Position and parameters of Volvo series diesel generator set

First, the principle of power generation in Volvo generator set
The diesel engine operates the generator to convert the energy of diesel into electrical energy. In the diesel cylinder, clean air filtered through the air filter is thoroughly mixed with the high-pressure atomization diesel injected from the injector. Under the extrusion of the upstream of the piston, the volume is reduced, the temperature is rapidly increased, and the combustion of diesel is reached. Diesel is ignited, the mixed gas is vigorous, and the volume is quickly expanded, and the piston is pushed down, called 'work'. Each cylinder sequentially sequentially in a certain order, and the thrust of the piston turns through the linkage to push the crankshaft rotation, so that the crankshaft is rotated. The brushless synchronous alternator is mounted with the diesel crankshaft, which can utilize the rotor of the diesel engine with the rotor of the generator. The generator can output the induced electromotive force, and the closed load circuit can generate current. .

Second, Volvo generator set rated parameters
(1) Rated Power (PE): Refers to the ZUI of the diesel generator to output in the rated operation, and the unit is kW-oriented (kW) or MW (MW).
(2) Rated power factor (cosφ): Refers to the power factor at the motor rated operation.
(3) Rated voltage (UE): Refers to the line voltage of the diesel generator in normal operation, and the unit is a volt (V) or kV (kV).
(4) Rated current (IE): Refers to the line current at the time of the rated state of the rated state, and the unit is An (A) or Qian (KA).
(5) Rated Speed ​​(NC): The diesel generator sets the speed required to maintain the frequency of 50 Hz, in order to maintain the frequency of 50 Hz, the unit is rotation / division (R / min).
(6) Rated efficiency (ηE): refers to the efficiency of the diesel generator set in the rated state.
(7) Rated frequency (Fe): my country stipulates the rated frequency of 50 Hz.
(8) Rated temperature rise: Running diesel generator set stator windings and rotor windings allow the degree of increased than the ambient temperature. my country's premises ambient temperature calculates 40 ° C.

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