| 1. | Critical clearing time
极限切除时间 |
| 2. | Fault clearing time
故障切除时间 |
| 3. | Finally , a method that can accomplish the generation rescheduling preventive control is presented
( 4 )提出了一种利用临界切除时间来实施发电机出力预防控制的方法。 |
| 4. | Critical clearing time ( cct ) is one of the most important stable indices in power system transient stability analysis
临界切除时间是电力系统稳定问题分析中最重要的稳定指标之一。 |
| 5. | So , it ' s necessary to develop more effective cct - calculating method , which will play an important role in improving power system stability , and provide possibility in realization of online control
因此，寻找更为有效的临界切除时间计算方法和发电机出力预防控制方法是必须的，对提高电力系统稳定性有极大的作用，也为日后在线控制的实现提供了可能性。 |
| 6. | Thorough study has been done to solve the problems . a fast cct calculative method was suggested which could satisfy the precision need , the method was applied in the preventive control of the generator outputs
本文正是着眼于上述问题，进行了大量的研究工作，提出了一种快速的能满足精度要求的临界切除时间的计算方法，并将该方法应用于发电机出力的预防控制之中。 |
| 7. | The demands that transient energy function methods must meet for the non - autonomous motion system are also proposed , which include that the critical energy should be determined by the critical trajectory and the post - fault stable equilibrium point should be determined by the critical clearing time
提出了暂态能量函数法用于非自治系统所必须满足的条件，包括用临界轨迹确定临界能量，以及用临界轨迹得到的切除时间确定故障清除后的稳定平衡点等。 |
| 8. | Secondly , after analyzing the advantages & faults of time - domain simulation and the direct methods , this paper points out the key of developing the transient stable methods is the integration of both . the cct - calculating method is presented which is based on the trajectory sensitivity and the hybrid method . and the time - domain simulation program has been programmed
( 2 )在分析了电力系统暂态稳定分析方法的时域法仿真法和直接法的优缺点之后，指出暂稳分析方法的发展在于二者的结合，提出了基于轨迹灵敏度的时域法和直接法相结合的暂稳分析方法，并将该法应用于临界切除时间的计算。 |
| 9. | The influence of induction - motor ration on the problem of transient stability is discussed . the case of henan provincial power system using actual load parameters is studied . comparative results show that the influence of dynamic load characteristics on the stability of power system is important and profound
仿真计算了在暂态稳定问题中，负荷感应电动机比例对极限切除时间的影响，采用实测的三阶感应电动机负荷模型来进行河南全网的稳定计算，并与以往使用的近似的负荷模型计算结果进行比较。 |
| 10. | The geometric explanation of the image principle presented in “ a new method to determine the transient stability boundary using nonlinear theory 1 is given . a theorem to determine the critical clearance time is derived . from the calculation results of two examples , the correctness of the theories put forward by this paper and paper 1 is verified
对论文《运用非线性系统理论确定电力系统暂态稳定域的一种新方法》 1中所提出的映射机理作了几何解释；提出了确定电力系统临界切除时间的定理；通过对一简单电力系统和电科院6机22节点算例的计算，验证了本文及文1所提出的理论的正确性。 |
