235vac for ground handling equipment – AMETEK Compact i/iX Series Software Manual User Manual
Page 71
User Manual - Rev H
California Instruments
Avionics Software
71
4.4.1.4
235VAC for Ground Handling Equipment:
Test No.
Section
Subject
Test Limits
Comment
File Ref.
1.0
Normal AC Steady State
1.1
Individual Phase Voltage
190.0 to 244.0 Volts RMS
30 mins, 441Hz and 360Hz
GHHVAC-11
1.2
Average of Three-Phase Voltages
193.0 to 241.0 Volts RMS
30 mins, 441Hz and 360Hz
GHHVAC-12
1.3
Phase Displacement
120.0 +/- 4.0°
No specified test
1.4
Phase Voltage Unbalance
Max. 12.0 Volts RMS
Apply each test 30 mins
GHHVAC-14
1.5
AC Voltage Modulation
1.5.1
Maximum Amplitude
10.0 Volts Peak-to-Valley
Follows specification Figure 1
GHHVAC-15
1.5.2
Frequency Components
Per Figure 1
Figure only, not a test. (Refer to spec)
1.6
Voltage Waveform
1.6.1
Total Harmonic Content
Max. 10% of Fundamental
30 mins each test
GHHVAC-16-1
1.6.2
Individual Harmonic Content
Max. 8% of Fundamental
Requires audio generator
1.6.3
DC Content
+/-0.20 Volts (after first cycle)
30 mins each test
GHHVAC-16-3
1.6.4
Crest Factor
1.41 +/- 0.15
No specified test
1.7
Steady State Frequency (see Designer Notes)
360 to 441 Hz
Requirement fulfilled in 1.1 and 1.2
1.8
Frequency Modulation
Applies to Ground Handling Equip only
2.0
Normal AC Transients
2.1
Voltage Transients
50ms Dropouts
441Hz and 360Hz
GHHVAC-21-1
2.1
Voltage Transients
Voltage Surge/Sag
3 times each, 441Hz and 360Hz
GHHVAC-21-2
2.1
Voltage Transients
Per Table 3.3.2-6
2 times each
GHHVAC-21-3
2.2
Voltage Spikes
Per Figure 10
Requires additional equipment
2.3.1
Frequency Variations - Max Ramp Rate
100Hz/s up, 200Hz/s down
N/A for GHE
2.3.2
Frequency Variations - Frequency Transients
Applies to Ground Handling Equip only
GHHVAC-23
3.0
Abnormal AC Steady State
3.1
Individual Phase Voltage
190.0 to 268.0 Volts RMS
Single Phase Unit Test
GHHVAC-31
3.2
Average of Three-Phase Voltages
193.0 to 265.0 Volts RMS
5 mins each test
GHHVAC-32-1
3.2
Average of Three-Phase Voltages
190.0 to 268.0 Volts RMS
Three Phase Unit Test
GHHVAC-32-2
3.3
Abnormal Steady State Frequency (see Designer Notes)
360 to 441 Hz
Requirement fulfilled in 1.7
4.0
Abnormal AC Transients
4.1
Voltage Transients
Per Figure 5A
Apply each transient 3x with 10s interval
GHHVAC-41
4.2
Frequency Transients
4.2.1
Maximum Ramp Rate
120Hz/s up, 400Hz/s down
N/A for GHE
4.2.2
Transients Outside of Steady State Range
350 to 480 Hz
3 times each, 400Hz nominal
GHHVAC-42-2