A Review of Existing Microgrid Architectures

Table 3

PQ problems related to DG systems [8].

PQ problems	Wind; energy	Solar; energy	Micro/; small hydro	Diesel
Voltage sag/swell	•		•	•
Over/under voltage	•			•
Voltage unbalance		•
Voltage transient	•
Voltage harmonics	•	•	•
Flicker	•	•		•
Current harmonics	•	•	•
Interruption	•	•