guide to electrical power distribution systems
http://rapidshare.com/files/70388843/Electrical_Power_Distribution_Systems.pdf
electricity demystified
http://rapidshare.com/files/70160026/Electricity_Demystified.pdf
practical electronics handbook
http://rapidshare.com/files/70157079/PRACTICAL_ELECTRONICS.pdf
the art of electronics
http://rapidshare.com/files/61567516/The_Art_of_Electronics_-_Horowitz___Hill.pdf
teach yourself electricity and electronics
http://rapidshare.com/files/3414693/ebook_mcgraw-hill.teach_yourself_electricity_and_electronics.0071377301
power electronics design a practioner's guide
http://rapidshare.com/files/12678821/Power_Electronics_Design_-_A_Practitioner_s_Guide.rar
This is a great resource and overview about frequency units. There is also a good unit converter.
ReplyDeletewww.easyunitconverter.com/frequency-unit-conversion/frequency-unit-converter.aspx