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Mitigation of supply voltage disturbances with a load voltage-controlled inverter |
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| รหัสดีโอไอ | |
| Creator | Hanny H. Tumbelaka |
| Title | Mitigation of supply voltage disturbances with a load voltage-controlled inverter |
| Publisher | Faculty of Engineering, Khon Kaen University |
| Publication Year | 2564 |
| Journal Title | Engineering and Applied Science Research |
| Journal Vol. | 48 |
| Journal No. | 1 |
| Page no. | 8-17 |
| Keyword | Voltage sag/swell, Harmonic voltage, Unbalanced voltage, Voltage compensator |
| URL Website | https://www.tci-thaijo.org/index.php/easr/index |
| Website title | Engineering and Applied Science Research |
| ISSN | 2539-6161 |
| 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%. |
