170kw Continuous Output Biogas Power Generator Set

Product Description

1. Main structure of the biogas generator set
Biogas generator sets include biogas-fueled reciprocating internal combustion engines, alternators, electrical parts, control devices, cooling systems, lubrication systems, exhaust systems, fuel systems, and auxiliary equipment. Except for the exhaust pipe and silencer of the exhaust system, they are mounted on a steel chassis. The generator set is a fixed permanent installed generator set. The steel underframe is mounted to the concrete foundation.
2. Main structure of the biogas engine
T12 high-tech biogas engine is the national 863 program project production. It is a domestic leading level natural gas engines with new generation of electricity, rare field combustion and four valves. Based on STEYR technology the engine is designed and developed by SINOTRUK with the EControls company and has complete intellectual property rights. It has the characteristics of low gas consumption, low exhaust temperature, good reliability and low maintenance cost.
3. Alternator
The brushless constant-voltage synchronous alternators are of the self-excited type with an electronic voltage regulator integrated in the excitation system. They are used as main or standby units in land based power installations and for ships' electrical systems and can be driven by internal combustion engines or gas, steam and water turbines and electric motors.
Structure:
The alternator comprises the main machine exciter and excitation system. The main machine is of revolving magnetic field with cylindrical rotor and damper winding. The exciter is revolving armature machine. The exciter power is supplied to the rotor of the main machine via rotating rectifiers.
4. Genset control panel
The control panel adopted Harsen controller and can detect the current, voltage, speed, frequency, power, engine cooling water temperature, engine oil pressure, exhaust temperature, number of starts, running time, etc. of the unit. The screen also designed a variety of necessary protections for the generator set to ensure safe and stable operation of the unit. The main protections include high water temperature, low oil pressure, overspeed, high temperature, over voltage, under voltage and low frequency. The control panel provides DC power switch, emergency stop button, and unit fault alarm indication.
The automatic generator set adopts automatic control system, which can realize self-starting, self-regulating, self-adjusting frequency, automatic load-carrying, automatic fault alarm, automatic control, etc., to achieve digital management, the generator is always ready to start, the main power supply is cut off or When the fault occurs, the standby unit starts immediately and is put into the load operation at 15S. The unit is interlocked with the external power. The automatic switching between the mains and the standby unit is realized through the ATS of the Party A. When the utility power is restored, the standby unit exits and enters the shutdown process. When the startup is unsuccessful for 3 consecutive times, it can issue a startup failure alarm, and automatically stop when the unit fails, and provide alarm signal information.
5. Parameter table

CM170S12B biogas generator set
Genset model	CM170S12B
Engine model	Sinotruk T12
Alternator model	Henjo or equivalent
Controller	DEIF
Max power	200kw
Continuous output	170kw
Rated voltage	400V
Power factor	0.8 (lagging)
Rated frequency	50Hz
Rated speed	1500rpm
Steady state voltage regulation rate	≤±2.5%
Stabilization time	≤1.5s
Transient state voltage regulation rate	≤ ±20%
Fluctuation rate	≤±0.5%
Steady state frequency regulation rate	≤0-5% (adjustable)
Stabilization time	≤5s
Transient state frequency regulation rate	≤±10%
Fluctuation rate	≤±0.5%
Starting method	24V DC start
Voltage regulating method	AVR (Automatic voltage regulation)
Speed governing method	Electronic governor
Ignition system	Digital ignition system
Cooling mehtod	Forced water cooling with multi-fans radiator
Coupling method	Flexible coupling
Reference dimension	3060x1300x1605mm (the drawing will be presented after signing of contract)
Reference weight	2500kg
Biogas engine data
Model	Sinotruk T12
Engine type	Four strokes, spark plug ignited, water cooled, turbocharged and inter-cooled
Cylinder arrangement	6 in line
Bore	126mm
Stroke	155mm
Displacement	11.596L
Rated speed	1500rpm
Compression ratio	11:1
Design combustion type	Lean combustion
Air to fuel gas ratio	<1.5
Flywheel teeth number	136
Minimum temp of engine coolant	71ºC
Maximum temp of engine coolant	86ºC
Maximum exhaust back pressure	83 mbar
Fuel gas to oil ratio	≤0.3
Oil capacity	36L
Temp of exhaust gas	<580ºC
Cooling method	Forced water cooling, multi-fans radiator
Lubricating method	Pressure and splashing lubricating
Ignition method	Spark plug ignition
Starting method	24V DC start
Rotating direction	Counterclockwise (flywheel view)
Output method	Flywheel output
Alternator data
Model	Henjo
Rated capacity	250kva
Rated voltage	400V
Rated frequency	50Hz
Power factor	0.8 (lagging)
Rated speed	1500rpm
Protection class	IP23
Insulation class	H
Phases and connection	3 phases and 4 wires
Exciting method	Brushless
Voltage regulating method	AVR automation

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