An enhanced control strategy for SSFCL in limiting fault current in the distribution system

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Abstract

This paper deals with the modeling and simulations of solid-state fault current limiter (SSFCL) for providing credible solutions to power quality problems. An enhanced control strategy has been developed for instantaneous detection of overcurrent and limitation of the fault currents in the distribution system. The modeling of these devices is based on graphic models using the electromagnetic transient simulation program PSCAD/EMTDC. An extensive investigation are made to evaluate the performance of the SSFCL in limiting fault currents for a system with induction motor load and its capability in compensating voltage sags and effect of changing FCL parameters. It was observed that the impact of the induction motor load on the performance of the SSFCL proves that the limiting fault currents are greater as compared to the system with static loads. The current limiting reactor of the SSFCL plays an important role in compensating voltage sags caused by the different types of faults. Thus, the results of the SSFCL proved that it is a suitable device for limiting fault current within 2 ms which is the tolerable limit of the system. The developed models will be useful for further power quality studies in a distribution system. © 2011 Praise Worthy Prize S.r.l.
Original languageEnglish
Pages (from-to)3037-3043
Number of pages2732
JournalInternational Review on Modelling and Simulations
Publication statusPublished - 01 Jan 2011
Externally publishedYes

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Fault current limiters
Limiter
Electric fault currents
Distribution System
Control Strategy
Fault
Limiting
Power quality
Induction motors
Current limiting reactors
Voltage Sag
Power Quality
Induction Motor
Electric potential
Reactor
Instantaneous
Modeling and Simulation

Cite this

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abstract = "This paper deals with the modeling and simulations of solid-state fault current limiter (SSFCL) for providing credible solutions to power quality problems. An enhanced control strategy has been developed for instantaneous detection of overcurrent and limitation of the fault currents in the distribution system. The modeling of these devices is based on graphic models using the electromagnetic transient simulation program PSCAD/EMTDC. An extensive investigation are made to evaluate the performance of the SSFCL in limiting fault currents for a system with induction motor load and its capability in compensating voltage sags and effect of changing FCL parameters. It was observed that the impact of the induction motor load on the performance of the SSFCL proves that the limiting fault currents are greater as compared to the system with static loads. The current limiting reactor of the SSFCL plays an important role in compensating voltage sags caused by the different types of faults. Thus, the results of the SSFCL proved that it is a suitable device for limiting fault current within 2 ms which is the tolerable limit of the system. The developed models will be useful for further power quality studies in a distribution system. {\circledC} 2011 Praise Worthy Prize S.r.l.",
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