摘要
智能型静止进相器是专为大中型绕线式电动机节能降耗设计的无功功率就地补偿装置。它串接于交流绕线式异步电动机的转子回路,用以提高电动机的功率因数。详细介绍了智能型静止进相器的工作原理、系统设计、硬件及软件设计,并给出了系统调试结果。经在水泥厂磨机、风机等大功率电动机上使用后,证明节能效果明显,功率因数由0.75提高到0.96以上,定子电流下降约20%。
intelligent static phase generator is the local reactive power compensation equipment designed for large and medium-sized wound-type electromotors. It is in series with the rotor of the wound-type eleetromotor to enhance the power factor of the electromotor. By controlling the transducer, the alternating current of 50 Hz is changed into an additional electromotive force exerting on the rotor windings of the asynchronous electromotor,whose frequency is same as the rotor current and whose phase is 90° exceeding the original electromotive force of the rotor. Currents and phases of the stator and the rotor are thus changed and the power factor is enhanced distinctly. Its working principle, system design,hardware and software are introduced in detail. Experiment results show that the intelligent static phase generator enhances the power factor of the electromotor above 0.96 generally.
出处
《电力自动化设备》
EI
CSCD
北大核心
2006年第6期67-69,74,共4页
Electric Power Automation Equipment
关键词
静止进相器
无功功率补偿
绕线式电机
功率因数
节能
intelligent static phase generator
reactive power compensation
wound-type eleetromotor
power factor
energy saving
