Journal of Electrical Engineering : Volume 19 / 2019 - Edition : 1

POWER QUALITY ANALYSIS OF DISTRIBUTION NETWORK WITH LARGE SCALED PHOTOVOLTAIC DISTRIBUTED GENERATION SYSTEM

Authors:
Kyaw Myo Lin, Yan Aung Oo, Pyone Lai Swe
Domain:
industrial electrical power systems
Abstract:
This paper investigates the dynamic behavior of practical distribution network with integration of photovoltaic distributed generation (PVDG). This paper also aims to access the power quality issues such as voltage variation and reactive power control, flicker voltage range as well as total demand distortion (TDD) and total harmonic distortion (THD) with large PVDG penetration. One practical distribution network of EPRI is selected as case study with 7.5 MW PVDG. Power quality issues are investigated by modeling and simulation with Open Distribution System Simulator (OpenDSS). Investigation and observation with simulated results confirmed that the proper usage of inverter control capability should be from unity to 0.9 leading and lagging. It is concluded that large integration of PVDG may not cause any extensive voltage deformation on steady state functioning conditions of distribution system.
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