625KVA Biogas CHP Heat & Power Cogeneration
Description of 625KVA Biogas CHP Heat & Power Cogeneration
The 500kW biogas CHP heat & power cogeneration system selects Cummins gas engines as main power. This engine is widely used in natural gas and bio-gas power generation and it is well-known for its performance and reliability.
The generator set use gaseous fuel as its power resource and through spark ignition engine to convert thermal power to electricity. Cooling system, lubrication system, fuel supply system, control system, power output system, synchronization system, heat recovering system and base plate are equipped. It is an integrated electrical output equipment and it also accepts various gaseous fuel.
1) Gas engine is connected with alternator SAE flywheel housing through a torque elastic coupling and then been installed on a solid base plate. Shock mitigation system is also installed to avoid shake during operation.
2) Gas valve set, which includes manual globe valve, pressure gauge, filter and pressure regulating valve, is integrated on the base plate.
3) Gas Engine
Proved gas engine is controlled by imported gas close-loop lean-burn control system which includes high energy ignition system, gas-exclusive speed regulator, fuel flow rate control valve, variable Venturi mixture. The system is also optimized by our company to achieve high reliability and efficiency.
4) Alternator
Reliable and efficient mported brushless self-excited AC synchronized alternator is selected.
5) Jacket Water Heat Recover System
The heat ex-changer is SS brazing plate heat ex-changer.
Technical Parameters
Data & & Manufacturing Technology 625KVA Biogas CHP Heat & Power Cogeneration | |||
Allowed Overload 110% (Hour) | 1 | Telephone interference factor (TIF) | ≤50 |
Voltage Setting Range | ≥±5% | Telephone harmonious factor (THF) | ≤2%,as per BS4999 |
Steady-state voltage deviation | ≤±1% | Manufacturing technology
al wiring program
Standards and certificate
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Transient-state voltage deviation | -15%~20% | ||
Voltage recovery time (s) | ≤4 | ||
Voltage unbalance | 1% | ||
Steady-state frequency regulation | ±0.5% | ||
Transient -state frequency regulation | -15%~12% | ||
Frequency recovery time (s) | ≤3 | ||
Steady-state frequency band | 0.5% | ||
Recovery time response (s) | 0.5 | ||
Sine Distortion Rate of Line Voltage Waveform | ≤ 5% |
Exhaust Flow Rate | 3138kg/h |
Discharge Fume Temperature | 680℃ |
Front End Max. Allowed Back Pressure | 5kPa |
Emission (Optional) | |
(100% Load 5% Oxygen) NOx: | < 500 mg/Nm³ |
(100% Load 5% Oxygen) CO/CH4 | ≤ 600 mg/ Nm3 |
(100% Load 5% Oxygen) NMHC | ≤ 125mg/ Nm3 |
Noise | |
SPL at 7m (Standard Environment Condition) | 500BG / 108dB (A) & 500BGS / 83dB (A) |
[1] Emission after catalyst.
Alternator performance data | Engine Data | ||||
Brand | Mecc alte | Engine Brand | Baudouin (Weichai) | ||
Model | ECO40-1.5L4B | Model | 12M33D690 | ||
Rated Voltage(V) | 380 | 400 | 415 | Type | V Type-12 cylinder, Turbocharger |
Rated Power (H) (kW ) | 500 | 500 | 500 | Bore × Distance (mm) | 150 mm×185 mm |
Rated Capacity (H) (kVA) | 625 | 625 | 625 | Displacement(L) | 39.2 |
Electric Efficiency %/(400V) | 96.8 | 96.8 | 96.8 | Pressure Ratio | 11 |
Power Factor | 0.8 | Rated Output Power | 690kW/1500rpm | ||
Wire Connection | D/Y | Max. Lubricant Consumption(g/kW.h) | 0.3 | ||
Rotor insulation class | H | Minimum Air Input (kg/h) | 3012 | ||
Rate Temperature Raise | F | Ignition Mode | Electric Control, Single Cylinder Independent High Energy Ignition | ||
Excitation method | Brush-less | Fuel Control Mode | Lean burn, close loop control | ||
rpm(min-1) | 1500 | Regulation Mode | Electric control | ||
Enclosure Protection Class | IP23 | Cooling | Forced Water Cooling |
Alternator compliance withGB755, BS5000, VDE0530, NEMAMG1-22, IED34-1, CSA22.2 and AS1359 standard.
In case of nominal mains voltage variations by ± 2%, an automatic voltage regulator (AVR) must be used.