Statement of Work.pdf

DEPARTMENT OF THE AIR FORCE

105th AIRLIFT WING (ANG)

ONE MAGUIRE WAY

NEWBURGH NY 12550-5075

SUBJECT: Statement of Work

1. Purpose: Provide 3 phase 400Hz A/C and 28VDC power.

2. Scope or mission: Facilitate repair of aircraft electrical components.

3. Impact: Would allow for repair of 5 variants of retractable landing lights, aircraft refrigerators, recognition strobe lights, aircraft ovens, and ATGL components, which are currently NRTS to other repair bases. Additionally, this dual power supply can power a CATE test set for AFIN/CNAD shops.

4. Background: The ELEN Shop is not currently able to fulfill the requirements of AFI21- 101_ANGSUP which states:

4.4.2. Electrical and Environmental (E&E) Section. The E&E Section performs authorized local manufacture, repair, overhaul, testing, modification, and inspection of aircraft and SE electrical components, wiring harnesses, batteries, and charging units.

5. Period of Performance/Delivery Date: 1 January 2025

6. Special Requirements/Salient Characteristics:

AC INPUT:

Voltage* 380-480V, ± 10%, 3Ø, 3 or 4 wire plus ground Frequency 50 - 60 Hz ± 10% Phase Rotation Any Protection Over/undervoltage, loss of phase, overcurrent, short circuit. Voltage transient protection IAW IEEE C62.41.1, Location Cat. B/C Inrush Current No greater than 100% of full load current

AC OUTPUT:

Power Rating 20kVA Power Factor Range 0.5 lagging to 0.8 leading Voltage 115/200 volts, 3Ø, 4 wire, grounded neutral Voltage Adjust ± 15% Voltage Regulation ± 1.0% under all conditions of line, balanced loads and temperature Voltage Transients IAW MIL-STD-704F Frequency Regulation 400 Hz ± 0.01% under all conditions of line, load and temperature Phase Angle Regulation ± 1° for balanced loads; ± 2° for unbalanced loads Harmonic Distortion 2.0% maximum Protection Overload, short circuit, over/under voltage and safety disconnect Automatic Line Drop Compensation (ALDC) 10%

DC OUTPUT:

Voltage 28 VDC, 2 wire, grounded negative

Voltage Regulation 100% continuous rated load and ±10% input voltage ± 0.5% No load to rated load with nominal input voltage ± 0.5% Voltage Adjust 28 VDC ± 10% Current Limit Adjust 150A to full rated current Protection Overload, short circuit, over voltage and safety disconnect Automatic Line Drop Compensation (ALDC) 10%

ENVIRONMENTAL:

Acoustical Noise < 65 dBA maximum at 5 feet (1.5m) Temperature Range -40°C to +55°C Relative Humidity 10 - 95%, Non-Condensing Ingress of Water Type 3SX, IP55

Mechanical Specifications:

Unit must be mounted on wheels Unit must be less than 70 inches wide Unit must be less than 60 inches long Unit must be less than 50 inches tall Input cable, 20 feet, single jacket 3-conductor with ground and plug ready AC output cable, 30 feet, banded multiple conductor with aircraft plug DC output cable, 30 feet, banded multiple conductor with aircraft plug