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ReproductdQEbaESh& INARMERofinte National Archives
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:
ENGIRemsivoflerateros Region
-to.__¥e P+ Ryan, General Superintendent ,
FROM:
M. L. Prouty, Supt., Elect, Dept.
RE:
40899
pene
942
WEATHER STATION GENERATORS
DATE:__20 dune 1957
On the basis of information received by this department, it is presently
Planned to use the 15KW generators, purchased for Operation REDWING, at certain of the weather station sites proposed for the forthcoming operation, |
These generators are all single phase and were used with separate feeders,
no provision being made for interchange of feeder circuits in event of any
individual generator failure. This resuited in many emergency runs to the
locations in an attempt to keep the unit running,
I
In addition to the proposed usage of five (5) each of the single phase units
(4 each to be used for furnishing camp power and lights with the fifth unit
as spare for the other four) it is tentatively proposed to use two (2) each
208-Volt, 3 phase, 4 wire generators,
One of these three phase generators
to furnish power for mess hall range operation only and the other three phase
generator to act as standby for the range operation only.
Due to voltage generation difference between the single phase and the three
phase machines, as well as the extremely excessive amount of switchgear that
would be necessary, it would be completely impractical to attempt standby
interchange between the three phase and one phase systems,
This will make it necessary to run a minimm of four single phase units plus
.
one three phase uhit in order to provide all camp lights and power and mess
hall operation,
In addition to the undesirable situation outlined in the preceeding paragraph,
the following conditions also exist:
1.
(Ref:
Print #53003-3X3, dtd. 84~55)
Individual feeder runs mist be made from generation point to
each location as outlined, as well as an additional run to
the mess hall for range power supply.
2.
It will be necessary to maintain two separate lists of supply
parts both for the 15KW and the 60KW generators and prime movers.
Unless a complete list of parts is maintained at each site in
question wrong or misleading information received from said site
can easily result in a service man arriving at the site with the
wrong repair parts,
By the simple process of procuring one (1) each additional generator (60KW)
identical to the two already proposed for these sites, the five (5) single
phase generators can be completely eliminated from the picture.
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