Study of power quality at the point of common coupling of a low voltage grid and a distributed generation system of 7.8 kWp in a tropical region

摘要: In this paper we analyze an experimental 1000 kWh/month distributed generation system in a tropical region connected to point of common coupling low voltage grid that was characterized according NTC 5001. This photovoltaic has 7.8 kWp and uses 30 polycrystalline silicon-panels 260 Wp each. Its maximum energy produced 850 kWh/month, equivalent 72.65% the installed capacity. Finally, there increase 2% with respect minimum value recorded. The unbalance decreases between 3.5 70% harmonics each line increased by 7% on U1, 0.8% U2, 3% U3 current have 22% increase. Likewise, total active reactive power were 58% 42% respectively, thermography study allowed establish temperature at 7.5%. Therefore, it is expected can serve as reference for application Colombian law 1715 solar energy.