09:10 - 10:30 | Wed 16 Oct | Pacífico | W3-1
Nowadays, the trend is that modern power systems operate with high penetration of photovoltaic generation, which must provide adequate voltage support in contingency situations. This paper presents an analysis and assessment of the effect on the dynamic performance of the voltage magnitude of two voltage control schemes of photovoltaic generators connected to power systems. Fault-ride through (FRT)-based dynamic voltage support schemes with and without injection of reactive power are evaluated. Study cases in the IEEE 14-bus test system are presented in which the performance of the contingency voltage response is assessed from dynamic voltage indices. Results showed that with a control scheme for photovoltaic systems which injects reactive power into the power system in the transient stage it is possible to avoid problems of fault-induced delayed voltage recovery (FIDVR) and fast voltage collapses.
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