Genset working condition:
Altitude: 500m above sea level
Ambient temperature: 0℃ ~ + 40℃ （The temperature lower than 0℃ will need oil heater andwater heater）
Required Gas Pressure: 7-12kPA
Biogas Requirement: CH4 content≥55%, Gas heat value≥5500kcal/Nm3 (23MJ/Nm3 ). If use low heat value gas for fuelHeat value＜5500kcal/Nm3, it willlower the power efficiency.
Gas does not include free water or free materials (the size ofimpurities should be less than 5μm.)
H2S content≤200mg/Nm3
NH3 content≤20mg/Nm3
Impurities content≤30mg/Nm3；size≤5μm
Water content≤40g/Nm3, no freewater.
Scope of Supply:
Serial No. | Name | Specification | Qty. | Note | |
1 | Generator set:KDGH400-G | ||||
1.1 | Engine | HGKT38 | 1 | Turbocharged&Intercooled | |
1.2 | Alternator | LSA47.2M7 | 1 | Brand ：Fance Leroy somer | |
1.3 | Controller | DSE 7320 | 1 | Deep sea or CompA IG-NT | |
1.4 | Mixer | Manual | 1 | Manually regulate the A/F ratio | |
1.5 | Radiator | Vertical Radiator | 1 | Heat release
| |
1.6 | Sound Proof | 20’ft | 1 | 80dBA@1meter | |
2 | GAS Train (Standard) | ||||
2.1 | Filter | Clean the gas | 1 |
Required gas pressure is 7-12kPa. Clean the gas, regulate the gas pressure, protect gas gen-set running safely
| |
2.2 | Ball valve | Manually Cut off gas pipe | 1 | ||
2.3 | Solenoid valve | Automatically Shut off gas pipe | 1 | ||
2.4 | Zero Pressure Regulating valve | Regulate the gas pressure | 1 | ||
2.5 | Flame Arrestor | Prevent backfire | 1 | ||
2.6 | Pressure meter | Measure the pressure | 2 | ||
2.7 | Reducer valve | Reduce the pipe inlet pressure | 1 | ||
1. Genset Specification Data:
Model Description | KDGH400-G |
Gas Generator Set Parameters | |
Prime power (KVA/KW) | |
continuous power (KVA/KW) | 400KVA/320KW |
Rated voltage（V） | 400V |
Rated frequency（Hz） | 50 |
Rated current（A） | 759.6 |
Steady-state voltage regulating rate | ≤±1.5% |
Transient voltage regulating rate | ≤±20% |
Voltage recovery time（s） | ≤1 |
Voltage fluctuation rate | ≤1% |
Voltage waveform distortion rate | ≤5% |
Steady-state frequency regulating rate | ≤1% (adjustable) |
Transient frequency regulating rate | -10%～12% |
Frequency recovery time (s) | ≤7 |
Insulation class | H |
Engine parameters | |
Engine model | HGKT38(Cummins) |
Type | 60° V type 4-Cycle;12-Cylinder, water cooled,Turbocharged and Aftercooled |
No. of cylinders | 12V |
Bore X Stroke(mm) | 159 X 159 |
Displacement(L) | 37.8 |
Compress ratio | 11:1 |
Rated speed(r/min) | 1500 |
Fuel gas | Natural gas |
Fuel consumption | 114.92 m3/h |
Oil type | API service grade CD or higher SAE 15W-40 CF4 |
Oil consumption ( g/kW.h) | ≤0.5 |
Max.exhaust temp.（POPC） | ≤680 |
2.Advantages:
l Experiment-evidential gas engine technology；
l Overhaulterm: 25000 hours；
l Over75% cogeneration efficiency；
l Economicaland low-cost running: lower gas and oil consumption；
l Specially-designedair valves, crankshaft, camshaft, pistons, ignition system and combustionchamber according to international brands gas engine technology；
l 4 air valves design for each cylinder,sufficient air intake and exhaust, more air intake, to realize higher power outputand stronger capability of load；
l Electronic Air/Fuel Ratiomixer, better combustion and lower emission, sufficient combustion to reducegas consumption and increase engine heat efficiency, effectively lessen NOXemission.
l Original Cummins engine body,90% parts made by Cummins China factory, long life and durable engine partsproduced strictly accord to ISO9001-2000 International Quality ManagementSystem
l Unique air-fuel ratioadjusting system adapting 30%~70% CH4 Methane concentration
l Integrated Crankshaft Forging forgas engine made by Cummins, different from other China brands which the crankshaftis forged by subsections and then assembled into a whole.
l Continuous rating up to 90% ofprime power rating.
l Exceed 10-year gen-set repairand maintenance experience
l Low pressure gas intake, 7-12kPa
l Larger displacement engine tokeep much surplus for gen-set power output.
l Sound alarm and protectionsystem
l Electrical efficiency higher10%~20% than other China brands
l ISO standard production
l Adopting high-precisionspecial gas engine speed governor: precise speed governing, instant recoveringability so as to fit different loads upon the three signals: rotating speed,load and temperature.
l Precisely-controlled engine airintake and exhaust time.
l Advanced ignition sensor andECU (Electronic Control Unit) ignition system with computer core:
Precise ignition at right cylinder and right time,prompt startup ability to avoid the ratio of detonation and make stable engine.
l Cylinder Block: High qualityalloy cast iron for the rigidity performance and good stability.
l Crankshaft and Rod: Robust andfully balanced crankshaft design for a more steadily rotation and higher strength.
l Lubrication System: Dual spin-onfilter can separate impurity above 10um effectively and lower cost.
l Less accumulated carbon, reducesthe abrasion between cylinder and valve, it can much prolong genset lifetime.
l Compact design: small size andweight
l Wide spare parts availability:Base on Cummins engine parts, the engine base body made of the parts from thesupplying factory for Cummins engine China factory.
l Equipped with the mostwell-known brand generator.
l Using advanced intelligent PLC gen-set controller:capable computer chip, with full monitoring, control, alarm and protectingfunction, all-in-one configuration for all kinds of demands.
l Electricalsystem: 24V cranking motor starting and battery charging system.
l Self-containedpower gen-set, needs few accessories.
l Parallel operation withgen-set or city power grid for option.
l Instant startup configurationfor option.
l Free of charge training for operationand maintenance. (at Camda headquarter)
3.Specification of Leroy Somer
Alternator Details | |
Brand | Leroy Somer |
Model | LSA47.2M7 |
Rated power (KW) | 400 |
Rated Frequency (HZ) | 50 |
Rated Voltage (V) | 400 |
Power factor Lagging | 0.8 |
Efficiency | 94.5% |
Connecting Type | 3 phase, 4 wire |
Voltage Regulation | ± 1 %(adjustable) |
Insulation Class | H |
Cooling Method | Wind-cooling, self-heat-rejection |
