VOLTAGE LEVEL CONTROL IN WEAK DISTRIBUTION NETWORKS WITH DG BY USING HYBRID REACTIVE POWER COMPENSATIONS
DOI:
https://doi.org/10.11113/jt.v78.8807Keywords:
Hybrid reactive power compensations, DSTATCOM, capacitor banksAbstract
The hybrid reactive power compensations, using capacitor banks and distribution static compensator (DSTATCOM) in the coordinated manner, are introduced to enhance voltage level control performances in weak distribution networks with the increasing of distributed generation (DG), such as in the rural areas. While the conventional compensation using capacitor banks gives the poor dynamic voltage control, these hybrid compensations are the cost effective solution which can deal with both under-and over-voltage changes, either short- or long duration voltage variations. The dynamic voltage control performances are demonstrated under various operating scenarios using the test system implemented in DIgSILENTPowerFactory. The simulation results showed that this approach can improve voltage controllability in weak distribution networks with DG effectively. Â
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