Ashraf Yahya

6 Questions 16 Answers 0 Followers

Questions related from Ashraf Yahya

For equal power rating, which semiconductor switch has better efficiency?

For same Power rating, which one has minimum conduction loss: Power diode, MOSFET or IGBT? Any one with relevant literature please help

03 February 2017 9,384 9 View

Which software is best for drawing Power Electronics circuit diagrams for good quality research journals?

I currently use MS visio for drawing Power Electronics circuits and looking for a better one. Any one who can guide me, Please.

16 July 2016 10,017 57 View

What is the maximum efficiency value of Commercial Multilevel Inverter?

The question is ,can they supersede SPWM inverter which are now available with 99% efficiency. Any related literature , please

17 May 2016 1,243 2 View

What is automatic generation control system in a grid tied PV system?

How can we control solar power in a grid tied inverter if its power exceeds load requirement and we don't want to inject surplus power into grid, because of some legal constraints? Any researcher...

11 December 2015 2,847 5 View

What percentage, of total load on grid, do Induction motors constitute? is there any survey report on this matter?

Induction motor dominate industry & home applications, so these seem to be the major consumer of grid power.Is there any authentic figure about this?

30 June 2015 2,482 3 View

What is the maximum limit of permissible harmonics content in an inverter output? what is IEEE standard in this regard?

Inverters are known to produce Harmonics which increase losses and pollute the power supply. There must be some regulatory limits of permissible THD for grid connected inverter. what is that...

11 June 2015 7,281 6 View