SI: I_s=100 A, TMS=0.2, I=500 A → M=5, t≈0.856 s 标准反时限 (k=0.14, α=0.02)。M=5。t≈0.856 s。{"result":"Inverse-time overcurrent relay (Standard Inverse, IEC 60255-151). I_s=100 A, TMS=0.2, I=500 A. M = I/I_s = 5 (k=0.14, α=0.02). Operating time t = 0.8559 s. Curve sampled at 21 points (M from 1.05 to 20).","metadata":{"input":{"curveType":"SI","pickupCurrent":100,"timeMultiplier":0.2,"faultCurrent":500,"curvePoints":21},"result":{"curveType":"SI","curveName":"Standard Inverse","k":0.14,"alpha":0.02,"pickupCurrent_A":100,"timeMultiplier":0.2,"faultCurrent_A":500,"multiple_M":5,"operatingTime_s":0.8559,"curvePoints":21},"curve":[{"current_A":105,"multiple_M":1.05,"time_s":28.6803},{"current_A":121.6694,"multiple_M":1.2167,"time_s":7.1239},{"current_A":140.9851,"multiple_M":1.4099,"time_s":4.0619},{"current_A":163.3674,"multiple_M":1.6337,"time_s":2.8383},{"current_A":189.303,"multiple_M":1.893,"time_s":2.1798},{"current_A":219.356,"multiple_M":2.1936,"time_s":1.7683},{"current_A":254.1801,"multiple_M":2.5418,"time_s":1.4868},{"current_A":294.5327,"multiple_M":2.9453,"time_s":1.2821},{"current_A":341.2916,"multiple_M":3.4129,"time_s":1.1265},{"current_A":395.4737,"multiple_M":3.9547,"time_s":1.0043},{"current_A":458.2576,"multiple_M":4.5826,"time_s":0.9058},{"current_A":531.0088,"multiple_M":5.3101,"time_s":0.8246},{"current_A":615.3096,"multiple_M":6.1531,"time_s":0.7566},{"current_A":712.9938,"multiple_M":7.1299,"time_s":0.6988},{"current_A":826.1859,"multiple_M":8.2619,"time_s":0.6491},{"current_A":957.348,"multiple_M":9.5735,"time_s":0.6058},{"current_A":1109.3328,"multiple_M":11.0933,"time_s":0.5679},{"current_A":1285.4462,"multiple_M":12.8545,"time_s":0.5343},{"current_A":1489.5186,"multiple_M":14.8952,"time_s":0.5044},{"current_A":1725.9888,"multiple_M":17.2599,"time_s":0.4776},{"current_A":2000,"multiple_M":20,"time_s":0.4535}]}}
EI: I_s=100 A, TMS=0.3, I=1000 A → M=10, t≈0.242 s 超反时限 (k=80, α=2)。M=10。t≈0.242 s。{"result":"Inverse-time overcurrent relay (Extremely Inverse, IEC 60255-151). I_s=100 A, TMS=0.3, I=1000 A. M = I/I_s = 10 (k=80, α=2). Operating time t = 0.2424 s. Curve sampled at 21 points (M from 1.05 to 20).","metadata":{"input":{"curveType":"EI","pickupCurrent":100,"timeMultiplier":0.3,"faultCurrent":1000,"curvePoints":21},"result":{"curveType":"EI","curveName":"Extremely Inverse","k":80,"alpha":2,"pickupCurrent_A":100,"timeMultiplier":0.3,"faultCurrent_A":1000,"multiple_M":10,"operatingTime_s":0.2424,"curvePoints":21},"curve":[{"current_A":105,"multiple_M":1.05,"time_s":234.1463},{"current_A":121.6694,"multiple_M":1.2167,"time_s":49.9642},{"current_A":140.9851,"multiple_M":1.4099,"time_s":24.2993},{"current_A":163.3674,"multiple_M":1.6337,"time_s":14.3808},{"current_A":189.303,"multiple_M":1.893,"time_s":9.2895},{"current_A":219.356,"multiple_M":2.1936,"time_s":6.2964},{"current_A":254.1801,"multiple_M":2.5418,"time_s":4.395},{"current_A":294.5327,"multiple_M":2.9453,"time_s":3.1271},{"current_A":341.2916,"multiple_M":3.4129,"time_s":2.2539},{"current_A":395.4737,"multiple_M":3.9547,"time_s":1.6394},{"current_A":458.2576,"multiple_M":4.5826,"time_s":1.2},{"current_A":531.0088,"multiple_M":5.3101,"time_s":0.8824},{"current_A":615.3096,"multiple_M":6.1531,"time_s":0.6511},{"current_A":712.9938,"multiple_M":7.1299,"time_s":0.4816},{"current_A":826.1859,"multiple_M":8.2619,"time_s":0.3568},{"current_A":957.348,"multiple_M":9.5735,"time_s":0.2648},{"current_A":1109.3328,"multiple_M":11.0933,"time_s":0.1966},{"current_A":1285.4462,"multiple_M":12.8545,"time_s":0.1461},{"current_A":1489.5186,"multiple_M":14.8952,"time_s":0.1087},{"current_A":1725.9888,"multiple_M":17.2599,"time_s":0.0808},{"current_A":2000,"multiple_M":20,"time_s":0.0602}]}}