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

Aaron Esparza, Juan Segundo, Ciro Nuñez, Nancy Visairo, Emilio Barocio and Héctor García
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Aaron Esparza: Facultad de Ingeniería, Universidad Autonóma de San Luis Potosí, Dr. Manuel Nava No. 8, San Luis Potosí S.L.P., México 78290, Mexico
Juan Segundo: Facultad de Ingeniería, Universidad Autonóma de San Luis Potosí, Dr. Manuel Nava No. 8, San Luis Potosí S.L.P., México 78290, Mexico
Ciro Nuñez: Facultad de Ingeniería, Universidad Autonóma de San Luis Potosí, Dr. Manuel Nava No. 8, San Luis Potosí S.L.P., México 78290, Mexico
Nancy Visairo: Facultad de Ingeniería, Universidad Autonóma de San Luis Potosí, Dr. Manuel Nava No. 8, San Luis Potosí S.L.P., México 78290, Mexico
Emilio Barocio: Centro Universitario de Ciencias Exactas e Ingenierías, Universidad de Guadalajara, Av. Revolución 1500, Guadalajara 44430, Mexico
Héctor García: Independent Researcher, Morelia 58120, Mexico

Energies, 2018, vol. 11, issue 7, 1-21

Abstract: 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 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 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.

Keywords: SVC; PMU; wide-area control; real-time simulation; hardware-in-the-loop (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2018
References: View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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