Table 520.5: -iii: Input Voltage and Frequency Test Schedule · MIL-STD-810H

Cycle	Normal Operating Voltages	Frequency (AC systems)
1	Nominal	Nominal
2	High	Low
3	Low	High
4	Nominal	Nominal
5	High	High
6	Low	Low
7	Nominal	Nominal
8	High	High
9	Low	Low
10	Nominal	Nominal

520.5 -IV: Aircraft Electrical Power Characteristics

	Department of Defense MIL-STD-704 Aircraft Electrical Power Characteristics
MIL-STD-704 Version	MIL-STD-704	MIL-STD-704A	MIL-STD-704B	MIL-STD-704C	MIL-STD-704D	MIL-STD-704E	MIL-STD-704F
Published Date	6-Oct-59	9-Aug-66	17-Nov-75	30-Dec-77	30-Nov-80	1-May-91	12-Mar-04
	115 Line to Neutral (rms) 400 Hz
Normal AEOC	Normal Aircraft Electrical Operating Condition
Voltage Steady State Limit (Vrms)	107 5-119 5	108-118	108-118	108-118	108-118	108-118	108-118
Frequency Steady State	380-420	380-420	395-405	393-407	393-407	393-407	393-407
Abnormal AEOC	Abnormal Aircraft Electrical Operating Condition
Voltage Steady State Limit (Vrms)	103-137	102-124	100-125	100-125	100-125	100-125	100-125
Frequency Steady State	320-480	370-430	375-425	380-420	375-425	380-420	380-420
Emergency AEOC	Emergency Aircraft Electrical Operating Condition
Voltage Steady State Limit	105-122	104-122	102 - 124	104-122	104-122	108-118	108-118
Frequency Steady State	360-440	360-440	360-440	360-440	360-440***	393-407	393-407
	28 VDC (mean)
Normal AEOC	Normal Aircraft Electrical Operating Condition
Voltage Steady State(Norm)	21-29	24-28 5	22-29	22-29	22-29	22-29	22-29
Ripple(1.2kHz-16.8kHz)	1 5	2 0 Peak/Mean	1 5 Peak/Avg	1 5 Peak/Avg	1 5 Peak/Avg	1 5 Peak/Avg	1 5 Peak/Avg
Abnormal AEOC	Abnormal Aircraft Electrical Operating Condition
Voltage Steady State(Abn)	12-36	22 5-30	20-31 5	20-31 5	20-31 5	20-31 5	20-31 5
Emergency AEOC	Emergency Aircraft Electrical Operating Condition
Voltage Steady State(Emg)	17-29	16-24	18-29	16-30	16-29	18-29	16-29
	270 VDC (mean)
Normal AEOC	Normal Aircraft Electrical Operating Condition
Voltage Steady State(Norm)			250-280	250-280	250-280	250-280	250-280
Ripple(1.2kHz-16.8kHz)			6 0 V Peak/Avg	6 0 V Peak/Avg	6 0 V Peak/Avg	6 0 V Peak/Avg	6 0 V Peak/Avg
Abnormal AEOC	Abnormal Aircraft Electrical Operating Condition
Voltage Steady State(Abn)			245-285	245-285	245-285	240-290	240-290
Emergency AEOC	Emergency Aircraft Electrical Operating Condition
Voltage Steady State(Emg)			240-290	240-290	240-290	250-280	250-280
	MIL-STD-704 Version Aircraft Platforms
	C-2	E-3	None	AV-8	UH-1Y/AH-1Z	F-18 E/F/G	CH-53K
	C-9	E-2	E-6A	V-22	P-8	AH-64E
	C-5	F-18 A/B, C/D	OH-58D	AH-64D	F-35	MQ-8C
		P-3	C-17		MH-60M (VDC)	MQ-25
		H-3			UH-60M/V (VDC)	YMQ-18A
		H-53D/E			MQ-8B	PAR
		H-60			MQ-4C
		EA-6B			MQ-1C
		UH-1N/AH-1W			RQ-7B
		MH-47D/G			CRH (VDC)
		CH-47E/F			A-29
		AH-64A			RQ-4
		UH, HH-60A/L
		MH-60M (VAC )
		UH-60M/V (VAC )
		F-15
		F-16
		CRH (VAC)

Note 1. Refer to MIL-STD-704 for additional information concerning electrical power characteristics.

