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Grid-Connected PV Array

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24 Jan 2012 (Updated )

Two demonstrations of a grid-connected PV array using SimPowerSystems.

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Description

The following two models are included in the package:

• PVarray_Grid_IncCondReg_det.mdl is a detailed model of a 100-kW array connected to a 25-kV grid via a DC-DC boost converter and a three-phase three-level Voltage Source Converter (VSC). Maximum Power Point Tracking (MPPT) is implemented in the boost converter by means of a Simulink model using the “Incremental Conductance + Integral Regulator” technique.

• PVarray_Grid_PandO_avg.mdl is an average model of a 200-kW array connected to a 25-kV grid via two DC-DC boost converters and a single three-phase VSC. The MPPT controller based on the “Perturb and Observe” technique is implemented by means of a MATLAB Function block that generates embeddable C code.

A Help file containing useful information on the two models is also included.

Authors: Pierre Giroux, Gilbert Sybille, Hydro-Quebec Research Institute (IREQ)
Carlos Osorio, Shripad Chandrachood, The Mathworks

Required Products SimPowerSystems
Simulink
MATLAB
MATLAB release MATLAB 7.13 (R2011b)
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Comments and Ratings (65)
09 Aug 2014 Mikhail

Awesome model. Thank you so much!

06 Jul 2014 James jayimbo@gmail.com

I am trying to run 'PVarray_Grid_PandO_avg.mdl' as a referenced model from the Kundur two area system average model 'power_pss'. I keep getting an algebraic loop error emanating from the PV array which I have unsuccessfully tried to break using rate transitions and other means...kindly provide any pointers.

06 Jul 2014 James jayimbo@gmail.com

A bit more detail to my immediate prior post is that the model I am trying to run as a referenced model is the 'average model'.

06 Jul 2014 fri

Very good job, I have a similar work but I want to have a voltage Vref in the block MPPT instead of daty cycle can you help me thank you
Azizfri309@gmail.com

02 Jul 2014 hanuma kumar

excellent work sir... but i am getting an array like "Attempt to reference field of non-structure array." can you please help me with this.. i'm also using r2011b.

23 May 2014 abdellah  
16 May 2014 momo  
25 Apr 2014 bank  
30 Jan 2014 sakthigokulrajan

i am running it in 2012a but still getting error . i have to go for r2011b for this can any one help

23 Jan 2014 GUNJAN

nice work.. sir when i run the model i am getting the constant duty ratio. it is not varying . what could be the resion pls. help me..

03 Jan 2014 amira  
30 Dec 2013 Francesco

excellent. I'll try to modify the model in order make simulation with time step hourly based. Could you give me any tip, please?

21 Nov 2013 Shivananda Pukh

I need a help in designing the DC-DC boost converter.

21 Oct 2013 Mehdi

Thank You.

10 Oct 2013 SHYAM GEORGE

Thanx man.

24 Sep 2013 mahmoud dabah

Hi all
May you help me how can I tune the dc voltage regulator and the current controller

24 Sep 2013 Karthick  
17 Sep 2013 MEHER

I am getting errors saying
1)Initialization commands cannot be evaluated
2)error in evaluating system parameters
How can I overcome this problem...
mail me @ meherkalayan89@gmail.com

11 Sep 2013 GUNJAN

Hey, I have been trying to run the simulations but i get the following error
"Unable to locate a C-compiler required by Stateflow and MATLAB Function blocks.
Use 'mex -setup' to select a supported C-compiler."
i have windows'8 and it was running properly with windows-xp...pls. tell me the solution..

29 Jun 2013 mohamed

for 100 kw can you add a battry for this system please ? ,, i need it .

27 Jun 2013 Hossein

This model just work in STC situation.
It has a wrong output in any different temperature....

22 Jun 2013 kritika

While simulating in matlab R2008b i am getting error as shown below.someone please help me
"Failed to find 'Continuous/PID Controller' in library 'simulink' referenced by 'PVarray_Grid_PandO_avg/VSC Control1/Current Regulator/PI'."

