(3)三相不平衡(Umbalances)

2019/9/12019/9/12019/9/1(3)三相不平衡(Umbalances)6666.56767.56868.56969.57070.5050100150200時間(微妙)電壓(kV)VabVbcVca2019/9/169kV電容突入電流0100200300400500050100150200時間(微妙)電流(A)IaIbIc2019/9/1(4-c)11.4kV開關切換突入電流871A398A390A-6164A-8000-6000-4000-2000020000.026.052.178.1104.2130.2156.2182.3208.3時間(mS)電流峰值(A)IaIbIc2019/9/1(4-d)11.4kV開關切換突入電壓-26kV9.6kV30kV-35-25-15-55152535013263952時間(mS)電壓峰值(kV)VanVbnVcn2019/9/1(4-e)11.4kV開關切換突入電流-6636A7996A-10000-50000500010000013263952時間(mS)電流峰值(A)IaIbIc2019/9/1台灣落雷日數與頻率實測圖2019/9/1雷擊電壓突波模擬波形2019/9/1雷擊衝擊電流模擬波形2019/9/1電壓突波與電流突波測量圖例2019/9/11minPTransients8.33ms(0.5cycle)LongdurationvariationsShortdurationvariations2019/9/1謝謝各位謝謝各位