Design considerations of superconducting fault current limiters for power system stability enhancement

Alaraifi, Surour; Moursi, Mohamed Shawky El

doi:10.1049/iet-gtd.2016.0549

Cited by 33 publications

(9 citation statements)

References 29 publications

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“…For instance, the authors of [17] consider the use of an analytical hierarchy process for the design of an SFCL to maximise limiting capability. Similarly, [18] explores the design of an optimal shunt impedance to improve transient response and system stability of a system containing SFCLs using a genetic algorithm.…”

Section: B Optimisation and Sizing Methodologymentioning

confidence: 99%

“…Figure 4 shows a flow diagram for the optimization process and describes that at each iteration of the optimization a fault simulation is carried out for each cable configuration stored in the particle's location data: the size of the superconducting layer; the size of the cable shunt area, as determined by (18). The particles fitness is then updated according to (1) before any penalties are applied using the constraints procedure described in section III D. Particle velocities are updated according to (17) and the process begins again until the particles converge on the best solution found by the swarm.…”

Section: Optimization Implementationmentioning

confidence: 99%

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Sizing of Superconducting Cables for Turbo-ElectricDistributed Propulsion Aircraft Using a Particle Swarm Optimization Approach

Nolan

Jones

Norman

et al. 2022

IEEE Trans. Transp. Electrific.

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Superconductingelectrical power systems are proposed to meet high specific power densities required for turbo-electric distributed propulsion aircraft. Superconducting materials have unique thermal and electrical requirements for maintaining the superconducting state, which is critical to their normal operation. Electrical system faults can lead to this state being lost for all network assets in the electrical fault path. The resulting temperature rise can prevent the superconducting state from being immediately resumed following fault clearance, requiring disconnection of nonfaulted equipment. Undersized cables experience a higher temperature rise under faulted conditions and disconnect from the system more readily. Oversized cables are heavier and more costly. Therefore, there is a need to optimize the cable size, preventing disconnection of equipment due to temperature rise following a fault whilst minimizing the weight and cost penalty.This paper proposes a system parameter-driven methodology, utilizing particle swarm optimization, to identify fault tolerant cable designs, which deliver minimum through-life costs. This facilitates highvalue, quantifiable design trade studies incorporating system parameters. Key observations drawn are that the choice between improving fault ride-through capability of a superconducting cable by increasing either the amount of superconducting material, or conventional former material, strongly depends on acceptable system operating temperature and voltage.

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Section: B Optimisation and Sizing Methodologymentioning

confidence: 99%

Section: Optimization Implementationmentioning

confidence: 99%

Sizing of Superconducting Cables for Turbo-ElectricDistributed Propulsion Aircraft Using a Particle Swarm Optimization Approach

Nolan

Jones

Norman

et al. 2022

IEEE Trans. Transp. Electrific.

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“…A multi‐indicator inference scheme is proposed for fast prediction of transient stability levels of a power system [43]. Transient stability is assessed by a set of transient indicators such as the integral generator speed index (IGSA) [44], wide‐area severity induces or the accelerating rate of the generator under the COI reference. The rotor angle deviation of the synchronous generators with respect to the COI is used to detect system stability/instability.…”

Section: Transient Stability Assessment Using Generator‐based Thresholdmentioning

confidence: 99%

Generator‐based threshold for transient stability assessment

et al. 2019

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Power systems are frequently subjected to variations of the operating conditions due to the occurrence of contingencies such as faults, load or generator tripping. These disturbances might enforce the system to enter the instability region and thus deteriorate its overall performance. This paper proposes a systematic approach for transient stability assessment using generator-based threshold. An individual stability limit is designed for each generator instead of using only one pre-defined threshold for all generators. The considered contingencies are characterized by a fault type, location, loading condition and critical clearing time to consider wide range of operating conditions. Two fault locations are only considered to reduce the search space for stability limits; the generator terminals and mid of transmission lines. The critical clearing time is used to find the maximum relative rotor angle (MRRA) of individual generators attained during the entire time domain simulation. The MRRA of each generator represents the maximum angle which can be reached without losing synchronism at a given contingency. Conservative stability limits are drawn around the minimum stable drift of each generator which is chosen from the set of MRRAs of all contingencies. The effectiveness of the proposed approach is tested using the modified New-England, 39bus system.

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“…There are several different types of SFCLs: resistive, inductive, hybrid and so on [11,12]. And they have been investigated to be applied to the AC system to limit the fault current level and enhance the system stability [13,14]. A resistivetype SFCL (R-SFCL) does not impact the system under normal conditions, but it can limit the short-circuit fault current effectively when a fault occurs [15][16][17][18].…”

Section: Introductionmentioning

confidence: 99%

Protection schemes using resistive‐type superconducting fault current limiters with mechanical DC circuit breakers in MMC‐MTDC grids

Xiang

Luo

Gao

et al. 2020

IET Generation, Transmission & Distribution

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Design considerations of superconducting fault current limiters for power system stability enhancement

Cited by 33 publications

References 29 publications

Sizing of Superconducting Cables for Turbo-ElectricDistributed Propulsion Aircraft Using a Particle Swarm Optimization Approach

Sizing of Superconducting Cables for Turbo-ElectricDistributed Propulsion Aircraft Using a Particle Swarm Optimization Approach

Generator‐based threshold for transient stability assessment

Protection schemes using resistive‐type superconducting fault current limiters with mechanical DC circuit breakers in MMC‐MTDC grids

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