All Questions
Tagged with modeling power-electronics
10 questions
2
votes
1
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142
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Why do many mosfet models exclude Cds in parasitic capacitances?
Why do many models of MOSFET parasitic capacitances not include \$ C_{ds} \$?
(the image taken from this site)
In integrated circuits, MOS transistors usually have four terminals. If we consider ...
- 270
0
votes
0
answers
45
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How to include dead times into the model of the three-phase voltage source inverter?
I have been developing a Scilab model of the three-phase voltage source inverter. I have started with the idealized model where I suppose that in each of the inverter leg one transistor can be turned ...
- 1,125
0
votes
0
answers
93
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How to design voltage controller for non-linear circuit?
Let's say I would like to design the PI controller for the \$v_C\$ voltage in the below given circuit.
I have attempted to design the PI controller in following steps.
Development of the ...
- 1,125
1
vote
1
answer
228
views
How to model the three phase PWM rectifier?
I have been working on a dynamic model of the three phase PWM rectifier also known as active front end (AFE.)
Circuit diagra:
I have decided to solve that task this way:
Choose some variables as a ...
- 1,125
1
vote
0
answers
74
views
IGBT modelling from datasheet
how to model igbt from the APT150GN120J datasheet.
...
1
vote
1
answer
162
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DQ Currents in the Induction Motor Model
While studying the Induction Motor modelling and also its Vector control using DQ currents decoupling method.. I am finding it hard to see which current is which on the model diagrams. Can anyone ...
- 927
0
votes
1
answer
638
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Derivation for average value input current in buck-boost converter
I am struggling with the derivation of average value of input current as below.
The image is from the lecture here (page 26).
Here is what I got so far.
How did the lecture derive the final step here?...
- 1,661
0
votes
2
answers
1k
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hamonics and sidebands in dc-dc converter
The lecture (page 8) shows output voltage spectrum with sinusoidal modulation of duty cycle of a dc-dc converter.
I am wondering where the hamonics and sidebands come from.
For hamonics, I read ...
- 1,661
4
votes
3
answers
2k
views
Push current source through transfromer
This lecture (from page 130) shows manipulation of the buck-boost converter model into canonical form.
I am stucked at moving current source through transformer as in the picture below or from the ...
- 1,661
1
vote
1
answer
606
views
ac model for buck-boost converter
This lecture shows how to create ac model for buck-boost converter.
What I am confused is the equivalent circuit model for inductor loop equation
on page 38.
As you can see from the model, there ...
- 1,661