NDLI: Impact of optimum power factor of PV-controlled inverter on the aging and cost-effectiveness of oil-filled transformer considering long-term characteristics

Content Provider	IET Digital Library
Author	Salama, Mohamed M. M. Mansour, Diaa Eldin A. Abdelmakasoud, Samir Mohamed Abbas, Ahmed A.
Abstract	The photovoltaic (PV) system is one of the most widespread of the renewable energy generation systems that are being used to meet the continuously increasing energy demand. A proposed analytical method is used to find the optimum power factor of PV inverter (PVI) that leads to minimum aging, reduced energy losses cost of the transformer, lower payback period of PV system, and lower green houses gases (GHG) emissions due to the transformer energy losses. In this study, the thermal performance of a 630 kVA mineral oil-filled transformer is simulated in MATLAB programming language. For an association, it is mandatory to connect a PV system to the grid to minimise the transformer loading. The PV output power is used to study the long-term impact of the solar irradiance on the transformer thermal performance. Also, the long-term climatic characteristics are considered. The ambient temperature surrounding the transformer is considered all day long. The load current profile was measured all day long. The results show the aging and cost-effectiveness of the transformer and the payback period of PV system and GHG emissions are a function of PVI power factor.
Starting Page	3574
Ending Page	3582
Page Count	9
ISSN	17518687
Volume Number	13
e-ISSN	17518695
Issue Number	Issue 16, Aug (2019)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-gtd/13/16
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-gtd.2019.0409
Journal	IET Generation, Transmission & Distribution
Publisher Date	2019-06-26
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	630 KVA Mineral Oil-filled Transformer Air Pollution Control Apparent Power 630.0 KVA Building Integrated Photovoltaics Continuously Increasing Energy Demand Control of Electric Power System Cost-effectiveness Invertors Long-term Characteristic Long-term Climatic Characteristic Long-term Impact Lower Green Houses Gases Lower Payback Period Minimum Aging Optimum Power Factor Organic Insulation Photovoltaic Power System Photovoltaic System Power Transformer PV Inverter PV Output Power PV System PV-controlled Inverter PVI Power Factor Reduced Energy Loss Cost Renewable Energy Generation System Renewable Energy Source Solar Power Stations Statistics Transformer And Reactors Transformer Energy Loss Transformer Loading Transformer Oil Transformer Thermal Performance
Content Type	Text
Resource Type	Article
Subject	Control and Systems Engineering Energy Engineering and Power Technology Electrical and Electronic Engineering

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