ece 447 lab manual HiDef

ece 447 lab manual HiDef - ECE 44 7 E l ectr i c Mac hin es...

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Unformatted text preview: ECE 44 7 E l ectr i c Mac hin es La b oratory H a ndb ook Department of Electrical and Computer Engineering The Ohio State University 2015 Neil Avenue Columbus, OH 43210 Comments and suggestions regarding revisions to this manual should be sent to Prof. Kasten (kasten.l0;osu.edu) -- they will be appreciated . Last revised for Summer '07, dgk. Table of Contents t o p i c p a g e 1 . I n t r o d u c t i o n 1 2 . S a f e t y 1 3 . G e n e r a l L a b o r a t o r y E q u i p m e n t 5 4 . C o m p u te r D a ta A c q u is itio n S y s te m (C D A S ) 1 1 5 . G e n e r a l E x p e r i m e n t a l P r o c e d u r e 1 6 6 . L a b o r a t o r y R e p o r t s 1 7 7 . L a b o r a t o r y T e c h n i q u e 1 8 L a b o r a t o r y E x p e r i m e n t s 2 0 G e n e r a l S c h e d u l e o f E x p e r i m e n t s 2 1 Exp. 1: Introduction to CDAS & Measurement Techniques 22 Exp. 2: Transform er Regulation and Equivalent C ircuit 28 E x p . 3 : D C G en erato r S atu ratio n an d L o ad C u rv es 3 3 E x p . 4 : D C M o t o r L o a d C u r v e s 3 7 E xp. 5: S ynchronous G enerator O .C . and S .C . T ests 41 E xp. 6: Induction M achine O perating C haracteristics 47 E x p . 7 : S y n c h r o n o u s M o t o r L o a d T e s t s 5 2 E E 4 4 7 M a c h i n e s L a b o r a t o r y H a n d b o o k 1 1. Introduction The Electric Machines Laboratory in 071 Caldwell is equipped with a comprehensive array of machines and instrumentation systems. The student is provided with the opportunity to explore the construction and operation of transformers , DC machines , AC synchronous and induction machines , and dynamometers. The machines are supplied from an AC and DC power distribution system ; motor starters, resistor boxes, reactors , etc. are available to use in the experiments . Measurements of electric quantities are made using a modern Computer Data Acquisition System (CDAS). Also there is an extensive stock of analog instruments , current transformers , potential transformers and current shunts. To get the most from the laboratory experience , the student is urged to review this manual carefully. Considerations such as safety , equipment , and operation of CDAS, machinery fundamentals , laboratory technique , and proper report writing are covered. 2. Safety While the electrical laboratory is not a dangerous place, there are chances for electric shocks, or arc burns, if the student is careless. The following hazard sources can be defined: 1. AC Voltage (120, 240 V single and three phase) 2. DC Voltage (120V) 3. Arcs ( interrupting inductive loads) 4. Rotating Machinery 5. H ot M achinery The comments on the following pages will offer guidelines and rules to prevent injury and equipment damage....
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This note was uploaded on 04/16/2010 for the course ECE 447 taught by Professor Staff during the Fall '08 term at Ohio State.

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ece 447 lab manual HiDef - ECE 44 7 E l ectr i c Mac hin es...

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