ARMY TM 9-6115-464-34
AIR FORCE TO 35C2-3-445-2
NAVY NAVFAC P-8-624-34
Table 4-3. ELECTRICAL PERFORMANCE CHARACTERISTIC
PARAMETERS AC PRECISE (CLASS 1)
TEST METHOD
CHARACTERISTIC PARAMETER
VALUE
MIL-STD-705
a. Voltage characteristics
1. Regulation (%)
1
608.1
2. Steady-state-stability (variation) (bandwidth %)
(a) Short term (30 seconds)
1
608.1
(b) Long term (4 hours)
2
608.2
3. Transient performance
(a) Application of rated load
(1) Dip (%)
a. 60 HZ
15
619.2
b. 400 HZ
12
619.2
(2) Recovery (seconds)
0.5
619.2
(b) Rejection of rated load
(1) Rise (%)
a. 60 Hz
15
619.2
b. 400 Hz
12
619.2
(2) Recovery (seconds)
0.5
619.2
(c) Application of simulated motor load (twice
rated current)
(1) Dip (%)
a. 60 Hz
30
619.1
b. 400 Hz
25
619.1
(2) Recovery to 95% of rated voltage (seconds)
0.7
619.1
(See Note 1)
4. Waveform
(a) Maximum deviation factor (%)
5
601.1
(b) Maximum individual harmonic (%)
2
601.4
5. Voltage unbalance with unbalanced load (%) (Note 2)
5
620.2
6. Phase balance voltage (%)
1
508.1
7. Voltage adjustment range
(a) 50 Hz (120/208 volts)
190 to213 volts
50 Hz (240/416 volts)
380 to 426 volts
511.1
(b) 60 Hz (120/208 volts)
197 to 240 volts
60 Hz (240/41 6 volts)
395 to 480 volts
511.1
(c) 400 Hz (120/208 volts)
197 to 229 volts
400 Hz (240/416 volts)
395 to 458 volts
511.1
4-6
