某电厂次同步谐振风险的工程解决方案  

Engineering Solution to Subsynchronous Resonance Risk in a Power Plant

作　　者：陈利[1] 杨灵[1] 曹寒 陈娇红[1] CHEN Li;YANG Ling;CAO Han;CHEN Jiaohong(Dongfang Turbine Co.,Ltd.,Deyang Sichuan,618000)

机构地区：[1]东方电气集团东方汽轮机有限公司,四川德阳618000

出　　处：《东方汽轮机》2023年第3期16-18,共3页Dongfang Turbine

摘　　要：次同步谐振是在电网系统中一直存在的电力振荡现象,对于远距离输电,尤其是对于引入了各种新能源的电网系统而言,次同步谐振对汽轮发电机组轴系是一个很大的风险,针对机组次同步谐振风险,业内提出了一系列的预防和抑制措施,在工程实践中根据工程实际情况选择最优方案,可以用最低成本有效的解决次同步谐振风险。Subsynchronous resonance is a electric power oscillation phenomenon that has been present in power grid systems.For long-distance transmission,especially for power grid systems with the introduction various new energy sources,subsynchronous resonance is a great risk to the turbine-generator shaft system.For the subsynchronous resonance risk of the unit,a series of prevention and suppressive measures have been proposed in the industry.In engineering practice,the optimal solution is selected based on the actual engineering situation,the subsynchronous resonance risk can be effectively solved with the lowest cost.

关 键 词：次同步谐振 汽轮机发电机组轴系 工程实践 风险 

分 类 号：TK262[动力工程及工程热物理—动力机械及工程]