How can I interpret the values of zero-sequence impedance in the pic. and use them for short circuit current calculus in a 3winding power transformer?

I have a three winding power transformer with the zero-sequence impedance values given in the picture. I need to model those in a equivalent circuit for simulation purposes.

23 December 2020 3,866 1 View

How to Interpret Box Plot IQR?

I have a unidimensional marital satisfaction scale (Johnson, Zabriskie, & Hill, 2006) with five items. My sample was 194 married individuals, and using the data from my sample, I wanted to...

29 September 2020 6,595 3 View

How can i dissolve curcumin in ethanol (% of ethanol?) for antimicrobial test ?

I want to test the antimicrobial properties of curcumin, is ethanol the best solvent? if yes what is the least percent concentration i can use to dissolve the curcumin powder?

21 September 2020 5,890 5 View

Do you think that schools could resume quickly after the lockdown period due to the emphasis on social distancing, following the Covid-19 pandemic?

It may be difficult for schools to resume immediately after the lockdown period as a result of the emphasis on social distancing rules, following the Covid-19 pandemic?

27 April 2020 9,766 96 View

How does one compute energy eigenvalues in atomic unit?

please find attached question Thank you

20 April 2020 4,025 9 View

How to take advantage of the social isolation generated by COVID-19 to boost the transition from face-to-face education to remote education?

The isolation generated by the COVID-19 pandemic has forced most of the world's universities to choose remote or virtual classes. In the case of engineering programs and other programs where real...

28 March 2020 2,350 57 View

In which powder bed fusion equipments have been implemented the skywriting scan strategy?

25 March 2020 8,679 4 View

Is it possible to reduce energy consumption without affecting human well-being?

Climate change is a reality. Responsible for this change is the excessive concentration of CO2 in the atmosphere, mainly due to the requirement of electricity at the residential, commercial,...

13 February 2020 8,805 12 View

Are there different types of Dansyl Chloride?

I was using Sigma Aldrich Dansyl Chloride (03641) suitable for HPLC derivatization on a method for quantification of hormones, but then I changed it for product (39220) for fluorescence and now I...

24 June 2019 1,484 3 View

Anyone experienced in using Dab library from Daniel Christ?

I have been troubleshooting the use of this library for the isolation of antibody fragments for a couple of months with some success.However I went into some troubleshooting. I'm looking for...

16 June 2019 8,389 3 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

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

Is There Any Feasible Method To Test Fluorescent Compounds Other Than Fluorescence Spectrometers ??

Is There Any Feasible Method To Test The Efficiency Of Fluorescent Compounds Other Than UV Spectrometers ? Suggestions Would Be Appreciated !

02 March 2021 5,785 3 View

Do you know any MR image dataset?

I would like to research on MR images (0.5T and 3T). Can you please suggest some websites that I can download dataset including both 0.5T and 3T MR images? Thank you.

02 March 2021 7,735 3 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