Note 2. The MIL-STD-704 version may have additional notices. Refer to the latest notice to find any changes. Most notices do not vary the input power steady state conditions.
Note 3. ***360 – 457 Hz (V-22) Special Frequency Range, see V-22 platform specification.
Note 4. If material is to be used on multiple platforms, use the lowest and highest levels of all applicable MIL-STD-704 versions.

Note 5. Refer to STANAG 3456, ISO 1540, or EN 2282 for NATO member aircraft electrical power characteristics.

Note 6. For the C-130, F-22, and U-2 aircraft platforms, contact the appropriate Platform Program Office for electrical power conditions.

MIL-STD-810H METHOD

520.5 -VI. RTCA DO-160 Power Characteristics

Commercial Standard RTCA DO-160 Power Input Characteristics
RTCA-DO-160 Version	DO-160E	DO-160F	DO-160G
Published Date	09-December- 2004	06-December- 2007	08-December- 2010
115 Line to Neutral (rms) 400Hz
Normal Voltage Steady State	100-122	100-122	100-122
Frequency Steady State	390-410	390-410	390-410
Abnormal Voltage Steady State	97-134	97-134	97-134
Abnormal Frequency Steady State	370-430	370-430	370-430
28 VDC mean
Normal Voltage Steady State	22-30.3	22-30.3	22-30.3
Normal Ripple Voltage	≤4V pk to pk	≤4V pk to pk	≤4V pk to pk
Abnormal Voltage Steady State	20.5-32.2	20.5-32.2	20.5-32.2
Emergency Voltage	18	18	18
270 VDC mean
Normal Voltage Steady State	N/A	235-285	235-285
Ripple Voltage	N/A	≤16 pk to pk	≤16 pk to pk
Emergency Voltage	N/A	235	235

Note 1: Refer to DO-160, Section 16.0 for further information concerning electrical power characteristics.

MIL-STD-810H METHOD 520.5

520.5 -IX Template: Procedure I and III - Envelope test cycle (Based on Option 1)

The following table correlates to the profile steps and typical mission segments. This template shall be populated with actual parameters derived from Table 520.5-VIII. Reference Paragraph 2.3.1, Table 520.5-VIII, Step 9

STEP	Test Phase Definition	Temp °C (°F)	Relative Humidity	Supp. Cooling Air °C (°F)	Supp. Cooling Mass Flow (lbs/min)	Altitude	Test Item- Operating/non op.	Func Test	Duration
1	Pre-Test Set-up and Functional Test at Standard Ambient	Standard Ambient	Uncontrolled	N/A	N/A	Site	Operating/Non- operating (Note 8)	Yes	As Required
2.a	Ramp to Cold/Dry Min Power ON Temp	Ramp (Notes 1,2)	Uncontrolled	N/A	N/A	Site	Non-Operating	No	As Required
2.b	Cold/Dry Stabilization	Min. Power ON Temp (Notes 1, 3)	Uncontrolled	N/A	N/A	Site	Non-operating	No	As Required (See Part One, paragraph 5.4)
2.c	Cold/Dry Warm-up	Min. Power ON Temp (Note: Conditioned Air may be required for some equipment.)	Uncontrolled	N/A	N/A	Site	Operating (Note 8)	No	Minimum time required to perform power up and specified warm-up
2.d	Cold/Dry Functional test	Min. Power ON Temp (Note: Conditioned Air may be required for some equipment.)	Uncontrolled	N/A	N/A	Site	Operating (Note 8)	Yes	Minimum time required to perform functional test
2.e	Ramp to Op Temp (Warm-up)	Ramp (Notes 1, 2)	Uncontrolled	N/A	N/A	Site	Operating	No	As required
3	Cold/Dry Soak	Min. Op Temp (Note 1)	Uncontrolled	N/A	N/A	Site	Operating	No	2 hours minimum
4	Cold/Dry Functional test	Min. Op Temp (Note 1)	Uncontrolled	N/A	N/A	Site	Operating	Yes	Minimum time required to perform functional test

