...Gibran Agundis-Tinajero; Rafael Peña Gallardo; Juan Segundo-Ramírez; Nancy Visairo-Cruz; Josep M. Guerrero Purpose The purpose of this study is to present the performance evaluation of three shooting methods typically applied to obtain the periodic steady state of electric power systems...

... be contacted at: joergens@uni-wuppertal.de 19 12 2017 21 02 2018 02 03 2018 © Emerald Publishing Limited 2018 Emerald Publishing Limited Licensed re-use rights only Numerical simulation Thermal fields Field computation Electric fields Electric power systems (8...

... of the desired tasks and accuracy requirements. Design/methodology/approach Based on a differential-algebraic equation for the electric power system which is formulated with the Extended Nodal Approach, the automatic decomposition into reduced order models is shown in this paper. The paper investigates...

... is the sampling frequency. Now defining: © Emerald Group Publishing Limited 2016 Data analysis Analytical methods Electric power systems In most areas of research measuring devices are used to determine different parameters and variables of systems. Analysis of the measured signals helps...

... m_ij(t) are the duty-cycles of the nine switches S_ij(t) and can be represented by: (Equation 10) with: (Equation 11) © Emerald Group Publishing Limited 2015 Harmonics Fuzzy logic Electric power systems Three phase matrix converter SVM...

... Group Publishing Limited 2015 Electric converters Electric power systems Predictive techniques The increasing use of electric drives and power supplies in the industrial and residential installations has produced power quality degradation in the electrical networks. The harmonic...

... flow MATLAB Computing Electric power systems An optimal step‐size computation was applied to the complex power flow approach, following Iwamoto and Tamura (1981) . The step‐size μ can be computed as the minimizer of the real valued function: Equation 36 being a =[ R...

... in this paper shows that some solutions are better than others from an applicabability point of view. They will not exhaust rapidly the storage system. This approach can be implemented in virtual sources plant to avoid solutions with this so‐called W effect. Energy management Electric power systems Dulmage...

.... B represents the contribution of the voltage and current sources. Electric power systems Power electronics filters Optimum design Automatic frequency modelling Electromagnetic compatibility Filter design Optimization There may be a great impact of the electromagnetic behaviour due...

... Electric power systems Modelling Harmonics Analytical modelling Constrained optimization problem Frequency domain modelling Power electronics converters Power electronics converters can generate a high level of harmonic perturbations on embedded electrical systems (planes, ships, road...

... converters Topology Electric power systems Symmetrical diode‐clamped multi‐level inverters (Figure 1(a)) with n equal DC‐link voltages may produce up to 2n+1 voltage levels at their outputs. Having asymmetrical DC‐link voltages either by several input voltage sources or DC‐DC converters, may...

... Group Publishing Limited 2011 Turbines Control systems Modelling Electric power systems Propulsion can be accomplished by means of main diesel engines, steam turbines, gas turbines, electrical propulsion and so forth, although main diesel engines are used in the majority...

...) is as follows: Equation 1 where: p_bal(t) power balance; © Emerald Group Publishing Limited 2011 Design Simulation Modelling Electric power systems Nowadays, new ways of power delivery need to be developed. Several methods of power generation exist...

... Limited 2011 Electromagnetism Electric machines Flux Cost effectiveness Electric power systems Automotive industry Until the 1960s, automotive manufacturers did not worry about the cost of fuel. They had never heard of air pollution, and they never thought about life cycle. Ease...

... Lijuan Wu can be contacted at: ljwu@cuit.edu.cn © Emerald Group Publishing Limited 2010 Frequencies Capacitance Electric power systems Semiconductor devices The rapid growth of wireless systems at radio frequencies (RF) has created a huge demand for high‐performance RF subsystems...

...), the energy concentrate on the harmonic, the EMI level is high. The figures show that the EMI level in case of different β. © Emerald Group Publishing Limited 2010 Electromagnetism Voltage Switching systems Electric power systems Nowadays, with the trend of DC/DC converter towards...

... must fulfil the following conditions: Optimization techniques Systems analysis Electric power systems In the electrical equivalent circuit, each winding is represented by a perfect winding in series with an inductance. The perfect winding is defined by two parameters: the resistance...

...Andrezej Demenko; Matjaž Dolinar; Miloš Pantoš; Drago Dolinar Purpose The purpose of this paper is to present an improved approach to reactive power planning in electric power systems (EPS). It is based on minimization of a transmission network's active power losses. Several operating conditions...

.... voltage source can generate greater active power than before symmetrization and line currents can be symmetrical. © Emerald Group Publishing Limited 2009 Symmetrization Minimization of phase currents Nonlinear loads Compensators Phase (electric) Electric current Electric power systems...

... for the analytical treatment of earthing systems interconnected through BBC, that takes into account also the conductive effect. © Emerald Group Publishing Limited 2009 Electric power systems Electrical conductivity Electric power transmission Inside urban areas the earthing systems...