TM 5-6115-465-34
TO 35C2-3-446-2
NAVFAC P-8-625-34
TM 06858B/06859D-34
62.5
Volts
..................
o. 50/60 Hz Generator Classification and Rating
(Cont):
Amperes . . . . . . . . . . . . . . . . 26
Winding resistances (total):
Duty classification . . . . . . . Continuous
Winding . . . . . . . . . . . . . nominal value, in ohms,
Field winding (stator) . . . . Series
at 77F (25C)
Degree of enclosure . . . . . . Drip-proof
Generator field
Cooling . . . . . . . . . . . . . . . . . Convection
(rotor) . . . . . . . . . . . . 3.31
r. 50/60 Hz Generator Repair and Replacement
Generator armature
(stator) . . . . . . . . . . . . 0.068
standards.
Phase . . . . . . . . . . . . . . . . . 3
Rotor:
Temperature rise . . . . . . 167F (75C)
Number of coi1s . . . . . . . . 4
Degree of enclosure . . . . Drip-proof
Turns per coil . . . . . . . . . 335
Lubrication
Wires per turn . . . . . . . . . 2
requirements . . . . . . . . . None
Wire size . . . . . . . . . . . . . #15 Rd.
p. 400 Hz Generator Classification and Rating:
Number of slots . . . . . . . . 8
Rating . . . . . . . . . . . . . . . . 30 KW
Coils per slot . . . . . . . . . . 2
Kilovolt amperes . . . . . . . 37.50
Turns per coil . . . . . . . . . 710
Winding resistances (total):
Coil connection . . . . . . . . Series
. . . . . . . . . . . . Nominal value, in ohms,
Winding
at 77F (25C)
Field volts . . . . . . . . . . . . 53
Generator field
Total resistance . . . . . . 2.94 ohm
(rotor)
. . . . . . . . . . 2.61
Pole length . . . . . . . . . . . 5.75 inches
Generator armature
I n s u l a t i n g materials . . . Varnish, type M Grade
(stator) . . . . . . . . . . . 0.033
CL155, MIL-I-24092
Phase . . . . . . . . . . . . . . . . . 3
Dripping compound . . . . . Varnish, fungus-
Temperature rise . . . . . 167F (75C)
resistant, MIL-V-173
Degree of enclosure . . . . Drip-proof
Stator:
Lubrication
Number of poles . . . . . . . . 4
requirements . . . . . . . . . None
Number of slots . . . . . . . . 54
50/60 Hz and 400 Hz Generator Exciter
Number of coils . . . . . . . 54
Classification and Rating.
Turns per coil . . . . . . . . . 7
Manufacturer . . . . . . . . . . Electric Machinery Mfg.
Co., Inc.
......... 1
Coils per slot
Type . . . . . . . . . . . . . . . . . . Rotating armature with
Turns per slot . . . . . . . . . 7
externally mounted static
3
Wires per turn . . . . . . . .
excitation and voltage
regulation assembly
3
Wires per slot . . . . . . . . .
Kilovolt amperes . . . . . . . 1.63
1 and 12
Pitch Of coils . . . . . . . . . .
Winding resistances:
......
12 groups of 2
Grouping of coils
Winding . . . . . . . . . . . . . Nominal value, in ohms,
6 groups of 5
at 77F (25C)
#16 Rd.
Wire size
............
Exciter field
............
11.0 inches
Gap bore
(total) . . . . . . . . . . . . 2.19
0.64 inches
...........
Skew at gap
Exciter armature
(single coil) . . . . . . . 0.10
Insulating
materials:
Phase . . . . . . . . . . . . . . . . 3
54
Slot insulators . . . . . . . .
Operating frequency:
Phase insulators . . . . 12
50 Hz generator . . . . . . 100 Hz
Type M, Grade CL155,
Varnish . . . . . . . . . . . . . .
60 Hz generator . . . . . . 120 Hz
MIL-V-173.
400 Hz generator . . . . . . 133 Hz
1-5