30 May 2013 king dota

额,这大师做的就是不一样。要是有控制部分的文档说明就更好了。
这么多人没人说中文的。
中国人果断把论坛占领了吧

22 May 2013 Ramachandra Rao

How does the Voltage regulator keeps DC voltage constant at 500 volts.. I really did not understand because the Vdc_ref is subtracted from Vdc_meas. Shouldnt it be the other way round.. Vdc_ref - Vdc_meas for the error input into the PI controller? Please help !

09 May 2013 Astitva

dear sir,
I m having a problem with this simulation model.
It pops up and says
1. Undefined function or variable 'Isat_array'
2. Initialization commands cannot be evaluated.
could you please respond to it, its very urgent and important.
ty.

11 Apr 2013 GMATI

dear sir,
I'm fine to contact you for the first time. So, I need some help.
My big problem this days, it's the parameter that I would choose to release a boost inverter (190V to 311V with 3.2 A),
I need the parameter of L, C, Rl, Rc and R ( as load).
You can join me to mail: gmati_badii@yahoo.fr.
Thanks.

01 Apr 2013 Alireza

Hai, I have been trying to run the simulations but i get the following errors
1) "Attempt to reference field of non-structure array"
2) "Problem creating Accelerator MEX file for model 'PVarray_Grid_IncCondReg_det'."

23 Mar 2013 Karthick

how did you arrive at the values for PI parameters in current controller, voltage controller and in phase locked loop? Did u get those values through tuning the controllers?

13 Mar 2013 praveen

Heyy guys!can anyone help me please?
I am getting errors like
this parameter has not been initialized
and undefined function and variable

22 Feb 2013 haris

Hi guys i had implemented and worked perfect.i want to ask how we choose the gain value of di/dv + iv for the integral regulator.here is 7 as i seen.

28 Jan 2013 Hadi Ma

This model is the best one that I've ever seen. Thanks

19 Dec 2012 Ayache Khadidja

Hi,
I have simulate a PV cell using equations and I wanted to ghather all in a block ( subsystem)or the output will be a voltage, I have the current Ipv as output, I want to create voltage terminal to be able to associate the module and have a generator.
How can I do that?
Any idéa,

13 Nov 2012 Musheer Hadi

Hello, Please help me, how could I evaluate the panel parameters such Rs, Rp, Isat...etc..

you may contact me also at musheer3000@gmail.com
Thanks a lot

30 Oct 2012 Barbara Ramos

Hi,
I'd like some help about the VSC converter.
I need to change the grid parameters.

ty,
Barbara

11 Oct 2012 KEUNHYE

The PV model is very useful. I have two question.
1. Simulation type is discrete of solver in power gui.
I'd like to implement at continuous of simulation type. Do you have a solution to change the solver's simulation type?
2. Why does it use discrete? I'd like to know the difference of discrete and continuous. Thank you

10 Oct 2012 Pierre Giroux

Hi Subesh and Buvana,
Thanks for your contribution.
The diode characteristic inside the PV Array blocks is now correctly implemented as Id=Isat*[exp(Vd/Vt)-1]. See latest update (oct. 9).

10 Oct 2012 soumia kerr  
07 Oct 2012 Buvana Lefevre

@Piyush
Yes I do have MATLAB 2011b and the program runs fine.

07 Oct 2012 piyush

@Buvana
Can you confirm that its running on 2011b (if you have one copy of that version).

07 Oct 2012 Buvana Lefevre

@Piyush
It could be that the version is not compatible.

06 Oct 2012 piyush

While simulating in matlab 2009a i am getting error as shown below.someone please help me

"Failed to find 'Continuous/PID Controller' in library 'simulink' referenced by 'PVarray_Grid_PandO_avg/VSC Control1/Current Regulator/PI'."

30 Aug 2012 Irfaan

thks

16 Jul 2012 akbar

I try to connect this model to a diesel generator model. but it doesn't run. Can any body help me???

