Model-Independent Derivative Control Delay Compensation Methods for Power Systems

Muyang Liu, Ioannis Dassios, Georgios Tzounas and Federico Milano
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Muyang Liu: Room 157, School of Electrical and Electronic Engineering, University College Dublin, Belfield, Dublin 4, Ireland
Ioannis Dassios: Room 157, School of Electrical and Electronic Engineering, University College Dublin, Belfield, Dublin 4, Ireland
Georgios Tzounas: Room 157, School of Electrical and Electronic Engineering, University College Dublin, Belfield, Dublin 4, Ireland
Federico Milano: Room 157, School of Electrical and Electronic Engineering, University College Dublin, Belfield, Dublin 4, Ireland

Energies, 2020, vol. 13, issue 2, 1-18

Abstract: The paper examines the effectiveness of utilizing the derivatives of time delayed, wide-area signals in mitigating their destabilizing impact on power system dynamic response. In particular, the paper discusses two derivative control-based delay compensation methods, namely proportional-derivative (PD) and predictor-based delay compensation. The two methods are compared in terms of their open-loop signal fidelity and their impact on the closed-loop system stability. The paper also provides a technique to carry out small-signal stability analysis with inclusion of derivative control based compensation, which leads to a Neutral Time-Delay System (NTDS). In addition, we provide a new theorem on the stability of the NTDS. Finally, nonlinear time domain simulations and eigenvalue analysis based on the IEEE 14-bus and New England 39-bus systems were carried out for the sake of comparison of the two delay compensation methods.

Keywords: delay compensation; proportional-derivative (PD) control; predictor-based control; small-signal stability analysis; Neutral Time-Delay System (NTDS) (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: 2020
References: View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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