Intelligent Overcurrent and Distance Relays Coordination: A Comparative Analysis using GA, PSO and TLBO

Roy, Saptarshi; Babu, P. Suresh; Babu, N V Phanendra

doi:10.1109/icees.2018.8442329

Cited by 10 publications

(4 citation statements)

References 10 publications

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“…Usually the critical fault location is situated within 12% length of each transmission line [37]. The output results are obtained by applying the TLBO (Teaching learning based optimization) for a network shown in Figure 3.…”

Section: A Results Of Ieee 5 Bus Systemmentioning

confidence: 99%

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Intelligent Coordination of Overcurrent and Distance Relays using Meta Heuristic Algorithms

Roy¹,

PERLI²,

Babu³

2018

IJEEI

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Relay coordination is very important from the point of view of security and healthy operation of power system. Relays should be organized in such a way that every relay should have at least one back up relay and coordination time interval between primary and secondary relays should be maintained. This paper presents the solution of relay coordination problem using Teaching learning based optimization technique (TLBO) by utilizing an IEEE 5 bus and IEEE 30 bus test system. The obtained results are compared with the results obtained from other contemporary meta-heuristic techniques like Genetic Algorithm (GA) and Particle Swarm Optimization technique (PSO). It is observed that TLBO is the best among those with respect to process speed. After this we have done an extension of the work by introducing critical element and network graph theory based relay minimization technique. It is expected that this analysis will be helpful to maintain the network reliability and healthy flow of power.

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Section: A Results Of Ieee 5 Bus Systemmentioning

confidence: 99%

“…Here, in this particular case, no.2 (Standard inverse) characteristics is frequently used. But the other characteristics also have equal importance when the types of faults or location or size of the test system (specially higher order test system) will change [37].…”

Section: Figure 14 Comparison Of Optimum Time Setting Multipliers Ofmentioning

confidence: 99%

Intelligent Coordination of Overcurrent and Distance Relays using Meta Heuristic Algorithms

Roy¹,

PERLI²,

Babu³

2018

IJEEI

Self Cite

View full text Add to dashboard Cite

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“…Hereafter, for simplicity the notation (t) is removed from all terms. Substituting Equation (24) into Equation ( 23) and performing Taylor's expansion and neglecting higher-order terms [46], we have…”

Section: Hybrid Anfis-sarima Modelmentioning

confidence: 99%

A Robust Adaptive Overcurrent Relay Coordination Scheme for Wind-Farm-Integrated Power Systems Based on Forecasting the Wind Dynamics for Smart Energy Systems

et al. 2020

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Conventional protection schemes in the distribution system are liable to suffer from high penetration of renewable energy source-based distributed generation (RES-DG). The characteristics of RES-DG, such as wind turbine generators (WTGs), are stochastic due to the intermittent behavior of wind dynamics (WD). It can fluctuate the fault current level, which in turn creates the overcurrent relay coordination (ORC) problem. In this paper, the effects of WD such as wind speed and direction on the short-circuit current contribution from a WTG is investigated, and a robust adaptive overcurrent relay coordination scheme is proposed by forecasting the WD. The seasonal autoregression integrated moving average (SARIMA) and artificial neuro-fuzzy inference system (ANFIS) are implemented for forecasting periodic and nonperiodic WD, respectively, and the fault current level is calculated in advance. Furthermore, the ORC problem is optimized using hybrid Harris hawks optimization and linear programming (HHO–LP) to minimize the operating times of relays. The proposed algorithm is tested on the modified IEEE-8 bus system with wind farms, and the overcurrent relay (OCR) miscoordination caused by WD is eliminated. To further prove the effectiveness of the algorithm, it is also tested in a typical wind-farm-integrated substation. Compared to conventional protection schemes, the results of the proposed scheme were found to be promising in fault isolation with a remarkable reduction in the total operation time of relays and zero miscoordination.

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“…In order to fix this issue, interconnected systems must be used complicated methods to achieve the best result in a minimum outage of the power system while completing this analysis with output results from the actual data of commercial buildings [11]. Besides that, a better result can be simulated using a heuristics algorithm technique and intelligent relay characteristics [12,13].…”

Section: Introductionmentioning

confidence: 99%

Protection Relay Setting based on Overcurrent Phenomena in Commercial Building

Isyraq Faizzi Mohammad,

Mohamad Nur Khairul Hafizi Rohani,

Afifah Shuhada Rosmi

et al. 2023

ARASET

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Nowadays, every single distribution system needs to install an appropriate relay to keep the system safe. The operational and commonly recommended relay for distribution systems is the overcurrent (OC) relay. Throughout the distribution system, the protective relay is one of the methods that can detect and protect the location according to its observation from any fault from abnormal activity. Note that time coordination between the protective equipment relay needs to be a minimum of time interruption to prevent faults occurs. The ideal setting for all coordination protection relays is necessary to protect the device against electrical failure and interference. This paper analyzes the real results data collected for the selected commercial building of an OC relay implemented in a distribution board for high voltage and low voltage downward at a commercial building. All the parameters need to be clarified first before testing has been made and measurement is carried out using the MICROTEST 860 set. Based on the analysis, it proves that according to the IEC Standard of 0.10-time multiplier Setting (TMS) is practical to be used to obtain the operation time in seconds for the current curve set. Other than that, the results show that the normal inverse curve from manual calculation results is more accurate compared to the service setting (SS) made based on the incoming setting in a real commercial building. The case study for OC relay setting is related between current injection and time-tripping, which complies with the IEC 60255-3 standard using its formula. This method was applied to determine the characteristics of the curve. Hence, this research successfully determined the proper methods for the OC relay setting for the power distribution system. Besides, the feasibility and efficiency of OC relay data transmission are tested and checked successfully to implement the measurement method in the relay coordination study.

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Intelligent Overcurrent and Distance Relays Coordination: A Comparative Analysis using GA, PSO and TLBO

Cited by 10 publications

References 10 publications

Intelligent Coordination of Overcurrent and Distance Relays using Meta Heuristic Algorithms

Intelligent Coordination of Overcurrent and Distance Relays using Meta Heuristic Algorithms

A Robust Adaptive Overcurrent Relay Coordination Scheme for Wind-Farm-Integrated Power Systems Based on Forecasting the Wind Dynamics for Smart Energy Systems

Protection Relay Setting based on Overcurrent Phenomena in Commercial Building

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