A variable gain PI to improve the performances of a unified power flow controller system [PDF]
, 2017 The instability problems in the electrical supply networks have had a great impact on recent research studies on modern devices. The unified power flow controller (UPFC) is one of the various FACTS (Flexible Alternative Current Transmission Sys-tems ...
Hartani, K. (Kada) +2 more
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Zhongguo dianli, 2019 The technical level, architecture and reliability of computer supervisory control system and control & protection system are closely related to the safe and economic operation of UPFC.
Hubao CUI +3 more
doaj +1 more source
Generalised Predictive Control of a 12-bus Network Using Neutral-Point Clamped Voltage Source Converter UPFC [PDF]
, 2014 The paper presents the application of a UPFC to a case study of a 12-bus high power network. The UPFC shunt converter employs 8 3-level Neutral Point Clamped (NPC) voltage source converters (VSC) and 12 single-phase three-winding phase shifting ...
Chong, BVP, Kokkinakis, M, Zhang, L
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Non Linear Modelling and Control of Unified Power Flow Controller [PDF]
E3S Web of ConferencesUnified Power Flow Controller is modeled as a non linear system in order to apply a non linear control technique for the improvement of power flow in a Single Machine Infinite Bus system.
Ravikumar N.V.A. +2 more
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Matrix Converter-Based Unified Power-Flow Controllers: Advanced Direct Power Control Method [PDF]
, 2011 This paper presents a direct power control (DPC) for three-phase matrix converters operating as unified power flow controllers (UPFCs). Matrix converters (MCs) allow the direct ac/ac power conversion without dc energy storage links; therefore, the MC ...
Monteiro, Joaquim +3 more
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DAMPING ABILITY STUDY FOR UPFC
Electrica, 2008 This paper using the state space theory deduces the mathematical model for the single-machine infinite-bus systems with UPFC. And the eigenvalue method is employed to analyze the damping ability of UPFC.
Aihong TANG, Jiaoyu LIU, Youxin YUAN
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Control of distributed power flow controllers using active power from homopolar line currents [PDF]
, 2012 Flexible AC Transmission Systems (FACTS) devices can be used for power flow control in AC transmission grids, improving power line utilization and performance. Nowadays, Unified Power Flow Controllers (UPFC) are one of the most useful FACTS, allowing the
Martins, I. E. +3 more
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Control and Limit Enforcements for VSC Multi-Terminal HVDC in Newton Power Flow
, 2017 This paper proposes a novel method to automatically enforce controls and limits for Voltage Source Converter (VSC) based multi-terminal HVDC in the Newton power flow iteration process.
Cui, Hantao, Li, Fangxing, Yuan, Haoyu
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Simultaneous design of damping controllers and internal controllers of a unified power flow controller [PDF]
, 2006 In this paper, the use of a supplementary controller of a unified power flow controller (UPFC) to damp low frequency oscillations is investigated.
Abdel-Magid, Y.L. +2 more
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Quantitative Evaluation Method and Application Scheme of 500 kV UPFC Applicable Scene
Zhongguo dianli, 2019 In order to solve the problem of UPFC installation location selection at UHV level in actual grid planning, this paper first summarizes UPFC’s configuration principle based on existing engineering experience.
Xuhui SHEN +4 more
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