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Implicitly-coupled electromechanical...

Zhang, Xu.

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Implicitly-coupled electromechanical and electromagnetic transient analysis.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Implicitly-coupled electromechanical and electromagnetic transient analysis./
Author:	Zhang, Xu.
Description:	114 p.
Notes:	Source: Dissertation Abstracts International, Volume: 76-12(E), Section: B.
Contained By:	Dissertation Abstracts International76-12B(E).
Subject:	Electrical engineering. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3664035
ISBN:	9781339100968

Implicitly-coupled electromechanical and electromagnetic transient analysis.
Zhang, Xu.

Implicitly-coupled electromechanical and electromagnetic transient analysis. - 114 p.

Source: Dissertation Abstracts International, Volume: 76-12(E), Section: B.

Thesis (Ph.D.)--Illinois Institute of Technology, 2015.

The operation of an electrical power system involves continuous electromechanical and electromagnetic interaction of energy among the system components. Under normal operation, the system behavior could be represented by voltage and current phasors in the frequency domain. However, the system may not work on the fundamental frequency following some fast transients (loss of generator, switching event, system disturbance and etc.), at this time we need specific tools to investigate the dynamic scenario.

ISBN: 9781339100968Subjects--Topical Terms:

649834
Electrical engineering.

Implicitly-coupled electromechanical and electromagnetic transient analysis.
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020 $a 9781339100968
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100 1 $a Zhang, Xu. $3 1020737
245 1 0 $a Implicitly-coupled electromechanical and electromagnetic transient analysis.
300 $a 114 p.
500 $a Source: Dissertation Abstracts International, Volume: 76-12(E), Section: B.
500 $a Adviser: Alexander J. Flueck.
502 $a Thesis (Ph.D.)--Illinois Institute of Technology, 2015.
520 $a The operation of an electrical power system involves continuous electromechanical and electromagnetic interaction of energy among the system components. Under normal operation, the system behavior could be represented by voltage and current phasors in the frequency domain. However, the system may not work on the fundamental frequency following some fast transients (loss of generator, switching event, system disturbance and etc.), at this time we need specific tools to investigate the dynamic scenario.
520 $a Transient stability (TS) simulator, also referred to as electromechanical transient simulator, running at time steps on the order of milliseconds and only capable of capturing the fundamental frequency transient, is used for the analysis of large-scale networks. On the other hand the electromagnetic transient (EMT) simulator running at time steps on the order of microseconds, with detailed equipment modeling is capable of analyzing transients over a wider frequency spectrum; however, it is computationally onerous, so it is typically restricted to the analysis of small networks.
520 $a An electromechanical-electromagnetic transient simulator is the combination of a TS simulator and an EMT simulator, inheriting the merits of both programs The basic idea of an electromechanical-electromagnetic simulator is to decompose the power system into two broad categories: a large connected TS network (main network) and smaller EMT network (detailed subsystem). The main network is running on TS simulator while the detailed subsystem is running on the EMT simulator. The implicitly-coupled electromechanical and electromagnetic simulator has TS and EMT simulators coupled at the equation solution level, which could ensure the consistence of the solution between TS and EMT simulation.
520 $a Instead of using fundamental frequency equivalent model of the main network in EMT simulation of implicitly-coupled electromechanical and electromagnetic simulator, a frequency dependent network equivalent (FDNE) model is utilized to preserve the non-fundamental frequency fast transient response of the main network.
520 $a Along with the implementation of FDNE model, this research work also propose a new TS simulator that is capable of running three-phase transient stability simulation under fundamental and non-fundamental frequency simultaneously. Furthermore the performance of implicitly-coupled electromechanical-electromagnetic transient simulator could be improved with the implementation of this new TS simulator.
590 $a School code: 0091.
650 4 $a Electrical engineering. $3 649834
690 $a 0544
710 2 $a Illinois Institute of Technology. $3 1018749
773 0 $t Dissertation Abstracts International $g 76-12B(E).
790 $a 0091
791 $a Ph.D.
792 $a 2015
793 $a English
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3664035