{"id":3424,"date":"2023-10-10T11:25:17","date_gmt":"2023-10-10T11:25:17","guid":{"rendered":"https:\/\/deqepub.org\/ejees\/?post_type=journal_article&#038;p=3424"},"modified":"2025-06-17T18:01:25","modified_gmt":"2025-06-17T18:01:25","slug":"development-of-a-model-for-improving-power-system-voltage-stability-in-nigerian-330kv-48-bus-network-during-loss-of-equivalent-network","status":"publish","type":"journal_article","link":"https:\/\/deqepub.org\/ejees\/journal_article\/development-of-a-model-for-improving-power-system-voltage-stability-in-nigerian-330kv-48-bus-network-during-loss-of-equivalent-network\/","title":{"rendered":"Development of a Model for Improving Power System Voltage Stability in Nigerian 330kv 48-Bus Network During Loss of Equivalent Network"},"content":{"rendered":"\n<p><a><strong>Aneke, Chinedu<sup>1*<\/sup>, Prof. Eneh, Innocent Ifeanyichukwu<sup>2<\/sup> and Iyidiobi, Jonathan Chijindu PhD<sup>3<\/sup><\/strong><\/a><br><sup>123<\/sup>Department of Electrical and Electronic Engineering, Enugu State University of Science and Technology, Enugu<\/p>\n\n\n\n<p><strong>ABSTRACT<\/strong><\/p>\n\n\n\n<p><em>This research work aims at improving the voltage stability of the Nigerian 330KV Power network using Hybrid devices \u2013 Unified Power Flow Controller (UPFC) and Static Var Compensator (SVC) \u2013 of FACTS devices. The electric power system voltage stability is being threatened by disturbances in different ways such that the system becomes unstable. The threat which emerges as loss of generation to switching, change in loads, and fault conditions creates an adverse effect on Nigerian power system. The undesirable impact of the disturbances can be so severe that both the utility providers and consumers suffer seriously. The instability on the network causes frequent outages cascaded blackouts and sometimes voltage collapse. This increases production cost for industrial consumers and reduces national development. Unfortunately, the attempts made, to resolve this problem has not given a maximum result. Line and Bus data used as input data were collected from Transmission Company of Nigeria. Load flow was performed first as a straw test to know if the system was healthy or not, and consequently continuation power flow was also run to determine the critical buses that need to be compensated. The models of UPFC and SVC were developed. An equivalent network of the 48-bus 330KV network was created. Artificial neural network controllers were created and trained to optimize the compensating capacity of the hybrid device. To enhance the voltage stability of the Nigerian 330KV 48-bus network during the contingency of loss of equivalent on the line. The hybrid device (UPFC-SVC) was connected to the network and simulated and the result showed that it improved the power system stability by 25% as against when the system was not compensated.<\/em><\/p>\n\n\n\n<p><strong><em>Keywords<\/em><\/strong><em>: Improving Power System Voltage Stability; Nigerian 330kv 48-Bus Network; During Loss of Equivalent Network<\/em><\/p>\n\n\n\n<p><strong><em>Citation: <\/em><\/strong>Aneke, C., Eneh, I. I. &amp; Iyidiobi, J. C. (2023). Development of a Model for Improving Power System Voltage Stability in Nigerian 330kv 48-Bus Network During Loss of Equivalent Network. <em>European Journal of Engineering and Environmental Sciences 7(4), 12-23. DOI: <\/em><a href=\"https:\/\/doi.org\/10.5281\/zenodo.8425318\"><em>https:\/\/doi.org\/10.5281\/zenodo.8425318<\/em><\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/deqepub.org\/ejees\/wp-content\/uploads\/sites\/12\/2023\/10\/EJEES-7.4-12-23.pdf\">FULL PDF<\/a><\/p>\n\n\n\n<p><strong><em>Copyright<\/em><\/strong>\u00a92023 The Authors. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.<\/p>\n","protected":false},"author":1,"template":"","journal_article_cats":[174],"class_list":["post-3424","journal_article","type-journal_article","status-publish","hentry","journal_article_cat-vol-7-no-4"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.2 (Yoast SEO v26.2) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Development of a Model for Improving Power System Voltage Stability in Nigerian 330kv 48-Bus Network During Loss of Equivalent Network - European Journal of Engineering and Environmental Sciences<\/title>\n<meta name=\"description\" content=\"This research work aims at improving the voltage stability of the Nigerian 330KV Power network using Hybrid devices \u2013 Unified Power Flow Controller (UPFC) and Static Var Compensator (SVC) \u2013 of FACTS devices. The electric power system voltage stability is being threatened by disturbances in different ways such that the system becomes unstable. The threat which emerges as loss of generation to switching, change in loads, and fault conditions creates an adverse effect on Nigerian power system. The undesirable impact of the disturbances can be so severe that both the utility