Mitigation of supply voltage disturbances with a load voltage-controlled inverter

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Published: Jan 26, 2021
Keywords:
Voltage sag/swell Harmonic voltage Unbalanced voltage Voltage compensator

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Hanny H. Tumbelaka
Department of Electrical Engineering, Faculty of Industrial Engineering, Petra Christian University, Surabaya 60236, Indonesia

Abstract

The three-phase four-wire Voltage Controlled Voltage Source Inverter (VC-VSI) is proposed as a multi-function voltage compensator for supply voltage disturbances to improve the load voltage quality. The VC-VSI is positioned in series between the disturbed source and sensitive loads. The VC-VSI works to immediately control the load voltage instead of its output voltage. The control process takes place in the dq0 reference frame supported by a PI controller, since it is easy to build reference signals in the DC quantity. The VC-VSI successfully creates a three-phase compensation voltage instantaneously so that the load voltage is sinusoidal, balanced and constant at the nominal value. The VC-VSI has been modeled and simulated in PSIM simulation program to verify the proposed concept. The test results showed that the VC-VSI performed well as the voltage disturbance compensator, by retaining insignificant mismatch of ± 0.5% and low THD of the load voltage of 1.02%.

Article Details

How to Cite
Tumbelaka, H. H. (2021). Mitigation of supply voltage disturbances with a load voltage-controlled inverter. Engineering and Applied Science Research, 48(1), 8–17. Retrieved from https://ph01.tci-thaijo.org/index.php/easr/article/view/238509
Issue
Vol. 48 No. 1 (2021)
Section
ORIGINAL RESEARCH

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This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

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