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Controlled Shunt Reactor for UHVAC System Reactive Power Control


Satyadharma Bharti* and Satya Prakash Dubey   Pages 1 - 9 ( 9 )


Background: In this paper, a novel technique for reactive power management of the Ultra High Voltage (UHV) lines having voltage level of 1200 kV line and above is suggested. The UHV power grid has to frequently face the problems associated with the power- frequency and switching over-voltages.

Methods: The technique involves the use of three-phase UHV Transformers as a controlled shunt reactor (CSR) in combination with the use of a fixed reactor. The performance of the UHV AC transmission line is studied using PSCAD software and working of CSR is evaluated.

Results: Standard parameters of the proposed Wardha-Aurangabad 1200 kV transmission line in India are considered for simulation model. The use of CSR has been found to be effective in mitigating system problems.

Conclusion: The system can be used for maintaining voltage profile, resulting in enhancement of the reliability of the UHV transmission system.


EMTDC, Flexible AC transmission systems, Power system, Power systems simulation, Power transmission, PSCAD, Reactive power control, Thyristor


Department of Electrical Engineering, RCET Bhilai, Chhattisgarh Swami Vivekanand Technical University, Bhilai, Central Research Committee, RCET Bhilai, Chhattisgarh Swami Vivekanand Technical University, Bhilai

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