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康明斯4BTA3.9-G2发动机
康明斯4BTA3.9-G2发动机：
康明斯4BTA3.9-G2发动机：
50KW东风康明斯（DCEC CUMMINS）系列柴油发电机组技术规格参数
发电机组技术参数：
机组型号：RZ-50GF 稳态电压调整率（%）：≤±1
输出功率：50Kw 电压波动率（%）：≤±0.5
功率因数：COSΦ=0.8（滞后） 瞬态电压调整率（%）：＋20～－15
输出电压：400V/230V 电压稳定时间（s）：≤1
输出电流：90A 稳态频率调整率（%）：≤±1
额定频率：50Hz 频率波动率（%）：≤±0.5
额定转速：1500rpm 瞬态频率调整率（%）：＋10～－7
燃油牌号：（标准）0#轻柴油（常温） 频率稳定时间（S）：≤3
外形尺寸：1760×710×1400（L×W×H mm） 燃油消耗（100%负载）：209g/kW·h
机组重量：850kg 噪声（LP7m）：95dB（A）
柴油机技术参数：
品牌/产地：东风康明斯（DCEC CUMMINS） 冷却方式：封闭式水循环冷却
油机型号：4BTA3.9-G2 供油方式：直喷
气缸数/敢提结构：4/L型 调速方式：电子调速
缸径行程：102×120 mm 进气方式：涡轮增压
压缩比：16.5：1 过载能力：110%
启动方式：DC24V电启动 转 速：1500rpm
发电机技术参数：
品牌/产地：RUIZ瑞智（标配）/江苏 防护等级：IP22
电机型号：RZW50KW 接线方式：三相四线、Y型接法
额定功率：50kW 调节方式：AVR（自动电压调节器）
额定电压：400V/230V 输出频率：50Hz
绝缘等级：H级 输出因数：COSΦ=0.8（滞后
发电机组标准配置如下：
Ø直喷式内燃发动机（柴油）；
Ø交流同步发电机（单轴承）；
Ø适合环境40℃－50℃散热器水箱、皮带驱动冷却风扇、风扇安全护罩；
Ø发电输出空气开关、标配控制屏；
Ø机组钢制共用底座（含：机组减振橡胶垫）；
Ø干式空气过滤器，燃油过滤器，润滑油过滤器、启动马达、并配有自充电发电机；
Ø启动蓄电池及蓄电池启动连接电缆；
Ø工业用9dB消因器及连接用标准件
Ø随机资料：柴油机及发电机原厂技术文件、发电机组说明书、测试报告等。
自选配件（费用另计）：
Ø机油、柴油、水套、防冷凝加热器 Ø分体式日用燃油箱、一体式底座燃油箱
Ø电瓶浮充电器 Ø防雨型机组（箱柜）
Ø自保护、自启动机组控制屏 Ø静音型机组（箱柜）
Ø带“三遥”功能机组控制屏 Ø移动拖车型电站（箱柜拖车）
ØATS自动负载转换屏 Ø静音型移动电站（箱柜拖车）
PRELIMINARY 4BTA3.9-G2Cummins Engine Company, Inc.
