Abstract

AbstractThe design, Fabrication of 4-Kvar 3-phase fixed capacitor-thyristor controlled reactor (FC-TCR) type SVC has been developed in the laboratory for a Single Machine Single Bus (SMSB) Test System. The test system is setup in the laboratory to evaluate the FC-TCR type SVC in stabilizing bus voltage. It comprises of a 3-phase Synchronous Machine of 5kva capacity and a 3-phase squirrel cage Induction Motor of 5HP Rating. 3-Ph SVC have been designed and fabricated and tested by connecting it to a SMSB Test System and experimental results have been presented in this paper. The Power – Voltage (P-V) and Power – Load angle (P-δ) Curves of the SMSB Test system with and without SVC have been plotted which shows the effectiveness of SVC on Generator and Voltage Stability enhancement.KeywordsFC-TCR type SVCSVC controlopen loop control of SVCSingle Machine Single bus SystemVoltage Stability Enhancement and P-V CurvesP-δ Curves and Power System StabilityNomenclature α is the Firing AngleTCR : Thyristor Controlled ReactorFC: Fixed Capacitor-V: Power - voltageBSVC : Net susceptance of SVCBTCR : susceptance of TCRBc : Capacitive susceptanceXL: Inductive reactanceQSVC : Reactive Power supplied or absorbed by SVCIC : Current Through the Capacitor

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