Results for phase locked loop translation from English to Persian

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English

a phase-locked loop or phase lock loop (pll) is a control system that generates an output signal whose phase is related to the phase of an input signal.

Persian

یک حلقه قفل فاز یا حلقه قفل شده در فاز (phase locked loop)(pll) یک سیستم کنترلی الکترونیکی است، که یک سیگنال قفل شده فاز متناسب با ورودی یا مرجع (reference)، می‌سازد.

Last Update: 2016-03-03
Usage Frequency: 1
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English

abstract—this paper introduces and evaluates an auxiliary con￾trol strategy for downstream fault current interruption in a radial distribution line by means of a dynamic voltage restorer (dvr). the proposed controller supplements the voltage-sag compensa￾tion control of the dvr. it does not require phase-locked loop and independently controls the magnitude and phase angle of the in￾jected voltage for each phase. fast least error squares digital fil￾ters are used to estimate the magnitude and phase of the measured voltages and effectively reduce the impacts of noise, harmonics, and disturbances on the estimated phasor parameters, and this en￾ables effective fault current interrupting even under arcing fault conditions. the results of the simulation studies performed in the pscad/emtdc software environment indicate that the proposed control scheme: 1) can limit the fault current to less than the nom￾inal load current and restore the point of common coupling voltage within 10 ms; 2) can interrupt the fault current in less than two cy￾cles; 3) limits the dc-link voltage rise and, thus, has no restrictions on the duration of fault current interruption; 4) performs satisfac￾torily even under arcing fault conditions; and 5) can interrupt the fault current under low dc-link voltage conditions.

Persian

در این مقاله یک استراتژی کنترلی کمکی برای وقفه فعلی جریان گسل در یک خط توزیع شعاعی با استفاده از یک بازگردنده ولتاژ پویا (dvr) معرفی و ارزیابی می شود. کنترل کننده پیشنهادی کنترل جبران ولتاژ ساگ را از dvr تکمیل می کند. نیازی به حلقه قفل فاز ندارد و به طور مستقل بزرگی و زاویه فاز ولتاژ تزریق شده را برای هر فاز کنترل می کند. از فیلترهای دیجیتالی مربع حداقل خطا برای تخمین مقدار آهنربا استفاده می شود

Last Update: 2020-07-24
Usage Frequency: 1
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Reference: Anonymous

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