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Control Oriented Modelling of AC Electric Machines (Paperback, 1st ed. 2018)
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Control Oriented Modelling of AC Electric Machines (Paperback, 1st ed. 2018)
Series: SpringerBriefs in Electrical and Computer Engineering
Expected to ship within 10 - 15 working days
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The book discusses the modeling of induction and synchronous
machines aimed at the synthesis of dedicated control strategies.
The first part focuses on induction machines (IMs), and starts with
the analysis of the principle of operation, which is based on the
induction phenomenon. It then establishes the a-b-c model, assuming
a sinusoidal spatial repartition of the air gap flux density, a
linear magnetic circuit, and constant phase resistors. The a-b-c
model enables the establishment of a state representation of the
induction machine. Then, the Park transformation is introduced and
applied to the IM a-b-c model, leading to its Park one, which is
then used to analyze the IM steady-state operation. The chapter
also includes a case study dealing with the doubly fed induction
machine, which is widely integrated in wind power generating
systems. Following the introduction of the continuous development
of synchronous machines (SMs), the second part establishes the
a-b-c model for salient pole machines. Then, the Park
transformation is applied to the established a-b-c model, leading
to the Park one. The section highlights the formulation and
analysis of the electromagnetic torque, with its synchronizing and
reluctant components investigated in terms of the torque angle.
Subsequently, it characterizes the operation at (i) maximum torque
and (ii) unity power factor before focusing on the flux weakening
approaches that could be implemented in SMs considering both smooth
and salient pole topologies. Lastly, it presents a case study
dealing with an investigation of the main features of the electric
drive unit of a hybrid propulsion system and the possibility of
their improvement, with an emphasis on the extension of the flux
weakening range.
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