Quantcast Figure 2-10. Double bus arrangement and automatic transfer panel, wiring diagram.

 

Click here to make tpub.com your Home Page

Page Title: Figure 2-10. Double bus arrangement and automatic transfer panel, wiring diagram.
Back | Up | Next

Click here for thousands of PDF manuals

Google


Web
www.tpub.com

Home


   
Information Categories
.... Administration
Advancement
Aerographer
Automotive
Aviation
Construction
Diving
Draftsman
Engineering
Electronics
Food and Cooking
Logistics
Math
Medical
Music
Nuclear Fundamentals
Photography
Religion
   
   

 

Share on Google+Share on FacebookShare on LinkedInShare on TwitterShare on DiggShare on Stumble Upon
Back
Types of Ac Power
Up
TM-11-5895-1012-10 Technical Control Facility (General) Manual
Next
Uninterruptible Power Supply
TM 11-5895-1012-10
this provides for losses and the capability to maintain
tages of light weight, quick starting, and acceptance of
constant speed at full load. The engine must also be
load without the usual warmup period. A disadvantage
equipped with a governor to maintain a constant out-
is their high fuel consumption rate.
put when the generator is connected to a varying load.
2-27. Power Distribution
Diesel and gasoline engines are used as prime movers.
a General. As previously indicated, most DCS
Stations have at least two separate power sources, pri-
(1) Diesel Engines. Both low-speed and high-&
mary power and auxiliary power. These two power
diesel engines are used as prime movers. High-speed
sources must be selectable; that is, switching and other
necessary mechanisms must be provided to permit
diesel engines can be installed at less cost than the low-
speed, heavy-duty diesel engine, but not operated or
station personnel to select the desired source. Change-
over must be fast, in fact, it should be possible to
maintained as economically.
(2) Gasoline Engines. Gasoline engines are used as
change power sources without any break in the power
supply to the communications equipment. When pri-
prime movers to drive generators of limited capacity
mary power fails without warning, this may not be
to supply power on an intermittent or purely auxiliary
basis. They should not be used to drive generators to
possible, but activation of the auxiliary power and con-
nection to the communication should comply with the
supply power continuously or over extended periods of
prescribed standards. In addition to the power change-
time, because the useful life of a gasoline engine in
over requirements, normal operation requires that the
continuous service is relatively short. The initial cost
power demands within the station be balanced among
of a gasoline engine is much less than that of a diesel
the phases of *phase primary power supplies.
engine, but maintenance costs are higher.
b. Switchboards and Automatic Transfer Panels.
(3) Gas Turbines. Gas turbines have the advan-
EL3Z0055
Figure 2-10. Double bus arrangement and automatic transfer panel, wiring diagram.

Privacy Statement - Press Release - Copyright Information. - Contact Us

Integrated Publishing, Inc. - A (SDVOSB) Service Disabled Veteran Owned Small Business