变压器额定电流

变压器额定电流(3 页)Good is good, but better carries it.精益求精，善益求善。 变压器额定电流表额定容量KVA额定电流（A）0.4KV10KV35KV110KV220KV1014.430.5772028.861.1553043.301.7325072.172.8860.82480115.474.6191.319100144.345.771.649125180.427.222.062160230.949.242.639200288.6711.553.299250360.8414.434.124315454.6618.185.196400577.3523.096.598500721.6828.868.248630909.3236.3710.3928001154.7046.1913.19610001443.457.7316.49612501804.272.1720.61916002309.492.3726.39320002886.7115.4732.99125003608.4144.3441.239额定容量KVA额定电流（A）0.4KV10KV35KV110KV220KV31504546.6181.8651.96140005773.5230.9465.98350007216.9288.6782.47863009093.3363.73103.923800011547.0461.88131.9651000014433.7577.35164.95752.48626.2431250018042.2721.68206.19665.60832.80416000923.76263.9383.97841.989200001154.70329.91104.97352.486250001443.37412.39131.21665.608315001818.65519.61165.33282.666400002309.40659.83209.945104.97500002886.75824.78262.432131.21630003637.311039.23330.664165.33800004618.801319.65419.891209.941000005773.51649.57524.864262.431250007216.82061.96656.08328.041600009237.62639.3839.78419.8920000011547.03299.11049.73524.8625000014433.74123.91312.16656.08变压器额定电流计算变压器额定电流 I1N/I2N,单位为A、kA。是变压器正常运行时所能承担的电流，在三相变压器中均代表线电流。对单相变压器：I1N = SN / U1NI2N = SN / U2N对三相变压器：I1N=SN/[sqrt(3)U1N]I2N=SN/[sqrt(3)U2N]U1N为正常运行时一次侧应加的电压。U2N为一次侧加额定电压、二次侧处于空载 时的电压。单位为V。相变压器中，额定电压指的是线电压。SN为变压器额定容量,单位为VA、kVA、MVA,N为变压器的视在功率。通常把变压器一、 二次侧的额定容量设计为 。I1N为正常运行时一次侧变压器额定电流。I2N为一次侧变压器额定电流。单位为A。250KVA有效使用功率等于百分之八十，250KVA等于200KW变压器二次侧电流=变压器额定容量*1.44 例如：100KVA变压器二次侧电流I=100*1.44=144（A）各种容量变压器高低压侧额定电流的数据（包括20、30、50、80、100、160、200、250、315、400KVA等）变压器容量20、30、 50、 80、 100、 160、 200、 250、 315、 400KVA 高压侧电流1.15、1.73...