Pragmatic approach for multistage phasor measurement unit placement: a case study of the Danish power system and inputs from practical experience

Rather, Zakir Hussain; Chen, Zhe; Thøgersen, Paul; Lund, Per

doi:10.1002/etep.2218

Cited by 5 publications

(4 citation statements)

References 46 publications

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“…The current power transmission protection schemes for largescale wind farms have various challenges in HV power transmission networks [9][10][11][12][13][14][15][16]. The use of synchronised PMUs installed at both sides of each transmission line based on a global positioning system (GPS) and a high-speed communication system is one of the numerous options to discriminate internal and external faults of interconnected lines.…”

Section: Literature Reviewmentioning

confidence: 99%

“…The use of synchronised PMUs installed at both sides of each transmission line based on a global positioning system (GPS) and a high-speed communication system is one of the numerous options to discriminate internal and external faults of interconnected lines. Rather et al [10] proposed a pragmatic approach of PMUs to allocate PMU placement optimally for the effective grid-state monitoring of wind generation dynamics. Prakash et al [11] proposed a matrix pencil method as a filter for PMU supported distance relays to eliminate interharmonic signals in the IEEE 14-bus system, which is a series compensated line integrated with the wind energy system.…”

Section: Literature Reviewmentioning

confidence: 99%

“…Rather et al . [10] proposed a pragmatic approach of PMUs to allocate PMU placement optimally for the effective grid‐state monitoring of wind generation dynamics. Prakash et al [11] proposed a matrix pencil method as a filter for PMU supported distance relays to eliminate inter‐harmonic signals in the IEEE 14‐bus system, which is a series compensated line integrated with the wind energy system.…”

Section: Introductionmentioning

confidence: 99%

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Fault classifications of MV transmission lines connected to wind farms using non‐intrusive fault monitoring techniques on HV utility side

Chang

2020

IET gener. transm. distrib.

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The fault classification of medium-voltage transmission lines consisting of wind farms connected to the high-voltage (HV) transmission networks is carried out using the power-spectrum-based hyperbolic S-transform (HST) powerful technique for analysing non-linear and non-stationary fault signals through the non-intrusive monitoring systems. The HST technique extracts the useful features in the time-frequency domain from measuring fault current waveforms of the HV utility side to discriminate the fault types. Parseval's theorem is applied to each HST coefficient to quantify the energy distribution of various fault types for reducing the size of inputs for recognition algorithms. Next, multiclass support vector machines achieve identification. The results have proved that the proposed classification technique is independent of fault resistance, source impedance, and fault inception angles. Extensive simulations are conducted using the electromagnetic transients program to show that the recognition accuracy of the fault classification for all types is up to 96.84%.

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Section: Literature Reviewmentioning

confidence: 99%

Section: Literature Reviewmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Fault classifications of MV transmission lines connected to wind farms using non‐intrusive fault monitoring techniques on HV utility side

Chang

2020

IET gener. transm. distrib.

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“…Renewable integration has been included in OPP in Rather et al A pragmatic approach was used to find a cost‐effective stage‐wise PMU placement scheme. First, the OPP scheme is derived by PSO, and then it is scheduled over different stages.…”

Section: Introductionmentioning

confidence: 99%

How optimal PMU placement can mitigate cascading outages blackouts?

Karimi

Ebrahimi

Tavakoli

2019

Int Trans Electr Energ Syst

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Summary The conventional optimal PMU placement (OPP) methods minimize the number of PMUs along with guarantying full observability of the system. However, various OPP schemes with the same number of PMUs obtained for a power system have different performances in emergency conditions. Cascading outages as the major cause of recent large blackouts cancel out full observability of the system and decrease situational awareness. In this paper, the OPA model previously developed to simulate power system blackouts is modified in order to include observability analysis through the progress of the cascading outages. The modified process is performed in turn for a given set of OPP schemes. To rank these schemes, a criterion is proposed as a monetary value using produced data by the modified OPA model. Scalability of the proposed procedure is investigated in two test systems. Simulations show that although considering N‐1 criterion in finding optimal PMU schemes decreases the consequences of transmission line cascading outages, it is not financially reasonable and does not lead to better performance of the OPP scheme. In other words, it is better to use OPP schemes in normal condition.

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A critical review of methods for optimal placement of phasor measurement units

Johnson

Moger

2020

Int Trans Electr Energ Syst

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Summary Situational awareness of the electric power system is the need of the hour. This is in the wake of recent blackouts in various parts of the world. These blackouts could have been prevented with better telemetry and real‐time monitoring of power system states. A fast and reliable measuring system with devices optimally employed across the network shall enable reliable system operation. Faster situational awareness and visualization helps the system operator to take faster preventive measures and maintain system stability. Wide Area Monitoring System uses phasor measurement units (PMUs) to measure power system states. PMUs measure synchronously real‐time voltages at various buses and current phasors, which are flowing toward these buses. But, there is a need to optimally find the locations for installation of PMUs in the network for an observable system, with minimum investment. This optimal placement of PMUs (OPP) is a binary optimization problem, combinatorial in nature. In this paper, progress achieved until now in the field of OPP studies are consolidated. A discussion on the characteristics of problem formulations and shortcomings of methods and constraints considered has been done. Challenges have been highlighted to provide a good foundation for new researchers.

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Pragmatic approach for multistage phasor measurement unit placement: a case study of the Danish power system and inputs from practical experience

Cited by 5 publications

References 46 publications

Fault classifications of MV transmission lines connected to wind farms using non‐intrusive fault monitoring techniques on HV utility side

Fault classifications of MV transmission lines connected to wind farms using non‐intrusive fault monitoring techniques on HV utility side

How optimal PMU placement can mitigate cascading outages blackouts?

A critical review of methods for optimal placement of phasor measurement units

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