Yesterday's Tractor Co. New Parts for Old Tractors
Click Here or call 800-853-2651 
   Allis Chalmers Case Farmall IH Ford 8N,9N,2N Ford
   Ferguson John Deere Massey Ferguson Minn. Moline Oliver
 
Marketplace
Tractor Manuals
Tractor Parts
Classified Ads
Photo Ads

Community
Discussion Forums
Project Journals
Tractor Town
Your Stories
Show & Pull Guide
Events Calendar
Hauling Schedule

Galleries
Tractor Photos
Implement Photos
Vintage Photos
Help Identify
Parts & Pieces
Stuck & Troubled
Vintage Ads
Community Album
Photo Ad Archives

Research & Info
Articles
Tractor Registry
Tip of the Day
Safety Cartoons
Tractor Values
Serial Numbers
Tune-Up Guide
Paint Codes
List Prices
Production Nbrs
Tune-Up Specs
Torque Values
3-Point Specs
Glossary

Miscellaneous
Tractor Games
Just For Kids
Virtual Show
Museum Guide
Memorial Page
Feedback Form

Yesterday's Tractors Facebook Page

Related Sites
Tractor Shed
TractorLinks.com
Ford 8N/9N Club
Today's Tractors
Garden Tractors
Classic Trucks
Kountry Life

Enter your email address to receive our newsletter!

subscribe
unsubscribe
  
Tool Talk Discussion Board

Re: OT Windmills OT


[ Expand ] [ View Replies ] [ Add a Reply ] [ Return to Forum ]

Posted by jackinok on September 12, 2012 at 12:05:45 from (162.58.82.136):

In Reply to: Re: OT Windmills OT posted by ldj on September 12, 2012 at 11:20:28:

your confusing transmission lines with distribution lines. transmission lines generaly come out of a power plant run for miles and miles sometimes coast to coast,which is why a power plant failure in arizona causes a blackout or brownout in new york city.common voltages would be something on the order of 169000+.the voltage have to be that high to make up for power losses due to the miles they run.these are normaly all overhead simply for ease of repair and fault finding. once they reach a distribution point they run into substations which lower the voltages normally in the 7200-20,000 range. lines out of the substation are very often underground,simply because if theres a failure its localized.these lines are called distribution lines.and the distributing system starts with them.these are the lines that you see beside the road running to the transformer on you pole,or to the pad mounted transformer on the ground.the transformer simply lowers voltage even further to the ones used in your shop or home.
on a wind generating system since it is a multiple source system these lines can run under ground( though they often are in large conduits) even though voltages are high, simply because if you lose one it just shuts down and load switches to another local source. if these same lines running from a single source such as a generating plant goes down the tremendous loads on them often cause a cascade failure that takes out switching systems , other plants ,etc etc. and has at least the potential of taking down electrical systems in a large portion of a state or the country.
normally,if their is such a thing, a wind farm would be wired into the distribution side of this so they could run a localized area,therefor relieving the load off the transmission system.but they can be miles and miles from the end energy user,and tie into that grid. another reason line are not overhead in a wind farm generally is they would be in the way of the mill tracking the wind.law requires these lines be a min of so many feet off the ground( used to be 25 feet at their lowest point) by having them overhead blade tip hieght would have to be more adding greatly to the cost of the towers etc.


Replies:




Add a Reply

Name:
E-Mail:
Subject:

Comments:

Optional Link URL:
Link Title:
Optional Image URL:
Optional Video Title:
Optional Video Embed:

Advanced Posting Options

Email Notification: If you check this box, email will be sent to you whenever someone replies to this message. Your email address must be entered above to receive notification. This notification will be cancelled automatically after 2 weeks.



 
Advanced Posting Tools
  Upload Photo  Select Gallery Photo  Attach Serial # List 
Return to Post 
TRACTOR   PARTS TRACTOR   MANUALS
Same-Day Shipping! Most of our stocked parts ship the same day you order (M-F).  Expedited shipping available, just call!  Most prices for parts and manuals are below our competitors.  Compare our super low shipping rates!  We have the parts you need to repair your tractor.  We are a Company you can trust and have generous return policies!   Shop Online Today or call our friendly sales staff toll free (800) 853-2651. [ More Info ]

Home  |  Forums


Copyright © 1997-2014 Yesterday's Tractor Co.

All Rights Reserved. Reproduction of any part of this website, including design and content, without written permission is strictly prohibited. Trade Marks and Trade Names contained and used in this Website are those of others, and are used in this Website in a descriptive sense to refer to the products of others. Use of this Web site constitutes acceptance of our User Agreement and Privacy Policy

TRADEMARK DISCLAIMER: Tradenames and Trademarks referred to within Yesterday's Tractor Co. products and within the Yesterday's Tractor Co. websites are the property of their respective trademark holders. None of these trademark holders are affiliated with Yesterday's Tractor Co., our products, or our website nor are we sponsored by them. John Deere and its logos are the registered trademarks of the John Deere Corporation. Agco, Agco Allis, White, Massey Ferguson and their logos are the registered trademarks of AGCO Corporation. Case, Case-IH, Farmall, International Harvester, New Holland and their logos are registered trademarks of CNH Global N.V.

Yesterday's Tractors - Antique Tractor Headquarters