How to determine line shift factors for different scenarios of power system with high penetration of wind farms?

For example, if I want to find the stochastic OPF of a system, shift factors can provide a way to find shifted power for different scenarios. Therefore, OPF for each scenario is not required but...

09 October 2019 6,944 9 View

Can anyone share basic Security Constrained Unit Commitment code here?

i want to save my time for re-coding. Thanks in advance

10 November 2018 7,807 0 View

Can anyone provide code for Consensus + Innovations and Optimality Conditions Decomposition?

I need code of Consensus + Innovations and OCD in any programming language preferably Matlab or R

04 May 2018 2,462 2 View

Can anyone share Probabilistic Analytical Target Cascading code in matlab or GAMS or any language?

I need PATC code in any language preferably matlab.

04 May 2018 5,393 5 View

Does any one have coding for Reliability Evaluation and Risk assessment of Power system?

I need code in any programming language, preferably in matlab or R. I just dont want to code it from scratch. So please let me know if any one can help.

08 September 2017 3,827 3 View

How to develop a simulink model for power system frequency variation with load variation?

I have found out that synchronous generation in matlab auto-adjust frequency if load increase or decreases. So how to create such model in which frequency can be disturbed by load increase or...

07 August 2017 6,100 3 View

How to transform input variables of two systems and project on output side to show uncorrelated output with reasonable correlation and copula output?

Two systems give uncorrerlated or less correlated outputs while their inputs show some correlated behavior. So how to transform and find some complex relationship between inputs-outputs which can...

04 May 2017 4,278 2 View

I need some information or some reference book or research paper on Ramping capability of operating reserve?

Integration of Wind farms and PV Solar power plants

08 September 2016 5,053 0 View

Where can I find official data of IEEE test power systems?

I am working economic load dispatch problem and need load, demand and loss coefficients data for evaluation. Can any one recommend me exact url of IEEE or any other standard source of above...

11 December 2014 4,678 8 View

How do I call the nlconst.m function within other functions using the function handler under MATLAB?

I am using nlconst.m for constrained minimization of given function. but when i call nlconst() with some points as inputs arguments, i get error "OPTIONS is undefined". What OPTIONS can be used in...

10 November 2014 3,148 1 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

How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 3 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

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

Arena simulation - how do i model the following model in ARENA (see description) (new to ARENA)?

Hello, I'm fairly new to ARENA and I have the following problem: I have two queues in which, in each queue, a different order type arrives (both having an arrival rate of exponential 10). Order...

02 March 2021 2,431 3 View

How to normalise data on OPM package from R Studio ?

Good afternoon, I recently used OmniLog from BIOLOG for my experimentations : I tested the metabolism of different strains on 2 types of plates. I have 16 strains of 3 different groups...

02 March 2021 3,584 1 View

How to repeat an operation on an atom selection for multiple times in PyMol?

Hi, I am trying to construct a multi-layer fibril structure from a single layer in PyMol by translating the layer along the fibril axis. For now, I am able to use the Translate command in PyMol...

02 March 2021 4,569 4 View