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:: Volume 1, Issue 9 (9-2018) ::
عصر برق 2018, 1(9): 3-10 Back to browse issues page
Under Frequency Load Shedding Studies of a Large Interconnected Power Grid Based on Dynamics Simulations
Farzan Rashidi
Abstract:   (415 Views)
The increasing consumption of electrical energy along with economic and environmental issues arising from the development of power systems cause to operation of power networks with full capacity and close to stability margin. This would reduce the safety margin against various instabilities and possible collapse of power system in the network. The protection of power systems to maintain stability in the face of various events is very important. One of the instability of power systems, which can lead to network collapses, the sudden disruption of the balance between production and consumption that is leads to collapse of the grid frequency. Among, load shedding can be an effective way to prevent the frequency instability. In this paper is proposed a practical approach based on the frequency drop to determine total load shedding (TLS). The performance of proposed method is implemented on Iran South East network using PSS/E and the obtained data are analyzed by MATLAB software. The simulation results show that the proposed scheme could be a very effective way to prevent the network collapse in case of simple, moderate and severe disturbances.
 
Keywords: Under frequency load shedding, stability margin, frequency drop, and imbalance
Full-Text [PDF 4932 kb]   (118 Downloads)    
Type of Study: Scientific-extension | Subject: Special
Received: 2018/04/21 | Accepted: 2018/06/22 | Published: 2018/09/23
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rashidi F. Under Frequency Load Shedding Studies of a Large Interconnected Power Grid Based on Dynamics Simulations. عصر برق. 2018; 1 (9) :3-10
URL: http://kiaeee.ir/article-1-135-en.html


Volume 1, Issue 9 (9-2018) Back to browse issues page
نشریه عصر برق - انجمن مهندسین برق و الکترونیک ایران - شاخه خراسان Khorasan Iranian Association of Electrical and Electronics Engineers (kiaeee)
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