Performance enhancement and robustness assessment of VSC–HVDC transmission systems controllers under uncertainties

Ramadan, Haïtham Saad Mohamed; Siguerdidjane, Houria; Petit, Marc; Kaczmarek, Robert

doi:10.1016/j.ijepes.2011.08.017

Cited by 43 publications

(55 citation statements)

References 22 publications

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“…A typical VSC-HVDC transmission link consists of two converter stations [1,2,11,16]. One station operates as the rectifier station whereas the other operates as the inverter station as shown in Figure 1.…”

Section: Mathematical Model Of the Vsc-hvdc Transmission Systemmentioning

confidence: 99%

“…This system is naturally decoupled into two subsystems: the first one is the AC subsystem representing fast dynamics and the second one is the DC subsystem, which represents slow dynamics [16,17]. Figure 2 represents the single phase equivalent circuit of the two AC sides of the VSC-HVDC transmission system, which represent the so-called AC subsystem.…”

Section: Mathematical Model Of the Vsc-hvdc Transmission Systemmentioning

confidence: 99%

“…(1) using Park's transformation [16] as follows: (3) Similarly, the d − q equations of inverter side in a rotating frame at a pulsation ω 2 initially oriented on angle θ 2 = ω 2 t are as follows:…”

Section: Ac Subsystemmentioning

confidence: 99%

“…Its various capabilities have been discussed in many papers in areas of power flow control [6][7][8], transient stability improvement, and oscillation damping control [9,10]. Furthermore, in the literature, the HVDC transmission system has been applied in a vast variety of control system investigations, including PI control [11][12][13][14], H ∞ approach method [15], linearization control [11], sliding mode control [16,17], backstepping design [18,19], flatness theory-based control [20], and passivity theory-based control [21,22]. All the aforementioned methods, including linear and nonlinear controllers, guarantee asymptotic stability of the closedloop system.…”

Section: Introductionmentioning

confidence: 99%

“…Thus, the main contribution of this paper is to verify the dynamic performance of the ASMTDCC as a control solution for the VSC-HVDC transmission system in power flow reference tracking, to meet the inherent uncertain parameters, unmodeled dynamics, and unknown disturbances [16]. The ASMTDCC's capability towards providing a stabilized performance over a wide range of operating conditions and perturbations is discussed.…”

Section: Introductionmentioning

confidence: 99%

See 4 more Smart Citations

Adaptive sliding mode with time delay control based on convolutions for power flow reference tracking using a VSC-HVDC system

Hamache¹,

Bensidhoum²,

Chekireb³

2017

Turk J Elec Eng & Comp Sci

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This paper deals with the design of an adaptive sliding mode with a time delay control based on convolutions (ASMTDCC) approach for a voltage source converter (VSC) high voltage direct current (HVDC) transmission system for power flow reference tracking over a wide range of operating conditions considering parameter variations and external disturbances. For this purpose, the model of a VSC-HVDC transmission system connecting two asynchronous electrical grids is developed. The problem of designing an ASMTDCC feedback scheme, via a control strategy, is addressed seeking a better performance. For ensuring robust behavior and reducing chattering, the ASMTDCC scheme is realized based on time delay approximation and sliding mode techniques. Theoretical developments and results are illustrated through simulation results.

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Section: Mathematical Model Of the Vsc-hvdc Transmission Systemmentioning

confidence: 99%

Section: Mathematical Model Of the Vsc-hvdc Transmission Systemmentioning

confidence: 99%

Section: Ac Subsystemmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

Adaptive sliding mode with time delay control based on convolutions for power flow reference tracking using a VSC-HVDC system

Hamache¹,

Bensidhoum²,

Chekireb³

2017

Turk J Elec Eng & Comp Sci

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Robust H₂ nonlinear fuzzy decentralized control design for a VSC‐HVDC link

Ngo,

Kamal,

Marinescu

et al. 2024

Adv Control Appl

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SummaryA Robust Nonlinear Fuzzy Decentralized Controller ( RNFDC) is proposed to improve the overall robustness and tracking ability of a VSC‐HVDC link. The studied system is considered as composed by two overlapping nonlinear subsystems. The nonlinear interaction between the two subsystems is treated as a disturbance rejection problem by fuzzy control techniques. First, the Takagi Sugeno (TS) fuzzy model is adopted for fuzzy modeling of the uncertain nonlinear system. Next, new stability conditions for a generalized class of uncertain HVDC systems are derived from robust control techniques based on Linear Matrix Inequalities (LMIs). The design method employs the so‐called Parallel Distributed Compensation (PDC) to obtain RNFDC gains based on LMIs.The efficiency and robustness of the proposed controllers are analytically proven and tested through validation simulations. The main contributions of this paper are: (i) resilience: in case of failure of one converter or loss of measures or controls, the control of the other converter is not affected; (ii) robustness is improved in order to provide good responses in case of network variations and HVDC line parameters changes; (iii) fuzzy techniques are adopted to handle nonlinearities and changes of operating conditions. The proposed RNFDC is compared with Fuzzy H Decentralized State Feedback Control ( NFDC) and Linear Decentralized Control ( LDC) in simulation to illustrate the control synthesis and its effectiveness.

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Stability analysis and a hybrid controller design of grid‐connected offshore wind farm through a VSC‐HVDC transmission link

Srikakulapu

Vinatha

2019

Asian Journal of Control

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This paper proposes a hybrid controller which is a combination sliding mode control and PI control techniques for AC grid integrated offshore wind farm (OSWF) with voltage source converter -high voltage direct current system. The controller must be capable of controlling AC voltage, DC-link voltage, reactive power and effective power transfer. To examine the FRT capability, a symmetrical fault is applied at onshore AC grid side and compared the performances of the studied system based on the hybrid and PI controllers. The dynamic modelling and linearized system by state-space modelling for the studied system are explained in detail. The small signal stability analysis and controller stability are observed with the help of the eigenvalue analysis. The analysis of the studied system with a hybrid and conventional controllers are conducted in the software environment of the MATLAB/SIMULINK. The effect of parameter uncertainty on total system stability is examined with the help of eigenmatrix of the studied system.

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Performance enhancement and robustness assessment of VSC–HVDC transmission systems controllers under uncertainties

Cited by 43 publications

References 22 publications

Adaptive sliding mode with time delay control based on convolutions for power flow reference tracking using a VSC-HVDC system

Adaptive sliding mode with time delay control based on convolutions for power flow reference tracking using a VSC-HVDC system

Robust H₂ nonlinear fuzzy decentralized control design for a VSC‐HVDC link

Stability analysis and a hybrid controller design of grid‐connected offshore wind farm through a VSC‐HVDC transmission link

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Performance enhancement and robustness assessment of VSC–HVDC transmission systems controllers under uncertainties

Cited by 43 publications

References 22 publications

Adaptive sliding mode with time delay control based on convolutions for power flow reference tracking using a VSC-HVDC system

Adaptive sliding mode with time delay control based on convolutions for power flow reference tracking using a VSC-HVDC system

Robust H2 nonlinear fuzzy decentralized control design for a VSC‐HVDC link

Stability analysis and a hybrid controller design of grid‐connected offshore wind farm through a VSC‐HVDC transmission link

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Robust H₂ nonlinear fuzzy decentralized control design for a VSC‐HVDC link