By Gerasimos Rigatos (auth.)
Focused on renewable power platforms and the improvement of data and conversation applied sciences (ICTs) for his or her integration in shrewdpermanent grids, this e-book offers contemporary advances and techniques that aid to make sure that energy iteration from renewable resources is still good, that energy losses are minimized, and that the trustworthy functioning of those energy iteration devices is maintained.
The ebook highlights key subject matters and applied sciences for renewable strength platforms together with the clever regulate of energy turbines, strength electronics that attach renewable strength iteration devices to the grid, and fault analysis for energy turbines and tool electronics. particularly, the next subject matters are addressed:
• Modeling and regulate of strength turbines (PMSGs, DFIGs);
• Modeling and keep an eye on of strength electronics (converters, inverters);
• Modeling and fault prognosis of the transmission and distribution Grid; and
• Modelling and keep watch over of disbursed strength iteration devices (interconnected synchronous turbines or photovoltaic units).
Because of the above assurance, individuals of the broader engineering group will locate that the nonlinear regulate and estimation equipment provided supply crucial insights into the functioning of renewable strength energy platforms, whereas the educational group will locate the booklet a useful textbook for undergraduate or graduate classes on renewable power systems.
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Extra resources for Intelligent Renewable Energy Systems: Modelling and Control
G. 5 MVA) that indicate the continuous load that the transformers carry without exceeding a specified temperature rise of either 55 ◦ C (for older transformers) or 65 ◦ C (for newer transformers) above a specified ambient (typically 40 ◦ C). 2 kV) to the secondary system (480 V and lower). 5 Components of the Transmission and Distribution System 37 The kVA ratings of distribution transformers are based again on the continuous load the transformers can carry out without exceeding a specified temperature rise of either 55 ◦ C (for older transformers) or 65 ◦ C (for newer transformers), above a specified ambient temperature (usually 40 ◦ C).
166) By solving Eq. 167) √ where Zc = z/y. and is called characteristic impedance of the transmission line. 5 Components of the Transmission and Distribution System 39 coefficients A1 and A2 . 168) Moreover, at x = 0, from Eqs. 169) Solving Eq. 170) Substituting A1 and A2 into Eqs. 171) By rearranging terms Eq. 174) gives the voltage and current at any point of the transmission line, provided that the voltage and current at the receiving end are known. 3 HVDC Lines HVDC lines are used to transmit DC power over long distances and are connected to the rest of the grid through AC-DC converters [25, 26, 89, 90, 104, 303].
By varying the duty cycle one can control the voltage output Vo , as if a variable input voltage E was applied to the circuit. The dynamics of the electrical part of the circuit comes from the application of Kirchhoff’s laws. 114) + Ia The dynamics of the mechanical part of the converter and motor system comes from the laws of rotation motion of the rotor. 4 Main Types of Power Electronics 27 where τL is the load’s torque. g. electric vehicles). The Proton Exchange Membrane (PEM) Fuel Cell consists of a polymer electrolyte membrane which is placed between the electrodes (anode and cathode), as shown in Fig.
Intelligent Renewable Energy Systems: Modelling and Control by Gerasimos Rigatos (auth.)