Performance analysis of static TCR compensators for load balancing under asymmetrical voltages

The use of a phase independent thyristor-controlled reactor (TCR) compensator to balance asymmetrical loads is a well-known subject. However, if the control strategy is based on balanced supply voltage conditions and if this does not occur the required compensation may fail or it can exhibit inaccur...

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Bibliographic Details
Main Authors: Farias, V.J., De Oliveira, J.C., Silveira, J.C.P., Miskulin, M.S.
Format: Conference Proceeding
Language:English
Subjects:
Equations
Furnaces
Induction generators
Inductors
Load management
Performance analysis
Power supplies
Power systems
Thyristors
Voltage control
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Summary:The use of a phase independent thyristor-controlled reactor (TCR) compensator to balance asymmetrical loads is a well-known subject. However, if the control strategy is based on balanced supply voltage conditions and if this does not occur the required compensation may fail or it can exhibit inaccuracy. A new formulation to evaluate the necessary TCR phase susceptances under unbalanced voltage conditions is proposed. By using this technique, computational investigations and practical discussions are carried out to establish a comparison to the classical method results. The discrepancies between the two approaches with reference to the degree of asymmetry are highlighted.< >
DOI:10.1109/TDC.1991.169617