Pramac GGW500G 500kVA / 400kW 3-Phase Natural Gas Generator

Pramac’s GGW Gas Fuelled generators with cutting-edge Generac engines for faultless performance and low maintenance costs. The best solution for standby applications. The GGW500G produces 500kVA / 400kW 3-phase power from a natural gas engine.

All Pramac Natural Gas and Liquid Petroleum Gas generators are built to order and take 10-12 weeks to deliver

Main Features

• Engine: Generac
• Alternator: Mecc Alte
• Standby Power: 500kVA / 400kW
• Prime Power: 450kVA / 360kW
• Voltage: 400V/230V
• Phase: 3
• Fuel consumption @25% of standby: 46.6 m³/hr
• Fuel consumption @50% of standby: 69.9 m³/hr
• Fuel consumption @75% of standby: 94.5 m³/hr
• Fuel consumption @100% of standby: 117.8 m³/hr
• Noise level @ 7m: 68 dB(A)
• Circuit Breaker: 800A

Engine Specifications

• Brand: Generac
• Cylinders: 12 V angle
• Displacement: 25800cc
• Bore: 132 mm
• Stroke: 160 mm
• Compression ratio: 10:1
• Aspiration: Turbocharged aftercooled
• Operating speed nominal: 1500rpm
• Speed Governor: Electronic
• Steady State Frequency Regulation: +-0.25%
• Ignition: Electronic
• Carburettor: Downdraft
• Operating Fuel Pressure: 1.7-2.7 kPa
• Cooling System: Water
• Coolant capacity: 78 litres
• Oil Filtration: Twin Full Flow
• Oil Capacity: 95 litres
• Electric circuit: 24V

Alternator Specifications

• Brand: Mecc Alte
• Model: ECO40-3S
• Poles: 4
• Type: Brushless
• Standard Automatic Voltage Regulator: DER1-A
• Voltage Tolerance: 1%
• Insulation Class: H
• Ingress Protection: IP23
• Voltage Regulation System: Electronic

Dimensions (including canopy)

• Length: 4700 mm
• Width: 1700 mm
• Height: 2290 mm
• Dry Weight: 5550 kg

Engine and Alternator

The 12 cylinder V angle 22 litre turbocharged, water-cooled Generac Engine feeds a Mecc Alte 4-pole Brushless Alternator with an automatic voltage regulation system (AVR) with tolerance of 1% and Ingress Protection level of IP23

The engine features an oil drain extension, heavy duty air cleaner, fan guard, flexible stainless steel exhaust connection, an industrual exhaust silencer and factory filled oil and coolant as standard

Fuel System

• Primary and secondary fuel shut-off
• Fuel line NPT connection

Cooling System

• Close Coolant Recovery System
• UV/Ozone resistant hoses
• Factory Installed Radiator
• 50/50 Ethylene Glycol Antifreeze
• Radiator Drain Extension

Electrical System

• Battery Charging Alternator
• Battery Cables
• Battery Tray
• Rubber-Booted Engine Electrical Connections
• Solenoid Activated Starter Motor

Alternator System

• Class H Insulation Material
• 2/3 Pitch
• Skewed Stator
• Auxiliary Winding Excitation System
• Sealed Bearing
• Amortisseur Winding

Generator Set

• Internal Genset Vibration Isolation
• Wrapped Exhaust Piping (Enclosed Only)
• Bottom (floor) power cable outlet
• 1-year Warranty or 1000 hours
• Exhaust silencer Mounted in the Discharge Hood (Enclosed Sets)

Enclosure

• High-Performance Sound Absorbing Material
• Gasketed Doors
• Galvanized Sheet Metal Construction
• Upward Facing Discharge Hood (exhaust)
• Steel Hinge

Control System

Power Zone® Pro Controller

Advanced integrated gen-set control platform that includes all drives and functions to manage the gas gen-set and perform an optimal combustion of the fuel, while maximizing performance.

User Interface (UI)

• 7" Colour Display with touch screen
• User-friendly icons
• Remote Connection via WiFi or Bluetooth

Mode of Operation

• Manual - Automatic (ACP)
• Parallel (MPP) genset-to-genset with 4-Poles motorized CB available in MPP configurations
• Single gen-set automatic start (2-Wire)
• Single Gen-set with Mains Failure control (AMF)
• Gen-to-gen parallel (unlimited) with remote start

Program Functions

• Programmable Crank Limiter
• 7-Day programmable Excerciser
• RS232/485 Communications
• LAN communication
• 3-Phase sensing Voltage Regulator
• 2-Wire start Capability
• Date/Time Fault History (event Log)
• Isochronus Governor Control
• Audible Alarms and shutdown
• Auto On/Off Manual Switch
• E-Stop Button (Mushroom)
• Customizable Alarms, Warnings, Events
• Modbus protocol
• Predictive Maintenance Algorithm
• Sealed Boards
• Password Parameter Adjustment Protection
• Single Point Ground
• Alarm Information Automatically Announced on the touchscreen display

Full System Status Display

• Power Output (kW)
• Power Factor Cos(φ)
• kWh total and last run
• Active/Reactive/Apparent Power
• All Phase AC voltage
• All Phase Currents
• Oil Pressure
• Coolant Temperature
• Coolant Level
• Engine Speed
• Battery Voltage
• Frequency

Alarms And Warnings

• Oil Pressure
• Coolant Temperature
• Coolant Level
• Low Fuel Pressure Alarm
• Engine Overspeed
• Battery Voltage
• Alarms and Warnings times and date staped
• Snap Shot of key Operation Parameters during Alarms and Warnings
• Alarms and Warinings Spelled Out (No Alarm Codes)
• Multilingual

Other Protections

• Circuit Breaker (III poles)
• Emergency stop button
• 4-Poles motorized CB (Optional MPP)