DocumentCode :
3460958
Title :
Parallel inverters with high frequency pulse dc link
Author :
Chen, Daolian
Author_Institution :
Electron. & Power Drives Res. Inst., Fuzhou Univ., Fuzhou
fYear :
2008
fDate :
24-28 Feb. 2008
Firstpage :
1623
Lastpage :
1627
Abstract :
A parallel inverter based on the duty cycle extended active clamp forward mode inverter with high frequency pulse DC link is proposed. The circuit topology, steady principle, control strategy of three-state discrete pulse modulation hysteresis current, current-sharing, criterions of the key circuit parameters of the parallel inverters are investigated. The parallel inverter is constitute of the N duty cycle extended active clamp forward mode high frequency pulse DC link inverter modules with common outer voltage regulator and separately inner current regulator. A designed and developed prototype for 3 kVA 27VDC/115V400HzAC parallel inverter has excellent performances such as small bulk, lower weight, high conversion efficiency, high steady precision, fast dynamic response, wide range input voltage, good output voltage waveforms, good current-sharing effect, strong ability for different nature load, and strong over-load and short-circuit ability. The parallel inverter can be used in large power inversion fields.
Keywords :
invertors; network topology; pulse modulation; voltage control; active clamp forward mode inverter; circuit topology; control strategy; duty cycle; high frequency pulse DC link; inner current regulator; key circuit parameters; parallel inverters; three-state discrete pulse modulation hysteresis current; voltage regulator; Circuit topology; Clamps; Dynamic range; Frequency; Hysteresis; Prototypes; Pulse inverters; Pulse modulation; Regulators; Voltage; current-sharing; high frequency pulse dc link (HFPDCL); inverter; parallel; three-state Discrete Pulse Modulation (DPM);
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Applied Power Electronics Conference and Exposition, 2008. APEC 2008. Twenty-Third Annual IEEE
Conference_Location :
Austin, TX
ISSN :
1048-2334
Print_ISBN :
978-1-4244-1873-2
Electronic_ISBN :
1048-2334
Type :
conf
DOI :
10.1109/APEC.2008.4522942
Filename :
4522942
Link To Document :
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