This paper presents an intelligence test set built by microcomputer technics to monitor and measure the harmonic and surge voltages in the power network and source, on-line and with a real time.
本文提出利用微机技术构造一种在线实时监视和测量电网、电源客观存在的谐波电压和浪涌电压的智能测试仪。
Analysis been made on a 3 months-lasting field test of 6 non-linear utilities in Hubei electric Power Company, using Chint harmonic multi-function electricity meter.
本文采用具有谐波计量功能的多功能三相电能表对湖北省电力公司下属6个非线性用户进行约3个月的挂网试验并进行了数据分析。
Test results proved that the motor had lower current harmonic, more efficient use of DC supply voltage than SPWM, less switch loss of power switch.
实验结果证明,系统电动机电流的谐波失真较小,直流母线电压利用率比常规的正弦波脉宽调制(SPWM)有了较大的提高,功率器件的开关损耗较小。
A combined power filter test system is designed, which is used to clean up harmonics of harmonic load.
设计的一套实验系统用来消除谐波负载产生的谐波影响。
The test results show that this method is feasible for real time detection of harmonic and reactive current of the active power compensator. The circuits are very simple.
实验结果表明,这种检测方法是可行的,而且电路非常简单,可用于实时检测有源电力补偿器的谐波与无功电流。
Frequency capacitive dividers are used to measure the output power frequency test equipment peak, RMS, Harmonic, also doubles as a coupling capacitor.
工频试验变压器主要用于测量工频试验设备的输出峰值、有效值、谐波,亦可兼作耦合电容器。
Frequency capacitive dividers are used to measure the output power frequency test equipment peak, RMS, Harmonic, also doubles as a coupling capacitor.
工频试验变压器主要用于测量工频试验设备的输出峰值、有效值、谐波,亦可兼作耦合电容器。
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