Direct intelligent wide-area damping controller for wind integrated power system

Yousefian, Reza; Bhattarai, Rojan; Kamalasadan, Sukumar

doi:10.1109/pesgm.2016.7741876

Cited by 9 publications

(13 citation statements)

References 10 publications

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“…Furthermore, both u G and u D in (43) must be used for WAC design in the future grid to accommodate the coupling effects betweenx G andx D . Some recent paper such as [31] have reported preliminary results along these lines where wind power controllers have been used in conjunction to conventional PSS controllers for taking wide-area damping control action. Much more work, however, is needed on this topic, especially with regards to the time-scale separation between u G and u D , and also on the sensitivity between the retrofit and WAC parts of u D .…”

Section: Discussionmentioning

confidence: 99%

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Dynamic Modeling, Stability, and Control of Power Systems With Distributed Energy Resources: Handling Faults Using Two Control Methods in Tandem

et al. 2019

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This article presents a suite of new control designs for next-generation electric smart grids. The future grid will consist of thousands of non-conventional renewable generation sources such as wind, solar, and energy storage. These new components are collectively referred to as distributed energy resources (DER). The article presents a comprehensive list of dynamic models for DERs, and shows their coupling with the conventional generators and loads. It then presents several innovative control designs that can be used for facilitating large-scale DER integration. Ideas from decentralized retrofit control and distributed sparsity-promoting optimal control are used for developing these designs, followed by illustrations on an IEEE power system test model.

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Section: Discussionmentioning

confidence: 99%

“…where i d and i q are defined in (32), and i dc in (31). In reference to (1) the solar farm model can be summarized as:…”

Section: E Solar Farmsmentioning

confidence: 99%

Dynamic Modeling, Stability, and Control of Power Systems With Distributed Energy Resources: Handling Faults Using Two Control Methods in Tandem

et al. 2019

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“…In this section, we address the problem of estimating the DA for a system with actuator constraint and a pre-designed state-feedback law. Consider the system of equations (10) with unstable matrix A ∈ n×n and state-feedback control law defined by V s = F x(t), the closed loop system can be expressed as follows:…”

Section: Estimation Of the Domain Of Attractionmentioning

confidence: 99%

“…Using the canonical state-space transformation z = T x [30], the linear system of equation (10) can be transformed to canonical form and then partitioned as stable and unstable parts similar to (16). Fig.…”

Section: Estimation Of the Domain Of Attractionmentioning

confidence: 99%

“…Supplementary damping controllers (SDCs) based on wide-area measurements [2] can be used to damp these oscillations. Multiple approaches have been proposed in literature to design SDCs for power system components, including traditional synchronous generators [3]- [6], modern FACTS devices [7], [8], energy storage systems [9] and renewable resources [10]. These efforts generally do not consider the nonlinear effects of hard saturation limits on control signals.…”

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confidence: 99%

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Power system supplementary damping controllers in the presence of saturation

Raoufat

Tomsovic

Djouadi

2017

2017 IEEE Power and Energy Conference at Illinois (PECI)

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Abstract-This paper presents the analysis and a method to design supplementary damping controllers (SDCs) for synchronous generators considering the effects of saturation limits. Usually such saturations of control signals are imposed in order to enforce practical limitations such as component ratings. However, to guarantee the stability in the presence of saturation limits, the state trajectories must remain inside the domain of attraction (DA). In this paper, the domain of attraction of a single-machine infinite-bus (SMIB) power system with saturation nonlinearity is estimated and compared with the exact description of the null controllable region. Then, state-feedback controllers are designed to enlarge the DA. Our analysis shows that nonlinear effects of saturation should be considered to guarantee stability and satisfactory performance. Simulation results on a detailed nonlinear model of a synchronous generator indicate that the DA enlarges with the proposed controller. The results also indicate that Critical Clearing Time (CCT) and damping of the system with saturation can be improved by the proposed method.

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Review of Wide-Area Controllers for Supporting Power System Stability

et al. 2023

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Countries around the world are transitioning from conventional power systems dominated by synchronous generators towards low-carbon resources, characterized by high levels of converter-interfaced generators (CIGs). With this transformation, hundreds or even thousands of fast power electronic devices will be added to the grid as CIG penetration increases, thus making the system dynamic response progressively faster and more complex. This future scenario poses significant challenges in power system stability and control. To sustain power system stability in future power systems and achieve a seamless transition, we need to depart from current control practices based on decentralized and stand-alone local control actions and begin to explore new methods. A promising technology to overcome control complexities and underlying stability issues in future low-inertia power systems are wide area control (WAC). Within this technology, the control is no longer based on a purely localized tasks but rather a set of coordinated actions across wide areas in which interplant communication plays a key role. This paper presents the state of the art of existing research efforts in the field of WAC strategies for maintaining stability in large-scale low-inertia power systems of the future. We present different WAC solutions that have been put forward hitherto, we put these control strategies into context, classify them, and finally relate them to each other. We also raise open questions and challenges that need to be addressed in order to ensure a secure transition towards power systems dominated by CIGs. INDEX TERMS Power system control, power system stability, time delays, telecommunication issues, widearea measurement systems (WAMSs), wide-area power systems (WAPSs), wide-area control (WAC), power system control architecture, control techniques.

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Direct intelligent wide-area damping controller for wind integrated power system

Cited by 9 publications

References 10 publications

Dynamic Modeling, Stability, and Control of Power Systems With Distributed Energy Resources: Handling Faults Using Two Control Methods in Tandem

Dynamic Modeling, Stability, and Control of Power Systems With Distributed Energy Resources: Handling Faults Using Two Control Methods in Tandem

Power system supplementary damping controllers in the presence of saturation

Review of Wide-Area Controllers for Supporting Power System Stability

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