Reactive current injection controlled as the pre-fault value plus an additional voltage dependent reactive current injection (<i>M</i><i><sub>q</sub></i><sub>UVRT</sub> equals 1).<br/>
Reactive current injection controlled as the pre-fault value plus an additional voltage dependent reactive current injection during fault, and as the pre-fault value plus an additional constant reactive current injection post fault (<i>M</i><i><sub>q</sub></i><sub>UVRT </sub>equals 2).<br/>