Robust generation maintenance scheduling considering wind power and forced outages

Ji, Guoqiang; Wu, Wenchuan; Zhang, Boming

doi:10.1049/iet-rpg.2015.0198

Cited by 38 publications

(20 citation statements)

References 31 publications

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“…Maintenance scheduling (MS) [43][44][45] may improve resilience of the power grid. Maintenance is associated with the control component and technology management business process.…”

Section: Complexitymentioning

confidence: 99%

A Resilience Toolbox and Research Design for Black Sky Hazards to Power Grids

Borisoglebsky

Varga

2019

Complexity

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A structured collection of tools for engineering resilience and a research approach to improve the resilience of a power grid are described in this paper. The collection is organized by a two-dimensional array formed from typologies of power grid components and business processes. These two dimensions provide physical and operational outlooks, respectively, for a power grid. The approach for resilience research is based on building a simulation model of a power grid which utilizes a resilience assessment equation to assess baseline resilience to a hazards’ profile, then iteratively selects a subset of tools from the collection, and introduces these as interventions in the power grid simulation model. Calculating the difference in resilience associated with each subset supports multicriteria decision-making to find the most convenient subset of interventions for a power grid and hazards’ profile. Resilience is an emergent quality of a power grid system, and therefore resilience research and interventions must be system-driven. This paper outlines further research required prior to the practical application of this approach.

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“…Maintenance scheduling (MS) [43][44][45] may improve resilience of the power grid. Maintenance is associated with the control component and technology management business process.…”

Section: Complexitymentioning

confidence: 99%

A Resilience Toolbox and Research Design for Black Sky Hazards to Power Grids

Borisoglebsky

Varga

2019

Complexity

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“…Qian and Wu, 49 and Yildirim et al 50,51 ü ü ü Dahal et al 52 and Ji et al 53 ü 49 consider constant inspection intervals and optimize maintenance by creating a dynamic risk threshold which is defined as the product of timedependent down-time cost and a scale factor. Development of condition-based maintenance policies for multicomponent systems and determination of optimal risk threshold are considered as future studies.…”

Section: Maintenance and Riskmentioning

confidence: 99%

Impact of health indicators on maintenance management and operation of power systems

Mazidi

Sanz-Bobi

Shayesteh

et al. 2017

Proceedings of the IMechE

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This article proposes a maintenance management and risk reduction approach. The approach introduces two reliabilitybased indexes called condition indicator and risk indicator. Condition indicator is a unit-less parameter that comes directly from monitored condition of a component and converts the categorical condition into a numerical value. Risk indicator in megawatt represents the risk imposed by the health of a component onto the system. To demonstrate application of the indicators, they are implemented through an hourly network constraint unit commitment problem and applied in a test system where the analysis of impact of condition of the generators to the operation is the new contribution. The results demonstrate how addition of such indicators will impact the operation of the grid and maintenance scheduling. The results show the benefit for the system operator as the overall failure risk in the system is taken into account, and the benefit for the asset owner as the direct impact of the maintenance to be carried out can be investigated. Two of the main outcomes of the maintenance management and risk reduction approach are as follows: asset owners can analyze their maintenance strategies and evaluate their impacts in the maintenance scheduling, and system operators can operate the grid with higher security and lower risk of failure.

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“…The probable causes and preventive maintenance measures have long been proposed in the literature. Studies show that the SAGE fault not only makes the air-gap distribution asymmetric and the magnetic field distorted but also aggravates the stator and rotor vibrations which may further lead to the winding insulation problems [1,2]. It is therefore important to investigate the faulty characteristics of SAGE in order to provide potential solutions for the diagnosis and control of this fault [3].…”

Section: Introductionmentioning

confidence: 99%

Rotor UMP characteristics and vibration properties in synchronous generator due to 3D static air‐gap eccentricity faults

Sun

et al. 2020

IET Electric Power Applications

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In this article, the qualitative theoretical derivation, together with finite element analysis and experimental studies are presented to investigate the unbalanced magnetic pull (UMP) as well as the rotor vibration characteristics. Differently from previous studies, this study focuses on the UMP/vibration not only under the normal and the conventional radial rotor eccentricity conditions but also for three-dimensional (3D) hybrid static air-gap eccentricity (SAGE) cases which are composed of both the radial SAGE and the axial SAGE. The detailed UMP expressions before and after each SAGE, are first deduced based on the analysis of the magnetic flux density variation. Then, the 3D finite element calculation and the experimental study are carried out on the CS-5 prototype generator which has two poles and a rated speed of 3000 rpm in order to validate the proposed theoretical analysis. It is shown that the DC component and the even harmonics of the radial UMP/vibration, especially the second harmonic, increase under the SAGE conditions. Specifically, the increment of the radial SAGE increases both the radial and the axial UMPs/vibrations, while the growth of the axial SAGE increases the axial UMP/vibration but meanwhile reduces the radial UMP/vibration.

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Robust generation maintenance scheduling considering wind power and forced outages

Cited by 38 publications

References 31 publications

A Resilience Toolbox and Research Design for Black Sky Hazards to Power Grids

A Resilience Toolbox and Research Design for Black Sky Hazards to Power Grids

Impact of health indicators on maintenance management and operation of power systems

Rotor UMP characteristics and vibration properties in synchronous generator due to 3D static air‐gap eccentricity faults

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