研究表明相电流差突变量、稳态电流序分量等选相元件在发生某些跨线及转换性故障时会误选相。
The fault phase selectors, including the phase current difference suddenly-change and the sequence current, may misoperate in some cross country faults and conversion faults.
分析了非正弦周期电压作用下的RC串联电路(线性、非时变电路),得到了暂态响应分量和稳态响应分量。
The RC series circuit (linear time - invariant circuit)excited by the non - sine periodic voltage is analysed, both the transient response and the steady - state response of this circuit are obtained.
分析了系统的全局稳定条件和补偿后电流中直流分量的产生机理,研究了系统带不平衡负载和动、稳态补偿性能以及稳定性。
The analysis of the whole region stability condition and the mechanism of the DC off-set in the compensated current of the system is proposed.
当交流系统发生三相不对称故障时,忽略直流系统负序分量的准稳态模型将给交直流混合系统的仿真带来较大的误差。
The QSS (Quasi Steady State) model of converter which neglects the negative impedance of DC system will bring some errors when unbalanced fault occurs in AC system.
当交流系统发生三相不对称故障时,忽略直流系统负序分量的准稳态模型将给交直流混合系统的仿真带来较大的误差。
The QSS (Quasi Steady State) model of converter which neglects the negative impedance of DC system will bring some errors when unbalanced fault occurs in AC system.
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