摘要
用限元法分析和计算了12kW和50kW谐波励磁凸极同步发电机空载和负载时气隙磁场分布曲线,分析了三次谐波电流分布规律和三次谐波绕组电枢反应,计算了转子转动情况下的气隙磁密时间分布.计算结果与实测相近.
In order to optimumly select the third harmonic winding of harmonic exciting generator, the paper anlayses and calculates the air-gap magnetic field distribution of 12 kW and 50 kW harmonic exciting salient-pole synchronous gererator under no-load and full-load conditions by the finite-element method. The paer analyses the distribution regularity of the third harmonic current and the armature reaction of the third harmonic winding, and calculates the air-gap flux density wave with rotation of the rotor. All calculation results are shown to compare closely with experimental ones.
出处
《福州大学学报(自然科学版)》
CAS
CSCD
1998年第1期60-64,共5页
Journal of Fuzhou University(Natural Science Edition)
关键词
谐波励磁
有限元
气隙
磁场
同步发电机
harmonic exciting
finite-element
air-gap
magnetic field