MIL-STD-810H

METHOD 520.5

520.5 -IX (Con't) Template: Procedure I and III - Envelope test cycle (Based on Option 1)

STEP	Test Phase Definition	Temp °C (°F)	Relative Humidity	Supp. Cooling Air °C (°F)	Supp. Cooling Mass Flow (lbs/min)	Altitude	Test Item- Operating/non op.	Func Test	Duration
5	Ramp to Warm/Moist	Ramp to 32°C (Note 2)	Ramp to > 95% RH (Note 10)	N/A	N/A	Site	Non-operating	No	As Required
6	Warm/Moist Soak	32°C (90°F)	95% RH	N/A	N/A	Site	Non-operating	No	1 hour minimum
7	Warm/Moist Functional Test	32°C (90°F)	95% RH	N/A	N/A	Site	Operating	Yes	As Required
8	Ramp to Cold/Dry Altitude	Ramp to Min Op Temp (Notes 1,2)	Uncontrolled	N/A	N/A	Ramp to Max Op Alt (Notes 4, 5)	Operating	No	As Required
9	Cold/Dry Altitude Soak	Min Op Temp	Uncontrolled	N/A	N/A	Max Op Alt	Operating	No	Stabilization, plus one hour; or 2 hours, whichever is less
10	Cold/Dry Altitude Functional test	Min Op Temp	Uncontrolled	N/A	N/A	Max Op Alt	Operating	Yes
11	Ramp to Warm/Moist	Ramp to site (Note 2)	Ramp to ≥ 95% RH (Note 10)	N/A	N/A	Ramp (Note 5)	Operating	No	As Required
12	Warm/Moist Soak	+35°C	≥ 95% RH	N/A	N/A	Site	Operating	No	30 minutes minimum
13	Warm/Moist Functional test	+35°C	> 95% RH	N/A	N/A	Site	Operating	Yes	As Required
14	Power Off	+35°C	≥ 95% RH	N/A	N/A	Site	Non-Operating	No	As Required

MIL-STD-810H

METHOD 520.5

520.5 -IX (Con't) Template: Procedure I and III - Envelope test cycle (Based on Option 1)

STEP	Test Phase Definition	Temp °C (°F)	Relative Humidity	Supp. Cooling Air °C (°F)	Supp. Cooling Mass Flow (lbs/min)	Altitude	Test Item- Operating/non op.	Func Test	Duration
15.a	Ramp to Hot/Dry Max Power ON temp	Ramp (Notes 1, 2)	Ramp to <10%	N/A	N/A	Site	Non-operating	No	As Required
15.b	Hot/Dry Stabilization	Max Power ON Temp (Notes 1, 3)	<10%	N/A	N/A	Site	Non-operating	No	As Required (See Part One, paragraph 5.4)
15.c	Hot/Dry Power ON	Max Power ON Temp (Note 1)	<10%	Per Spec (Note 9)	Per Spec (Note 9)	Site	Operating (Note 8)	No	Minimum time required to perform power up
15.d	Hot/Dry Functional Test	Max Power ON Temp (Note 1)	<10%	Per Spec (Note 9)	Per Spec (Note 9)	Site	Operating (Note 8)	Yes	Minimum time to perform functional test
15.e	Ramp to Operational Temperature	Ramp (Notes 1, 2)	<10%	Per Spec	Per Spec	Site	Operating	No	As Required
16	Hot/Dry Soak	Max Op Temp (Note 1)	<10%	Per Spec	Per Spec	Site	Operating	No	2 hours minimum
17	Hot/Dry Functional test	Max Op Temp (Note 1)	<10%	Per Spec	Per Spec	Site	Operating	Yes	As Required
18	Ramp to Hot/Dry Altitude	Max Op Temp	<10%	Per Spec	Ramp (Adjust Mass Flow for Alt)	Ramp to Max Op Alt (Note 5)	Operating	No	As Required