Search Results - subject:"Optimal Power Flow"

A novel approach to multi-objective optimal power flow by a new hybrid optimization algorithm considering generator constraints and multi-fuel type

Narimani, Mohammad Rasoul; Azizipanah-Abarghooee, Rasoul; … - In: Energy 49 (2013) C, pp. 119-136

algorithms (SFLA) for solving the Optimal Power Flow (OPF) in power systems. In consequence of economical issues and increasing …

Persistent link: https://www.econbiz.de/10011054508

Semi-infinite programming method for optimal power flow with transient stability and variable clearing time of faults

Tong, Xiaojiao; Ling, Chen; Wu, Soon-Yi; Qi, Liqun - In: Journal of Global Optimization 55 (2013) 4, pp. 813-830

two contributions. Firstly, it generalizes the OTS study to general optimal power flow with transient stability problems …This paper presents a new nonlinear programming problem arising in the control of power systems, called optimal power … flow with transient stability constraint and variable clearing time of faults and abbreviated as OTS-VT. The OTS-VT model …

Persistent link: https://www.econbiz.de/10010634260

Reserve constrained dynamic optimal power flow subject to valve-point effects, prohibited zones and multi-fuel constraints

Niknam, Taher; Azizipanah-Abarghooee, Rasoul; Narimani, … - In: Energy 47 (2012) 1, pp. 451-464

constrained dynamic optimal power flow. The optimal power flow (OPF) is applied to develop the corrective strategies and to make … environment, so to cope with this problem it is necessary to solve the dynamic optimal power flow which considers time …

Persistent link: https://www.econbiz.de/10010807589

Optimal power flow solutions through multi-objective programming

Salgado, R.S.; Rangel, E.L. - In: Energy 42 (2012) 1, pp. 35-45

Despite the progress achieved in the development of optimal power flow (OPF) programs, most of the solution techniques …

Persistent link: https://www.econbiz.de/10010808306

Market-based valuation of transmission network expansion. A heuristic application in GB

Chamorro, José M.; Abadie, Luis M.; de Neufville, Richard - In: Energy 44 (2012) 1, pp. 302-320

Transmission investments are currently needed to meet an increasing electricity demand while enhancing security of supply, promoting competition, and integrating renewable energy. A key issue when assessing the benefits from an expanded grid concerns the valuation of the uncertain cash flows...

Persistent link: https://www.econbiz.de/10011055617

A 2020 GB transmission network study using dispersed wind farm power output

Gerber, Annelies; Qadrdan, Meysam; Chaudry, Modassar; … - In: Renewable Energy 37 (2012) 1, pp. 124-132

A large amount of wind power generation capacity is expected to be installed in Great Britain by 2020. A considerable amount of this capacity will be located in Scotland. This will require reinforcement of power transmission capacity between Scotland and England. Analysis of the impact of a...

Persistent link: https://www.econbiz.de/10011043818

A Primer on Optimal Power Flow: Theory, Formulation, and Practical Examples

Frank, Stephen; Rebennack, Steffen - Division of Economics and Business, Colorado School of Mines - 2012

The set of optimization problems in electric power systems engineering known collectively as Optimal Power Flow (OPF …

Persistent link: https://www.econbiz.de/10010748279

A modified Primal–Dual Logarithmic-Barrier Method for solving the Optimal Power Flow problem with discrete and continuous control variables

Soler, Edilaine Martins; Sousa, Vanusa Alves de; Costa, … - In: European Journal of Operational Research 222 (2012) 3, pp. 616-622

The aim of solving the Optimal Power Flow problem is to determine the optimal state of an electric power transmission … of a given system, while satisfying its physical and operating constraints. The Optimal Power Flow problem is modeled as … variables of the Optimal Power Flow problem. A penalty function is presented. Due to the inclusion of the penalty function into …

Persistent link: https://www.econbiz.de/10010597656

Assessment of the Norwegian Transmission Pricing Rules by Using a Modified AC-OPF

Stamtsis, Georgios C.; Bjørndal, Mette; Erlich, István; … - Institutt for foretaksøkonomi, Norges Handelshøyskole … - 2004

power flow model, and develops a method for finding zonal prices consistent with a restricted AC optimal power flow. The …

Persistent link: https://www.econbiz.de/10005645083

Market-clearing for pricing system security based on voltage stability criteria

Kim, M.K.; Park, J.K.; Nam, Y.W. - In: Energy 36 (2011) 2, pp. 1255-1264

power flow (VSC-OPF) problem for providing market solutions by means of a function of complying with the required voltage … markets, with special emphasis on voltage stability. The market-clearing algorithm is modeled as voltage stability constrained-optimal …

Persistent link: https://www.econbiz.de/10010808759