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Economical-environmental-technical optimal power flow solutions using a novel self-adaptive wild geese algorithm with stochastic wind and solar power. [PDF]

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Trojovský P, Trojovská E, Akbari E.
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Unified power flow controller (UPFC): modeling and analysis

IEEE Transactions on Power Delivery, 1999
The unified power flow controller (UPFC) is a novel power transmission controller. The UPFC provides a full dynamic control of transmission parameters, voltage, line impedance and phase angle. This paper presents a useful tool for power utilities engineers to evaluate the application of the UPFC, its impact on their power system and what would be the ...
A.J.F. Keri, A.S. Mehraban, X. Lombard, A. Eiriachy, A.A. Edris   +4 more
exaly   +2 more sources

Versatile control strategy of the unified power flow controller (UPFC)

2000 Canadian Conference on Electrical and Computer Engineering. Conference Proceedings. Navigating to a New Era (Cat. No.00TH8492), 2002
The unified power flow controller (UPFC) is a third generation flexible AC transmission system (FACTS) that uses solid state electronics to control the flow of power through lines in a faster and more economical fashion. In this paper, we propose a versatile control strategy of the UPFC that joins shunt active filtering and system balancing ...
K. Sedraoui, K. Al-Haddad, A. Chandra, G. Olivier   +3 more
openaire   +1 more source

Power flow control and loss minimization with unified power flow controller (UPFC)

Canadian Conference on Electrical and Computer Engineering 2004 (IEEE Cat. No.04CH37513), 2004
In this paper, the UPFC injection model is used to investigate its effect on load flow and loss reduction in power systems. In this study, the Newton-Raphson algorithm is modified to consider the benefits of having a UPFC in the power system. Simulations have been implemented in MATLAB and the IEEE 14-bus system has been used as a case study ...
A. Farhangfar, S.J. Sajjadi, S. Afsharnia   +2 more
openaire   +1 more source

Application of Unified Power Flow Controller (UPFC) in Jiangsu power system

2017 IEEE Power & Energy Society General Meeting, 2017
This paper presents applications of one operating 220 kV and the other constructing 500kV Unified Power Flow Controller (UPFC) projects in Jiangsu power system. The operating UPFC project in Nanjing Western Power Grid (NWPG) will be firstly introduced. Necessity and feasibility to utilise UPFC will be discussed.
Pengcheng Song
exaly   +2 more sources

A new approach for the dynamic control of unified power flow controller (UPFC)

2001 Power Engineering Society Summer Meeting. Conference Proceedings (Cat. No.01CH37262), 2001
This paper presents a new approach for the dynamic control of FACTS apparatus, such as the UPFC and the STATCOM. With the new control strategy, the capabilities of the UPFC can be exploited not only for steady state power flow control but also to improve damping and transient stability assuring a good behavior during contingencies and the protection of
K. Sedraoui, K. Al-haddad, G. Olivier
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Unified power flow controller (UPFC) under nonlinear control

Proceedings of the Power Conversion Conference-Osaka 2002 (Cat. No.02TH8579), 2003
The equations of the PWM voltage-source converter (PWM-VSC) are inherently nonlinear. This paper applies the nonlinear control, associated with A. Isidori, to the unified power flow controller (UPFC). Since the UPFC comprises two PWM-VSCs, this paper is one step further in complexity than the previous application of nonlinear control to the static ...
null Bin Lu, null Boon Teck Ooi
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Modelling and Application of Unified Power Flow Controller (UPFC)

2010 3rd International Conference on Emerging Trends in Engineering and Technology, 2010
The rapid developments on the area of power electronics have enabled the development of new equipments to be able to benefit more efficiently from the power systems. The equipments based on the power electronics have been improved under the name of Flexible Alternating Current Transmission Systems (FACTS) in the last years.
N. K. Sharma, P. P. Jagtap
exaly   +3 more sources

Visualization and investigation of unified power flow controller (UPFC) nonlinearity in power flow

2003 IEEE Power Engineering Society General Meeting (IEEE Cat. No.03CH37491), 2004
This paper investigates the nonlinearity of unified power flow controller (UPFC) on the power system load flow problem. Since the various UPFC parameters equations are nonlinear, a form of vector presentation in complex power plane is used to visualize the effect of different control parameters of UPFC on line power transfer.
S.A. Nabavi-Niaki, M.R. Iravani
openaire   +1 more source