نتایج جستجو برای: phasor measurement unit
تعداد نتایج: 805314 فیلتر نتایج به سال:
افزایش روزافزون مصرف انرژی الکتریکی و مطرحشدن پدیده تجدید ساختار در شبکههای قدرت و مشکلات حاصل از آنها، باعث افزایش تمایل بهرهبرداران شبکههای قدرت به استفاده از WAMS (Wide Area Measurement System) به جای SCADA (Supervisory Control And Data Acquisition) شده است. یکی از مباحث مهم در WAMS کاهش هزینة جایابی بهینه PMU (Phasor Measurement Unit) و هزینه ساختار ارتباطی مربوط به آنها است. در این م...
in this paper, an efficient and comprehensive hybrid intelligent technique for the optimal placement of phasor measurement units (pmus) is proposed to minimize the number of pmu installation subjected to full network observability. three main purposes of pmus output synchronous measurements are monitoring, control, and protection of power system. we have combined binary imperialistic competitio...
Many operations in power grids, such as fault detection and event location estimation, depend on precise timing information. In this paper, a novel Time Synchronization Attack (TSA) is proposed to attack the timing information in smart grid. Since many applications in smart grid utilize synchronous measurements and most of the measurement devices are equipped with global positioning system (GPS...
Many operations in power grids, such as fault detection and event location estimation, depend on precise timing information. In this paper, a novel time stamp attack (TSA) is proposed to attack the timing information in smart grid. Since many applications in smart grid utilize synchronous measurements and most of the measurement devices are equipped with global positioning system (GPS) for prec...
Today, microgrids in distribution networks are dire need of improvement to cope with economic challenges, human losses, and equipment placement issues. there is the issue scattered resources systems, which has created many problems areas environment, economy, animal losses. The most important challenge this section existence voltage frequency fluctuations during occurrence possible events such ...
Advanced power system nowadays demands to ensure accurate estimate of the system states (bus voltages and angles) in order to ensure protection, monitoring, controlling and smooth running of the system. The conventional state estimator estimates the power system states based on the measurements obtained from the Supervisory Control and Data Acquisition (SCADA) system. Besides, the use of synchr...
The Eastern Interconnection Phasor Projects (EIPP) is a Department of Energy (DOE) and Consortium for Electric Reliability Technology Solutions (CERTS) initiative to deliver immediate value of phasor technology to the Eastern Interconnection (EI) participants. With the current EI phasor network comprising of approximately 25 Phasor Measurement Units (PMU) and 5 Phasor Data Concentrators (PDC) i...
افزایش روزافزون مصرف انرژی الکتریکی و مطرح شدن پدیده تجدید ساختار در شبکههای قدرت و مشکلات حاصل از آن ها، باعث افزایش تمایل بهرهبرداران شبکههای قدرت به استفاده از wams (wide area measurement system) به جای scada (supervisory control and data acquisition) شده است. یکی از مباحث مهم در wams کاهش هزینه جایابی بهینه pmu (phasor measurement unit) و هزینه ساختار ارتباطی مربوط به آن ها است. در این م...
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