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Voltage Sags in Photovoltaic Systems

Category: PQ Theory, Distributed Generation

Voltage Sags in Photovoltaic SystemsVoltage Sags in Photovoltaic Systems_03

Read the impact of voltage sags in photovoltaic systems and the result of this event.


Photovoltaic (PV) generation is electrically in parallel with the utility supply, and thus lowers the steady-state system impedance. The ideal result is a reduction in locally caused voltage sags as the PV system supplies power to high-current loads.


The actual result can be an increase in voltage sag severity, due to the design of typical PV inverters. The reasons for this unfortunate result are presented here, along with a real-world example.


This Whitepaper Includes:

  • Simple Distributed Generation Model
  • PV Inverter

Download White Paper Here