Front-End Isolated Quasi-Z-Source DC–DC Converter Modules in Series for High-Power Photovoltaic Systems—Part II: Control, Dynamic Model, and Downscaled Verification
This paper is the continuation of Part I in which a quasi-Z-source modular cascaded converter (qZS-MCC), comprising front-end isolated qZS half-bridge dc-dc converter submodules (SMs), for dc integration of high-power photovoltaic (PV) systems is proposed. The qZS-MCC-based PV system features modula...
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| Veröffentlicht in: | IEEE transactions on industrial electronics (1982) 2017-01, Vol.64 (1), p.359-368 |
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| creator | Liu, Yushan Abu-Rub, Haitham Ge, Baoming |
| description | This paper is the continuation of Part I in which a quasi-Z-source modular cascaded converter (qZS-MCC), comprising front-end isolated qZS half-bridge dc-dc converter submodules (SMs), for dc integration of high-power photovoltaic (PV) systems is proposed. The qZS-MCC-based PV system features modular structure, high-voltage dc collection of PV power, simple control with a unified and constant duty cycle for the front-end isolation converter of all SMs, and low qZS impedance due to no double-line-frequency pulsating power. Here, control scheme of the qZS-MCC PV system integrated into the dc collection grid is investigated. Dynamic model of the system is established for controllers design and time-domain transient simulation. Experimental tests are carried out on the downscaled prototype as a proof-of-concept of the proposed control and modeling, demonstrating the validity of the proposed approaches. |
| doi_str_mv | 10.1109/TIE.2016.2598675 |
| format | Article |
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The qZS-MCC-based PV system features modular structure, high-voltage dc collection of PV power, simple control with a unified and constant duty cycle for the front-end isolation converter of all SMs, and low qZS impedance due to no double-line-frequency pulsating power. Here, control scheme of the qZS-MCC PV system integrated into the dc collection grid is investigated. Dynamic model of the system is established for controllers design and time-domain transient simulation. 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(IEEE) 2017</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c291t-a495b001ac5545029b4c7cf18f28e3374b5843611bfc12f9fb2a35f8601090ea3</citedby><cites>FETCH-LOGICAL-c291t-a495b001ac5545029b4c7cf18f28e3374b5843611bfc12f9fb2a35f8601090ea3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/7539324$$EHTML$$P50$$Gieee$$Hfree_for_read</linktohtml><link.rule.ids>314,776,780,792,27901,27902,54733</link.rule.ids></links><search><creatorcontrib>Liu, Yushan</creatorcontrib><creatorcontrib>Abu-Rub, Haitham</creatorcontrib><creatorcontrib>Ge, Baoming</creatorcontrib><title>Front-End Isolated Quasi-Z-Source DC–DC Converter Modules in Series for High-Power Photovoltaic Systems—Part II: Control, Dynamic Model, and Downscaled Verification</title><title>IEEE transactions on industrial electronics (1982)</title><addtitle>TIE</addtitle><description>This paper is the continuation of Part I in which a quasi-Z-source modular cascaded converter (qZS-MCC), comprising front-end isolated qZS half-bridge dc-dc converter submodules (SMs), for dc integration of high-power photovoltaic (PV) systems is proposed. The qZS-MCC-based PV system features modular structure, high-voltage dc collection of PV power, simple control with a unified and constant duty cycle for the front-end isolation converter of all SMs, and low qZS impedance due to no double-line-frequency pulsating power. Here, control scheme of the qZS-MCC PV system integrated into the dc collection grid is investigated. Dynamic model of the system is established for controllers design and time-domain transient simulation. Experimental tests are carried out on the downscaled prototype as a proof-of-concept of the proposed control and modeling, demonstrating the validity of the proposed approaches.</description><subject>Computational modeling</subject><subject>DC-DC power converters</subject><subject>DC–DC power conversion</subject><subject>Dynamic models</subject><subject>Electric bridges</subject><subject>galvanic isolation</subject><subject>Inverters</subject><subject>Maximum power point trackers</subject><subject>Modular structures</subject><subject>Modular systems</subject><subject>Modulation</subject><subject>Photovoltaic cells</subject><subject>photovoltaic power system</subject><subject>quasi-Z-source converter</subject><subject>Regulators</subject><subject>Voltage control</subject><subject>Voltage converters (DC to DC)</subject><issn>0278-0046</issn><issn>1557-9948</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><sourceid>ESBDL</sourceid><sourceid>RIE</sourceid><recordid>eNo9kcFuGyEURVGVSHWS7it1g9RtcICBGeguGtvxSIniymkX3YwYDA3ReEgAJ_LO_9B-RL8rXxIsR10Beufdd3kXgM8EjwnB8uKumY4pJuWYcinKin8AI8J5haRk4giMMK0EwpiVH8FJjA8YE8YJH4F_s-CHhKbDCjbR9yqZFfy-UdGhX2jpN0EbOKlfd38mNaz98GxCMgHe-NWmNxG6AS5NcPlmfYBz9_seLfxLBhb3Pvln3yflNFxuYzLr-Lr7u1Ahwab5tpdKwffncLId1DozWdHkp8o2Jv5liFr12cjPLG6dVsn54QwcW9VH8-n9PAU_ZtO7eo6ub6-a-vIaaSpJQopJ3uXfKc0545jKjulKWyIsFaYoKtZxwYqSkM5qQq20HVUFt6LEeYnYqOIUfD3oPgb_tDExtQ95DUMe2RLBBC0rSnGm8IHSwccYjG0fg1ursG0Jbvd5tDmPdp9H-55HbvlyaHHGmP94LsiCsuINZVGI3A</recordid><startdate>201701</startdate><enddate>201701</enddate><creator>Liu, Yushan</creator><creator>Abu-Rub, Haitham</creator><creator>Ge, Baoming</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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The qZS-MCC-based PV system features modular structure, high-voltage dc collection of PV power, simple control with a unified and constant duty cycle for the front-end isolation converter of all SMs, and low qZS impedance due to no double-line-frequency pulsating power. Here, control scheme of the qZS-MCC PV system integrated into the dc collection grid is investigated. Dynamic model of the system is established for controllers design and time-domain transient simulation. Experimental tests are carried out on the downscaled prototype as a proof-of-concept of the proposed control and modeling, demonstrating the validity of the proposed approaches.</abstract><cop>New York</cop><pub>IEEE</pub><doi>10.1109/TIE.2016.2598675</doi><tpages>10</tpages><oa>free_for_read</oa></addata></record> |
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| ispartof | IEEE transactions on industrial electronics (1982), 2017-01, Vol.64 (1), p.359-368 |
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| language | eng |
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| subjects | Computational modeling DC-DC power converters DC–DC power conversion Dynamic models Electric bridges galvanic isolation Inverters Maximum power point trackers Modular structures Modular systems Modulation Photovoltaic cells photovoltaic power system quasi-Z-source converter Regulators Voltage control Voltage converters (DC to DC) |
| title | Front-End Isolated Quasi-Z-Source DC–DC Converter Modules in Series for High-Power Photovoltaic Systems—Part II: Control, Dynamic Model, and Downscaled Verification |
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