November 2021
Intermediate
416 pages
12h 42m
English
book
Harmonic Modeling of Voltage Source Converters using Basic Numerical Methods
by Ryan Kuo-Lung Lian, Ramadhani Kurniawan Subroto, Victor Andrean, Bing Hao Lin
Content preview from Harmonic Modeling of Voltage Source Converters using Basic Numerical Methods
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7General Control Approaches of a VSC
“One man's magic is another man's engineering. Supernatural is a null word.”
– Robert A. Heinlein
In this chapter, we will describe some of the control structures commonly used in a VSC. Since there are many books devoted to control structures and designs, this section is only intended as a brief introduction to the readers.
Reference Frame
For a three‐phase system, the voltages and currents can be described in various reference frames. Depending on which reference frame the power converter is chosen to be modeled, different types of the controllers will result. Thus, a brief introduction to different reference frames is given in this section.
7.1.1 Stationary‐abc Frame
The three phases 
, 
, 
in the natural frame can be regarded as spatially distributed away from each other by 
, as shown in Fig. 7.1. It is drawn to be consistent with the phase sequence 
. Space vector at a particular time or phase can be expressed as a vector according to the ...
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