ECE-447 Quiz

ECE-447 Quiz - ECE 447 Quiz Winter 2009 Name(please print 1...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: ECE 447 Quiz Winter 2009 Name (please print) 1. Describe the procedure to connect power at the patch panel to a station. Specifically, which port (liver’dead) we connect first to energize? .-"' cut. I. -' tins vii-cue) as? H :v i n a} "1 is. s. ti in. M,“ cor/l 2. Discuss the procedure to disconnect power at the patch panel. Specifically, which port (livefdead) we disconnect first to de-energize? l/I‘J'lA/m. 1r)? -' we. call _. w e . i ' “v” " ' " “i ll '~ ll. Hi lit-offlil SH! Tail r we: {‘3' .'_ 1 .. I i 5;. '1' 1:1. r": ‘- 3. The CDAS system has “hard channels” and “soft channels" to measure a variety of electrical quantities. Name two quantities that we measure with hard channels, and name two quantities that we measure with soft channels. lam-Lil r; I I}: afisfiffle— 'I . Ibis-“l 'I“ " 'Hi. 1" I. a. f- . : 4. If we assume voltage as a reference @ 00 in output. What is the phase angle of: A) Pure inductive current? B) Pure capacitive current? If a voltage value is given on a 3-phase machine nameplate, do we assume that it is line—to—line or line-to-neutral? Also, is the voltage value given as peak or RMS or average? If we use Y or a model, what is the relation between line-to-line and line-to-neutral voltage in bothcases? r EVEN/if? J3 A;r/3¢/V;¢=? \ / U E “:4 c} {a W at } hm} __ 71 "' ll'l r. “ha-J W- Us] lot L view “E M i 6. Sketch the voltage in output and calculate Average value: . Uin=1DDSin(t} n ...
View Full Document

Page1 / 2

ECE-447 Quiz - ECE 447 Quiz Winter 2009 Name(please print 1...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online