大容量新型调相机关键技术参数及其优化设计
Large Electric Machine and Hydraulic Turbine（2017）
Abstract
大容量新型调相机旨在满足特高压直流输电大觃模发展带来的强大的系统动态无功需求,因此其电气参数必然不同于以稳态无功补偿为主的传统调相机.本文通过系统分析各电气参数对调相机暂态及次暂态特性的影响,提炼出调相机动态性能优化的关键技术参数和措施,即尽可能降低直轴次暂态电抗dX'和主变短路电抗kX,减小直轴开路及短路时间常数0dT'和dT',幵将励磁系统强励倍数提高至3.5倍.同时对调相机的具体优化设计方案给出了建议.
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