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Space vector PWM for 3 leg inverters

4.8 | 5 ratings Rate this file 60 Downloads (last 30 days) File Size: 16.2 KB File ID: #30503 Version: 1.0
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Space vector PWM for 3 leg inverters



in a svm we have to use 6switches in 3 legs. overall outage increased by svm method.THD also reduced

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1.for a good inverter gain must be a high, it possible in svm 15% more compare to normal pwm.
2.inverter consumption power must be less. in svm at each sector only one switch varied. so total consumption will be reduced
3.third harmonic can be effectively eliminated by svm method. need of lookup tables for this method.

Required Products Simscape Electronics
Simscape Multibody
Simscape Power Systems
MATLAB release MATLAB 7.9 (R2009b)
Other requirements Mathematical knowledge
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Comments and Ratings (11)
11 Jan 2017


07 Dec 2014 Eva Pharma

But I cannot understand the reason for 'repeating sequence' block as well as T1,T2 and T3
I think we are concerned for Ta,Tb and To
and what if the voltage reference is not rotating uniformly from sector 1 to sector 6. like if it jumped from sector 2 to sector 4 and not going through 3 , what will be the gate pulsed at this condition ??

20 Mar 2014 hamed soodi

good job

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23 Dec 2013 Rashmil Dahanayake

Hi, in each leg should the pulse for the lower device(eg Mosfet5) should be the binary inverse of the upper device(eg Mosfet4). In SVM oulse generation section S2=Not(S1). However the pulse selected for lower device is set as S4.
In this case both upper and lower devices of each leg is possible to operate. (ie input is short circuited?)
Would you be able to explain on this.

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08 Oct 2013 Baghdad

nice work , please can you provide us 4 leg inverter 3 phase ASAP

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22 Jul 2013 lakshmi

good work ,but it will be very nice if there is more explanation about the work.

09 Mar 2013 H Feshara

nice work
I agree with Manu Jain request
plus I need to understand how you selected repeating sequence time values

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22 Apr 2012 Manu Jain

Hi Sudhakar.. for the theory explaining this simulation, can you please post the link of corresponding IEEE paper or any other paper/book which you referred or published.

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20 May 2011 hani abdo

please i want this simulink file

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26 Mar 2011 Ranjithkumar Gatla

great work and simple... thanks alot

25 Feb 2011 ohga

ohga (view profile)

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