Can any one explain this question regarding number of lights allowed in a circuit?

How many 26 Watts CFL can be connected to a 2300W DUSK-DAWN PHOTO SENSOR? Please explain the meaning of difference in number of lights as shown in the attached image. Ref:...

11 December 2017 4,289 1 View

What is this error about. "The sample time after propagation is [0, 0]. Enter a discrete sample time in 'PI/Integrator'" ?

07 August 2015 9,401 0 View

What is the purpose of using 1.2 here in sine pwm in this simulink. In space vector pwm also I saw source voltage divided by 1.8. Why is it used?

Please explain with sufficient theory

07 August 2015 8,521 5 View

Why am I getting this error in PID tuning (Simulink)?

Please find the links and attachments. "FRESTIMATE command creates some temporary variables in MATLAB workspace and these variables seem to disappear before the simulation. This is most likely due...

07 August 2015 7,813 5 View

In simulink model, in 3 level Neutral clamped Inverter they are taking positive half dc voltage and negative half dc voltage w.r.t neutral?

And giving it to a MUX and again to demux and then subtracting +Vdc/2 and -Vdc/2 and again giving it to a gain of .5. Why these are required? Why that .5 again?

06 July 2015 9,950 2 View

No title

Or "If locus of space vector is sinusoidal then voltages will be sinusoidal" is correct?

06 July 2015 613 0 View

In space vector pulse width modulation , Maximum Modulation index for linear modulation is .907 or .866?

06 July 2015 9,013 0 View

How can I include space vector PWM converter in simulink just by using some gains? I've read that pwm converter can be modeled as a gain with a delay?

Space vector PWM= Kpwm * e^(-sTsw). What is the value i should give for Kpwm for space vector pwm? e^(-sTsw) is for dead time? And for dead time i should use switching frequency as T??

06 July 2015 6,312 1 View

How can I simulate VSC Based HVDC for under modulation and over modulation?

06 July 2015 5,712 3 View

Please help with this error "Algebraic state in algebraic loop containing 'SVPWM/Sum' computed at time 0.0 is Inf or NaN.?

Algebraic state in algebraic loop containing 'SVPWM/Sum' computed at time 0.0 is Inf or NaN. There may be a singularity in the solution. If the model is correct, try reducing the step size (either...

06 July 2015 4,876 1 View

Physics: Why do we describe light by referring to its wavelength, but microwaves and radar pulses by referring to their frequency?

In physics, the description of the properties of light generally refers to its wavelength (nm), while in the range of microwaves and radio waves we refer to the frequency of a signal (e.g. kHz or...

03 March 2021 1,682 3 View

Logistical regression using SPSS for a dichotomous dependent variable, with an independent variable of 1, 2, 5 and 10 seconds?

I have an experiment with 28 participants The independent variable is the times 1, 2, 5, and 10 used as the cross hairs during a task These 4 times were tested using 4 different blocks, each...

03 March 2021 9,692 2 View

I have designed reflectarray element and feeding it though Horn Antenna on HFSS. After full wave simulation, I am not getting desired results?

I have designed reflectarray element to generate OAM beams at 5.8GHz and feeding it though Horn Antenna on HFSS. After full wave simulation, i am not getting desired results i.e Radiation pattern...

01 March 2021 9,701 5 View

Can polymer concentrations be calculated based on the number average molecular weight?

Hello, I spin-cast two different polymers onto wafers and measure their height as a function of initial concentration. For polymer A, I have the weight-average molecular weight (Mw) as well as...

28 February 2021 7,882 2 View

Microstrip antenna design tutorial of HFSS 3D layout module ?

I have designed a 24 GHz rectangular antenna on HFSS 3D model and got desired results while desing the same antenna with same dimensions I am getting resonance frequency at 27 GHz I am...

28 February 2021 4,426 2 View

How to improve and implement WBAN MAC and Radio modules under Castalia 3.2 ?

Hello researchers, Hello Castalia3.2 researchers I am a beginner with Castalia, I work on optimization of RFID systems used in wireless body networks. I simulated a WBAN with 10 nodes and one...

28 February 2021 400 1 View

Compact antenna for the frequency range 1 MHz-5 MHz?

Hello everybody! I have a problem with developing a compact antenna for the 1MHz-5MHz frequency range. Tell me what type of antenna can be used and what books and articles to read to perform this...

27 February 2021 7,710 4 View

How does an AC-DC power supply Flyback Converter Based USB Charger Model using Matlab/Simulink looks like?

I am required to learn about Flyback converters and I got stuck not knowing to full design of the power supply flyback converter Based USB Charger Model using Simulink, especially the design model...

25 February 2021 5,435 2 View

How to build fouling and erosion simulation model for Aero Engine compressor and turbine rotor in Simulink / Matlab?

How to build fouling and erosion simulation model for Aero Engine compressor and turbine rotor in Simulink / Matlab?

22 February 2021 3,697 1 View

How can I get "Matlab/Simulink model for Droop/Reverse Droop controllers"?

Dear Professors, Colleagues and Friends I need to develop a simple Matlab/Simulink model of reverse droop controller for a simple LV MG. How can I get a simple one to use it as a sample? A basic...

22 February 2021 8,647 2 View