NDLI: Transformer less voltage regulator

Content Provider	IEEE Xplore Digital Library
Author	Prasad, H. Singh, V.K. Maity, T.
Copyright Year	2014
Description	Author affiliation: Dept. of Min. Machinery Eng., ISM Dhanbad, Dhanbad, India (Prasad, H.; Maity, T.) \|\| Dept. of Electr. Eng., ISM Dhanbad, Dhanbad, India (Singh, V.K.)
Abstract	This paper proposes a single phase ac-ac transformer less voltage regulator. The proposed techniques can operate in buck or boost mode depends on the desired output voltage. The proposed system employs a pulse width modulation (PWM) ac-ac converter along with feed forward and PID close loop control. This technique are used power semiconductor device IGBTs as bidirectional switch of the ac-ac converter and circuit can easily and steadily maintain regulated voltage supply to end user. Power quality problems which are faced transients, sags, surge, harmonics and impulses. Voltage sags is mainly due to the fault occurring in the transmission and distribution system, loads like welding and equipments. A surge voltage is caused by a switching transient or other undesirable voltage source appearing on the power system. These proposed techniques provide steady state output voltage with feed-forward techniques and PID controller, which is verify with theoretical and simulation results.
Starting Page	1
Ending Page	5
File Size	3055481
Page Count	5
File Format	PDF
e-ISBN	9781479949823
DOI	10.1109/ICGCCEE.2014.6922384
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-03-06
Publisher Place	India
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Harmonics Voltage fluctuations Regulators Surge Switches PID Voltage control Surges IGBT AC-AC converters Sag Buck-boost Mathematical model Impulse
Content Type	Text
Resource Type	Article

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