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引用次数: 0
摘要
在本文中，选择了海水淡化厂(SWDP)中容量(4 x 1 MW)的大型感应电机泵组(IMPS)通过集成微电网(IMG)运行。太阳能、应急柴油发电机组和公用电网相互连接在一起，形成一个IMG，为SWDP提供持续的电力。主要目的是研究在电网和孤岛模式下IMG在正常运行和故障情况下的暂态稳定性。在ETAP软件(version- 16.0.0)中采用加速Gauss-seidel方法对所提出的IMG进行了负荷流和暂态分析的仿真案例研究。通过分析发现，频率变化率和瞬态过载故障是IMG中IMPS运行的主要问题。因此，采用基于变频驱动的软起动器对此类IMPS进行起动。
Transient Stability Analysis of Large Capacity Induction Motor- Pump Sets Operated Though an Integrated Microgrid
In this paper, large Induction Motor Pump Set (IMPS) of capacity (4 x 1 MW) in a Sea Water Desalination Plant (SWDP) has been chosen for operating through an Integrated microgrid (IMG). The solar, emergency diesel generator set and utility grid are interconnected together to form an IMG for providing continuous power to the SWDP. The main objective is to investigate the transient stability of IMG during normal operation and fault situations under ongrid and islanded mode. One simulation case study has been carried out on the proposed IMG by performing load flow and transient analysis by adopting accelerated Gauss-seidel method in ETAP software (version- 16.0.0). Based on the analysis, it is found that rate of change of frequency as well as transient overload faults are the major huddle for operation of IMPS in IMG. So the frequency drive based soft starter for starting of such IMPS.
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