Ebooks from PEguru Look inside Details Preview Buy ($4.99) Per Unit Systems: Ten Total Problems Solved With Detailed Explanation Aleen Mohammed Per unit systems is an important concept in power system analysis. So much so, it shows up in all exams pertaining to power. Besides being taught in higher education, it is quite commonly used by engineers in the power industry. Equipment impedances are furnished in per unit. Source impedance for fault analysis is furnished in per unit. In this book, you will find enough problems solved for you to get the hang of this subject. Look inside Details Preview Buy ($9.99) Circuit Breaker Control Scheme Aleen Mohammed Learn how to create trip and close scheme for a high voltage circuit breaker. Not just theory but practically implemented. Look inside Details Preview Download Cheatsheet for Arrester Specification [Free to download] Aleen Mohammed Use this info-packed cheatsheet to specify the correct lightning surge arrester. Look inside Details Preview Download Easily correct phase shift on a delta-to-wye transformer for paralleling [Free to download] Aleen Mohammed Never again screw-up the phasing at a substation with this fool-proof guide. Your patronage is appreciated.