Stability Analysis for the Distribution Networks with Distributed Generation

Tran, Quoc Tuan; Thanh, Le Xuan; Andrieu,; Hadjsaid,; Kieny,; Sabonnadiere,; Le, '; Devaux,; Chilard,

doi:10.1109/tdc.2006.1668506

Cited by 16 publications

(6 citation statements)

References 7 publications

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“…Tran-Quoc et al used 0.04 to 5 MVA sized micro-turbines with a model representing the rotating machine, the governor, and the excitation system with four equivalent windings [14].…”

Section: ) Rotating Generatorsmentioning

confidence: 99%

“…[14] The transient stability margins of DG themselves are low; but individually their tripping would cause less transients in the power system. However, to really make use of DG to increase the transient stability of the overall transmission system, reference [13] concludes that the stability of the individual DG units themselves has to be improved.…”

Section: Transient Power System Stability Studiesmentioning

confidence: 99%

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Dynamic models for transient stability analysis of transmission and distribution systems with distributed generation: An overview

Boemer

Gibescu

Kling

2009

2009 IEEE Bucharest PowerTech

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Abstract-Distributed Generation is increasing in nowadays power systems. Small scale systems such as photovoltaic, biomass or small cogeneration plants are connected to the distribution level, while large wind farms will be connected to the transmission level. Both trends lead to a replacement of large synchronous generators as the dominating generation technology. Up to now, transient stability of transmission systems has been analysed to a satisfactory degree of accuracy with a simplified representation of the distribution systems. In future, distributed generation will more and more influence the behaviour of the system. Stiff, inverter-based local generation technologies may improve the system stability; however, increasing electrical distances between large synchronous generators in operation will impede the system stability. These (and other) diverging effects have to be studied in detail. This overview paper summarises the latest findings and reveals future research questions. It is concluded that the accuracy and validity of the currently applied dynamic models for transient stability analysis of power systems with high penetration of DG should be further investigated.

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“…Tran-Quoc et al used 0.04 to 5 MVA sized micro-turbines with a model representing the rotating machine, the governor, and the excitation system with four equivalent windings [14].…”

Section: ) Rotating Generatorsmentioning

confidence: 99%

Section: Transient Power System Stability Studiesmentioning

confidence: 99%

Dynamic models for transient stability analysis of transmission and distribution systems with distributed generation: An overview

Boemer

Gibescu

Kling

2009

2009 IEEE Bucharest PowerTech

View full text Add to dashboard Cite

show abstract

“…controllable to meet the demand. However, in the "horizontally-operated" power system, the DG units in the "active" distribution networks are practically non-dispatchable [2].…”

Section: Introductionmentioning

confidence: 99%

Full Probabilistic Characteristics of Power Losses in the Electrical Power System Branches

Bay¹,

Razzhivin²,

Kievets³

et al. 2020

EEA

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Stable operation of the electrical power system (EPS) is one of the main issues considered in the power industry. Current levels of electricity consumption lead to the need to increase the generated capacity, repeatedly converting and complicating the original circuit. In addition to this, given the current trend towards the use of renewable energy sources (RES), more and more uncertainties are added, that are difficult to predict. Events in the EPS, and especially in the case of RES, are deterministic, i.e. random. This leads to the fact that it is difficult to fully assess the EPS stability and the possible power loss. It is also difficult to determine the amount of permissible power generated by RES, which will not lead to subsequent mode violations. The purpose of this article is to test the developed SIBD method for obtaining the full probabilistic characteristics of power losses in each branch. This method, unlike the Monte Carlo methods, does not use a random sample of initial data, but completely covers the studied functional dependence (FD). The method is used to obtain the probability distribution laws (PDLs) of power losses in transmission lines based on unmodified IEEE 30-Bus and IEEE 14-Bus systems and their examination. These laws are necessary for further determination of the optimal EPS operating modes, to solve the problem of determining the optimal RES installation, the required amount of renewable generated energy in a nondeterministic way.

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“…Systems with more number of sources can provide more reliability and better quality power [6]. Several researchers worked with single DG source [7][8][9][10]. The system inertia for solar PV or fuel cell is very low [11].…”

Section: Introductionmentioning

confidence: 99%

Effect of Penetration of Solar DGs on Transient Stability of Captive Power Generation Units

S¹,

D²,

Ravindra³

2019

IJEAT

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In this work, transient stability analysis of industrial generator units is carried out using rigorous simulation study. The effect of Solar Distributed Generator Units on transient stability of captive power units is studied in this work. Industrial system with 39 Buses is considered with one utility bus, and nine captive generation units. The total active power load of the system is 121.57 MW and reactive power demand is 56.6 MVAr. The work is carried out in two stages. In the first stage, Critical Clearing Times (CCTs) are obtained without introducing any DG. In the second stage, CCTs are obtained with four Solar Power DGs at four different load buses. Triple line to ground faults at 9 Generator buses and 7 load buses are considered for obtaining Critical Clearing Times (CCT). It is observed that transient stability of system is improved by placing DGs. For the faults on Generator buses, CCTs are improved by 14.6% with DGs on average. For the faults on load buses, CCTs are improved by 27% with DGs on average. The detailed results are tabulated in this paper.

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Stability Analysis for the Distribution Networks with Distributed Generation

Cited by 16 publications

References 7 publications

Dynamic models for transient stability analysis of transmission and distribution systems with distributed generation: An overview

Dynamic models for transient stability analysis of transmission and distribution systems with distributed generation: An overview

Full Probabilistic Characteristics of Power Losses in the Electrical Power System Branches

Effect of Penetration of Solar DGs on Transient Stability of Captive Power Generation Units

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