Analysis of supply parameters of single- and double-string LED lamps with integrated AC direct capacitorless drivers

• Autorzy: Chęciński J. , Filus Z.

Identyfikatory

DOI

10.24425/bpasts.2020.134188

• Języki publikacji: EN

Abstrakty

EN

Thanks to a very high luminous efficacy of LED lamps (over 160 lm/W) they are the most preferred light sources in lighting applications today. The useful lifetime of LED modules exceeds 50,000 hours. Chromatic parameters of lamps making use of SSL (Solid State Lighting) have already equalled classic solutions, although they were noticeably worse not so long ago. High values of the Colour Rendering Index and (CRI) ease of control over the luminous flux cause that lamps with LEDs have become very attractive solutions. Today, the most important problem concerns LED drivers supplied from the 230 VAC mains. The lifetime of switched-mode converters, including electrolytic capacitors, is considerably shorter than that of LEDs. This paper discusses the features of alternative drivers for LED modules which are supplied directly from the 230 VAC mains and do not contain any electrolytic capacitors. In particular, power factor and efficiency of lamps with one or two strings are analysed and some hints concerning optimal design of such lamps are given. A unique feature of this work is a detailed analysis of harmonics contents in the supply current of such drivers, proving their conformity with the relevant standard. Finally, some problems associated with flicker resulting from the considered type of supply are mentioned.

Słowa kluczowe

EN

SSL; LED; LED-COB; PWM; power factor; efficiency; flicker; SM2082; LED AC direct driver

• Wydawca: Polska Akademia Nauk, Wydział IV Nauk Technicznych
• Czasopismo: Bulletin of the Polish Academy of Sciences. Technical Sciences
• Rocznik: 2020
• Tom: Vol. 68, nr 4
• Strony: 819--827
• Opis fizyczny: Bibliogr. 18 poz., rys., tab.

Twórcy

autor

Chęciński J.

• Silesian University of Technology, Department of Electronics, Electrical Engineering and Microelectronics, ul. Akademicka 16, 44-100 Gliwice, Poland

autor

Filus Z.

• Silesian University of Technology, Department of Electronics, Electrical Engineering and Microelectronics, ul. Akademicka 16, 44-100 Gliwice, Poland

Bibliografia

• [1] Commission Regulation (EU) No 1194/2012 of 12 December 2012 implementing Directive 2009/125/EC of the European Parliament and of the Council with regard to eco-design requirements for directional lamps, light emitting diode lamps and related equipment.
• [2] ENERGY STAR Program Requirements. Product specifications for lamps (light bulbs). Eligibility criteria. Version 2.0 (valid from January 2, 2017).
• [3] S. Li, S-C. Tan, and C-K. Lee, “A survey, classification, and critical review of light-emitting diode drivers”, IEEE Trans. Power Electron. 31 (2), 1503–1515 (2016).
• [4] I. Castro, A. Vazquez, M. Arias, D.G. Lamar, M.M. Hernando, and J. Sebastian, “A review on flicker-free ac-dc LED drivers for single-phase and three-phase ac power grids”, IEEE Trans. Power Electron. 34 (10), 10035–10057 (2019).
• [5] R. Dayal, K. Modepalli, and L. Parsa, “A direct AC LED driver with high power factor without the use of passive components”, Proceedings IEEE Energy Conversion Congress and Exposition (ECCE), Raleigh, USA, 4230–4234 (2012).
• [6] N. Ning, W.B. Chen, D.J. Yu, C.Y. Feng, and C.B. Wang, “Self-adaptive load technology for multiple-string LED drivers”, Electron. Lett. 49 (18), 1170–1171 (2013).
• [7] J. Kim, J. Lee, and S. Park, “A soft self-commutating method using minimum control circuitry for multiple-string LED drivers”, Proceedings IEEE International Solid-State Circuits Conference, San Francisco, USA (2013).
• [8] S. Fu, M. Chen, X. Lee, and T. Yoshihara, “A high efficiency multi-channel LED driver based on converter-free technique and load adaptive method”, Proceedings International SoC Design Conference (ISOCC), Jeju, South Korea (2014).
• [9] Y. Yeh, M. Chen, X. Li, H. Shinohara, and T. Yoshihara, “AC direct multiple-string LED driver with low THD and minimum components”, Proceedings International SoC Design Conference (ISOCC), Gyungju, South Korea, 117–118 (2015).
• [10] Y. Noge, “Linear AC LED driver with the multi-level structure and variable current regulator”, Proceedings 9th International Conference on Power Electronics – ECCE Asia, Seoul, Korea (2015).
• [11] H. Gao, K. Sun, J. Chen, X. Wu, Y. Leng, J. Xi, and L. He, “An electrolytic-capacitorless and inductorless AC direct LED driver with power compensation”, Proceedings IEEE 2nd International Future Energy Electronics Conference (IFEEC), Taipei, Taiwan (2015).
• [12] Y. Boxin, L. Zhiming, W. Zhaohui, and L. Guoyuan, “Design of a novel AC driver with no current glitch based on soft switching operation”, Proceedings China Semiconductor Technology International Conference (CSTIC), Shanghai, China (2017).
• [13] Z. Filus and J. Checinski, “Some remarks on design of LED lamps and their AC direct drivers”, Elektronika ir Elektrotechnika, 25 (3), 39–42 (2019).
• [14] Y. Gao, L. Li, and P.K.T. Mok, “An AC input switching converter-free LED driver with low-frequency-flicker reduction”, IEEE J. Solid-State Circuit 52 (5), 1424–1434 (2017).
• [15] P. Tabaka and P. Rozga, “Assessment of methods of marking LED sources with the power of equivalent light bulb”, Bull. Pol. Ac.: Tech. 65 (6), 883–889 (2017).
• [16] Standard EN IEC 61000-3-2:2019 Electromagnetic Compatibility (EMC) – Part 3-2: Limits for harmonic current emissions (equipment input current ≤ 16 A per phase).
• [17] J. Chęciński and Z. Filus, “Stability of the luminous flux of LED lamps supplied from the 230 VAC network”, Przegląd Elektrotechniczny 94 (8), 5–8 (2018) [in Polish].
• [18] J. Chęciński and Z. Filus, “Examination of the possibility of data transmission over LED lighting installations”, Przegląd Elektrotechniczny 93 (8), 54–57 (2017) [in Polish].

Uwagi

PL

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2020).