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Basic operation of Reed Cummins diesel generator set

点击量: 8 Release time: 2019-12-18 Clicks: 8

Operation of diesel generators

 

: Diesel generators shall meet the following technical requirements :

 

1.Overall functions

 

(1) Self-starting function.

 

(2) Remote monitoring function, equipment and supporting facilities status signals (current, voltage, frequency, power factor, temperature, oil pressure, charging voltage, charging current, etc.) and fault signals should be uploaded.

 

kW 见工程量表。 The main capacity kW is shown in the engineering scale.

 

V 400/230 Rated voltage V 400/230

 

0.8 Rated power factor 0.8

 

Hz 50 Rated frequency Hz 50

 

,YO Phase and connection three-phase four-wire , YO

 

r/min 1500 Rated speed r / min 1500

 

Automatic pressure regulation

 

Starting method: electric start

 

≤0.5% Steady-state voltage adjustment rate ≤0.5%

 

≤±15% Transient voltage adjustment rate ≤ ± 15%

 

≤1s Voltage stabilization time

 

≤2% Steady-state frequency adjustment rate ≤ 2%

 

≤±10% Transient frequency adjustment rate ≤ ± 10%

 

≤3s Frequency stabilization time

 

≤±0.5% Voltage fluctuation rate ≤ ± 0.5%

 

≤0.5% Frequency fluctuation rate

 

<4% Voltage harmonic distortion <4%

 

95%~105% No-load voltage setting range 95% ~ 105%

 

≥90% Generator set efficiency

 

≤102dBA(距离机组1m处) Noise ≤102dBA (1m away from the unit)

 

,机组 Vibration damping belt with built-in vibration damping device and anti-aging composite material .

 

Can be placed directly on the floor of the equipment room. <0.05cm 相对湿度≤95% Maximum amplitude <0.05cm, relative humidity ≤95%

 

-10℃~+50℃ Working environment temperature -10 ℃ ~ + 50 ℃

 

Excellent low temperature starting performance.

 

3-6秒钟内可自动启动。 It can start automatically within 3-6 seconds after the mains power is cut off .

 

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100%,并在10秒内达到额定电压。 The single-step loading capacity is 100%, and reaches the rated voltage within 10 seconds.

 

8小时。 The fuel tank can be stored for 8 hours at full load .

 

2.Diesel engine

 

The engine shall be a four-stroke turbocharged diesel engine.

 

:≥4(90kW);≥6(135kW以上); Number of cylinders : ≥4 (90kW); ≥6 (more than 135kW);

 

:直列; Cylinder arrangement : inline;

 

:≥4.5L(90kW);≥6.5L(135kW以上); Total cylinder volume : ≥4.5L (90kW); ≥6.5L (more than 135kW);

 

:≥16:1; Compression ratio : ≥16: 1;

 

:1500RPM; Rated speed : 1500RPM;

 

:0#柴油; Fuel : 0 # diesel;

 

:带不小于8h工作的油箱; Daily fuel tank : with a fuel tank that is not less than 8h;

 

:机组配有低温启动预热装置; Preheating device : The unit is equipped with a low temperature start preheating device;

 

:≤215g/kWh(100%负荷时); Fuel consumption rate : ≤215g / kWh (at 100% load);

 

:≥12L; Oil capacity : ≥12L;

 

:≤2.7g/kWh(100%负荷时); Oil consumption rate : ≤2.7g / kWh (at 100% load);

 

:电启动; Starting method : electric start;

 

:水冷闭式循环或风冷; Cooling method : water-cooled closed cycle or air cooling;

 

:≤300L/s(90kW);≤500L/s(135kW);≤800L/s(200kW); Maximum smoke exhaust : ≤300L / s (90kW); ≤500L / s (135kW); ≤800L / s (200kW);

 

:≤580℃; Exhaust temperature : ≤580 ℃;

 

Automatic speed adjustment.

 

3.Alternator

 

:无刷自励磁式; Excitation method : brushless self-excitation;

 

:H级; Insulation class : H class;

 

:IP22; Protection level : IP22;

 

:自动电压调节器; Voltage regulation : automatic voltage regulator;

 

:最大25%额定相电流 Can withstand large unbalanced current : maximum 25% of rated phase current

 

,其中任一相再加20%额定功率的电阻性负载,且任一相总的负载电流不超过额定值时,应能正常工作1h,线电压的最大(最小)值与三相线电压平均值之差不超过三相线电压平均值的10%。 When the generator is on a certain three-phase symmetrical load , any one of the phases is added with a resistance load of 20% of the rated power, and the total load current of any phase does not exceed the rated value, it should be able to work normally for 1h. The difference between the (minimum) value and the average value of the three-phase line voltage does not exceed 10% of the average value of the three-phase line voltage.

 

1.1倍额定电流,历时2min。 The generator can be overloaded with 1.1 times the rated current at the rated voltage for 2min. The generator should match the engine's overload capacity, that is, with a period of 6h, it can run at 110% of the rated load for 1h without exceeding the temperature rise limit.

 

UPS或其他负载供电时,不应发生低频振荡。 When the generator supplies power to the phase-controlled rectifier, switching power supply, UPS or other loads, low frequency oscillation should not occur.

 

Jiangsu Reed Power Equipment Co., Ltd. == Professional manufacturer of diesel generator sets, main: Cummins diesel generator sets, Ling heavy diesel generator sets, Volvo diesel generator sets, Perkins diesel generator sets, Yuchai generator sets, Wahrain Diesel generator sets, Weichai power diesel generator sets, imported generator sets and other first-line brand generators.

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