除了偶尔出现异常情况外，电力系统的频率可以保持非常准确。
System frequency is held very accurately except during infrequent time when abnormal situations exist.
电力谐波干扰导致电气设备异常和事故有逐年增长的趋势，电力系统谐波已成为威胁电力系统和其它用电负荷安全运行的“电力公害”。
The growing tendency of the abnormity and accident which caused by the harmonic wave has already become the social harmfulness in the power system.
分析了历史负荷中异常数据对负荷预报影响，并对实际电力系统中异常负荷数据进行了简单的分类。
The influence of anomalous data consisted in the historic load data to load forecasting has been analyzed in this paper.
除了偶尔出现异常情况外，电力系统的频率可以保持非常准确。
System frequency is. held very accurately except during infrequent time when abnormal situations exis...
由于电力系统是一个多时间尺度的高阶非线性系统，其稳定性分析就变得异常复杂。
Power system stability analysis is extremely complex due to its multi-time scale nature, high dimensionality and non-linearity.
由于电力系统是一个多时间尺度的高阶非线性系统，其稳定性分析就变得异常复杂。
Power system stability analysis is extremely complex due to its multi-time scale nature, high dimensionality and non-linearity.
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