Rampokanyo, Mpeli JIjumba-Kamera, Ketrine P2019-09-262019-09-262019-06Rampokanyo, M.J. and Ijumba-Kamera, K.P. 2019. Power system inertia in an inverter-dominated network. Journal of Energy in Southern Africa, vol. 30(2): 80-862413-30511021-447Xhttps://journals.assaf.org.za/index.php/jesa/article/view/6341https://dx.doi.org/10.17159/2413-3051/2019/v30i2a6341http://www.scielo.org.za/pdf/jesa/v30n2/07.pdfhttp://hdl.handle.net/10204/11139Article published under a Creative Commons Attribution License.Erosion of power system inertial energy due to high penetration levels of renewable energy (RE) sources in a power system is a current teething issue with most system operators across the globe. The main issue being displacement of synchronous generators with inverter-based based generators as the latter do not provide any inertial energy to the power system. The power system thereby becomes vulnerable to large system events (like sudden loss of a big generator or load) as these in an inverter-based system could result in catastrophes such as total collapse of the whole power system due to rapid rate of change of frequency (RoCoF). This paper will focus on power system inertia as RE penetration levels increase and will also explore possible mitigation measures such as demand response (DR) techniques.enRenewable energyREInertiaPower system inertiaDemand responseDRRate of change frequencyRoCoFPenetration levelsFrequency responseStored rotational energyArticleRampokanyo, M. J., & Ijumba-Kamera, K. P. (2019). Power system inertia in an inverter-dominated network. http://hdl.handle.net/10204/11139Rampokanyo, Mpeli J, and Ketrine P Ijumba-Kamera "Power system inertia in an inverter-dominated network." (2019) http://hdl.handle.net/10204/11139Rampokanyo MJ, Ijumba-Kamera KP. Power system inertia in an inverter-dominated network. 2019; http://hdl.handle.net/10204/11139.TY - Article AU - Rampokanyo, Mpeli J AU - Ijumba-Kamera, Ketrine P AB - Erosion of power system inertial energy due to high penetration levels of renewable energy (RE) sources in a power system is a current teething issue with most system operators across the globe. The main issue being displacement of synchronous generators with inverter-based based generators as the latter do not provide any inertial energy to the power system. The power system thereby becomes vulnerable to large system events (like sudden loss of a big generator or load) as these in an inverter-based system could result in catastrophes such as total collapse of the whole power system due to rapid rate of change of frequency (RoCoF). This paper will focus on power system inertia as RE penetration levels increase and will also explore possible mitigation measures such as demand response (DR) techniques. DA - 2019-06 DB - ResearchSpace DP - CSIR KW - Renewable energy KW - RE KW - Inertia KW - Power system inertia KW - Demand response KW - DR KW - Rate of change frequency KW - RoCoF KW - Penetration levels KW - Frequency response KW - Stored rotational energy LK - https://researchspace.csir.co.za PY - 2019 SM - 2413-3051 SM - 1021-447X T1 - Power system inertia in an inverter-dominated network TI - Power system inertia in an inverter-dominated network UR - http://hdl.handle.net/10204/11139 ER -