Transient Stability Enhancement Using a Wide-Area Controlled SVC: An HIL Validation Approach

Transient Stability Enhancement Using a Wide-Area Controlled SVC: An HIL Validation Approach

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This paper presents a control scheme of a wide-area controlled static VAr compensator (WAC-SVC) and its real-time implementation in a hardware-in-the-loop (HIL) simulation scheme with three control objectives: (1) to increase the critical clearing time, (2) to damp the power oscillations, and (3) to minimize the maximum line current.The proposed control scheme considers a correction strategy to compensate the delays up to 200 ms.In addition to this, a ashy bines protein powder generator tripping scheme based on synchrophasor measurements to determine the proximity to the loss of synchronism is proposed.

A delay compensation algorithm based on polynomial approximations depileve easy clean is also developed.The proposed WAC-SVC is experimentally validated using a Real-Time Digital Simulator platform (RTDS), industrial communication protocols, a commercial device for PMU-based control implementations, and digital relays with PMU capability.The real-time simulation results confirm its effectiveness and feasibility in real industrial applications.

Furthermore, practical guidelines to implement this kind of control schemes are provided.