On the Limit of the Output Capacitor Reduction in Power-Factor Correctors by Distorting the Line Input Current
Active power-factor correctors (PFCs) are needed to design ac-dc power supplies with universal input voltage range and sinusoidal input current. The classical method to control PFCs consists in two feedback loops and an analog multiplier. Hence, the input current is sinusoidal and it is in-phase wit...
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| Veröffentlicht in: | IEEE transactions on power electronics 2012-03, Vol.27 (3), p.1168-1176 |
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| creator | Lamar, D. G. Sebastian, J. Arias, M. Fernandez, A. |
| description | Active power-factor correctors (PFCs) are needed to design ac-dc power supplies with universal input voltage range and sinusoidal input current. The classical method to control PFCs consists in two feedback loops and an analog multiplier. Hence, the input current is sinusoidal and it is in-phase with the input voltage. However, a bulk capacitor is needed to balance the input and the output power. Due to its high capacitance, an electrolytic capacitor is traditionally used as a bulk capacitor in PFCs. As a consequence, the lifetime of the ac-dc power supply is limited by the electrolytic capacitor's, which becomes insufficient to some applications (e.g., high-brightness LEDs). This paper proposes a reduction of the output voltage ripple (which allows reduction of the output capacitance) by distorting the input current, but maintaining the harmonic continent compatible with EN 61000-3-2 regulations. The limits of this output capacitor reductions are deduced. Also, a control strategy based on a low-cost microcontroller is developed to put the proposed study into practice. Finally, the theoretical results are validated in a 500-W prototype. |
| doi_str_mv | 10.1109/TPEL.2010.2075943 |
| format | Article |
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G. ; Sebastian, J. ; Arias, M. ; Fernandez, A.</creator><creatorcontrib>Lamar, D. G. ; Sebastian, J. ; Arias, M. ; Fernandez, A.</creatorcontrib><description>Active power-factor correctors (PFCs) are needed to design ac-dc power supplies with universal input voltage range and sinusoidal input current. The classical method to control PFCs consists in two feedback loops and an analog multiplier. Hence, the input current is sinusoidal and it is in-phase with the input voltage. However, a bulk capacitor is needed to balance the input and the output power. Due to its high capacitance, an electrolytic capacitor is traditionally used as a bulk capacitor in PFCs. As a consequence, the lifetime of the ac-dc power supply is limited by the electrolytic capacitor's, which becomes insufficient to some applications (e.g., high-brightness LEDs). This paper proposes a reduction of the output voltage ripple (which allows reduction of the output capacitance) by distorting the input current, but maintaining the harmonic continent compatible with EN 61000-3-2 regulations. The limits of this output capacitor reductions are deduced. Also, a control strategy based on a low-cost microcontroller is developed to put the proposed study into practice. Finally, the theoretical results are validated in a 500-W prototype.</description><identifier>ISSN: 0885-8993</identifier><identifier>EISSN: 1941-0107</identifier><identifier>DOI: 10.1109/TPEL.2010.2075943</identifier><identifier>CODEN: ITPEE8</identifier><language>eng</language><publisher>New York, NY: IEEE</publisher><subject>Applied sciences ; Capacitance ; Capacitor ; Capacitors ; Capacitors. Resistors. Filters ; Circuit properties ; Controllers ; Dielectric, amorphous and glass solid devices ; Electric currents ; Electric, optical and optoelectronic circuits ; Electrical engineering. Electrical power engineering ; Electronic circuits ; Electronics ; Exact sciences and technology ; Feedback loop ; harmonic ; Harmonic analysis ; Power electronics, power supplies ; power factor correction ; Power generation ; Power supplies ; Power supply ; Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices ; Signal convertors ; switched-mode power supplies ; Various equipment and components ; Voltage control</subject><ispartof>IEEE transactions on power electronics, 2012-03, Vol.27 (3), p.1168-1176</ispartof><rights>2015 INIST-CNRS</rights><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. 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G.</creatorcontrib><creatorcontrib>Sebastian, J.</creatorcontrib><creatorcontrib>Arias, M.</creatorcontrib><creatorcontrib>Fernandez, A.</creatorcontrib><title>On the Limit of the Output Capacitor Reduction in Power-Factor Correctors by Distorting the Line Input Current</title><title>IEEE transactions on power electronics</title><addtitle>TPEL</addtitle><description>Active power-factor correctors (PFCs) are needed to design ac-dc power supplies with universal input voltage range and sinusoidal input current. The classical method to control PFCs consists in two feedback loops and an analog multiplier. Hence, the input current is sinusoidal and it is in-phase with the input voltage. However, a bulk capacitor is needed to balance the input and the output power. Due to its high capacitance, an electrolytic capacitor is traditionally used as a bulk capacitor in PFCs. As a consequence, the lifetime of the ac-dc power supply is limited by the electrolytic capacitor's, which becomes insufficient to some applications (e.g., high-brightness LEDs). This paper proposes a reduction of the output voltage ripple (which allows reduction of the output capacitance) by distorting the input current, but maintaining the harmonic continent compatible with EN 61000-3-2 regulations. The limits of this output capacitor reductions are deduced. Also, a control strategy based on a low-cost microcontroller is developed to put the proposed study into practice. Finally, the theoretical results are validated in a 500-W prototype.