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TB 077 1993 SC 38 WG 38.05.04 Analysis and optimisation of SVC use in transmission systems.

The thyristor controlled static var compensator is in widespread use in power transmission systems, although it is a relatively new shunt reactive power compensation device. With the aim to enlighten the possibilities and limitations of employing SVC's for voltage control and stability improvement a study has been performed on the subject.

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TABLE OF CONTENTS

1. Introduction and Summary                                                                                                                              

2. Steady-state Voltage Control and Stability                                                                                  

3. Dynamic (Fundamental-Frequency) Voltage Control                                                                    

4. Transient and Temporary Overvoltage Control                                                                                    

5. lmproving First-swing Transient Stability                                                                                         

6. Damping of Power Oscillations                                                                                                              

References