MIL-HDBK-1004/5
Table A-4
Service Cable Length Versus Loads and Feeder Cable Lengths (1)
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Feeder Cable
Number of
Maximum Service
Length
Unit Loads
Cable Length (2)
Feet
on Feeder
Feet
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5,000
1
550
3
525
5
500
7
450
9
375
10,000
1
550
2
500
4
425
5
350
15,000
1
525
2
450
4
300
20,000
1
500
2
425
3
300
25,000
1
475
2
350
3
150
30,000
1
475
2
300
40,000
1
425
2
150
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(1) Parameters are as follows:
No. 4/0-AWG service cable, 0.085 + j0.178 ohms per 1,000 feet
Series compensation, 20 percent
Generator voltage regulated at high voltage side (4,160 volts)
No. 2-AWG aircraft cable, 40 feet
No. 2-AWG feeder cable, 15,000 feet (4,160 volts)
Unit Loads, 100-ampere, 0.8-power-factor each
(2)
Length to assure that steady state voltage at aircraft interface point is
not less than 113 volts.
63