电动机能效限定值及能效等级
1 范围
本标准规定了三相异步电动机、单相异步电动机、空调器风扇用电动机的能效等级、能效限定值和试验方法。
本标准适用于额定电压1000V以下,50Hz三相交流电源供电,额定功率在120W~1000kW范围内,极数为2极、4极、6极和8极,单速封闭自扇冷式、N设计、连续工作制的一般用途电动机或一般用途防爆电动机。还适用于690V及以下的电压和50Hz交流电源供电的电容起动异步电动机(120W~3700W)、电容运转异步电动机(120W~2200W)、双值电容异步电动机(250W~3700W)等一般用途电动机,以及空调器风扇用电容运转电动机(10W~1100W)和空调器风扇用无刷直流电动机(10W~1100W)。
2 规范性引用文件
下列文件对于本文件的应用是必不可少的。凡是注日期的引用文件,仅注日期的版本适用于本文件。凡是不注日期的引用文件,其最新版本(包括所有的修改单)适用于本文件。
GB/T755—2019 旋转电机 定额和性能
GB/T1032 三相异步电动机试验方法
GB/T5171.1—2014 小功率电动机 第1部分:通用技术条件
GB/T5171.21 小功率电动机 第21部分:通用试验方法润肤露
3 术语和定义
下列术语和定义适用于本文件。
3.1
电动机能效限定值 犿犻狀犻犿狌犿犪犾犾狅狑犪犫犾犲狏犪犾狌犲狊狅犳犲狀犲狉犵狔犲犳犳犻犮犻犲狀犮狔犳狅狉犿狅狋狅狉狊
在标准规定的测试条件下,允许电动机效率的最低标准值。
4 能效等级
电动机能效等级分为3级。其中1级能效最高。各等级电动机在额定输出功率下的实测效率应不低于表1~表6的规定。各等级电动机在额定输出功率下的实测效率容差应符合GB/T755—201
9的表21、GB/T5171.1—2014的表2~表6及相应产品标准的规定。表中未列出额定功率值的电动机,其效率可用线性插值法确定。
表1 三相异步电动机各能效等级
额定功率/kW
效率/%
1级2级3级
2极4极6极8极2极4极6极8极2极4极6极8极
0.1271.474.369.867.466.569.864.962.360.864.857.750.70.1875.278.774.671.970.874.770.167.265.969.963.958.70.2076.279.675.773.071.975.871.468.467.271.165.460.60.2578.381.578.175.274.377.974.170.869.773.568.664.10.3781.784.3
81.678.478.181.178.074.373.877.373.569.30.4082.384.882.278.978.981.778.774.974.678.074.470.10.5584.686.784.280.681.583.980.977.077.880.877.273.00.7586.388.285.782.083.585.782.778.480.782.578.975.01.187.889.587.284.085.287.284.580.882.784.181.077.71.588.990.488.485.586.588.285.982.684.285.382.579.72.290.291.489.787.288.089.587.484.585.986.784.381.9391.192.190.688.489.190.488.685.987.187.785.683.5491.892.891.489.490.091.189.587.188.188.686.884.85.592.693.492.290.490.991.990.588.389.289.688.086.27.593.394.092.991.391.792.691.389.390.190.489.187.31194.094.693.792.292.693.392.390.491.291.490.388.61594.595.194.392.993.393.992.991.291.992.191.289.618.594.995.394.693.393.794.293.491.792.492.691.790.12295.195.594.993.694.094.593.792.192.793.092.
290.63095.595.995.394.194.594.994.292.793.393.692.991.33795.896.195.694.494.895.294.593.193.793.993.391.84596.096.395.894.795.095.494.893.494.094.293.792.25596.296.596.094.995.395.795.193.794.394.694.192.57596.596.796.395.395.696.095.494.294.795.094.693.19096.696.996.595.595.896.195.694.495.095.294.993.411096.897.096.695.796.096.395.894.795.295.495.193.713296.997.196.895.996.296.496.094.995.495.695.494.016097.097.296.996.196.396.696.295.195.695.895.694.320097.297.497.096.396.596.796.395.495.896.095.894.625097.297.497.096.396.596.796.595.495.896.095.894.6315~100097.297.497.096.396.596.796.695.495.896.095.894.6
表2 电容起动异步电动机能效等级
额定功率/
效率/%1级
sm?2级3级
2极天天向上娜娜
4极6极
2极
4极6极
范冰冰 成龙
2极
4极6极
120
58.1—
54.1——
50.0—
18067.5
60.9—
63.857.0—
60.053.0—
25071.165.761.967.761.958.0
64.058.054.037072.069.365.768.665.761.965.062.058.055074.672.967.571.469.563.868.066.060.075076.474.668.473.371.464.870.068.061.0110078.177.270.275.274.266.772.071.063.0150079.878.974.677.076.171.474.073.068.0220080.679.876.4
77.977.073.3
75.074.070.0
300081.480.6—7
8.877.9—76.075.0—3700
82.2
81.4
麦子杰的老婆
79.8
78.8
77.0
76.0
表3 电容运转异步电动机能效等级
额定功率/W
效率/%
1级
2级3级
2极
4极6极
2极4极6极
2极4极6极
12067.564.860.963.860.957.060.057.053.018072.069.963.968.664.759.065.059.055.025072.973.568.669.568.561.666.061.557.037073.877.373.570.572.767.667.066.059.755077.880.877.274.177.173.170.070.065.875080.782.578.9
77.479.675.9
72.172.172.0
110082.784.1—79.681.4—75.075.0—150084.285.3
—81.382.8
—77.277.2
—2200
85.9
83.2
