687KVA 550kW Natural Gas Engine Generator
Jichai Brand Generator is designed and manufactured to be high quality, long usage life, easy operation, low maintenance cost, high intelligence with low engine speed, low fuel consumption, low gas quality requirement, tough environmental adoptability, high stability and low fluctuation. The generator is desirable for industrial power solution.
550kW Natural Gas Generator is equipped with 12V190ZDT1-1 Gas engine made by Jinan Diesel Engine Company, Ltd. as original power. It is consisted of brushless three-phase synchronous Siemense alternator, which are produced in China under Siemense Licence and Control Panel made by advanced manufacturing plant.
MAIN SPECIFICATIONS OF GAS GENERATOR SET
Model | 550GF-T | Gas Engine Model | 12V190ZDT1-1 | |
Rated power | 550kW/687KVA | Alternator | Siemens Series | |
Rated voltage | 400V | Starting method | 24V DC electric start | |
Rated speed | 1000rpm | Coupling method | ||
Rated frequency | 50Hz | Voltage regulation | Automatic | |
Rated current | 902A | Cooling Mode | Flat bed radiator | |
Power factor | 0.8 Lagging | Heat Consumption | £ 9500kJ/kWh | |
Control mode | Electric control | Overall dimension (mm) | 4733×2040×2780 | |
Net Weight (kg) | 13700 |
MAIN ELECTRICAL PERFORMANCE OF THE GAS GENERATOR
Voltage | Frequency | |||||||
Stabilized regulation | Instantaneous regulation | Recovery time | Fluctuation | Stabilized regulation | Instantaneous regulation | Recovery time | Fluctuation | |
±2.5% | +20%-15% | 1.5 S | 0.5 % | 0-5% adjustable | +10%，-10% | < 7 S | <0.5 % | |
CONTROL PANEL Control panel is panel type, vertical structure, model is GPL550. Control panel is equipped with meters showing various parameters of operating status, automatic air switch and timer. All of the electric cells possess three-proof functions. | ||||||||
MAIN SPECIFICATIONS OF GAS ENGINE
Model | 12V190ZDT1-1 |
Rated power | 550kW (687KVA) |
Number and layout of cylinders | 12-cylinders, V-type, 60° included angle |
Type | Four strokes, Open type water cooled, Turbo-charged, Electronic ignition, Electronic speed governor |
Fuel | Natural Gas |
Ignition type | Spark plug ignition |
Intake gas pressure required | 80-300kPa before gas pressure regulator |
Bore´Stroke | 190´210 mm |
Heat consumption | £ 9500kJ/kWh |
Speed Governor | (Woodward) Electric governor |
Oil consumption | £ 0.25g/kWh |
Total lubricating oil capacity | 200L |
Lowest speed | 700 rpm |
Exhaust temperature (before turbine) | £ 650 °C |
Heavy overhauling period | 56,000h |
MAIN SPECIFICATIONS OF ALTERNATOR
Alternator model | Exciting model | Insulation class | Connection | Cooling | Structure type |
1FC456-6TA42 (SIEMENS) | Brushless | Class F | 3-phase, 4-wire | Air cooled | AVR and reactive droop regulator assembled in alternator |
Data shown in above table tested under standard working condition: 25 Dec C, atmospheric pressure 100kPa, relative humidity 30%, altitude <1000m.
The Generator possesses the following automatic monitoring and protective functions:
- High oil and water temperature
- Low oil pressure
- Over current
- Short circuit
- Over-speed
- Reverse power
B) Shut-off for:
- Low oil pressure
- Over-speed
- Over-speed
- Reverse power
C) Trip-off for:
- Over-current
- Short circuit
- Reverse power
