Service manual

SPECIFICATIONS
WESTERBEKE 20 KW BEDA GENERATOR
ELECTRICAL SYSTEM AC GENERATOR (3 Phase)
Starting Battery
Battery Capacity
DC Charging Altemator
Starter
Starting Aid
DC No-Load Current
DC Cranking Current
12-Volt, (-) negative ground
400 - 600 Cold Cranking Amps (CCA)
51 Amp rated, belt-driven
12-Volt, Reduction Gear, 3 KW
Glow plugs, sheathed type
± 2% of rated Amps
250 - 300 Amps (engine cold)
AC GENERATOR (SINGLE PHASE)
General - Single Phase
Voltage - Single Phase
Voltage regUlation:
Frequency regulation:
Rating (Volts AC)
Brushless, four-pole, revolving field Sealed
lubricated single bearing design.
Reconnectable single phase for 1201240 volts
with solid state voltage regulator.
120 or 120/240 Volts - 60 Hertz
230 Volts - 50 Hertz
± 2% no load to full load.
0.30 Hertz no load to full load.
20 KW - 60 Hertz (1800 rpm)
120 Volts 166 Amps
1201240 Volts 166183 Amps
16 KW - 50 Hertz (1500 rpm)
230 Volts 72.7 Amps
General - 3 Phase Brushless six pole, revolving field.
20.0 KW - 60 Hertz Sealed lubricated single bearing
16.0 KW - 50 Hertz design. 12 Lead reconnectable for low voltage
WYE, high voltage Delta. Solid State voltage
regulator with protection circuitry.
Voltage - 3 Phase
Low voltage WYE
208 volts
(60 Hertz)
High voltage WYE
480 volts
DELTA 240 volts
Voltage - 3 Phase
High voltage WYE 380 volts
(50 Hertz) DELTA 230 Volts
Amperage - 3 Phase
Low voltage WYE 70 Amps
(60 Hertz) High voltage WYE
35 Amps
DELTA
60 Amps
Amperage - 3 Phase
High voltage WYE 30.4 Amps
(50 Hertz) DELTA
52.5 Amps
GENERATOR COOLING
Air Requirements 425 cfm (12.74 cmm)-
(60 Hertz at 1800 RPM)
Note: Increase air supply 15% for 50 Hertz operation 1500 rpm
Engine Combustion Air 81.0 cfm (2.29 cmm)
Requirements
(60 Hertz at 1800 RPM)
Engines & Generators
63