Based on the differences of harmonic testing point, there are two control ways for shunt active filters, that is, the way of load current sensing and the way of power supply current sensing.
并联型有源滤波器根据其谐波检测点的不同，有两种控制方法。即负载电流检测控制方法和电源电流检测控制方法。
This is the primary reason I choose sweeps for harmonic distortion testing.
这是主要的原因，我选择谐波失真测试扫荡。
The research in this thesis is focused on the low harmonic variable-frequency power for the system meeting the needs of wind tunnel propeller model testing requirements.
旨在研究满足螺旋桨飞机模型风洞试验要求的为高功率密度电驱动系统供电的低谐波变频电源。
By testing the harmonic content of colour TV set, the paper analyses the reasons for the too high harmonic content, verifies the measures for reducing the harmonic content.
通过对彩色电视机谐波含量的测试，分析了谐波产生的原因。推导出了谐波含量与功率因数的关系，并提出了降低谐波含量的措施。
MDP-1 type controller for harmonic test and current sudden drop test as well as some problems in the practical testing were introduced.
介绍了MDP 1型谐波及骤降试验控制器及其在实际运行中遇到的一些问题。
Based on the site investigation and testing, summary and evaluation of the harmonic characteristics of typical nonlinear loads, and the effective solutions of harmonic elimination are presented.
结合现场调研测试，总结评估了典型非线性负载的谐波特性，并给出谐波治理的有效方案。
Stereo channel separation of 50 dB and low harmonic distortion for testing FM stereo receivers.
立体声通道分离五零分贝和低谐波失真测试的调频立体声接收机。
The harmonic responses and forced vibration are analyzed and the results are verified by the system's torsional vibration testing.
系统谐响应分析和强迫振动分析结果通过传动系统扭振实验得到了验证。
The harmonic responses and forced vibration are analyzed and the results are verified by the system's torsional vibration testing.
系统谐响应分析和强迫振动分析结果通过传动系统扭振实验得到了验证。
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