ALTERNATORS
18
Design
3-
phase 6-pole pairs synchronous
generator with integrated rectifier and
voltage regulator,
Double insulated (G2) copper wire
of temperature class over 200°C for
stator and rotor windings,
Rectifier with power press-fit
type Zener diodes with operating
temperature Tj=225°C max,
Mono-Function Regulator (14V, 28V):
Self-Excitation Supply (D+, diode trio),
Microelectronic,
Multi-Function Regulator (14V):
Direct Excitation Supply (B+),
Microelectronic,
Metal-graphite brushes and smaller
diameter copper slip rings for higher
brushes life,
Two internal fans for CW or CCW
rotation,
Special roller type sealed bearings for
high pulley loads.
Main technical data
Type
AAN
Rated Voltage (V)
14
28
Rated Current (A)
125 - 200
80 - 120
Stator Diameter (mm)
142
Cooling
Air cooling / Two internal fans (CW or CCW)
Weight
1
(
kg)
~ 7.3
Max Permanent / Short time
Rotational Speed (RPM)
13.000 / 15.000
Voltage Regulator
Mono-Function (14V / 28V) / Multi-Function (14V)
Power diodes Type
Press-fit Zener (65A, 80A (14V) / 50A (28V))
Over-voltage Protection
YES
Zener Voltage (V)
19-25 (14
V) / 34-40 (28V)
Electrical terminalsMono/
Multi-function regulator
(
B+, D+, W, B-) / (B+, L, W, B-, DFM)
Drive end bearing /
Rear bearing dimension
17
X52X17, 17x62X17 / 17x40x12
Protection of the Slip rings and
Brushes Compartment
IP 56
Operating (Storage) Temperatures
- 40
°C to + 110°C (+ 130°C)
EMC
Approved (Regulative ECE-R10 Rev.3: 2008-08)
Options
Insulated ground (return).
Marine versions available.
AAN
compact
AAN compact
1
without pulley
Applications
Agricultural and construction
machinery (Top-range),
Heavy –duty applications,
Passenger cars and commercial
vehicles with higher electrical demand
Special applications:
• 48
V alternators,
• 110
V~, 230V~ AC voltage alternators.
Features
Compact design,
Dust-proof,
Trash screens available,
CW or CCW rotation fans,
Multi-function regulator with
additional functions (14V),
Pulleys and mounting brackets
available according to customer’s
requirements
High specific output power,
Over-voltage protection,
Higher protection against accidental
contact,
Lower noise level,
Long life operation,
Max Efficiency > 65%
EMC approved and certified.