Please do make a Literature review (find a literature or a book or an ebook so that you could
start your literature review, do not use the uploaded module) on the topic/s:
Chapter 1: Steady-State Equivalent Circuit Modeling, Losses, and Efficiency
1. The dc transformer model
2. Inclusion of inductor copper loss
3. Construction of equivalent circuit model
4. How to obtain the input port of the model
5. Example: inclusion of semiconductor conduction losses in the boost converter model
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INTRODUCTION
In electrical engineering, an equivalent circuit refers to a theoretical circuit that retains
all of the electrical characteristics of a given circuit. Often, an equivalent circuit is sought that
simplifies calculation, and more broadly, that is a simplest form of a more complex circuit in
order to aid analysis. The use of equivalent circuits is a physical and intuitive approach
which allows the well-known techniques of circuit analysis to be employed.
BODY
The dc transformer model
A DC transformer modeling technique is used to develop the averaged model of the
converter. One of the advantages of this model is that it can be implemented in Spice
simulator using basic circuit elements. The same model can be used for time domain as well
as frequency domain analysis. DC transformer modeling approach is used which is a
graphical approach with minimum use of equations. This makes it easier to derive transfer
functions from a final canonical model of the buck converter and any kind of controller design
becomes easy.
It is a theoretical concept which is used to obtain the control-to-output transfer
function. The system can be modeled using independent, dependent sources and passive
elements. The expression for control to output transfer function can be obtained by
assuming source disturbance is zero and then pushing all the elements in the primary side to
the secondary side of DC transformer.
Inclusion of inductor copper loss
Construction of equivalent circuit model
How to obtain the input port of the model
Example: inclusion of semiconductor conduction losses in the boost converter model
CONCLUSION
REFERENCES
Modeling integrated photovoltaic–electrochemical devices using steady-state equivalent
circuits Mark T. Winklera,1,2, Casandra R. Coxb , Daniel G. Nocerab,2, and Tonio
Buonassisia,2 Departments of a Mechanical Engineering and b Chemistry, Massachusetts
Institute of Technology, Cambridge, MA 02139 Contributed by Daniel G. Nocera, January
25, 2013 (sent for review December 1, 2012)