Power System Stability Impact of 2 MW Grid-Connected Photovoltaic Generation in Iraq-Sulaymaniyah
Abstract
Penetration of photovoltaic (PV) systems increases the energy efficiency of electrical networks by reducing electricity losses and improving the network voltage profile. Nonetheless, perhaps the undesirable outcomes are the issues of power and voltage fluctuation, malfunctioning of protective devices, under loading and overloading of feeders and harmonic distortion. Thus, the dynamic voltage instability is highly affected by the parameters of PV system, like cloud shedding effects, temperature, and rapid alteration in solar radiation. This study will investigate Power system stablity impacts of 2000 kW grid-connected PV generation model at particularly on voltage and frequency stability. In the first step, full characteristic and the design of 2000 kW PV generation will be define. İn addition, related control and the related working response will also be studied. This model and it’s interactions with the power system frequency and voltage will be analayzed by Matlab simulation. By applying the system model, throughout abnormal circumstances, like disturbances in the grid voltage at point of common coupling (PCC) and in the grid source voltage, loss of grid system, fault, frequency, load, and irradiance changing will be investigated and will be documented. The simulation outcomes are conducted.
References
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Li H. et al. 2012. Real and Reactive Power Control of a Three-Phase Single-Stage PV System and PV Voltage Stability. – Power and Energy Society General Meeting, 2012, DOI:10.1109/PESGM. 2012.6343965.
Elgamal M. et al. An Optimal Day-Ahead Operation Strategy for Hybrid Energy Microgrid. – IEEE Conference of Russian Young Researchers in Electrical and Electronic Engineering, 2019, pp. 489–494, DOI:10.1109/EIConRus.2019.8657280.
MITSUGI Y., YOKOYAMA A. Phase Angle and Voltage Stability Assessment in Multi-Machine Power System with Massive Integration of PV Considering PV” s FRT Requirements and Dynamic Load Characteristics. – Power System Technology (POWERCON), 2014, DOI: 10.1109/POWERCON.2014.6993977.
Refaat A., Osman M.H., Korovkin N.V. Optimum Power Extraction from Non-Uniform Aged PV Array Using Current Collector Optimizer Topology. – Elektrichestvo, 2019, No. 10, pp. 54–60.
Yan R., Saha T.K. Investigation of Voltage Stability for Residential Customers Due to High Photovoltaic Penetrations. – IEEE Transactions on Power Systems, 2012, vol. 27(2), pp. 651–662, DOI: 10.1109/TPWRS.2011.2180741.
Refaat A., Elgamal M., Korovkin N.V. A Novel Grid-Connected Photovoltaic Centralized Inverter Topology to Improve the Power Harvest during Partial Shading Condition. – Elektrichestvo, 2019, No. 7, pp. 59–68.
El Nozahya M.S., Salama M.M.A. Technical Impacts of Grid-Connected Photovoltaic Systems on Electrical Networks. Department of Electrical and Computer Engineering – A Review. – Journal of Renewable and Sustainable Energy, 2013, vol. 5(3), DOI:10.1063/1.4808264.
Osman M.H., Refaat A., Korovkin N.V. A Novel Method to Extract Single-Diode PV Parameters Based on Datasheet Values. – Elektrichestvo, 2021, No. 2, pp. 16–21.
Mahmud M.A., Pota H.R., Hossain M.J. Dynamic Stability of Three-Phase Grid-Connected Photovoltaic System using Zero Dynamic Design Approach. – IEEE Journal of Photovoltaics, 2012, vol. 2(4), pp. 564–571, DOI:10.1109/JPHOTOV.2012.2195551.
Refaat A., Korovkin N. A New Photovoltaic Current Collector Optimizer to Enhance the Performance of Centralized Inverter Topologies. – Advances in Intelligent Systems and Computing, 2020, vol. 982 (1), pp. 216–224, DOI:10.1007/978-3-030-19756-8_20.
Kamaruzzaman Z.A. et al. Effect of Grid-Connected Photovoltaic Systems on Static and Dynamic Voltage Stability with Analysis Techniques. – Przeglad Elektrotechniczny, 2015, vol. 91(6), pp. 135–140, DOI:10.15199/48.2015.06.27.
Refaat A., Elgamal M., Korovkin N.V. A Novel Photovoltaic Current Collector Optimizer to Extract Maximum Powerduring Partial Shading or Mismatch Conditions. – IEEE Conference of Russian Young Researchers in Electrical and Electronic Engineering, 2019, pp. 407–412, DOI:10.1109/EIConRus.2019.8657173.
Kabir S., Nadarajah M., Bansal R. Impact of Large-Scale Photovoltaic System on Static Voltage Stability in Sub-Transmission Network. – ECCE Asia Downunder, 2013, DOI:10.1109/ECCE-Asia.2013.6579138.
Kabir S., Krause O., Bartlett S. Impact of Large-Scale Photovoltaic System on Short- and Long-Term Voltage Stability in Sub-Transmission Network. – Australasian Universities Power Engineering Conference (AUPEC), 2013, DOI: 10.1109/AUPEC.2013.6725355.
Amarasekara H.W.K.M. et al. Impact of Renewable Power Integration on VQ Stability Margin. – Australasian Universities Power Engineering Conference (AUPEC), 2013, DOI: 10.1109/AUPEC. 2013.6725356.
Xiaoyan X. et al. Modelling of Large Grid-Integrated PV Station and Analysis its Impact on Grid Voltage. – International Conference on Sustainable Power Generation and Supply, 2009, DOI:10.1109/SUPERGEN.2009.5348187
