Samuel Lakew

14 Questions 91 Answers 0 Followers

Questions related from Samuel Lakew

Why is TESLA keep on using induction motors as the only alternative for electric vehicle production?

Hi Every one, TESLAs idea of using induction motor is wise. But my question is how long would it stay to be competent performance wise when others better motors are coming. Of course everything...

25 August 2017 1,182 5 View

What kind of energy source we may use to fly an air crafts in the future?

As the conventional energy sources are depleting, what kind of energy we may use to fly an air crafts in the future?

11 March 2016 2,515 8 View

Does the electrical load demand size have anything to do with the cost of generation of electricity from hybrid stand-alone renewable power system?

One of the challenges in electrifying the remote areas which is at distant from the national grids is the high impose of energy cost per kwh of energy both in generation and in customer bill...

09 January 2016 6,464 7 View

How do you see the term "energy management" from sustainable energy point of view?

How do you see the term "energy management" from sustainable energy point of view? And what should actually be done in the case of Hybrid energy systems to efficiently utilize our energy? What are...

03 January 2016 9,344 17 View

Can we trust satellite-based data resources (solar irradiation etc.) obtained from data base of NREL, NASA etc for modeling renewable energy systems?

Dear researchers, many researchers in the energy fields fulfill their lack of renewable energy resources data from databases (NREL and NASA, SWERA etc.). But these data sometimes deviate (show...

18 December 2015 2,250 13 View

What can we do with the excess energy (surplus energy) generation in off-grid Renewable hybrid system?

When we design hybrid renewable energy systems (especially, large scale), no matter what we try to match the load and source, we end up with excess generation due to resource fluctuation or other...

09 December 2015 2,468 16 View

What things do I need to consider and suitable software to design and analyze a wind farm in an open windy desert area?

I am planning in designing a wind farm in Ethiopia and I wanted for sure how to select the place, the turbine sittings (about 1.5 mw each) and the number of turbines, type of turbines and the...

21 November 2015 2,422 4 View

Can we generate or store electricity as a self-feed mechanism in a moving automotive or other moving object?

I always wonder why not we use moving automobile or other moving machines for energy production. As we know from basic science (physics) that all moving objects have energy of some kind. I believe...

03 November 2015 2,837 18 View

What is the future smart grid technology like?

Obviously, smart grid technology is growing fast. Its contribution to energy efficiency and sustainability is undeniable. I would like to see deep in to it, what it is like, what advantages and...

01 January 1970 1,035 15 View

What Is Education In Your Understanding?

Nelson Mandela said "No country can really develop unless its citizens are educated. Education is the most powerful weapon which you can use to change the world. Education is the great engine of...

01 January 1970 3,853 73 View

This is what I think in relation to the coming 5G networking. Let me know yours.

One of the threat to humanity is THE emergence intelligent machines. When AI gets full control and when sky-net comes to exist....might be already there, ....the plan is to enslave humanity rather...

01 January 1970 1,932 20 View

Do you remember things from your earliest ages such as when you were 3 to 5 years?

I have learnt that we all are different in storing memories from the past. Some people store events, pictures and even associate the event with other events, colors and even scents. Some people...

01 January 1970 2,261 9 View

Any idea on photo-acoustic microscope?

Photo-acoustic biomedical instrumentation will be a trend in the future. It uses very high sound frequency (in 100's of GHz) way above ultrasound range (1MHz to 18MHz). If there is anyone who is...

01 January 1970 1,361 3 View

Microchip implant is here. Companies are fitting their employers for micromanaging & security reason. I'm not very comfortable with the tech, are you?

According to the Guardian, many companies in the UK are micro-chipping an electronic implant on the hands of their employers. They think this the best way to micromanage employers and more. Where...

01 January 1970 4,836 4 View