 |
|||
|
|
|||
| ||||||||||
|
|  MIL-T-15108C(NAVY)
in the terminal compartment for making connections of single-phase transformers in closed
delta banks. The terminal compartment shall be so constructed that it is possible to dis-
connect readily a transformer connected in a three-phase bank without disturbing the cable
to the remaining transformers or other unit comprising the bank.
#
The rating of transformers shall be based upon an ambient
3.7 Ambient temperature.
temperature
of
50C.
3.8 Rating.
#
Transformers shall be designed for the following voltages, as specified
3.8.1 Voltage.
(see 6.2.1):
120 - 120 no-load - Group 1.
450 - 230 no-load - Group 2.
450 - 120 no-load - Group 3.
Special voltage.
Transformers shall be designed for single-phase operation.
3.8.2 Phase.
Transformers shall be designed to have the following kVA capaci-
3.8.3 KVA capacity
ties as specified see 6.2.1):
25.0
1.0
3.0
37.5
50.0
5.0
7.5
75.0
10.0
100.0
15.0
3.9 Duty. Unless otherwise specified (see 6.2.1), transformers shall be designed for
continuous duty .
#
3.10 Temperature limits. Transformers shall not exceed the values of maximum permissable
temperature rises specified table I.
Table I - Maximum permissible temperature
rises at 100 percent load.
Insulation system
Name of part
class 130
Primary winding
Secondary winding
Core
by resistance method of MIL-E-917.
by thermometer method of MIL-E-917.
#
3.11 Characteristics. Characteristics of the transformers shall be as specified in
table II.
Table II - Transformer characteristics.
3
|
|
Privacy Statement - Press Release - Copyright Information. - Contact Us |
Click
here for thousands of PDF manuals