How can I design the universal switching pulses for the inverter?

More Dr R K Kumawat's questions See All

Specify the Burgers vectors for dislocations, which cannot be uniquely identified.?

1. A bcc metal single crystal was sliced along (1 -1 0) plane for TEM study. Assuming that the TEM available is equipped with a goniometer stage which tilts up to 45o. The Burgers vector of...

20 February 2021 2,370 1 View

How to improve dissolution of neosome?

I have made neosome from herbal drug. Neosomes are stable. But I face problems in dissolution. I used minimum ratio of 1:1:0.25 ( Drug:span 60: Cholesterol and GMs. Now how can I active better...

17 February 2021 3,584 1 View

What is the best method for preparation of Polymeric nanoparticles for co-delivery?

We are planning to make Polymeric nanoparticles for co-delivery of 2 flavanoides. Which is the best method, that one should follow.

09 February 2021 7,086 8 View

OmniScriptum Publishing Group?

Hello, Has anybody published with OmniScriptum Publishing Group. I got an email from them. The emails claims the editor is from the group but the email is signed out by lambert academic...

08 February 2021 5,611 3 View

Following is XRD of iron oxide nano material synthesised using bipyridine derivatives. What are the reasons for Broad Humps?

Even after few repetitions..I am getting similar results. Is is due to organic components?

20 January 2021 9,279 6 View

How to determine the genetic potential of the genotype in terms of fruit size and weight?

In addition to genetic and environmental factors, fruit size is also influenced by crop load, rootstock, orchard planting system/tree training system, pollination, water and nutrient management,...

13 January 2021 9,309 4 View

How much Ti and B (in ppm) is required for effective grain refinement and why?

To have the desired grain size in 6061 and 6063 Al alloy, what should be the minimum % of Ti and B pick up and what is the chemistry/metallurgy behind that?

07 January 2021 9,305 2 View

How to make AlV50% alloy by thermit route?

Kindly provide the technical papers/patents on the production of AlV50% alloy by thermit route, by using V2O5

05 January 2021 2,471 3 View

Apart from deoxidation what are the other applications of Ferro Aluminum (FeAl) and Al wire?

FeAl and Al wire has applications in Steel for deoxidation. I want to know the other application of various grades of FeAl. Does Al wire also has other applications apart from deoxidation? Regards

27 December 2020 8,435 1 View

Is there is any reference if someone is using Ti sponge cored wire instead of FeTi 70% cored wire for plain carbon steel?

There is a different behavior in carbon steel and stainless steel. Drastic low recovery in carbon steel due to high melting temp. But in ss , working temp is high so dissolve at 1668 degree temp....

16 December 2020 8,765 8 View

What is the most Operating System (OS) which can be INSTALL on Tiny hard devices like Raspberry Pi (RPi) hardware ?

I'm targeting to deploy a mesh network and manually configure MANET routing protocols. I'm preparing scenarios, architectures, and hard devices needed to do that. Are there some step-by-step...

03 March 2021 1,931 5 View

Can we classify HV and LV lines based on line length?

I have dataset which shows the length of power lines. I need to classify the lines based on the line length. Is there a rule to classify the High voltage (HV) and low voltage (LV) lines based on...

03 March 2021 4,116 4 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

Is there a classification scheme for rock cavities or caverns with respect to their size and shape?

The range of forms and sizes of cavities in rock is very big. Is there a classification scheme for rock cavities regarding their size and shape?

02 March 2021 4,511 3 View

Is there a powerful system for the security of the systems distributed on IoT systems?

02 March 2021 3,858 10 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

How to Eliminate cosine error and abbe error in LASER measurement system(for example Rhenishaw XL80)?

I like to do project in laser measurement system. My objective is to eliminate or reduce the cosine error, abbe error in Laser measurement system. I have Rhenishaw XL80 system. Please tell the...

28 February 2021 4,890 3 View

I need dataset for recommandation system?

Hi every body I need to collect datasets from different source to work on recommendation system algorithms, could you advise me how collect data?

27 February 2021 7,063 7 View

Can impedance of antenna be less than 50 ohms?

I am simulating helix antenna in hfss, right now, giving excitation with 50 ohms port. When I see the results of Z parameter (real). It shows lower than 50 ohms. Do not understand, if it can be...

27 February 2021 4,218 7 View

Should we reduce the standard unit of length to 0.31951540592 meter ?

The reasoning behind this question is to align the ratios of the proton potential in energy per charge to the speed of light in distance per time. As these two dimensions appear to be related,...

27 February 2021 947 7 View

Abdelkarim Ammar

you can use the PWM strategy with duel portuse (triangular) modulation

M.R. Baiju

Pls read Cararra for pwm scheme for multilevel inverter

G. Carrara, S. Gardella, M. Marchesoni, R. Salutari, G. Sciutto, “A New

Multilevel PWM Method: A Theoretical Analysis,”

IEEE Trans. Power

Electronics

, vol. 7, no. 3, July 1992, pp. 497-505

Hemant Gupta

By using the reference sinusoidal waveform and carrier waveform(tringular or sawtooth),we can get the logic according required ac output.