Cramster.com - Homework Solutions, Lecture Notes, Exams, and Free Online Homework Help
Sign Up Now! Login Customer Support Cramster Blog
McAfee Secure sites help keep you safe from identity theft, credit card fraud, spyware, spam, viruses and online scams
Problem Solved.
    Home    
    Homework Help    
   Answer Board   
    Resources (Beta)    
   
You Are Here: Home > Answer Board > Electrical Engineering > Topic: Power Electronics
Member's Topic Headline:

Power Electronics

Know the answer? Have a better solution? Share it.
Sign Up Now for FREE!
Join the thousands of students
getting ahead in their classes.
Member Testimonials

Question:

Advertisement:
Answer | Ask New Question | Customize Profile | Leaderboards | 
FAQ

Member's Avatar
Rookie
Karma Points: 0
Respect (0%):
Date Posted: 7/3/2008 7:31:14 AM  Status: Live
Power Electronics
Course Textbook Chapter Problem
N/A N/A N/A N/A
Question Details:
a Three phase to single phase converter employs a 6 pulse bridge circuit. This device is fed from 400V,50 Hz supply through a delta/stare transformer whose per  phase turns ratio 3:1. For an output frequency of 2Hz, the load reactance is w0L =3ohm.The load resistance is 4 ohms.The commutation overlap and tyristor turn off time limit the firing mode to 1650.Compute (a) peak value of rms output voltage (b) rms output current (c) output powerr

Answers:

Cramster Expert

Member's Avatar
(Cramster SME)
Moderator
Cramster In-House Subject Matter Expert
Date Posted: 7/9/2008 6:02:25 AM  Status: Live
Asker's Rating: None Provided    Moderator's Rating: N/A
Response:
Given,
Perphase input voltage to transformer = 400 V   
Therefore Perphase input voltage to converter,                 
Input voltage to bridge converter
                                                 
Voltage reduction factor,
For 6-pulse device,
The fundamental rms phase value of the output voltage of a cycloconverter is
a)
Peak value of  r.m.s. output voltage
b)
Rms output current,
 
c)
Output power
Hope this helps you...



By reading or posting messages on these forums, you are agreeing to the Answer Board's Terms of Service and Conduct (TSC).


About Cramster | Terms of Use | Privacy Policy | Contact Us | Press Room | Site Map | Support | Anti-Cheating Policy

Cramster.com is not affiliated with any publisher. Book covers, title and author names appear for reference only.
Copyright © 2008 Cramster, Inc.