05 Jul 2012 Buvana Lefevre

Subash

It looks like the Id indeed is calculated wrong. I had noticed it too.

27 Jun 2012 Swasti Khuntia

@Prashant: Did you run it on 2011b? I guess change in MATLAB version may affect simulation !!!

25 Jun 2012 Prashant Tiwari

I tried to run this model but unfortunately i have received two errors like ,

Error in 'PVarray_Grid_IncCondReg_det/PV Array': Initialization commands cannot be evaluated.

and

Error evaluating parameter 'Value' in 'PVarray_Grid_IncCondReg_det/PV Array/Diode/Is': Undefined function or variable 'Isat_array'.

Could anyone help me out to resolve this problem.

20 Jun 2012 Subesh Aryal

I just noticed something on the diode model (inside PV model). The diode current is calculated as Id = Isat*(exp(Vd/Vt-1) while it should be Id = Isat*(exp(Vd/Vt)-1). Can someone look into it? May be I am missing something here.

11 Jun 2012 Musheer Hadi

nice work. thanx a lot sir
I need your support please because all PI blocks appear as bad links.
I need the parameters please

again thanks

01 Jun 2012 Subesh Aryal

I am doing a project similar to this. I am having a hard time trying to come up with Kp and Ki values of both voltage regulator and current regulator. I have been working on it for weeks with no luck whatsoever. Is there anyone who has looked into it and knows how to calculate those values?? Feedback is sincerely appreciated..

31 May 2012 Bole Top

can you tell me how did you calculated the Ki block in the inc cond MPPT control method? i'm trying to figure it up for a week :)
thanks

17 May 2012 Mohamed Chakir  
10 May 2012 Patrice Brunelle

Hi Yuvaraj

Regarding the problem with C-compiler I recommend that you report the issue to the customer support service of The Mathworks.

Thanks you for your interest in the demo and to SimPowerSystem.

09 May 2012 yuvaraj Kondaswamy

Hai, I have been trying to run the simulations but i get the following error
"Unable to locate a C-compiler required by Stateflow and MATLAB Function blocks.
Use 'mex -setup' to select a supported C-compiler."

I have installed the compiler. But still it's not working. Could you please let me what could be the problem? I am using the R2011b matlab version.

Thanks.

09 May 2012 yuvaraj Kondaswamy

Excellent work

19 Apr 2012 Anushmita Kaushik  
09 Apr 2012 Anup Anurag

Can you please upload the files with all the values of resistances ?? and voltages ??

04 Apr 2012 Erdal Bizkevelci  
14 Mar 2012 Suthee Kaewsongsri

Excellent job.

06 Mar 2012 papoo

is that possible to make a PV array model running in phasor type?
if we can not? so we can't make an integrated model using both wind turbine and PV arrays simultaneously?
I appreciate your writings in advance

28 Feb 2012 papoo

Perfect job,
I'm sure that anybody who sees your Simulink, wondering if you explain more on your PV Arrray block or Boost converter.
however, you did a great job,it worked properly for me.

28 Feb 2012 mahmoud

nice work
should you tell me how did you tune the pi controller?

14 Feb 2012 Patrice Brunelle

The PVarray model was built using R2011b. It is possible that some features available in SPS 11b cannot be run in previous releases.

13 Feb 2012 Vladimir

Nice view model but I have some errors on R2007b. Is the version the run error problem?

10 Feb 2012 Jun

the model is very good...but when i running it..."Error in 'PVarray_Grid_IncCondReg_det/PV Array': Initialization commands cannot be evaluated."
version: 2010b
Is it because of software version?

29 Jan 2012 janarthanan somasundaram

nice job..its not working properly when i run this

Updates
09 Feb 2012

Fixed figure name + modified tags

09 Oct 2012

The two PV array models (detailed and average) have been updated.
Diode characteristic inside the PV Array blocks is now correctly implemented as Id=Isat*[exp(Vd/Vt)-1].
Thanks to Subesh and Buvana for raising this problem.

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