Pv with matlab?

when connect 12 panel 3 series four parallel the matlab be very slow when reduce the size of pv the matalb be less slow q2) if i have the power output =4000 and have the voltage output=48 the...

05 June 2018 448 1 View

Dc voltage =-48 what mean this value and why in minus ?

i have PV array and connect it to buck boost converter to the load have voltage dc =-48 what mean this value why minus (hint:load id BTS 3900A BASE TRANSEIVER SECTION HAWAI)

04 May 2018 2,026 0 View

Perturbation and observation ?

when connect p and o with boost converter its work and no problem but when connect it with buck boost converter its not work

03 April 2018 2,263 0 View

Pv books solar electricity?

Books for solar electricity? please help if any one have books or any source of subjectmaximum power point tracking system for p V array under partial shading use p and o and swarm...

03 April 2018 3,522 0 View

P&O (perturbation and observation )?

how to write code inside the embedded function for mppt under partial shading for pv array or for panel

03 April 2018 9,882 0 View

Dc-dc buck boost converter ?

i want to extract the value of L i want to extract the value of C if i have input voltage 54.7 output voltage -48 load 1300 watt

02 March 2018 8,477 3 View

I need help in my research(maximum power point tracking system under partial shading & need gentic and pso algorthimm?

i want to help me in optimization in pso and gentic algorithm for MPPT . the by pass diode in the panel how can i know it how many by pass diode in my model i have 4 panels but i connect in...

02 March 2018 4,399 0 View

I need help in my research(maximum power point tracking system under partial shading & need gentic and pso algorthimm?

i want to help me in optimization in pso and gentic algorithm for MPPT . the by pass diode in the panel how can i know it how many by pass diode in my model i have 4 panels but i connect in...

02 March 2018 2,164 0 View

error in running a model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

error in modelling model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

MGL tools

20 June 2021 0 0 View

i have some problem with chtMultiRegionSimpleFoam

--> FOAM FATAL ERROR: Maximum number of iterations exceeded From function Foam::scalar Foam::species::thermo::T(Foam::scalar, Foam::scalar, Foam::scalar, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar) const) const [with Thermo = Foam::hConstThermo >; Type = Foam::sensibleEnthalpy; Foam::scalar = double; Foam::species::thermo = Foam::species::thermo >, Foam::sensibleEnthalpy>] in file /home/ubuntu/OpenFOAM/OpenFOAM-4.1/src/thermophysicalModels/specie/lnInclude/thermoI.H at line 66. FOAM aborting #0 Foam::error::printStack(Foam::Ostream&) at ??:? #1 Foam::error::abort() at ??:? #2 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::calculate() at ??:? #3 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::correct() at ??:? #4 ? at ??:? #5 __libc_start_main in "/lib/x86_64-linux-gnu/libc.so.6" #6 ? at ??:?

24 March 2021 0 0 View

Resistor definition in Piezoelectric bimorph with ANSYS workbench

Hello, good day! I am trying to simulate similar bimorph piezoelectric harvester with below commands. However, the output power doesn't change with resistor value. Please help to find the reason. ET,10,CIRCU94,0 !SET UP RESISTOR R,1,100000 !RESISTANCE VALUE TYPE,10 !SET ELEMENT TYPE E,1,2 !CREATE RESISTOR BETWEEN NODES 1 AND 2 Thanks in advance Regards,

02 March 2021 0 0 View

The procedure compute?

02 March 2021 5,204 3 View

Is there a powerful system for the security of the systems distributed on IoT systems?

Is there a powerful system for the security of the systems distributed on IoT systems?

02 March 2021 3,858 10 View

Timeout error!! Processor in the loop (PIL) using STM32F4 Matlab 2018a?

Dear Researchers I am trying to perform a PIL simulation using STM32F4 Discovery board and comunication serial USB TO TTL. During simulation I receive the following timeout error: An error...

01 March 2021 2,327 1 View

Which is suitable for use with Python? MySQL or SQL Server?

Which is suitable for use with Python? MySQL or SQL Server? What is your suggestion?

01 March 2021 3,422 3 View

If you haven't computer? how you show the photons to pupils?

Educational Process

01 March 2021 1,827 1 View