Inputs

NameDescription
DDelay used for precision valves
PBinary coded firing pulses

Outputs

None

Sensors

NameDescriptionUnit
DDelay used for precision valve, measured from changing point to current time steps
FailSigFail reset signal
IDiode currentA
DelayDelay due to forward voltage drops
State12Diode state

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