Power management scheme development for large-scale solar grid integration
Tóm tắt
As solar power is an intermittent source of energy, it causes uncertainties when connected to the electrical grid. This work presents an optimised power management system for the integration of large-scale solar with improved voltage profile and power quality in compliance with the Malaysian Grid Code Requirements of 0.95–1.05 p.u. at the Point of Common Coupling. An integration of volt-var regulation using a smart inverter for solar photovoltaic system and optimised capacitor placements to attain a voltage profile close this Grid Code Requirements on all buses in the IEEE-9 bus will be carried out. The 116 MWp (peak) solar farm will be modelled to obtain the load profile of electricity injected into the grid on an annual hourly basis. This will be used to model the solar bus in the power system to test the changes in voltage profile, voltage deviations and reactive power flow. In the final results, the voltage profile improved to a range of 0.94–1.01 p.u. in the IEEE-9 bus even for the worse case scenarios of solar power penetration which happens from 12 to 1 pm.
Tài liệu tham khảo
SEDA (2021) ‘Malaysia renewable energy roadmap, pathway towards low carbon energy system’, [online], available at: https://www.seda.gov.my/reportal/wp-content/uploads/2021/12/MyRER_webVer-1.pdf. Accessed 22 Dec 2022
Muzathik A (2013) Potential of global solar radiation in Terengganu, Malaysia. Int J Energy Eng 3:130–136
Pompodakis EE, Drougakis IA, Lelis IS, Alexiadis MC (2016) Photovoltaic systems in low-voltage networks and overvoltage correction with reactive power control. IET Renew Power Gener 10(3):410–417. https://doi.org/10.1049/iet-rpg.2014.0282
Mohanan M, Go YI (2020) Optimised power system management scheme for LSS PV grid integration in Malaysia using reactive power compensation technique. Glob Chall 4(4):1–12. https://doi.org/10.1002/gch2.201900093
Jurák V, Bukvišová Z, Orságová J, Topolánek D, Ptáček M (2020) Compensation of reactive power in LV network and its impact on reactive power flow through distribution grid. In: 2020 21st international scientific conference on electric power engineering (EPE). Prague, Czech Republic: CVUT—Czech Technical University in Prague, pp 1–5
Peprah F, Gyamfi S, Effah-Donyina E, Amo-Boateng M (2022) Evaluation of reactive power support in solar PV prosumer grid. ePrime Adv Electr Eng Electron Energy 2:100057. https://doi.org/10.1016/j.prime.2022.100057
Pereira LDL, Yahyaoui I, Fiorotti R, de Menezes LS, Fardin JF, Rocha HRO, Tadeo F (2022) Optimal allocation of distributed generation and capacitor banks using probabilistic generation models with correlations. Appl Energy 307:118097. https://doi.org/10.1016/j.apenergy.2021.118097
Souri S, Shourkaei HM, Soleymani S, Mozafari B (2022) Flexible reactive power management using PV inverter overrating capabilities and fixed capacitor. Electr Power Syst Res 209:107927. https://doi.org/10.1016/j.epsr.2022.107927
Nusair K, Alasali F, Hayajneh A, Holderbaum W (2021) Optimal placement of FACTS devices and power-flow solutions for a power network system integrated with stochastic renewable energy resources using new metaheuristic optimization techniques. Int J Energy Res 45(13):18786–18809. https://doi.org/10.1002/er.6997
Coara Solar (2021) Project description: Coara Marang solar plant. https://www.coarasolar.com/coara-marang-solar-plant/. Accessed 29 Mar 2021
Khatib T, Mohamed A, Sopian K (2012) Optimization of a PV/wind micro-grid for rural housing electrification using a hybrid iterative/genetic algorithm: case study of Kuala Terengganu, Malaysia. Energy Build 47:321–331
PVsyst Photovoltaic Software (2021) Home: a powerful software for your photovoltaic systems. https://www.pvsyst.com/. Accessed 28 June 2021
Siemens (2021) PSS SINCAL 17.0. Siemens AG, pp 21–28
McGlashan K (2017) An economic analysis of injecting energy storage into power systems containing renewables. Master Thesis. Worcester Polytechnic Institute
Tenaga Nasional Berhad (2021) Grid code requirements. https://www.tnb.com.my/search/results/search?keywords=malaysian+grid+code. Accessed 1 June 2021