providers and consumers suffer seriously. The instability on the network causes frequent outages cascaded blackouts and sometimes voltage collapse. This increases production cost for industrial consumers and reduces national development. Unfortunately, the attempts made, to resolve this problem has not given a maximum result. Line and Bus data used as input data were collected from Transmission Company of Nigeria. Load flow was performed first as a straw test to know if the system was healthy or not, and consequently continuation power flow was also run to determine the critical buses that need to be compensated. The models of UPFC and SVC were developed. An equivalent network of the 48-bus 330KV network was created. Artificial neural network controllers were created and trained to optimize the compensating capacity of the hybrid device. To enhance the voltage stability of the Nigerian 330KV 48-bus network during the contingency of loss of equivalent on the line. The hybrid device (UPFC-SVC) was connected to the network and simulated and the result showed that it improved the power system stability by 25% as against when the system was not compensated. Keywords: Improving Power System Voltage Stability; Nigerian 330kv 48-Bus Network; During Loss of Equivalent Network\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/deqepub.org\/ejees\/journal_article\/development-of-a-model-for-improving-power-system-voltage-stability-in-nigerian-330kv-48-bus-network-during-loss-of-equivalent-network\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Development of a Model for Improving Power System Voltage Stability in Nigerian 330kv 48-Bus Network During Loss of Equivalent Network\" \/>\n<meta property=\"og:description\" content=\"This research work aims at improving the voltage stability of the Nigerian 330KV Power network using Hybrid devices \u2013 Unified Power Flow Controller (UPFC) and Static Var Compensator (SVC) \u2013 of FACTS devices. The electric power system voltage stability is being threatened by disturbances in different ways such that the system becomes unstable. The threat which emerges as loss of generation to switching, change in loads, and fault conditions creates an adverse effect on Nigerian power system. The undesirable impact of the disturbances can be so severe that both the utility providers and consumers suffer seriously. The instability on the network causes frequent outages cascaded blackouts and sometimes voltage collapse. This increases production cost for industrial consumers and reduces national development. Unfortunately, the attempts made, to resolve this problem has not given a maximum result. Line and Bus data used as input data were collected from Transmission Company of Nigeria. Load flow was performed first as a straw test to know if the system was healthy or not, and consequently continuation power flow was also run to determine the critical buses that need to be compensated. The models of UPFC and SVC were developed. An equivalent network of the 48-bus 330KV network was created. Artificial neural network controllers were created and trained to optimize the compensating capacity of the hybrid device. To enhance the voltage stability of the Nigerian 330KV 48-bus network during the contingency of loss of equivalent on the line. The hybrid device (UPFC-SVC) was connected to the network and simulated and the result showed that it improved the power system stability by 25% as against when the system was not compensated. Keywords: Improving Power System Voltage Stability; Nigerian 330kv 48-Bus Network; During Loss of Equivalent Network\" \/>\n<meta property=\"og:url\" content=\"https:\/\/deqepub.org\/ejees\/journal_article\/development-of-a-model-for-improving-power-system-voltage-stability-in-nigerian-330kv-48-bus-network-during-loss-of-equivalent-network\/\" \/>\n<meta property=\"og:site_name\" content=\"European Journal of Engineering and Environmental Sciences\" \/>\n<meta property=\"article:modified_time\" content=\"2025-06-17T18:01:25+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/deqepub.org\/ejees\/journal_article\/development-of-a-model-for-improving-power-system-voltage-stability-in-nigerian-330kv-48-bus-network-during-loss-of-equivalent-network\/\",\"url\":\"https:\/\/deqepub.org\/ejees\/journal_article\/development-of-a-model-for-improving-power-system-voltage-stability-in-nigerian-330kv-48-bus-network-during-loss-of-equivalent-network\/\",\"name\":\"Development of a Model for Improving Power System Voltage Stability in Nigerian 330kv 48-Bus Network During Loss of Equivalent Network - European Journal of Engineering and Environmental Sciences\",\"isPartOf\":{\"@id\":\"https:\/\/deqepub.org\/ejees\/#website\"},\"datePublished\":\"2023-10-10T11:25:17+00:00\",\"dateModified\":\"2025-06-17T18:01:25+00:00\",\"description\":\"This research work aims at improving the voltage stability of the Nigerian 330KV Power network