Vulnerability mitigation of transmission line outages using demand response approach with distribution factors

Chaichana, Artitaya; Syed, Mazheruddin H.; Burt, Graeme

doi:10.1109/eeeic.2016.7555666

Cited by 4 publications

(3 citation statements)

References 17 publications

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“…A Line Outage Distribution Factor (LODF) and a Power Transfer Distribution Factor (PTDF) has been proposed to determine the most efficient demand-side action within a localized setting. By building in scenario data, a power system operator can take advantage of PTDF and LODF to determine the likelihood of a line fault and avert future line outages under extreme weather or local line flow events [16].…”

Section: A Models For Fault Mitigationmentioning

confidence: 99%

Fault Assessment and Mitigation of the 132kV Transmission Line in Nigeria using Improved Resonant Fault Current Limiting (RFCL) Protection Scheme

Idoniboyeobu

Braide

Chioma

2018

EJERS

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This research work proposed an improved Resonant Fault Current Limiting (RFCL) protection scheme to reduce the impact of three-phase short-circuit faults in a power system sub-transmission network. The model used an interpolator-extrapolator technique based on a Resonant Fault Current Limiter (RFCL) for automating the procedure of predicting the required reactor value that must be in resonant circuit to limit the short-circuit current values to permissible values. Using the developed model, short-circuit fault simulations on the three phases of the transmission line (Phase A-C) were performed in the MATLAB-SIMULINK environment. Simulation results were obtained by varying the resonant inductance (reactor) parameter of the RFCL circuit for each of the phases to obtain permissible short-circuit current levels and the values used to program a functional interpolator-extrapolator in MATLAB; the resonant values were typically set to values of inductance equal to 0.001H, 0.01H and from 0.1H to 0.5H in steps of 0.1H. Simulation results revealed the presence of very high short-circuit current levels at low values of the resonant inductor. From the results of simulations, there are indications that the RFCL approach is indeed very vital in the reduction of the short circuit current values during the fault and can safeguard the circuit breaker mechanism in the examined power system sub-transmission system. In addition, lower fault clearing times can be obtained at higher values of inductances; however, the clearance times start to converge at inductance values of 0.1H and above.

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Section: A Models For Fault Mitigationmentioning

confidence: 99%

Fault Assessment and Mitigation of the 132kV Transmission Line in Nigeria using Improved Resonant Fault Current Limiting (RFCL) Protection Scheme

Idoniboyeobu

Braide

Chioma

2018

EJERS

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“…When distributed generators are connected to distribution lines, their response to variations in the line characteristics is weak [1][2][3][4][5]. Therefore, as the number of renewable energy sources, the amount of power transmitted from the transmission network to the distribution network decreases, which further leads to the frequent occurrence of the reversed power flow phenomenon, i.e., the amount of power transmitted from the distribution network to the transmission network increases [6][7][8].…”

Section: Introductionmentioning

confidence: 99%

Study on the Capacity of an Active Phase Controller for Autonomous Grid Connection

et al. 2020

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For the efficient power allocation of the distribution line, several studies on intelligent distribution management systems that enable connection or separation between distribution networks are being conducted. However, in case the systems are linked together and if the voltage and phase of each distribution network are different, uncontrolled circulating current and inrush current flow into the line. To resolve this, we introduced the active phase controller (APC) as a solution and performed an analysis using the capacity calculation method for the APC connected to each distribution network. When connecting lines between distribution networks, the phase of each contact was ensured to be the same. Specifically, the phase value compensated by each APC is different because the amounts of active power and reactive power to be controlled are also different. In this study, we analyzed the APC capacity according to the impedance state of the distribution line and calculated the APC output voltage for the phase matching of each distribution network at the connection point. As a result, the minimum design capacity of APC was derived; moreover, simulation results were used to validate the analysis.

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“…Its design is to ensure multiple and simultaneous control of associated grid components. Demand response (DR) was also proposed as an alternative to mitigating grid collapse by [5]. Outages in a network could be planned, forced or unplanned.…”

Section: Introductionmentioning

confidence: 99%

A Smart Grid Framework for Optimally Integrating Supply-Side, Demand-Side and Transmission Line Management Systems

et al. 2018

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A coordinated centralized energy management system (ConCEMS) is presented in this paper that seeks to integrate for optimal grid operation-the supply side energy management system (SSEMS), home energy management system (HEMS) and transmission line management system (TLMS). ConCEMS in ensuring the optimal operation of an IEEE 30-bus electricity network harmonizes the individual objective function of SSEMS, HEMS and TLMS to evolve an optimal dispatch of participating demand response (DR) loads that does not violate transmission line ampacity limits (TLMS constraint) while minimizing consumer cost (HEMS constraint) and supply side operations cost (SSEMS constraint). An externally constrained genetic algorithm (ExC-GA) that is influenced by feedback from TLMS is also presented that intelligently varies the dispatch time of participating DR loads to meet the individual objective functions. Hypothetical day ahead dynamic pricing schemes (Price1, Price2 and Price3) have also been adopted alongside an existing time of use (Price0) pricing scheme for comparison and discussion while a dynamic thermal line rating (DTLR) algorithm has also been incorporated to dynamically compute power limits based on real time associated data.

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Vulnerability mitigation of transmission line outages using demand response approach with distribution factors

Cited by 4 publications

References 17 publications

Fault Assessment and Mitigation of the 132kV Transmission Line in Nigeria using Improved Resonant Fault Current Limiting (RFCL) Protection Scheme

Fault Assessment and Mitigation of the 132kV Transmission Line in Nigeria using Improved Resonant Fault Current Limiting (RFCL) Protection Scheme

Study on the Capacity of an Active Phase Controller for Autonomous Grid Connection

A Smart Grid Framework for Optimally Integrating Supply-Side, Demand-Side and Transmission Line Management Systems

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