High Gain DC-AC High-Frequency Link Inverter With Improved Quasi-Resonant Modulation

Blinov, AndreiTallinn Univ Technol, Dept Elect Power Engn & Mechatron, EE-19086 Tallinn, Estonia. (författare)

QC 20211122
This article presents a high gain pure sine- wave inverter based on the full-bridge dc-ac high-frequency link cycloconverter topology for telecom or general-purpose applications. The improved quasi-resonant modulation method allows reduction of ringing and turn-off losses of the dc-side switches. This is achieved with minimal energy circulation and requires no multi-mode operation or extra auxiliary clamping circuits. The soft switching can be provided even if relatively large lossless snubber capacitors are connected across the input side transistors. Moreover, two of the switches at the ac side operate at fundamental frequency, while the rest feature zero current turn-off. A 48 V-DC to 230 V-AC, 1.2 kW sine-wave inverter prototype was developed to verify the proposed concept.

TEKNIK OCH TEKNOLOGIER Elektroteknik och elektronik Annan elektroteknik och elektronik hsv//swe
ENGINEERING AND TECHNOLOGY Electrical Engineering, Electronic Engineering, Information Engineering Other Electrical Engineering, Electronic Engineering, Information Engineering hsv//eng
Inverters
Modulation
Zero voltage switching
Snubbers
Inductance
Topology
Capacitors
DC-AC power converters
energy storage
power supplies
pulsewidth modulation inverters
soft switching
zero current switching (ZCS)
zero voltage switching (ZVS)

Korkh, OleksandrTallinn Univ Technol, Dept Elect Power Engn & Mechatron, EE-19086 Tallinn, Estonia. (författare)
Chub, AndriiTallinn Univ Technol, Dept Elect Power Engn & Mechatron, EE-19086 Tallinn, Estonia. (författare)
Vinnikov, DmitriTallinn Univ Technol, Dept Elect Power Engn & Mechatron, EE-19086 Tallinn, Estonia. (författare)
Peftitss, DimosthenisNorwegian Univ Sci & Technol, N-7012 Trondheim, Norway. (författare)
Norrga, Staffan,1968-KTH,Elkraftteknik(Swepub:kth)u1sjojho (författare)
Galkin, Ilya iRiga Tech Univ, Inst Ind Elect & Elect Engn, LV-1048 Riga, Latvia. (författare)
Tallinn Univ Technol, Dept Elect Power Engn & Mechatron, EE-19086 Tallinn, Estonia.Norwegian Univ Sci & Technol, N-7012 Trondheim, Norway. (creator_code:org_t)

Ingår i:IEEE Transactions on Industrial Electronics: Institute of Electrical and Electronics Engineers (IEEE)69:2, s. 1465-14760278-00461557-9948

Av författaren/redakt...: Blinov, Andrei; Korkh, Oleksandr; Chub, Andrii; Vinnikov, Dmitri; Peftitss, Dimost ...; Norrga, Staffan, ...; visa fler...; Galkin, Ilya i; visa färre...

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