ADDED DATA.pdf

SPECIFICATION FOR 48kW MOBILE GENERATOR SET

RATINGS RANGE:

Standby: kW 46-48 @ 60 Hz kVA 46-60 @ 60 Hz Prime: kW 42-43 @ 60 Hz kVA 42-53 @ 60 Hz Continuous: kW 42-43 @ 60 Hz kVA 42-53 @ 60 Hz

48kW MOBILE GENERATOR SET must meet Tier 4 Final EPA-Certification for Non-road applications

GENERATOR SET FEATURES:

1. Multi-voltage system (1ph-120/240V, 3ph 120/208V, 3ph 277/480V) with three position lockable voltage selector switch for selecting the desired voltage option.

2. Unit mounted radiator with 45οC (113οF) ambient air capability at the prime rating. Radiator system capacity including engine: 3.2 gallon capacity.

3. Excitation system that delivers excellent voltage response and short-circuit capability using a rare-earth, permanent magnet (PM)-excited alternator.

4. Short-circuit capacity sustainable up to 300% of rating for up to 10 seconds.

5. Sustained short-circuit current enabling downstream circuit breakers to trip without collapsing the alternator field.

6. Self-ventilated and drip-proof construction.

7. Windings are vacuum-impregnated with epoxy varnish for dependability

8. NEMA MG1, IEEE, and ANSI standards compliance for temperature rise and manual starting.

9. Cold weather components; block heater, battery heater pad/wrap.

ENCLOSURE FEATURES:

Durable steel, sound –attenuating housing with quite operation of 69dB (A) with full load at the prime rating.

Stainless steel hinges and lockable latches on doors.

Single point lifting eye and four point tie down system.

ENGINE FEATURES:

Diesel 2.5L 4-cycle turbocharged air-cooled engine, rated RPM 1800, with electronic governor.

Frequency regulation, no-load to full-load shall be Isochronous, with frequency regulation at steady state of +/- 0.28% Uses cooled Exhaust Gas Regeneration (EGR) and Diesel Oxidation Catalyst (DOC) that meet

Tier 4 Final without a Diesel Particulate Filter (DPF).

Lockable battery disconnect switch.

12V Battery with CCA of 950 Amps, battery rack, and battery cables.

Heavy-duty air cleaner with air restrictor indicator.

Engine oil and coolant added.

125% environmental containment basin for oil and coolant.

Oil drain extension.

ALTERNATOR FEATURES:

Exciter Type: 4-Pole, Rotating-Field Brushless, Rare-Earth Permanent Magnet.

Leads: quantity and type – 12, Re-connectable 6, 600 Volt.

Voltage Regulator: Solid State, Volts/Hz Insulation, Material: NEMA MG1, Class H Sealed bearing and flexible disc coupling.

Voltage regulation, no-load – full-load: +/- 0.5% Unbalanced load capacity: 100% of rated standby current.

DIGITAL CONTROLLER FEATURES:

Provides advanced control, system monitoring, and system diagnostics for optimal performance and compatibility.

Digital display with adjustable contrast and menu control providing easy local display access.

Supports remote communication, network or serial.

Integrated hybrid voltage regulator with +/-0.5% regulation Potted circuitry for protection from vibration and debris.

Built-in alternator thermal overload protection.

NFPA 110 Level 1 capability.

Security cover.

CUSTOMER CONNECTION PANEL FEATURES:

Emergency Stop Switch.

Remote Start Connection.

120VAC, 15A, Shore power connectors for battery charger(s), and battery heater.

Field adjustable 250A main line circuit breaker.

Two 15A GFCI 120V outlets.

Three 50 Amp 240V outlets.

Load lug connections: 1 load lug per phase, #6-350MCM, 400 Amp rating.

400 Amp color-coded Camlock connections for output power.

Voltage Selector Switch, 3-position lockable, wired for o 120/240 volt, 1 phase o 120/208 volt, 3 phase o 277/480 volt, 3 phase

Lockable door with viewing window.

FUEL TANK FEATURES:

Sub-base 102 gallon fuel tank for minimum of 24 hour runtime at full load.

Includes the fuel level gauge, fuel full with a lockable cap, and an atmospheric vent.

110% secondary containment tank.

Must have and inner (primary) tank sealed inside the outer (secondary) tank. Both inner and outer tanks shall have emergency relief vents.

Fuel system must have a water separator.

TRAILER FEATURES:

Single-axle trailer with electric brake system and battery back-up breakaway system.

DOT and TC (Transport Canada) compliant per current specifications published by both agencies, at the time of trailer manufacture.

2-5/16” ball hitch coupler.

Running lights with 7 wire harness and connector.

Front tongue jack Rear stabilizer trailer jacks.

Weight bearing fenders up to 500 lbs.

Spare Tire Wheel Chocks Fire Extinguisher Utility Box

Documentation:

Documentation related to Specifications, Schematics, Operating Instructions, and Service Manuals shall be provided with the MOBILE GENERATOR SET.

NOTE: Mobile Generator Set will not be used as an Emergency Generator Set, it is only to be used for providing power to Temporary Facilities for maintenance purposes. Temporary Facilities have multiple power requirements which require the multi-voltage system provided by the specified mobile generator in this specification.

Puget Sound Naval Shipyard & Intermediate Maintenance Facility Nuclear Engineering Department, Code 2380.6 Nuclear Facilities Eugene R. Fry, Nuclear Electrical Facilities Engineer, Phone: 360-627-6497, E-mail: eugene.fry@navy.mil