نتایج جستجو برای: tcsc
تعداد نتایج: 458 فیلتر نتایج به سال:
طوفانهای مغناطیسی ناشی از فعالیتهای خورشیدی باعث جاری شدن جریانهای سرگردان (gic) در شبکه قدرت و ایجاد اختلال در عملکرد صحیح این سیستم می شوند. از اختلال در عملکرد ترانسفورماتورهای قدرت گرفته تا ایجاد مشکلاتی چون ناپایداری ولتاژ شبکه از اثرات gic بر شبکه قدرت هستند. در این رساله به بررسی اثرات gic بر ترانسفورماتورها و ادوات facts همچون svc و tcsc پرداخته خواهد شد. با مدل کردن gic در شبکه قدرت در...
The optimal power flow issue (OPFI) can be solved in this work using the recently developed algorithm, gorilla troops algorithm (GTA). goal of OPFI is to reduce numerous functions such as minimizing fuel costs, emissions, and losses improving voltage stability related electric networks (EPNs). GTA inspired by gorillas’ social habits, which include migration a strange region, toward specified sp...
The usage of renewable energy sources in the power sector has increased day by to preserve non-renewable resources from extinction. growth earnings electricity market also become a critical part as generated integrated system is fluctuating nature. For renewable-associated system, abundant during low-demand hours. These excess units are available due presence like solar, wind, etc. So, better w...
This paper proposes two new methodologies for the placement of series FACTS devices in deregulated electricity market to reduce congestion. imilar to sensitivity factor based method, the proposed methods form a priority list that reduces the solution space. The proposed methodologies are ased on the use of LMP differences and congestion rent, respectively. The methods are computationally effici...
In the emerging deregulated electric power market, congestion management becomes extremely important and it can impose barrier to electric power trading. There are t w o types of congestion management methodologies to relieve congestion in transmission lines. One is non-cost free methods and another is cost-free methods, among them later method relieves the congestion technically whereas the fo...
This paper presents the application of the Modified Particle Swarm Optimization (MPSO) technique for optimal settings zones for distance relay protect 400 kV single transmission line of Eastern Algerian transmission networks at Algerian Company of Electrical and Gas (Group Sonelgaz) compensated by Thyristor Controlled Series Capacitor (TCSC) connected at midpoint for minimized active and reacti...
This paper presents the introduction of various FACTS controllers such as SVC, TCSC, TCPAR or TCPAT, SSSC, STATCOM, UPFC, IPFC, GUPFC, HPFC for operation, control, planning & protection from different performance point of view such as increased the loadability, improve the voltage profile, minimize the active power losses, increased the available transfer capacity, enhance the transient and ste...
The paper mainly deals about the application of flexible AC transmission system (FACTS) to increase the power transfer capabilities for new operating scenarios in the bulk power systems. With the effect of FACTS technology improves transmission capabilities to reduce the system losses, and also improves the loadability of the power system. FACTs technology allows a better utilization existing t...
Due to the ever increasing demand for power, environmental constraints in expansion of transmission networks and the emerging scenario of restructuring of power system networks, the transmission lines are prone to be operated under heavily stressed conditions. In such a heavily stressed condition, there is a risk of line outage and the consequent voltage instability. This necessitates voltage s...
In this paper, a novel method using Bees Algorithm is proposed to determine the optimal allocation of FACTS devices for maximizing the Available Transfer Capability (ATC) of power transactions between source and sink areas in the deregulated power system. The algorithm simultaneously searches the FACTS location, FACTS parameters and FACTS types. Two types of FACTS are simulated in this study na...
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