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Принципы построения и выбора элементной базы светодиодных светильников и их систем управления (продолжение, начало в № 3-4, 2015 г., с. 43-44)

Принципы построения и выбора элементной базы светодиодных светильников и их систем управления (продолжение, начало в № 3-4, 2015 г., с. 43-44)

Abstract

As a result surveying’s, of calculations and measurements, mentioned in this article, was analyzed the capability of application as PWM the controller of microcircuit L6562 frequently been used the designers of светодиодных illuminants in connection with its operational reliability, simplicity схемотехнической implementation and low value. However in investigated светодиодном the driver of office illuminant, in the application of this microcircuit in the transient behavior of the operation of the adjusters of phase factor with the utilization of the means of voltaic cross coupling between feed-in mains and output termination, appeared the necessity of the correction of the typical chart of the inclusion of values PWM controller for the improvement of it performance according to the State Standard IEC 61000-3-2: 2004 . Then were determined networks being subject correction, for which were calculated the performance of RC networks as a result what managed to bring down the coefficient of the harmonic deformations of incoming current practically twice as well as to avoid the deformations of the form of the sinusoid of incoming current which led to the additional gain of the value of the coefficient of the correction of power in 100% the load of inductor.

Продолжены исследования светодиодного драйвера для офисного светильника. Приведенные в статье расчеты, анализ и измерения позволяют обосновать выбор микросхемы ШИМ контроллера входного каскада соответствующего драйвера, а также улучшить его электрические параметры при помощи внесения определенных изменений в его стандартную схему включения, позволяющих применить в данном изделии одну из самых недорогих, но надежных микросхем существенно, улучшив при этом её характеристики по значениям токовой эмиссии согласно ДСТУ IEC 61000-3-2:2004.

Продовжено дослідження світлодіодного драйвера для офісного світильника. Наведені в статті розрахунки, аналіз і вимірювання дозволяють обґрунтувати вибір мікросхеми ШІМ контролера вхідного каскаду відповідного драйвера, а також поліпшити його електричні параметри за допомогою внесення певних змін в його стандартну схему включення, що дозволяють застосувати в даному виробі одну з найбільш недорогих, але надійних мікросхем істотно , поліпшивши при цьому її характеристики за значеннями токової емісії згідно ДСТУ IEC 61000-3-2: 2004.

Keywords

світлодіодний драйвер; димірування світлового потоку; світлодіодний кластер; індуктор; ШІМ контролер., LED driver; of dimming luminous flux; LED cluster; inductor; PWM controller., светодиодный драйвер; диммирование светового потока; светодиодный кластер; индуктор; ШИМ контроллер., УДК 621.328:621.316

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
gold