功率分析仪的谐波模式有什么用?

2025-03-28 20:13:00
推荐回答(3个)
回答1:

谐波这是一个非常重要的指标,由于正弦电压加压于非线性负载,基波电流发生畸变产生谐波。尤其在电机或者是光伏并网的时候用到硬性要求更高。不止要选用高带宽的,高采样率的功率分仪器才能够满足,还要配合高带宽高精的电流传感器,比如日置功率分析仪PW6001基波频率可达300KHz,带宽到2MHz,电流钳的CT6904精度高达0.027%,并且具有相位补偿功能,在高频相位偏差大的测试环境日置测试方案使测试值更加准确。

功率分析仪可以通过在FFT功能中设置FFT分辨率,最小分辨率为0.1Hz(日置0.2Hz),并且能以设置的分辨率为最小步进来显示每一个频点的数值,并查看每次间谐波的数据。


回答2:

谐波这是一个非常重要的指标,由于正弦电压加压于非线性负载,基波电流发生畸变产生谐波。尤其在电机或者是光伏并网的时候用到硬性要求更高。要选用高带宽的,搞采样率的功率分仪器才能够满足。

回答3:

功率分析仪的谐波分析是非常重要的功能之一。谐波分析是指测量谐波分量和总谐波失真值。

LMG 谐波闪变测试系统是德国ZES ZIMMER 推出功率分析仪结合阻抗网络、电源,分析软件的EMC 测试系统,支持IEC/EN 61000-3-2/-12 谐波和IEC/EN 61000-3-3/-11 闪变标准。配套软件更进一步支持IEC 62301:2011 和EN 50564 的待机功率测量,以及ECER-10.4 附件11(车辆电磁兼容性)的测量。LMG670 系列功率分析仪根据IEC/EN 61000-4-7和61000-4-15 标准进行谐波分析和闪变测量。作为一家全球性高精度功率分析仪制造商,我们不仅在世界标准委员表现优异,还保持率先支持全球最新测试标准的企业准则。

功率分析仪 LMG671

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