APPLICATION |
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& ENGINEERING DATA | SG020 / SG025 |
GENERATOR SPECIFICATIONS
TYPE | ||
ROTOR INSULATION | Class F | |
STATOR INSULATION | Class F | |
TOTAL HARMONIC DISTORTION | <3% | |
TELEPHONE INTERFERENCE FACTOR (TIF) | ................................<50 | |
ALTERNATOR | ||
BEARINGS | 1 | |
COUPLING | Direct, Flexible Disc | |
LOAD CAPACITY (STANDBY) | 100% | |
NOTE: Emergency loading in compliance with NFPA 99, NFPA 110, paragraph
EXCITATION SYSTEM |
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DIRECT | DC excitation system ✓ |
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REGULATION | |
.................................................................................... | +2% regulation ✓ |
GENERATOR FEATURES
■Two pole, revolving field generator, directly connected to the engine shaft through a
■Generator meets the temperature rise standards for class "F" insulation as defined by NEMA
■All prototype models have passed a
■All prototype models are tested for motor starting ability by measuring the instantaneous voltage dip with a waveform data acquisition system.
■All models utilize an advanced wire harness design for reliable interconnection within the circuitry.
■Magnetic circuit, including skewed stator design, provides a minimal level of waveform distortion and an electromagnetic interference level which meets accepted requirements for standard AM radio, TV, and marine radio telephone applications.
■Voltage waveform deviation, total harmonic content of the AC waveform, and T.I.F. (Telephone Influence Factor) have been evaluated to acceptable standards in accordance with NEMA
■Alternator is
■Fully
■System Torsional acceptability confirmed during Prototype Testing.
■Generac
ENGINE SPECIFICATIONS
MAKE | GENERAC | ||
MODEL | MMC 4G15 | ||
CYLINDERS | 4 | ||
DISPLACEMENT | 1.5 Liter (91.5 cu. in.) | ||
BORE | 75.5 mm (2.97 in.) | ||
STROKE | 82 mm (3.23 in.) | ||
COMPRESSION RATIO | 9.4:1 | ||
INTAKE AIR | Naturally Aspirated | ||
NUMBER OF MAIN BEARINGS | 5 | ||
CONNECTING RODS | |||
CYLINDER HEAD | S.O.H.C. | ||
PISTONS | |||
CRANKSHAFT | Drop Forged Steel | ||
VALVE TRAIN |
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| |
LIFTER TYPE | Rocker Arm Type | ||
INTAKE VALVE MATERIAL | High Temperature Alloy Forged | ||
EXHAUST VALVE MATERIAL | High Temperature Alloy Forged | ||
VALVE SEATS | Replaceable | ||
ENGINE GOVERNOR |
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❐ ELECTRONIC | Standard | ||
| FREQUENCY REGULATION, | .. Isochronous | |
| STEADY STATE REGULATION | +0.25% | |
LUBRICATION SYSTEM |
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| |
TYPE OF OIL PUMP | Gear | ||
OIL FILTER | Full flow, cartridge | ||
CRANKCASE CAPACITY | 3.8 Liters (4 qts.) | ||
COOLING SYSTEM |
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TYPE OF SYSTEM | Pressurized, closed recovery | ||
WATER PUMP | |||
TYPE OF FAN | Pusher | ||
NUMBER OF FAN BLADES | 6 | ||
DIAMETER OF FAN | 380 mm (15.0 in.) | ||
COOLANT HEATER | 120V, 500 W | ||
FUEL SYSTEM |
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FUEL |
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❐ | Natural Gas or L.P. Vapor | Standard | |
❐ | L.P. Liquid Withdrawal | Optional | |
CARBURETOR | Down draft | ||
SECONDARY FUEL REGULATOR | Nat. Gas or L.P. Vapor Systems | ||
HOT WATER VAPORIZER | L.P. Liquid Withdrawal Systems | ||
AUTOMATIC FUEL LOCKOFF SOLENOID | Standard | ||
OPERATING FUEL PRESSURE VAPOR SYSTEMS | 7" to 15" H2O | ||
ELECTRICAL SYSTEM |
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| |
BATTERY CHARGE ALTERNATOR | 15 Amps at 12 V | ||
STARTER MOTOR | 12 V | ||
RECOMMENDED BATTERY | (1) - 12 V, 530 CCA, 26F | ||
GROUND POLARITY | Negative | ||
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). Prime (Unlimited Running Time): Applicable for supplying electric power in lieu of commercially purchased power. Prime power is the maximum power available at variable load. A 10% overload capacity is available for 1 hour in 12 hours. (All ratings in accordance with BS5514, ISO3046, ISO8528 and DIN6271).
