【摘要】 云南电网异步联网后,直流闭锁故障对电网频率稳定的影响将成为影响电网运行安全的主要因素。文章结合云南电网异步联网运行特性,通过电网典型运行方式分析了不同直流故障对电网频率稳定的影响,校核了电网安全防线的适应性,展现了云南异步联网后的频率稳定问题。更多还原

【Abstract】 Yunnan power grid from the southern power grid asynchronous operation,The most serious frequency stability problem is caused by HVDC transmission failure. Combining with the yunnan power grid running features, Analysis of the influence of different HVDC fault stability of the power system frequency, Check the power grid security defence adaptability, Show the frequency stability problem of yunnan power grid.更多还原