减少发电机励磁电流，使发电机电势减小，功率因数角就变为超前的，发电机负荷电流产生助磁电枢反应，发电机向系统输送有功功率，但吸收无功功率，这种运行状态称为进相运行
进相运行（Leading phase opeartion） 减少发电机励磁电流，使发电机电势减小，功率因数角就变为超前的，发电机负荷电流产生助磁电枢反应，发电机向系统输送有功功率，...
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名词定义中文名称：进相运行英文名称：leading power factor operation定义：按照电力系统降低系统电压的要求，发电机的励磁电流继续减少，出现发出的无功功率为负值(即从电网吸收无功功率)，发电机功率因数超前(即定子电流超前电压)的运行
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并网控制和进相运行 Grid Connected Control and Leading Phase Operation Control
Due to the Powerformer is a new kind of high voltage generator, the leading phase operation study of which is very significant. In this paper the design principle, feature and prospective development of Powerformer were introduced firstly.
能量变换器作为新型的高压发电机,对其进相运行的研究具有很重要的理论意义。
参考来源 - 能量变换器进相运行的基础研究It is a safe, simple, economic and effective method to solve this problem for generators at operation under leading power factor.
发电机的进相运行是解决上述问题的一种安全、简便、经济、有效的措施。
参考来源 - 大型汽轮发电机进相运行时端部磁场及涡流损耗计算Based on the analysis of the principle and the limiting factors of the generator underexcitation ,the respective technical measures for underexcitation operation are put forward.
本文通过对发电机进相运行机理及对影响发电机进相运行的限制条件的分析,提出发电机进相运行的相应技术措施。
参考来源 - 发电机进相运行对浙江电网稳定性的影响·2,447,543篇论文数据，部分数据来源于NoteExpress
对厂用电电压的限制问题及进相运行的安全措施也作了讨论。
The restrictive effect of auxiliary power voltage and the safety measures of under-excitation operation are also included.
最后提出了运行人员在发电机进相运行中应注意的安全事项。
Finally puts forward safety attentions should be noticed by operators during generator leading phase operation.
试验分析表明，大机组发电机进相运行可有效改善电网无功潮流分布，提高电网供电质量。
The analysis indicates that large turbine-generator leading phase operation can improve the reactive power load distribution and the quality of power supply effectively.
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