APPLICATION & ENGINEERING DATA 40 kW GENERATOR SPECIFICATIONS

TYPE ..........................................................................................................Synchronous

ROTOR INSULATION ..........................................................................................Class H

STATOR INSULATION ........................................................................................Class H

TOTAL HARMONIC DISTORTION ........................................................................<3.5%

TELEPHONE INTERFERENCE FACTOR (TIF) ........................................................<50

ALTERNATOR OUTPUT LEADS 3 PHASE............................................................4 wire

BEARINGS ....................................................................................................Sealed Ball

COUPLING ..................................................................................................Flexible Disc

LOAD CAPACITY (STANDBY RATING) ................................................................40 kW

EXCITATION SYSTEM............................................................................................Direct

NOTE: Generator rating and performance in accordance with ISO8528-5,

BS5514, SAE J1349, ISO3046, and DIN6271 standards.

GENERATOR FEATURES

Revolving field heavy duty generator

Directly connected to the engine

Operating temperature rise 120 °C above a 40 °C ambient

Insulation is Class H rated at 150 °C rise

All models are fully prototyped tested

VOLTAGE REGULATOR

TYPE ................................................................................................................Electronic

SENSING ....................................................................................................Single Phase

REGULATION ..........................................................................................................± 1%

FEATURES................................................................................................V/F Adjustable

Adjustable Voltage and Gain

LED Indicators

CONTROL PANEL FEATURES

SIX LED INDICATOR LIGHTS:

Overcrank shutdown Overspeed shutdown

Low coolant level shutdown High coolant temperature shutdown

Low oil pressure shutdown Low battery voltage

System ready for operation No utility sensing

Exerciser not set (in auto mode only) Low fuel pressure

Delay on utility failure for engine start Engine warmup before transfer

Delay to retransfer to utility Delay to retransfer to utility

Engine cooldown timer

INTERNAL FUNCTIONS:

3 position switch (auto, off and manual)

2 wire start for any transfer switch

Communicates with the Generac RTS transfer switch

Built-in 7 day exerciser

Selectable engine speed at exercise

Governor controller is built into the master control board

Temperature range -40 °C to 70 °C

ENGINE SPECIFICATIONS

MAKE ................................................................................................................ Generac

MODEL..................................................................................................................V Type

CYLINDERS ..................................................................................................................6

DISPLACEMENT ................................................................................................3.9 Liter

BORE ........................................................................................................................3.91

STROKE....................................................................................................................3.31

COMPRESSION RATIO ..........................................................................................9.1:1

INTAKE AIR SYSTEM........................................................................Naturally Aspirated

VALVE SEATS ......................................................................................Precision ground

LIFTER TYPE ....................................................................................................Hydraulic

GOVERNOR SPECIFICATIONS

TYPE ................................................................................................................Electronic

FREQUENCY REGULATION ..................................................................................± 1%

STEADY STATE REGULATION ............................................................................± 1/2%

ADJUSTMENTS

Speed......................................................................................................Yes

Droop ......................................................................................................Yes

ENGINE LUBRICATION SYSTEM

OIL PUMP ................................................................................................................Gear

OIL FILTER ..........................................................................................Full flow cartridge

CRANKCASE CAPACITY ..................................................................................4 Quarts

ENGINE COOLING SYSTEM

TYPE ....................................................................................................................Closed

WATER PUMP ................................................................................................Belt driven

FAN SPEED..............................................................................................................2190

FAN DIAMETER................................................................................................22 inches

FAN MODE............................................................................................................Pusher

FUEL SYSTEM

FUEL TYPE ..........................................................................Natural gas, propane vapor

CARBURETOR ..............................................................................................Down Draft

SECONDARY FUEL REGULATOR ..................................................................Standard

FUEL SHUT OFF SOLENOID ..........................................................................Standard

