Publicly accessible solar photovoltaic generation data?

I would like to ask if there are possible resources to access any freely available datasets of actual power generation from a utility-scale solar photovoltaic power plant on an inverter-wise basis...

29 November 2020 1,743 4 View

What will the voltage-current characteristic of a PV string be like with each module getting different irradiance?

Suppose, in a photovoltaic string with multiple modules (assume 10), all connected in series, each module is getting different values of irradiance uniformly throughout the module surface. Each...

02 November 2020 3,826 2 View

How Cassia Tora powder (Cassia obtusifolia) can be fully solbilized in water?

The filtration cassia powder is very low. It passes only 20-40g throug 63/74 micron/cm2 mesh even after the modification with Sodium chloroacetate. Therefore, it has biigeer solubility issue. So,...

28 March 2020 3,728 3 View

How to find out probability density function for an arbitrary set of data?

Dear All Firstly, I saw that probability density function is used in meteorology for comparison. For example, if I have two time series of same meteorological parameter from two different sources....

14 February 2020 797 1 View

Can metal polymer sandwich material system be applied for biomedical application?

What are some some recent trends where metal polymer sandwich material system can be an effective alternative in biomedical?

20 January 2020 6,434 2 View

Which is the best possible multi-objective discrete optimization technique?

I have a multi-objective optimization problem (two objectives) that involves two variables and discrete search space. I was hoping to use integer programming for the same, but I was wondering if...

09 December 2019 3,620 1 View

How can the slip of an induction generator be calculated during faults without measuring the rotational speed of the machine?

I need to calculate the slip of an induction generator during a fault at the terminal of the machine, without the knowledge of the rotational speed of the machine. It can be assumed the mechanical...

15 November 2019 2,843 3 View

Query regarding Index of Agreement Calculation?

Dear All This is Dr. Suman from IIT Bombay, India. Recently, I was evaluating model performance using Index of Agreement (Mbienda et al., 2017). IOA is a skill metrics used for performance...

03 August 2019 1,331 1 View

Joint probability distribution of multiple variables?

I have three sets of variables. Two of them are continuous random variable and the other one is discrete in nature. Is there any matlab function which returns the joint probability distribution of...

13 November 2018 6,467 1 View

What are the possible methods for power system load estimation at a transmission level?

I am looking for some methods to estimate the loads in a power system at a transmission level which can be lumped to the individual sub-transmission buses.

31 August 2018 1,292 6 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

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

Irradiation data for JAPAN?

Hi, Could you help me to get the latest (2019, 2020) solar resource data for a particular site in JAPAN? PV GIS and NSRDB data are not in reach to JAPAN, I'm looking for some other database for...

03 March 2021 961 3 View

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 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

Why are the velocities so high in my Boussinesq approximation Fluent simulation?

Hello, I have a mechanism where air rises due to convective flows. In this simulation, nothing is driving the air except this. I understand that the Boussinesq approximation only works for small...

02 March 2021 4,910 3 View

Help request in CST microwave?

im working now on TPV solar cells and metamaterials and i realy need our help in CST microwave i have a tpv cell simulation and i want to extract particullarly the absorbtion of only the active...

02 March 2021 2,246 2 View