...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...

... approach allows for the first time to assess the influence of space charges and field inversion on the thermal breakdown. 19 12 2017 21 02 2018 02 03 2018 Numerical simulation Thermal fields Field computation Electric fields Electric power systems © Emerald Publishing...

... 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...

... by the zeros of: (Equation 8) where: (Equation 9) In the case of a multi-component signal: (Equation 10) © Emerald Group Publishing Limited 2016 Data analysis Analytical methods Electric power systems In most areas of research measuring devices are used...

...) The variables m_ij(t) are the duty-cycles of the nine switches S_ij(t) and can be represented by: (Equation 10) with: Harmonics Fuzzy logic Electric power systems Three phase matrix converter SVM technique Fuzzy logic controller Output...

... 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...

... vector expression for sparse admittance and Jacobian matrices as well as for the computation of the power residual vector. © Emerald Group Publishing Limited 2013 Power system analysis Complex power flow MATLAB Computing Electric power systems Since its early versions, MATLAB has...

... of the problem are: the meteorological forecasts (insulation and temperature variation), the energy prices (purchasing and selling) and the forecasted loads curve (Figure 2). © Emerald Group Publishing Limited 2012 Energy management Electric power systems Dulmage‐Mendelsohn decomposition SIMPLEX...

... 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 to the power electronics of the electrical systems in several applications...

... 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...

... amplitude and frequency (for example, constant V/f speed control). Switching configurations of the proposed multi‐output DC‐DC converters are shown in Figure 4 . Electric converters Topology Electric power systems Symmetrical diode‐clamped multi‐level inverters (Figure 1(a)) with n...

... microgrid. Hence, if the system can be properly designed for such hard case it will be also possible to design simpler one with stable and controllable power plants. © Emerald Group Publishing Limited 2011 Design Simulation Modelling Electric power systems Nowadays, new ways...

... 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...

... 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 of operation with reduced maintenance costs meant...

... capacitance, and increase the breakdown voltage as a result. 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...

... Limited 2010 Electromagnetism Voltage Switching systems Electric power systems Equation 4 Equation 5 Equation 6 Equation 7 Equation 8 Equation 9 Equation 10 Equation 2 Equation 3...

... harmonic of the input AC currents must respect the following conditions: © Emerald Group Publishing Limited 2009 Optimization techniques Systems analysis Electric power systems Advances in power electronics during the late twentieth century have made power electronics converters...

.... 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...

...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...

... to the difficulties in containing the touch and step voltages under the permissible values stated by CENELEC HD 637‐S1 are more serious. © Emerald Group Publishing Limited 2009 Electric power systems Electrical conductivity Electric power transmission Inside urban areas the earthing systems...