MIL-DTL-38195D
d.
RPM (% rated) indicated on unit gage
e.
Frequency (Hz)
f.
AC volts (line-to-line or line-neutral @load)
g.
AC volts current (amps)
h.
DC volts indicated on unit meter
i.
DC current (amps) indicated on unit meter
j.
Power factor (calculated)
k.
AC power (kW)
AC generator air temperature, inlet and outlet (° F)
l.
TR air temperature, inlet and outlet (° F)
m.
Ambient air temperature (° F)
n.
4.4.1.2.5 Automatic start test. The generator set shall be tested for satisfactory functional operation of the
automatic start controls by five (5) consecutive automatic starts at no load. Shutdown shall be approximately two (2)
minutes after the turbine reaches operating speed and exhaust temperatures below 600° F. All restarts, except one,
shall be initiated as soon as the compressor reaches zero (0) RPM. One (1) restart shall be initiated while the
compressor is rolling to a stop at 20 percent ±10 percent of rated (RPM) speed (see 3.4.1; 4.2; and 4.5.1).
4.4.1.2.6 Normal operation checks. The generator set shall be operated for at least 27 minutes in accordance
with (IAW) the following schedule (see 3.4.1; 4.2; 4.5.1; and 4.6.9.2):
Test Time (Minutes)
Load
15
Rated load pneumatic
6
Rated load AC
6
75% rated load AC and
100% rated load DC
4.4.1.2.6.1 Test duration.
4.4.1.2.6.1.1 Items (a) through (d) of paragraph 4.4.1.2.4.2 shall be recorded at least five (5) minutes after the
start of rated load pneumatic test.
4.4.1.2.6.1.2 Items (e) through (k) of paragraph 4.4.1.2.4.2 shall be recorded approximately mid-way between
the start and finish of the full load pneumatic test and every three (3) minutes during the electrical tests.
4.4.1.2.6.1.3 Items (l) through (n) of paragraph 4.4.1.2.4.2 shall be recorded at the mid-point and conclusion of
the electrical test time periods.
4.4.1.2.7 Full load start test. The full load start test shall be conducted with the bleed air valve open to the
atmosphere in accordance with (IAW) the procedures as follows (see 3.4.1, 4.2; 4.5.1; and 4.6.9.2):
a.
Place master switch (S-5) in the "ON" position.
b.
Actuate the turbine start switch (S-7).
c.
When the percentage of RPM reaches 30%, place the bleed air switch (S-10) in the "ON"
position.
d.
When the READY-TO-LOAD light comes on, actuate the AC RESET SWITCH (S-3) which
will arm the generator. The AC output voltage (120 volts nominal) should stabilize at 400 ± 1
Hz within 20 seconds.
10
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