Results 1 to 10 of about 1,796,114 (291)

Newton Power Flow Methods for Unbalanced Three-Phase Distribution Networks [PDF]

open access: yesEnergies, 2017
Two mismatch functions (power or current) and three coordinates (polar, Cartesian and complex form) result in six versions of the Newton–Raphson method for the solution of power flow problems. In this paper, five new versions of the Newton power flow method developed for single-phase problems in our previous paper are extended to three-phase power flow
Baljinnyam Sereeter   +2 more
exaly   +6 more sources

Robust Power Flow and Three-Phase Power Flow Analyses [PDF]

open access: yesIEEE Transactions on Power Systems, 2019
Robust simulation is essential for reliable operation and planning of transmission and distribution power grids. At present, disparate methods exist for steady-state analysis of the transmission (power flow) and distribution power grid (three-phase power flow).
Amritanshu Pandey   +2 more
exaly   +3 more sources

Three-Phase Custom Power Active Transformer for Power Flow Control Applications [PDF]

open access: yesIEEE Transactions on Power Electronics, 2019
Peer ...
Atef Abbas Elsaharty, Mohamed   +3 more
openaire   +3 more sources

Small scale structures in three-dimensional magnetohydrodynamic turbulence [PDF]

open access: yes, 2006
We investigate using direct numerical simulations with grids up to 1536^3 points, the rate at which small scales develop in a decaying three-dimensional MHD flow both for deterministic and random initial conditions.
A. G. Pouquet   +10 more
core   +3 more sources

On-off intermittency and amplitude-phase synchronization in Keplerian shear flows [PDF]

open access: yes, 2014
We study the development of coherent structures in local simulations of the magnetorotational instability in accretion discs in regimes of on-off intermittency. In a previous paper [Chian et al., Phys. Rev. Lett.
Chian, Abraham C. -L.   +2 more
core   +1 more source

Three-dimensional structures of the spatiotemporal nonlinear Schrödinger equation with power-law nonlinearity in PT-symmetric potentials [PDF]

open access: yes, 2014
The spatiotemporal nonlinear Schrödinger equation with power-law nonlinearity in PT-symmetric potentials is investigated, and two families of analytical three-dimensional spatiotemporal structure solutions are obtained.
Dai, Chao-Qing, Wang, Yan
core   +2 more sources

Design of experiment for the optimisation of deep reactive ion etching of silicon inserts for micro-fabrication [PDF]

open access: yes, 2012
The following paper describes a design of experiments investigation of the deep reactive of pillar structures on a silicon wafer. The etched wafers would subsequently be used as masters for the fabrication of nickel mould inserts for microinjection ...
Alcock, Jeffrey R.   +2 more
core   +1 more source

Reusing three-phase power-flow object components for unbalanced harmonic analysis [PDF]

open access: yes, 2006
In this paper, the harmonic penetration method is developed as a component-based application. The direct nodal voltage harmonic solution is developed as an independent software component and then integrated with existing three-phase power-flow software ...
Abdel-Akher, M.   +3 more
core   +1 more source

Direct test of defect mediated laser induced melting theory for two dimensional solids [PDF]

open access: yes, 2005
We investigate by direct numerical solution of appropriate renormalization flow equations, the validity of a recent dislocation unbinding theory for laser induced freezing/melting in two dimensions.
B. V. Derjaguin   +10 more
core   +2 more sources

Frequency and fundamental signal measurement algorithms for distributed control and protection applications [PDF]

open access: yes, 2009
Increasing penetration of distributed generation within electricity networks leads to the requirement for cheap, integrated, protection and control systems.
Burt, G.M.   +2 more
core   +1 more source

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