Westerbeke 12.5 BTDA - Page 39

Single Phase
Voltage
Voltage Regulation
Frequency Regulation
Rating (Volts AC)
60 Hertz (1800 rpm)
11.0 KW
50 Hertz (1500 rpm)
6.3KW
Generator Cooling
Air Requirements
(50 Hertz) at 1 BOO rpm
SPECIFICATIONS
WESTERBEKE 11.0 KW BTD GENERATOR
Brushless, four-pole, revolving field.
Pre-lubricated, single-bearing design.
Reconnectable,· single-phase transformer
regulation .
(optional solid state voltage regulator)
120 or 120/240 Volts - 60 Hertz
220 Volts - 50 Hertz.
:t5% no load to full load.
±3 Hertz (5%) no load to full load.
120 Volts 91.5Amps·
120/240 Volts 91.6/45.8 Amps
220 Volts
37.7 Amps
200 - 225 cfm (5.66 - 6.37 cmm)
AC GENERATOR THREE PHASE
Three Phase
Brushless, six-pole, revolving field. Sealed
11.0 KW - 60 Hertz lubricated single bearing design. 12 lead
8.3 KW- 50 Hertz 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
220 volts
Amperage- 3 Phase
Low voltage WYE 38 Amps
(60 Hertz) High voltage WYE 16 Amps
DELTA
33Amps
Amperage - 3 Phase
High voltage WYE 15 Amps
(50 Hertz) DELTA.
27 Amps
GENERATOR COOLING
Engine Combustion 32 elm (.906 cmm)
NOTE; Increase air supply 15% for 50 Hertz operation (1500 rpm).
Air Requirements
(60 Hertz at 1800 RPM)
Generator Compartment
Ambient Temperature
Recommendations
Cooling Air
l"'IIV"IWEBIERBEKE
l EnglnM & Generators
33
104°F (40°C) maximum
NOTE: Forced ventilation should be provided
to maintain generator·compartment tempera-
tures below 104°F (40°C).
100-200 cfm (2.83-5.66 cmm)