Due to the abundance of power electronic appliances, harmonic distortion has become one of the growing power quality concerns in recent years. Harmonic distortion is also caused by the nonlinearity of other power equipment such as transformers and rotating machines. Power systems, rich in harmonics, offer poor power factor and hence low efficiency operation. Due to the large concentration of nonlinear loads such as motor drives, investigation of harmonic distortion in industrial systems is getting special attention. Widespread integration of solar Photovoltaic (PV) systems into distribution systems brings additional challenges to the existing power quality scenario. Inclusion of solar PV systems in an industrial microgrid equipped with a large share of motor drives results in a significant increase in existing Total Harmonic Distortion (THD). To better understand the above issues, a methodology is proposed in this paper to identify the most suitable PV placement topology between the two schemes (namely, centralized and distributed) in terms of THD performance. Also, a technique is developed to estimate the maximum PV penetration level by maintaining the THD within the given acceptable limit. The proposed methodologies are applied to an industrial distribution system under various operating conditions.
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September 2018
Research Article|
October 31 2018
Investigation of harmonic distortions in photovoltaic integrated industrial microgrid
Tareq Aziz;
Tareq Aziz
a)
1
Department of Electrical and Electronic Engineering, Ahsanullah University of Science and Technology
, Dhaka, Bangladesh
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Mushfiqul Ahmed;
Mushfiqul Ahmed
a)
1
Department of Electrical and Electronic Engineering, Ahsanullah University of Science and Technology
, Dhaka, Bangladesh
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Nahid-Al-Masood
Nahid-Al-Masood
b)
2
Department of Electrical and Electronic Engineering, Bangladesh University of Engineering and Technology
, Dhaka, Bangladesh
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a)
Electronic addresses: aziz.tareq@gmail.com and mushfiqulahmed025@gmail.com
b)
Email: nahid@eee.buet.ac.bd
J. Renewable Sustainable Energy 10, 053507 (2018)
Article history
Received:
March 29 2018
Accepted:
October 12 2018
Citation
Tareq Aziz, Mushfiqul Ahmed, Nahid-Al-Masood; Investigation of harmonic distortions in photovoltaic integrated industrial microgrid. J. Renewable Sustainable Energy 1 September 2018; 10 (5): 053507. https://doi.org/10.1063/1.5031181
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