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lpandey
Participant

Join Date: Nov 2006
Posts: 2

Hydro Power - Machine Layout in Horizontal Francis Turbine

11/27/2006 6:09 AM

Please suggest, can we reduce length of the machine hall in a surface Hydro Power Station by keeping the two machines in opposite direction i.e. mirror image to each other (their draft tube will be at the middle of the machine hall and generators at the extreme ends). If so, how much we can reduce the length of the machine hall to enable us save Excavation cost and Civil Construction cost.

Also suggest what are the constraints in having this option. PLease elaborate Electrical as well as Mechanical Constraints too.

L. D. Pandey

Noida, India
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Jazzy1oh1
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Fans of Old Computers - Commodore 64 - New Member

Join Date: Jun 2006
Location: North of Hell South of Heaven and moving.
Posts: 76
#1

Re: Hydro Power - Machine Layout in Horizontal Francis Turbine

11/28/2006 8:30 AM

I don't have an answer as I know little. However the US Corps of Engineers may have a manual or a person that would advise you. http://www.usace.army.mil/ is the link to the Site. Good Luck.

__________________
 Reality to one by defintion is illusion to another by defintion. J. Walborn
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ZackPhilly
Active Contributor

Join Date: Feb 2006
Posts: 22
#2

Re: Hydro Power - Machine Layout in Horizontal Francis Turbine

11/28/2006 9:53 AM

This is more than a casual answer could fix for you.

I suggest American Hydro Corporation (US based) http://www.ahydro.com/index.htm they have a low footprint patented "Seagull" design that may be useful, as well as the full range of hydroturbines and expertise.

When I was in the industry 10 years ago they were the best performing hydroturbines followed by:

Voith www.voithsiemenshydro.com (Main plant in US)

Escher-Wyse (can't find them)
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rajesh-pentaflo
Participant

Join Date: Dec 2008
Posts: 1
#3

Re: Hydro Power - Machine Layout in Horizontal Francis Turbine

12/27/2008 4:17 AM

dear sir,

if you go for mirror image arrangement of turbines the direction of rotation on runner and generator will change.

so need for different direction(cw & ccw) runners & generators.

so mechanical and electrical equipment cost will increase, as well as maintenance problem also(no ideal runner we would keep two different spare runners).

regards,

rajesh

new delhi
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