ResellerRatings Store Ratings - View Single Post

Emc2 · 11-01-2002, 12:22 PM

I understand how to do Taylor series, that 2cos(2pi*f*t+pi/2)=2(e^jpi/2)(e^j2pi*f*t), and Calc. II is a prerequisit for this course...

Thanks a bunch for that site. No I don't know why e^j*pi/2 is used, but I do know what it means, now that I've gone through the physics of it...current lagging voltage in an inducter and leading voltage through a capacitor in an AC circuit, and thru the 'phasor addition', aka 'vector addition', You can find impedance, total resistance, etc....IMHO, this was all necessary to know before even attempting this course. I'd have much rather been put on the 5 year plan than be this lost.

11-01-2002, 12:22 PM	#9 (permalink)
Emc2 Registered User Join Date: Oct 2001 Location: Savannah, GA Posts: 1,612	I understand how to do Taylor series, that 2cos(2pift+pi/2)=2(e^jpi/2)(e^j2pift), and Calc. II is a prerequisit for this course... Thanks a bunch for that site. No I don't know why e^j*pi/2 is used, but I do know what it means, now that I've gone through the physics of it...current lagging voltage in an inducter and leading voltage through a capacitor in an AC circuit, and thru the 'phasor addition', aka 'vector addition', You can find impedance, total resistance, etc....IMHO, this was all necessary to know before even attempting this course. I'd have much rather been put on the 5 year plan than be this lost.