</description><subject>Applied sciences</subject><subject>Capacitance</subject><subject>Capacitor</subject><subject>Capacitors</subject><subject>Capacitors. Resistors. Filters</subject><subject>Circuit properties</subject><subject>Controllers</subject><subject>Dielectric, amorphous and glass solid devices</subject><subject>Electric currents</subject><subject>Electric, optical and optoelectronic circuits</subject><subject>Electrical engineering. Electrical power engineering</subject><subject>Electronic circuits</subject><subject>Electronics</subject><subject>Exact sciences and technology</subject><subject>Feedback loop</subject><subject>harmonic</subject><subject>Harmonic analysis</subject><subject>Power electronics, power supplies</subject><subject>power factor correction</subject><subject>Power generation</subject><subject>Power supplies</subject><subject>Power supply</subject><subject>Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices</subject><subject>Signal convertors</subject><subject>switched-mode power supplies</subject><subject>Various equipment and components</subject><subject>Voltage control</subject><issn>0885-8993</issn><issn>1941-0107</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNo9kNFLwzAQxoMoOKd_gPgSBB87c0nTNI8yNx0UNmQ-lzRNNWNLZ5Ii--9tt-HTfXf33e_gQ-geyASAyOf1alZMKOlbSgSXKbtAI5ApJP1IXKIRyXOe5FKya3QTwoYQSDmBEXJLh-O3wYXd2Yjb5tgsu7jvIp6qvdI2th5_mLrT0bYOW4dX7a_xyVzpYTNtvTeDCrg64Fcbehmt-zpDncELd2R1vc_FW3TVqG0wd-c6Rp_z2Xr6nhTLt8X0pUg0ozQmspKE1XVKa80rEBpkQ1nFGDDBBIFM14JzXStesUaDbqoajOG5MCZlGVDGxujxxN379qczIZabtvOuf1lKmqUkl4z0JjiZtG9D8KYp997ulD-UQMoh1XJItRxSLc-p9jdPZ7AKWm0br5y24f-QckEhywb2w8lnjTH_a84FEAD2B4migHg</recordid><startdate>20120301</startdate><enddate>20120301</enddate><creator>Lamar, D. 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G. ; Sebastian, J. ; Arias, M. ; Fernandez, A.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c322t-9b903dd42dc5b17c19f23b3313737016cd755cda5b3fc1cfbd1ee587ee4361233</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2012</creationdate><topic>Applied sciences</topic><topic>Capacitance</topic><topic>Capacitor</topic><topic>Capacitors</topic><topic>Capacitors. Resistors. Filters</topic><topic>Circuit properties</topic><topic>Controllers</topic><topic>Dielectric, amorphous and glass solid devices</topic><topic>Electric currents</topic><topic>Electric, optical and optoelectronic circuits</topic><topic>Electrical engineering. Electrical power engineering</topic><topic>Electronic circuits</topic><topic>Electronics</topic><topic>Exact sciences and technology</topic><topic>Feedback loop</topic><topic>harmonic</topic><topic>Harmonic analysis</topic><topic>Power electronics, power supplies</topic><topic>power factor correction</topic><topic>Power generation</topic><topic>Power supplies</topic><topic>Power supply</topic><topic>Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices</topic><topic>Signal convertors</topic><topic>switched-mode power supplies</topic><topic>Various equipment and components</topic><topic>Voltage control</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Lamar, D. G.</creatorcontrib><creatorcontrib>Sebastian, J.</creatorcontrib><creatorcontrib>Arias, M.</creatorcontrib><creatorcontrib>Fernandez, A.</creatorcontrib><collection>IEEE All-Society Periodicals Package (ASPP) 2005-present</collection><collection>IEEE All-Society Periodicals Package (ASPP) 1998-Present</collection><collection>IEEE Electronic Library (IEL)</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>ProQuest Computer Science Collection</collection><collection>Civil Engineering Abstracts</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>IEEE transactions on power electronics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Lamar, D. G.</au><au>Sebastian, J.</au><au>Arias, M.</au><au>Fernandez, A.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>On the Limit of the Output Capacitor Reduction in Power-Factor Correctors by Distorting the Line Input Current</atitle><jtitle>IEEE transactions on power electronics</jtitle><stitle>TPEL</stitle><date>2012-03-01</date><risdate>2012</risdate><volume>27</volume><issue>3</issue><spage>1168</spage><epage>1176</epage><pages>1168-1176</pages><issn>0885-8993</issn><eissn>1941-0107</eissn><coden>ITPEE8</coden><abstract>Active power-factor correctors (PFCs) are needed to design ac-dc power supplies with universal input voltage range and sinusoidal input current. The classical method to control PFCs consists in two feedback loops and an analog multiplier. Hence, the input current is sinusoidal and it is in-phase with the input voltage. However, a bulk capacitor is needed to balance the input and the output power. Due to its high capacitance, an electrolytic capacitor is traditionally used as a bulk capacitor in PFCs. As a consequence, the lifetime of the ac-dc power supply is limited by the electrolytic capacitor's, which becomes insufficient to some applications (e.g., high-brightness LEDs). This paper proposes a reduction of the output voltage ripple (which allows reduction of the output capacitance) by distorting the input current, but maintaining the harmonic continent compatible with EN 61000-3-2 regulations. The limits of this output capacitor reductions are deduced. Also, a control strategy based on a low-cost microcontroller is developed to put the proposed study into practice. Finally, the theoretical results are validated in a 500-W prototype.</abstract><cop>New York, NY</cop><pub>IEEE</pub><doi>10.1109/TPEL.2010.2075943</doi><tpages>9</tpages></addata></record> |
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| subjects | Applied sciences Capacitance Capacitor Capacitors Capacitors. Resistors. Filters Circuit properties Controllers Dielectric, amorphous and glass solid devices Electric currents Electric, optical and optoelectronic circuits Electrical engineering. Electrical power engineering Electronic circuits Electronics Exact sciences and technology Feedback loop harmonic Harmonic analysis Power electronics, power supplies power factor correction Power generation Power supplies Power supply Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices Signal convertors switched-mode power supplies Various equipment and components Voltage control |
| title | On the Limit of the Output Capacitor Reduction in Power-Factor Correctors by Distorting the Line Input Current |
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