نتایج جستجو برای: جایابی dstatcom
تعداد نتایج: 865 فیلتر نتایج به سال:
اگرچه گزینههای مختلفی از قبیل خاک چالها، سوزاندن زبالهها، تبدیل به کود و تجزیه بیهوازی برای دفع پسماندهای شهری وجود دارد ولی معمولترین روش در کشورهای در حال توسعه روش دفن زباله است. انتخاب جایگاه مناسب برای خاک چالها یکی از مهمترین بخشهای فرایند دفن زباله است. روشهای مختلفی برای جایابی خاک چالها در منابع معرفی شده است. طی فرایند جایابی خاک چال ها، با استفاده از پارامترهای مختلف شامل لا...
The work delineated in this paper deals with the reduced sensor-based operation of PV-DSTATCOM (Photovoltaic distribution static compensator) focusing on voltage source inverter (VSI) switch current limiting control. In study, soft computing technique control based variable leaky least mean square (VLLMS) algorithm is modified to incorporate both sensor and schemes. DSTATCOM predominantly intro...
Abstract This paper presents the shunt compensation performance of quasi-Z-source inverter (QZSI) and back to connected QZSIs (BB-QZSI) address power quality (PQ) issues in three-phase three-wire utility network (PUN). Generally, these PQ are poor voltage regulation, low factor (PF), source current distortion, unbalanced voltage, etc. The proposed BBQZSI-based distribution static compensator (D...
One of the main problems in wind energy generation is the connection to the grid. Injection of wind power into the grid affects the power quality resulting in poor performance of the system. The wind energy system faces frequently fluctuating voltage due to the nature of wind and introduction of harmonics into the system. The influence of the wind turbine in the grid system concerning the power...
In present day's energy conveyance frameworks is experiencing serious force quality issues. These force quality issues incorporate high responsive force trouble, music momentums, burden unbalance, unreasonable unbiased current and so forth. A few solutions for these force quality issues are accounted for in the writing. A gathering of controllers together called Custom Power Devices (CPD), whic...
The development of non-linear loads at consumers has significantly impacted power supply systems. Since, the poor quality been found in three-phase distribution system due to unbalanced loads, harmonic current, undesired voltage regulation, and extreme reactive demand. To overcome this issue, Distributed STATicCOMpensator (DSTATCOM) is implemented. DSTATCOM a shunt-connected Voltage Source Conv...
ضریب توان پایین و افت ولتاژ در ترمینال های بار به همراه دیگر مسائل مربوط به کیفیت توان همچون هارمونیک ها، بارهای نامتقارن، تاثیر جالب توجهی بر روی دیگر بارهای متصل در شبکه دارند. جریان های هارمونیک موجب اعوجاج ولتاژ در pcc ( نقطه ی کوپلینگ مشترک) ، تشدید با امپدانس منبع و افزایش افت توان در خطوط تغذیه می شوند. در این پایان نامه یک الگوریتم اصلاح شده ی آشکارسازی سنکرون مبتنی بر روش جریان های ی...
Devolution of the power grid into smart was necessitated by proliferation sensitive load profiles system, as well incessant environmental challenges. These two factors culminated aggravated disturbances that cause serious havoc along entire system structure. The traditional proportional-plus-integral-plus-derivative (PID) solution offered distribution synchronous compensator (DSTATCOM) could no...
Quality of power has always been an area of interest and needs continuous improvement for transmission and distribution system. In this paper the power quality issues viz. sag and swell are being analysed for a distribution network. The effectiveness of DSTATCOM has been explored so that these above said power quality issues are mitigated up to a considerable extent. The behaviour of the device...
This paper presents the performance analysis of asymmetrical cascaded H-bridge multilevel inverter based DSTATCOM in the distribution network. For this, seven level asymmetrical cascaded inverter based DSTATCOM is proposed for the compensation of 11 kV distribution network. The paper also presents the comparative analysis for different asymmetric inverters. For this, 7,9,11 and 13 levels with u...
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