OPERATING FUEL PRESSURE..................................................................5” - 14” H2O

ELECTRICAL SYSTEM

BATTERY CHARGE ALTERNATOR ............................................................12V 30 Amp

STATIC BATTERY CHARGER ..............................................................................2 Amp

RECOMMENDED BATTERY ......................................................................24F 625CCA

SYSTEM VOLTAGE ............................................................................................12 Volts

 

GENERATOR FEATURES

ˆRevolving field heavy duty generator ˆDirectly connected to the engine ˆOperating temperature rise 120 ˚C above a 40 ˚C ambient ˆInsulation is Class H rated at 150 ˚C rise ˆAll models are fully prototyped tested

CONTROL PANEL FEATURES

ˆSIX LED INDICATOR LIGHTS: Overcrank shutdown Overspeed shutdown Low coolant level shutdown High coolant temperature shutdown Low oil pressure shutdown Low battery voltage System ready for operation No utility sensing Exerciser not set (in auto mode only) Low fuel pressure Delay on utility failure for engine start Engine warmup before transfer Delay to retransfer to utility Delay to retransfer to utility Engine cooldown timer

ˆINTERNAL FUNCTIONS: 3 position switch (auto, off and manual) 2 wire start for any transfer switch Communicates with the Generac RTS transfer switch Built-in 7 day exerciser Selectable engine speed at exercise Governor controller is built into the master control board Temperature range -40 ˚C to 70 ˚C

Rating definitions - Standby: Applicable for supplying emergency power for the duration of the utility power outage. No overload capability is available for this rating. (All ratings in accordance with BS5514, ISO3046 and DIN6271). (All ratings in accordance with BS5514, ISO3046, ISO8528 and DIN6271).

KW RATING 40

ENGINE SIZE 3.9 Liter V-6

GENERATOR OUTPUT VOLTAGE/KW - 60Hz KW AMP CB Size

120/240V, 1-phase, 1.0 pf 40 167 175

120/208V, 3-phase, 3.0 pf 40 139 150

277/480V, 3-phase, 3.0 pf 40 60 70

GENERATOR LOCKED ROTOR KVA

AVAILABLE @ VOLTAGE DIP OF 35%

Single phase or 208 3-phase 80

480V 3-phase 90

ENGINE FUEL CONSUMPTION (Natural Gas)

Exercise cycle ft3/hr. 93

25% of rated load ft3/hr. 148

50% of rated load ft3/hr. 285

75% of rated load ft3/hr. 397

100% of rated load ft3/hr. 555

ENGINE COOLING

Air flow (inlet air including alternator and combustion air) ft3/min. 2725

Coolant capacity US gal. 3.0

Heat rejection to coolant BTU/hr. 153,000

Max. operating air temp. on radiator °C (°F) 60 (150)

Max. ambient temperature °C (°F) 50 (140)

COMBUSTION AIR REQUIREMENTS

Flow at rated power 60 Hz cfm 118

SOUND EMISSIONS IN DBA

Exercising at 7 meters 60

Full load at 7 meters 73

EXHAUST

Exhaust flow at rated output 60 Hz cfm 360

Exhaust temp. at muffler outlet °F 925

ENGINE PARAMETERS

Rated synchronous RPM 60 Hz 1800

HP at rated KW 60 Hz 62

POWER ADJUSTMENT FOR AMBIENT CONDITIONS

Temperature Deration

3% for every 10 °C above - °C 25

1.65% for every 10 °F above - °F 77

Altitude Deration

1% for every 100 m above - m 182

3% for every 1000 ft. above - ft. 600

RATING: All three phases units are rated at 0.8 power factor. All single phase units are rated at 1.0 power factor. STANDBY RATING: Standby ratings apply to installations served by a reliable utility source. The standby rating is applicable to varying loads for the duration of a power outage. There is no overload capability for this rating. Ratings are in accordance with ISO-3046-1. Design and specifications are subject to change without notice. KW rating is based on LPG Fuel and may derate with natural gas.

 

INTERCONNECTIONS 40 kW