NDLI: Protecting modular multilevel converters (MMC) against ac fault by deadbeat control

Content Provider	IEEE Xplore Digital Library
Author	Can Wang Ooi, B.T.
Copyright Year	2013
Description	Author affiliation: Dept. of Electr. Eng., McGill Univ., Montreal, QC, Canada (Can Wang; Ooi, B.T.)
Abstract	The paper shows that deadbeat control and harmonic elimination by feedforward and feedback can be implemented by MMC. In tracking the current reference, MMC is: (i) safe from large destructive of ac faults; (ii) free from the odd harmonics generated by the nonlinearities of MMC. As deadbeat control cannot filter the even harmonics on the dc side, their elimination has to be done by feedback and feedforward methods developed by many researchers, including the authors. However, the cost saving from capacitor size reduction, made possible by the even harmonic elimination methods, comes to naught when large ac fault currents charge the capacitors to voltages destructive to IGBTs. Deadbeat in preventing the voltage levels from rising ensures that cost saving from capacitor size reduction is feasible. Claims are validated by simulations by SIMULINK of MATLAB.
Sponsorship	IEEE Hong Kong Sect., IE/PE/IA/PEL Joint Chapt.
Starting Page	1
Ending Page	6
File Size	611901
Page Count	6
File Format	PDF
ISBN	9781479925223
DOI	10.1109/APPEEC.2013.6837170
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-12-08
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Insulated gate bipolar transistors MMC Dead-beat Capacitors Reference current control Decoupled P-Q control Harmonic analysis Modular multilevel converter Feedforward neural networks Voltage control Power harmonic filters Fault currents
Content Type	Text
Resource Type	Article

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