using Hybrid devices \u2013 Unified Power Flow Controller (UPFC) and Static Var Compensator (SVC) \u2013 of FACTS devices. The electric power system voltage stability is being threatened by disturbances in different ways such that the system becomes unstable. The threat which emerges as loss of generation to switching, change in loads, and fault conditions creates an adverse effect on Nigerian power system. The undesirable impact of the disturbances can be so severe that both the utility providers and consumers suffer seriously. The instability on the network causes frequent outages cascaded blackouts and sometimes voltage collapse. This increases production cost for industrial consumers and reduces national development. Unfortunately, the attempts made, to resolve this problem has not given a maximum result. Line and Bus data used as input data were collected from Transmission Company of Nigeria. Load flow was performed first as a straw test to know if the system was healthy or not, and consequently continuation power flow was also run to determine the critical buses that need to be compensated. The models of UPFC and SVC were developed. An equivalent network of the 48-bus 330KV network was created. Artificial neural network controllers were created and trained to optimize the compensating capacity of the hybrid device. To enhance the voltage stability of the Nigerian 330KV 48-bus network during the contingency of loss of equivalent on the line. The hybrid device (UPFC-SVC) was connected to the network and simulated and the result showed that it improved the power system stability by 25% as against when the system was not compensated. 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The electric power system voltage stability is being threatened by disturbances in different ways such that the system becomes unstable. The threat which emerges as loss of generation to switching, change in loads, and fault conditions creates an adverse effect on Nigerian power system. The undesirable impact of the disturbances can be so severe that both the utility providers and consumers suffer seriously. The instability on the network causes frequent outages cascaded blackouts and sometimes voltage collapse. This increases production cost for industrial consumers and reduces national development. Unfortunately, the attempts made, to resolve this problem has not given a maximum result. Line and Bus data used as input data were collected from Transmission Company of Nigeria. Load flow was performed first as a straw test to know if the system was healthy or not, and consequently continuation power flow was also run to determine the critical buses that need to be compensated. The models of UPFC and SVC were developed. An equivalent network of the 48-bus 330KV network was created. Artificial neural network controllers were created and trained to optimize the compensating capacity of the hybrid device. To enhance the voltage stability of the Nigerian 330KV 48-bus network during the contingency of loss of equivalent on the line. The hybrid device (UPFC-SVC) was connected to the network and simulated and the result showed that it improved the power system stability by 25% as against when the system was not compensated. 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The electric power system voltage stability is being threatened by disturbances in different ways such that the system becomes unstable. The threat which emerges as loss of generation to switching, change in loads, and fault conditions creates an adverse effect on Nigerian power system. The undesirable impact of the disturbances can be so severe that both the utility providers and consumers suffer seriously. The instability on the network causes frequent outages cascaded blackouts and sometimes voltage collapse. This increases production cost for industrial consumers and reduces national development. Unfortunately, the attempts made, to resolve this problem has not given a maximum result. Line and Bus data used as input data were collected from Transmission Company of Nigeria. Load flow was performed first as a straw test to know if the system was healthy or not, and consequently continuation power flow was also run to determine the critical buses that need to be compensated. 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The models of UPFC and SVC were developed. An equivalent network of the 48-bus 330KV network was created. Artificial neural network controllers were created and trained to optimize the compensating capacity of the hybrid device. To enhance the voltage stability of the Nigerian 330KV 48-bus network during the contingency of loss of equivalent on the line. The hybrid device (UPFC-SVC) was connected to the network and simulated and the result showed that it improved the power system stability by 25% as against when the system was not compensated. 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