14 Questions 14 Answers 0 Followers
Questions related from Muhammed Fasil
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:...
12 December 2017 4,324 1 View
When i tried to simulate a system and tried to tune using Tuning option(Discrete) in PID controller block it showed this error. and when i tried in continuous mode it showed "sampling times must...
08 August 2015 9,455 0 View
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...
08 August 2015 7,900 5 View
Please explain with sufficient theory
08 August 2015 8,555 5 View
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??
07 July 2015 6,348 1 View
In some paper they are taking maximum modulation index as .866 and In a paper its mentioned like "Linear modulation extends up to Vref = 0.866. The corresponding modulation index (MI) equals...
07 July 2015 9,048 0 View
Or "If locus of space vector is sinusoidal then voltages will be sinusoidal" is correct?
07 July 2015 649 0 View
What should i change inorder to simulate it in undermodulation and overmodulation and saturation modes? Is it Kpwm? I'm using space vector pwm technique with Kpwm*e^(-sTsw) as converter.
07 July 2015 5,750 3 View
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?
07 July 2015 9,994 2 View
Is there a calculation? Im new in pwm techniques
07 July 2015 9,015 2 View
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...
07 July 2015 5,093 1 View
I have seen in a book that " Since inductance value of Ldc (connected across a 3 phase rectifier as a load) is larger than that of the ac inductor Lac in many cases, the waveform Is(h) is...
06 June 2015 7,256 3 View
Rectifier is supplied through a 3 phase star-delta transformer with 415Vll. No other parameters are available. Magnetisation resistance and inductance will have significant effect on dc output? Im...
06 June 2015 537 2 View
The HVdc light system allows fullyindependent control of active and reactive powers. What is the advantage of this? Please give some examples where independent control of active and reactive power...
06 June 2015 1,707 1 View
