250kW Natural Gas Generator Set

Description
250kW natural gas generator set is powered by high calorific value gas fuel—natural gas. Based on the general generator set model, our 250kW natural gas generator set is equipped with pressurization system and intercooling system. The cooling system is operated in separated high low temperature cycling mode. High temperature cycling system refrigerate air cylinder, body and cylinder head while low temperature circulating cooling system refrigerate the supercharged fuel gas and oil cooler.

Features
The electronic control system of our 250kW natural gas generator set adopts measurable gas and air mixture ratio sensor — oxygen sensor. Oxygen sensor collects the mixing ratio of fuel gas & air signal and feeds back to the electronic control unit which will offer the signal to the electronic control regulator and adjust whether increase or decrease the fuel gas flow. Natural gas flow is controlled by electronic control regulator in order to maintain the best gas-air mixing ratio, thus to obtain the best economical efficiency.
As an experienced China gas generator set manufacturer, we provide various kinds of high quality gas generator sets with different specifications for our customers.

parameters

Parameter		Specifications
Model		AMC250GF-PN
Volume of antifreezing solution (L)		70
Volume of engine oil (L)		36
Working pressure of engine oil (bar)		2.5-5.5
Conversion efficiency %		40
Engine type		4 stroke、turbocharging
Engine capacity		11.596
Rated speed (rpm)		1500
Engine conversion efficiency %		93.4
Motor type		ECO38-2LN/4
Rated Voltage (V)		230/400
Rated Frequency (Hz)		50
Power factor		0.8(hysteretic)
Continuous output	kW	225
	kVA	281.25
	A	405.9
Rated Output	kW	250
	kVA	312.5
	A	451.0
Starting mode		24VDC electrical starting
Speed regulation mode		Electronic speed governing
Fuel control mode		Lean burn,closed-loop control
Sparking mode		Electronically controlled single cylinder independent high-energy ignition
Exciting mode		Brushless excitation (AVR control)
Voltage adjustment rate		≤±2%
Voltage volatility		≤±0.5%
Floating voltage waveform deviation factor		≤3%
Voltage adjustment rate		- 10% + 15 %
Voltage recovery time (S)		≤1.5
Transient frequency regulation		- 15% ~ + 12 %
Frequency recovery time (S)		≤5
Insulation grade		F
Level of protection		IP21
Gas consumption rate kW·h/Nm³		3.63
Fuel value MJ/Nm³ (100% methane)		35.882
Full load natural gas consumption rate Nm³/h		68.8
Weight kg		2050
Dimension (mm)		3250×1150×1720

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