中小型三相异步电动机能效限定值及节能评价值》

GB 18613-2025 中小型三相异步电动机能效限定值及节能评价值（摘要）该标准规定了该标准规定了中小型三相异步电动机的能效限定值、节能评价值和试验方法，适用于 660V 及以下的电压，50Hz 三相沟通电源供电，额定功率在 0.55kW~315kW 范围内，极数为 2 极、4 极和 6 极，单速封闭扇冷式、N设计的一般用途电动机或一般用途防爆电动机。 能效限定值中小型三相异步电动机的能效限定值要求见表1。电动机能效限定值相当于欧盟EFF2的最低限值。 表1 电动机能效限定值额定功率k W效率 a %2 极4 极6 极0.55—71.065.00.7575.073.069.01.176.276.272.01.578.578.576.02.281.081.079.0382.682.681.0484.284.282.05.585.785.784.07.587.087.086.01188.488.487.51589.489.489.018.590.090.090.02290.590.590.03091.491.491.53792.092.092.04592.592.592.55593.093.092.87593.693.693.59093.993.993.811094.094.594.013294.594.894.2额定功率k W效率 a %2 极4 极6 极16094.694.994.520094.894.994.525095.295.294.531595.495.2—a 容差应符合 GB755—2000 第 11 章的规定。节能评价值中小型三相异步电动机的节能评价值应不低于表 2 的规定，电动机杂散损耗应不大于表 3 中的规定。表 2 电动机节能评价值额定功率k W效率 a %2 极4 极6 极0.55—80.775.40.7577.582.377.71.182.883.879.91.584.185.081.52.285.686.483.4386.787.484.9487.688.386.15.588.689.287.47.589.590.189.01190.591.090.01591.391.891.018.591.892.291.52292.292.692.03092.993.292.53793.393.693.04593.793.993.55594.094.293.87594.694.794.29095.095.094.511095.095.495.013295.495.495.016095.495.495.020095.495.495.025095.895.895.031595.895.8—a 容差应符合 GB755—2000 第 11 章的规定。表 3 杂散损耗限值电动机额定功率kW负载杂散损耗占输入功率的比值%电动机额定功率kW负载杂散损耗占输入功率的比值%0.552.5301.80.752.5371.71.12.5451.71.52.4551.62.22.3751.632.3901.542.21101.55.52.11321.47.52.11601.4112.02001.3151.92501.318.51.93151.3221.8