Transient analysis of induction generator jointed to network at balanced and unbalanced short circuit faults

Dashti, Rahman; Vahedi, A.; Ranjbar, Babak; Babachahi, D.

doi:10.1109/upec.2007.4468928

Cited by 2 publications

(3 citation statements)

References 7 publications

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“…generating stations, Benue, Sokoto, Kebbi, Borno generating stations, and loss of Rivers state load. These are transient faults carried out using electromechanical transients simulation method in PowerFactory software [11][12][13][17][18][19][20].…”

Section: Transient Analysismentioning

confidence: 99%

Investigation of Nigerian 330 Kv Electrical Network with Distributed Generation Penetration − Part I: Basic Analyses.

Ariyo¹

2012

IJEPE

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Abstract:The first part of this paper presents the basic analyses carried out on Nigerian 330 kV electrical network with distributed generation (DG) penetration. The analyses include load flow, short circuit, transient stability, modal/eigenvalues calculation and harmonics. The proposed network is an expanded network of the present network incorporating wind, solar and small-hydro sources. The choice of some locations of distributed generation has been proposed by energy commission of Nigeria (ECN). The conventional sources and distributed generation were modeled using a calculation program called PowerFactory, written by digsilent. Short-circuit analysis is used in determining the expected maximum currents, while transients stability and modal analyses are considered during the planning, design and in determining the best economical operation for the proposed network. One common application of harmonic analysis is providing solution to series resonance problems. Also, they are very valuable for setting the proper protection devices to ensure the security of the system.

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Section: Transient Analysismentioning

confidence: 99%

Investigation of Nigerian 330 Kv Electrical Network with Distributed Generation Penetration − Part I: Basic Analyses.

Ariyo¹

2012

IJEPE

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“…As a result, the transient stability of them is an important issue for continuous operation of grid [1]. In the previous works, transient stability analysis for fault near IG and its impact on IG characteristics have been studied [1][2][3][4][5][6]. Appropriate model for squirrel cage IGs (SCIG), including singlesquirrel cage and double-squirrel cage IGs, is proposed for rotor speed stability studies [2].…”

Section: ) Introductionmentioning

confidence: 99%

“…The effect of network parameters on transient stability of wind farm has been studied in [5]. Also, in [6], the transient analysis of IG at unbalanced fault has been performed and it has been compared with that of IG at balanced fault.…”

Section: ) Introductionmentioning

confidence: 99%

Overcurrent Relays Coordination Considering Transient Stability Study of Induction Generator Using a Method Based on Terminal Voltage

Jam

chabanloo

Bagherzadeh

et al. 2022

IJRTEI

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Nowadays, with increasing penetration of Induction Generators (IG) in the electricity grid, it is of great importance that IG be connected to the grid in the fault conditions. In this paper, a terminal voltage based method for transient stability study of IG is proposed. For this purpose, an improved analytical method is used to determine Critical Clearing Time (CCT) of IG in the state of grid fault, including near and non-near faults. For the faults occurring far from the terminal of generator, electromagnetic torque is not equal to zero during fault. Hence, equivalent circuit model of IG and network is used to calculate the CCT. A new formulation based on terminal voltage of IG is presented to consider the stability constraint on Over Current Relay (OCR) coordination, to prevent disconnecting of IG in grid fault condition. Simulations are carried out on two samples network, and the results demonstrate the efficiency of proposed method.

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Transient analysis of induction generator jointed to network at balanced and unbalanced short circuit faults

Cited by 2 publications

References 7 publications

Investigation of Nigerian 330 Kv Electrical Network with Distributed Generation Penetration − Part I: Basic Analyses.

Investigation of Nigerian 330 Kv Electrical Network with Distributed Generation Penetration − Part I: Basic Analyses.

Overcurrent Relays Coordination Considering Transient Stability Study of Induction Generator Using a Method Based on Terminal Voltage

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