page 124
July 01/2008
Effectivity: 914 Series
Edition 2 / Rev. 0
d04282
INSTALLATION MANUAL
BRP-Rotax
Requirements for correct operation of the integrated rectifier-regulator:
- the rectifier-regulator has to be protected by a slow blowing 50A fuse or a
circuit breaker. Fuse or circuit breaker rating must be determined by load,
wire size and length.
- cross section of the main circuit at least 4 mm
2
(10 AWG)
- a capacitor (Fig. 69 Pos. (25)) of at least 22 000 µF / 25 V is necessary
- current:
■ CAUTION: The current over speed graph has been determined and is
effective only at the following conditions:
ambient temperature: 20 °C (68 °F)
voltage: permanent 13,5 V
tolerance: ± 5%
◆ NOTE: The speed of the auxiliary generator is 1,24 times
crankshaft speed or 3 times the prop speed.
1/min. /
rpm.
2000 3000 4000 5000 6000 7000 8000
n Generator
rpm. alternator
(A)
10
20
30
40
50
1000 1500 2000 2500
n Propeller
rpm. propeller
Fig. 83
00547
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