Engine Data Sheet
DATA SHEET : DS-90235
ENGINE MODEL : 4BTA3.9-G2 CONFIGURATION NUMBER : D383030DX02 DATE : 19Aug04
PERFORMANCE CURVE : FR-90235
INSTALLATION DIAGRAM CPL NUMBER
• Fan to Flywheel : 3170273 • Engine Critical Parts List : 2248
• Heat Exchanger Cooled : N/A
GENERAL ENGINE DATA
Type ............................................................................................................................................................... 4-Cycle; In-line; 4-Cylinder Diesel
Aspiration....................................................................................................................................................... Turbocharged / Jacket Water Aftercooled
Bore x Stroke..............................................................................................................— in x in (mm x mm) 4.02 x 4.72 (102 x 120)
Displacement ..............................................................................................................................— in3
(liter) 239.3 (3.92)
Compression Ratio........................................................................................................................................ 16.5 : 1
Dry Weight
Fan to Flywheel Engine.......................................................................................................... — lb (kg) 770 (350)
Heat Exchanger Cooled Engine............................................................................................ — lb (kg) N/A
Wet Weight
Fan to Flywheel Engine.......................................................................................................... — lb (kg) 810 (370)
Heat Exchanger Cooled Engine............................................................................................ — lb (kg) N/A
Moment of Inertia of Rotating Components
• with FW 9134 Flywheel ............................................................................................— lbm • ft
2 (kg • m2) 31.6 (1.33)
• with FW 9017 Flywheel ........................................................................................... — lbm • ft
2 (kg • m2) 23.5 (0.99)
Center of Gravity from Rear Face of Flywheel Housing.......................................................... — in (mm) 14.7 (373)
Center of Gravity above Crankshaft Centerline........................................................................ — in (mm) 6.4 (163)
Maximum Static Loading at Rear Main Bearing.......................................................................... — lb (kg) N.A. N.A.
ENGINE MOUNTING
Maximum Bending Moment at Rear Face of Block ......................................................... — lb • ft (N • m) 1000 (1356)
EXHAUST SYSTEM
Maximum Back Pressure............................................................................................... — in Hg (mm Hg) 3 (76)
AIR INDUCTION SYSTEM
Maximum Intake Air Restriction
• with Dirty Filter Element ......................................................................................... — in H2O (mm H2O) 25 (635)
• with Normal Duty Air Cleaner and Clean Filter Element...................................... — in H2O (mm H2O) 10 (254)
• with Heavy Duty Air Cleaner and Clean Filter Element ....................................... — in H2O (mm H2O) 15 (381)
COOLING SYSTEM
Coolant Capacity — Engine Only.................................................................................... — US gal (liter) 2.1 (7.9)
— with HX —— Heat Exchanger....................................................... — US gal (liter) N/A
Maximum Coolant Friction Head External to Engine — 1800 rpm................................. — psi (kPa) 5 (35)
— 1500 rpm................................. — psi (kPa) 4 (28)
Maximum Static Head of Coolant Above Engine Crank Centerline............................................. — ft (m) 46 (14)
Standard Thermostat (Modulating) Range................................................................................. — °F (°C) 180 - 203 (82 - 95)
Minimum Pressure Cap........................................................................................................... — psi (kPa) 10 (69)
Maximum Top Tank Temperature for Standby / Prime Power ................................................. — °F (°C) 220 / 212 (104 / 100)
Minimum Raw Water Flow @ 90°F to HX —— Heat Exchanger........................ — US gpm (liter / min) N/A
Maximum Raw Water Inlet Pressure at HX —— Heat Exchanger....................................... — psi (kPa) N/A
LUBRICATION SYSTEM
Oil Pressure @ Idle Speed.................................................................................................... — psi (kPa) 30 (207)
@ Governed Speed ......................................................................................... — psi (kPa) 50 (345)
Maximum Oil Temperature.......................................................................................................... — °F (°C) 250 (121)
Oil Capacity with OP 9017 Oil Pan : High - Low ............................................................... — US gal (liter) 2.5 - 2.25 (9.5 - 8.5)
Total System Capacity (with Full Flow Filter)..................................................................... — US gal (liter) 2.88 (10.9)
Angularity of OP 9017 Oil Pan — Front Down .................................................................................... 40°
— Front Up ......................................................................................... 40°
— Side to Side.................................................................................... 40°
PRELIMINARYFUEL SYSTEM
Type Injection System...................................................................................................................................................................... Stanadyne DB4 Direct Injection
Maximum Inlet Restriction at Lift Pump............................................................................................................. — in Hg (mm Hg) 4 (102)
Maximum Allowable Head on Injector Return Line (Consisting of Friction Head and Static Head).............. — in Hg (mm Hg 10 (254)
Total Drain Flow (Constant for All Loads) ..................................................................................................... — US gph (liter / hr) 8 (30)
ELECTRICAL SYSTEM
Cranking Motor (Heavy Duty, Positive Engagement) ....................................................................................................... — volt 12 24
Battery Charging System, Negative Ground ............................................................................................................... — ampere 63 40
Maximum Allowable Resistance of Cranking Circuit......................................................................................................... — ohm 0.00075 0.002
Minimum Recommended Battery Capacity
• Cold Soak @ 10 °F (-12 °C) and Above............................................................................................................ — 0°F CCA 625 312
COLD START CAPABILITY
Minimum Ambient Temperature for Aided (with Coolant Heater) Cold Start within 10 seconds ............................... — °F (°C) 50 (10)
Minimum Ambient Temperature for Unaided Cold Start............................................................................................... — °F (°C) 10 (-12)
PERFORMANCE DATA
All data is based on: • Engine operating with fuel system, water pump, lubricating oil pump, air cleaner and exhaust
silencer; not included are battery charging alternator, fan, and optional driven components.
