针对ABB公司生产的E3/H E MS2500系励磁交流断路器由于家族性缺陷,静触头烧熔导致抽水蓄能电站多台机组相继跳机的事件,详细介绍了此断路器的维护检查项目以及无线温度监视装置加装的应用过程,保证了断路器本体的安全可靠运行,可为行业...针对ABB公司生产的E3/H E MS2500系励磁交流断路器由于家族性缺陷,静触头烧熔导致抽水蓄能电站多台机组相继跳机的事件,详细介绍了此断路器的维护检查项目以及无线温度监视装置加装的应用过程,保证了断路器本体的安全可靠运行,可为行业内其它单位的类似设备问题提供参考。展开更多
To minimize the reactive power of the converter of the control winding in the novel dual stator-winding induction generator based on the PWM converter, design features of the induction generator with a rectified load ...To minimize the reactive power of the converter of the control winding in the novel dual stator-winding induction generator based on the PWM converter, design features of the induction generator with a rectified load are proposed. The optimization method of excited capacitors to minimize the reactive power of the control winding at a variable speed is given. The calculation capacity of the machine with a diode bridge rectifier load is proposed. To achieve global searching, the integrated method with the improved real-coded genetic algorithm and the twodimensional finite element method (FEM) is introduced. Design results of the sample show that reactive power can be reduced by the method, and the converter capacity can be decreased to 1/3 of output rated power at the speed ratio of 1 : 3, thus reducing the volume and the mass of the inverter.展开更多
文摘To minimize the reactive power of the converter of the control winding in the novel dual stator-winding induction generator based on the PWM converter, design features of the induction generator with a rectified load are proposed. The optimization method of excited capacitors to minimize the reactive power of the control winding at a variable speed is given. The calculation capacity of the machine with a diode bridge rectifier load is proposed. To achieve global searching, the integrated method with the improved real-coded genetic algorithm and the twodimensional finite element method (FEM) is introduced. Design results of the sample show that reactive power can be reduced by the method, and the converter capacity can be decreased to 1/3 of output rated power at the speed ratio of 1 : 3, thus reducing the volume and the mass of the inverter.