modelLVRTIBGa
Low voltage ride through for aggregated IBG
Information
LVRT for aggregated IBG model that takes into account partial tripping (See figure 4.3 in G. Chaspierre thesis 'Reduced-order modelling of active distribution networks for large-disturbance simulations')
Parameters
| Type | Name | Default | Description |
| Types.Time | tFilter | 1e-2 | Filter time constant for computation of UMin1Pu, UMinIntPu, and tMaxRecovery in s |
| Types.Time | tLVRTInt | | Time delay of trip for intermediate voltage dips in s |
| Types.Time | tLVRTMax | | Time delay of trip for small voltage dips in s |
| Types.Time | tLVRTMin | | Time delay of trip for severe voltage dips in s |
| Types.VoltageModulePu | ULVRTArmingPu | | Voltage threshold under which the automaton is activated after tLVRTMax in pu (base UNom) |
| Types.VoltageModulePu | ULVRTIntPu | | Voltage threshold under which the automaton is activated after tLVRTMin in pu (base UNom) |
| Types.VoltageModulePu | ULVRTMinPu | | Voltage threshold under which the automaton is activated instantaneously in pu (base UNom) |
| Types.PerUnit | c | | Share of units that disconnect at ULVRTMinPu |
| Types.PerUnit | d | | Fraction of ULVRTMinPu at which all units are disconnected |
| Types.PerUnit | e | | Share of units that disconnect at ULVRTIntPu |
| Types.PerUnit | f | | Fraction of ULVRTIntPu at which all units are disconnected |
| Types.PerUnit | g | | Share of units that disconnect at ULVRTArmingPu |
| Types.PerUnit | h | | Fraction of ULVRTArmingPu at which all units are disconnected |
Components
| Type | Name | Default | Description |
| Types.PerUnit | aux3 | | Auxiliary variable used to compute f3 |
| Types.PerUnit | f1 | | Partial tripping coefficient for trips in period [0, tLVRTMin], equals to 1 if no trip, 0 if fully tripped |
| Types.PerUnit | f2 | | Partial tripping coefficient for trips in period [tLVRTMin, tLVRTInt], equals to 1 if no trip, 0 if fully tripped |
| Types.PerUnit | f3 | | Partial tripping coefficient for trips in period [tLVRTInt, tLVRTMax], equals to 1 if no trip, 0 if fully tripped |
| Types.PerUnit | f4 | | Partial tripping coefficient for trips in period [tLVRTMax, inf], equals to 1 if no trip, 0 if fully tripped |
| Types.PerUnit | fLVRT | | Global partial tripping coefficient, equals to 1 if no trip, 0 if fully tripped |
| Types.Time | tMaxRecovery | | Maximum 'single-block' duration for which the protection has been armed in s |
| Types.VoltageModulePu | UMin1Pu | | Minimum voltage in period [0, tLVRTMin] in pu (base UNom) |
| Types.VoltageModulePu | UMinIntPu | | Minimum voltage in period [tLVRTMin, tLVRTInt] in pu (base UNom) |
| Types.VoltageModulePu | UMinMaxPu | | Minimum voltage in period [tLVRTMax, inf] in pu (base UNom) |