仿真结果表明:双比率算法较单比率算法,具有外部故障高稳定性,而在内部高阻故障时,也有很高的灵敏度。
Simulation results indicate that dual slope algorithm is of high stability during external faults and is very sensitive to high impedance internal faults.
经仿真实验表明:该方案能准确地判别出变压器内部故障和励磁涌流,不受系统谐波影响,具有很高的可靠性。
The simulation tests show that the new method can correctly judge the transformer's inrush current and internal fault without the harmonic effect, and it has a good reliability.
理论分析及仿真结果表明,新算法具有更好的内部故障灵敏度和外部故障抗CT饱和能力。
Theoretical analysis and simulation results indicate that the novel criterion has higher sensitivity during internal faults and better anti CT saturation performance during external faults.
数字仿真结果表明,本方法可准确识别故障电流和励磁涌流,即使在空载合闸于内部故障时,保护继电器也能迅速可靠动作,避免了采用二次谐波制动导致的误动问题。
The results of the digital simulation show that the method can identify fault current and energizing inrush current precisely and makes it rapid and reliable for the protective relay to …
数字仿真结果表明,本方法可准确识别故障电流和励磁涌流,即使在空载合闸于内部故障时,保护继电器也能迅速可靠动作,避免了采用二次谐波制动导致的误动问题。
The results of the digital simulation show that the method can identify fault current and energizing inrush current precisely and makes it rapid and reliable for the protective relay to …
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