نتایج جستجو برای: dstatcom
تعداد نتایج: 269 فیلتر نتایج به سال:
آنالیز و شبیه سازی d-statcom مبتنی مالتی سل اینورترها به منظور بهبود برخی از شاخص های مهم کیفیت توان
امروزه اکثر بارهای موجود در شبکه ی توزیع موجب تبادل توان راکتیو در شبکه می شوند که موجب افزایش تلفات در فیدرها و کاهش قابلیت پخش توان اکتیو در این شبکه ها می شود. در نتیجه، جبران توان راکتیو در شبکه توزیع که روزبه روز در حال افزایش است، بسیار حائز اهمیت می باشد. علاوه بر این، کیفیت توان در سال های اخیر بطور جدی مورد توجه موسسات برق و مصرف کنندگان قرار گرفته است که در این میان، کم بود و اضافه ول...
Solid state power converters are widely used in applications such as Adjustable speed drives (ASD), Static power supplies. Hence it affects the power quality (i.e.) related to non-standard voltage, current and frequency at the load side. In this paper an attempts has been to analyses the role of D-Statcom (Distribution static compensator) and located at load side in the distribution system, whi...
Through this article, a novel random structure is depicted to shape the uncertainty result of the active and reactive loads in the DSTATCOM allocation and problem in sizing. The planned technique has 2m+1 point approximation method (PEM) to capture the random associated with the anticipated fault of the loads. The aims are minimization of the entire active power losses which lessen the voltage ...
A Novel Stochastic Framework for the Optimal Placement and Sizing of Distribution Static Compensator
This paper proposes a new stochastic framework based on the probabilistic load flow to consider the uncertainty effects in the Distribution Static Compensator (DSTATCOM) allocation and sizing problem. The proposed method is based on the point estimate method (PEM) to capture the uncertainty associated with the forecast error of the loads. In order to explore the search space globally, a new opt...
An uninterrupted supply of high quality power to customers in a secure and economic environment is the goal of power system engineers. An important task in power system operation is to decide whether the system, at a given point of time, operates safely, critically and optimally while the system operates safely. In this thesis work the problem of power quality of voltage sag is detected by arti...
Custom power devices such as dynamic voltage restorer (DVR) and DSTATCOM are used to improve the power quality in distribution systems. These devices require real power to compensate the deep voltage sag during sufficient time. An interline DVR (IDVR) consists of several DVRs in different feeders. In this paper, a neural network is proposed to control the IDVR performance to achieve optimal mit...
Three-Phase four-wire distribution systems are facing severe power quality problems such as poor voltage regulation, high reactive power and harmonics current burden, load unbalancing, excessive neutral current, etc.This creates excessive neutral current both of fundamental and harmonic frequency and the neutral conductor gets overloaded. By integrating phase shifting into an extremely low zero...
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