• Engine operating with fuel corresponding to grade No. 2-D per ASTM D975.
• Air Intake Restriction : 254 mm H2O (10 in H2O)
• Exhaust Restriction : 51 mm Hg (2 in Hg)
• ISO 3046, Part 1, Standard Reference Conditions of:
Barometric Pressure : 100 kPa (29.53 in Hg) Air Temperature : 25 °C (77 °F)
Altitude : 110 m (361 ft) Relative Humidity : 30%
Steady State Stability Band at any Constant Load .............................................................................................................. — % +/- 0.50
Estimated Free Field Sound Pressure Level of a Typical Generator Set;
Excludes Exhaust Noise; at Rated Load and 7.5 m (24.6 ft); 1800 rpm / 1500 rpm.............................................. — dBA N.A.
Exhaust Noise at 1 m Horizontally from Centerline of Exhaust Pipe Outlet Upwards at 45° ......................................... — dBA N.A.
STANDBY PRIME POWER
60 hz 50 hz 60 hz 50 hz
Governed Engine Speed..............................................................— rpm 1800 1800
Engine Idle Speed ....................................................................... — rpm 950 - 1150 950 - 1150
Gross Engine Power Output ...........................................— BHP (kWm) 114 (84) 104 (77)
Brake Mean Effective Pressure — psi (kPa) 207 (1426) 190 (1310)
Piston Speed.................................................................— ft / min (m / s) 1416 (7.2) 1416 (7.2)
Friction Horsepower ......................................................... — HP (kWm) 16 (11.9) 16 (11.9)
Engine Water Flow at Stated Friction Head External to Engine:
• 1 psi Friction Head ..........................................— US gpm (liter / s) 45 (2.8) 45 (2.8)
• Maximum Friction Head..................................— US gpm (liter / s) 35 (2.2) 35 (2.2)
Engine Data with Dry Type Exhaust Manifold
Intake Air Flow................................................................— cfm (liter / s) 213 (100) 205 (97)
Exhaust Gas Temperature......................................................— °F (°C) 886 (475) 862 (461)
Exhaust Gas Flow ..........................................................— cfm (liter / s) 508 (240) 479 (225)
Air to Fuel Ratio .....................................................................— air : fuel 23 : 1 24 : 1
Radiated Heat to Ambient .....................................— BTU / min (kWm) 845 (14.9) 810 (14.2)
Heat Rejection to Coolant ......................................— BTU / min (kWm) 2350 (41.3) 2135 (37.5)
Heat Rejection to Exhaust .....................................— BTU / min (kWm) 3270 (57.5) 2980 (52.4)
ENGINE MODEL : 4BTA3.9-G2
DATA SHEET : DS-90235
DATE : 19Aug04
付款方式及交货期：
网银转帐、电汇、现金等付款方式，15个工作日内发货。
