CAJ | 학술논문

针对采用ISG弱混合技术柴油机常温下的起动工况,通过分析控制策略,建立了柴油机的动态管理仿真模型和ISG电机电磁模型,对ISG电机拖动柴油机的起动过程进行了仿真,分析了起动过程中电机功率、转矩随柴油机转速的变化关系,并与柴油机起动台架试验进行对比分析.研究表明,采用ISG技术后,当蓄电池的电压为36～60V时,均可将柴油机拖至目标转速,满足起动要求.起动时,ISG电机各绕组平均起动转矩为87.4N·m,线电流在30～150A,输出功率呈先增后减的变化趋势,功率峰值为4.98kW.从静止到着火转速的仿真起动时间只需0.4s,试验结果为0.5s;从静止到怠速稳定的仿真时间仅为2.8s,试验结果为3.1s,试验与仿真结果吻合.
침대채용ISG약혼합기술시유궤상온하적기동공황,통과분석공제책략,건립료시유궤적동태관리방진모형화ISG전궤전자모형,대ISG전궤타동시유궤적기동과정진행료방진,분석료기동과정중전궤공솔、전구수시유궤전속적변화관계,병여시유궤기동태가시험진행대비분석.연구표명,채용ISG기술후,당축전지적전압위36～60V시,균가장시유궤타지목표전속,만족기동요구.기동시,ISG전궤각요조평균기동전구위87.4N·m,선전류재30～150A,수출공솔정선증후감적변화추세,공솔봉치위4.98kW.종정지도착화전속적방진기동시간지수0.4s,시험결과위0.5s;종정지도태속은정적방진시간부위2.8s,시험결과위3.1s,시험여방진결과문합.
Aimed at the starting condition of light hybrid diesel engine with ISG technology in normal temperature, the working models of diesel engine and ISG electromotor were established. Then, the diesel engine moment of resistance on the starting condition was calculated to obtain the torque and the power from the ISG electrical machinery. And, the simulation to the starting process was carried out. Finally, the test of the ISG electromotor dragging diesel engine under the different voltage was performed to confirm the simulation result. The results showed that with the ISG technology, the diesel engine can be dragged to meet the requirement speed on the battery voltage of 36～60V. The average starting torque of ISG motor is 87.4N·m, the line current of each start winding is 30～150A. and the output power of ISG fall after the first increase with the peak power of 4.98kW. The simulated starting time from 0 to fire is 0.4s, compared with the test result of 0.5s; while time from 0 to stable idling in the simulation is only 2.8s, the test result is 3.1s. So, the test result is tallied with the simulation.