79.7
表4 双值电容异步电动机能效等级
女演员白静额定功率/W
效率/%
1级2级3级
2极4极2极4极2极4极
250—73.5—68.5—62.037073.877.370.572.767.066.055077.880.874.177.170.070.075080.782.577.47
9.672.172.1110082.784.179.681.475.075.0150084.285.381.382.877.277.2220085.986.783.284.379.779.7300087.187.784.685.581.581.5370087.888.385.486.382.682.6表5 空调器风扇用电容运转电动机能效等级
额定功率/W
效率/%
1级2级3级
4极6极8极4极6极8极4极6极8极
1031.028.027.027.024.023.023.020.019.01637.034.032.033.030.028.029.026.024.02040.037.034.036.033.030.032.029.026.02544.040.037.040.036.033.036.032.029.03046.042.039.042.038.035.038.034.031.03548.044.041.044.040.037.040.036.033.04050.046.043.046.042.039.042.038.03
5.05053.049.045.049.045.041.045.041.037.06055.051.047.051.047.043.047.043.039.07556.053.048.052.049.044.048.045.040.09057.054.049.053.050.045.049.046.041.010058.055.050.054.051.046.050.047.042.012060.056.051.056.052.047.052.048.043.015062.057.053.058.053.049.054.049.045.018064.058.054.060.054.050.056.050.046.025067.061.057.063.057.053.059.053.049.037073.065.060.069.061.056.065.057.052.04
表5(续)
额定功率/W
效率/%
1级2级3级
4极6极8极4极6极8极4极6极8极
40074.066.061.070.062.057.066.058.053.045075.068.062.071.064.058.067.060.054.048076.069.063.072.065.059.068.061.055.050077.070.064.073.066.060.069.062.056.055078.071.065.074.067.061.070.063.057.075080.074.071.076.070.067.072.066.063.0110082.077.0—78.073.0—74.069.0—
表6 空调器风扇用无刷直流电动机能效等级
额定功率/W
效率/%
转速/(r/min)
≤500500~700700~10001000~1300>13001级2级3级1级2级3级1级2级3级1级2级3级1级2级3级
1061.356.952.963.661.056.670.367.362.973.769
.366.373.769.366.31662.057.753.764.962.257.971.068.063.774.270.067.074.270.067.02062.458.354.365.963.058.971.468.464.374.670.467.474.670.467.42563.059.055.067.064.060.072.069.065.075.071.068.075.071.068.03063.659.755.768.165.061.172.669.665.775.471.668.675.471.668.63564.160.456.469.366.062.373.170.166.475.972.169.175.972.169.14064.761.157.170.467.063.473.770.767.176.372.769.776.372.769.75065.962.658.672.769.065.774.971.968.677.173.970.977.173.970.96067.064.060.075.071.068.076.073.070.078.075.072.078.075.072.07568.365.361.375.071.068.076.073.070.078.875.872.878.875.872.09069.566.562.575.071.068.076.073.070.079.576.573.579.576.573.510070.367.363.375.071.068.076.073.070.080.077.074.080.077.074.012072.069.065.075.071.068.076.073.070.081.078
.075.081.078.075.015072.269.165.275.171.268.276.273.270.281.278.475.481.578.575.618072.569.265.575.271.568.576.573.570.581.578.775.782.079.076.225073.069.566.075.572.069.077.074.071.082.079.676.683.180.177.637074.070.067.076.073.070.078.075.072.083.081.078.085.082.080.040074.770.867.876.773.770.778.575.772.783.081.078.085.082.080.0
表6(续)
额定功率/W
效率/%
转速/(r/min)
≤500500~700700~10001000~1300>13001级2级3级1级2级3级
1级2级3级1级2级3级1级2级3级
45075.872.269.277.874.871.879.376.873.883.081.078.085.082.080.048076.473.170.178.475.472.479.877.474.483.081.078.085.082.080.050076.973.670.678.975.972.980.277.974.983.081.078.085.082.080.055078.075.072.080.077.074.081.079.076.083.081.079.085.082.080.075082.080.077.083.081.078.084.082.079.085.082.080.086.083.081.0110085.082.080.086.084.082.089.086.083.089.086.084.089.086.084.0  注:当驱动电路与电机无法分离时,按整体考核效率。
5 技术要求
5.1 基本要求
电动机的一般性能、安全性能、防爆性能以及噪声和振动要求应分别符合相关标准。5.2 电动机能效限定值
各等级电动机在额定输出功率下的实测效率应不低于表1~表6中3级的规定。
6 试验方法
对于三相异步电动机,按照GB/T1032中的B法———测量输入 输出功率的损耗分析法测量效率。
对于单相异步电动机,按照GB/T5171.21中的直接法测量效率。
对于空调器风扇用电容运转电动机和空调器风扇用无刷直流电动机,按照GB/T5171.21中的直接法测量效率,额定转速应选取铭牌标称最高转速。