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Ashraf Yahyah
Assistant Professor
Department of Electronics and Power Engineering

PNEC
National University of Sciences and Technology (NUST)
PNS Jauhar, Habib Ibrahim Rehmatullah Road,Karachi
Tel : +92-21-48503083

Specialization
Power systems, Power Electronics.

Education
PhD in progress MS in Electrical Power, NED, Pakistan B.E. in Electrical Engineering, NED, Pakistan

​Engr. Ashraf Yahya Joined Engg. Academics 12 years back. Earlier he worked in Heavy industry as Assistant Manager/ Sr Elecrical Engr for seven years, where he got ample exposure to operation & Maintenance of High Power electronics drives and Electrical Machines. Engr. Ashraf has taught numerous courses related to Power Engineering and Power Electronics. By virtue of his practical experience, he is able to correlate theory contents with practical applications.
He is also a certified lead auditor in Quality Management systems (QMS) and has been performing duties of Quality Management Representative (QMR) for PNEC for a couple of years. He also holds the position of Asst. HoD for EE and has been actively involved in PEC accreditation processes and a Member of Self Assessment Teams for Electrical/Electronic Engg. Programs. He also appeared from PNEC before NUST selection Board for award of overall University Best teacher-2013
​>    Multilevel Inverter
-    topologies
-    modulation strategies
>    Flexible AC Transmission Systems (FACTS)
-    Power flow control
-    Dynamic voltage regulator
1.    Ashraf Yahya, Talha Waqar, Nusrat Husain, Syed M Usman Ali. Hybrid Multilevel topology based High Power quality Inverter. Journal of Multidisciplinary Engineering Science and Technology (JMEST) ISSN: 3159-0040 Vol. 2 Issue 9,PP 2428-2431 September – 2015 
2.    Ashraf Yahya, Nusrat Husain, Syed M Usman Ali. Multilevel Inverter-a survey for MV and HV applications . International Journal of Scientific & Engineering Research, Volume 6, Issue 1, PP 1453-1460, 1453 ISSN 2229-5518, January-2015 
3.    Muhammad Mansoor Malik, Ashraf Yahya, Sajjad Soomro, Shiraz Hassan. Harnessing of Electric Power through Multiple renewable Sources using Cascaded Multilevel Inverter. Short paper presented in  4th International Multitopic conference IMTIC2015, MUET, Pakistan, 11-13 Feb. 2015. 
4.    A.R. Shaikh, A.S. Larik, M.A. Mahar, Ashraf Yahya, Nusrat Husain. Improving Transmission system performance using Power Electronics based FACTS controllers. Presented in IEEEP annual symposium Karachi ,16 April 2009 
5.    Ashraf Yahya. Current trends in the design of on-load Tap changers . Technocrat journal of sciences & technology, ISSN:1728-5690, vol.3, pp. 9-11,  2008. 
6.    Ashraf Yahya. Enhancement of Transmission lines Loadibility using FACTS controllers. Technocrat journal of sciences & technology, vol.2,pp.14-19  ,ISSN:1728-5690,  2006 
Over 12 years of teaching experience in the following institutions of repute:

-   NUST, PNEC Karachi, Pakistan
-   Usman Institute of Technology UIT, Hamdard University, Karachi, Pakistan
 

Courses taught:

-   Power Electronics
-   Power system Protection
-   Power Engineering
-   Power Transmission
-   Power Generation
-   Power System Analysis
-   Electrical Machines
-   DC Machines & Drives
-   AC Machines & Drives
-   Electronics-1
-   Linear circuit Analysis
 
​Over 7 years of industry work experience in operation& Maintenance of High Power controlled rectifiers, Inverters, DC Motor Drives, HT/LT switchgear, Power Transformer, 10MW Synchronous Motors, DC Motors up to 7MW, in the following organizations:
 
-   Pakistan Steel (Assistant Manger)
-   International Industries Ltd (Senior Engr. Electrical & Electronics)