| 1. | An improved harmonic and reactive current detecting method
一种改进型谐波和无功电流检测方法 |
| 2. | Unified model based harmonics and reactive current detection
基于统一模型的谐波及无功电流检测 |
| 3. | Intelligent power transformers for the reactive currents automatic compensation
智能型无功自动补偿式电力变压器 |
| 4. | Among them , the action of the reactive current testing circuit is testing the reactive current component in the compensated object current
其中，无功电流检测电路的作用是检测出补偿对象电流中的无功电流分量。 |
| 5. | For this reason , we redefined the instantaneous reactive power so as to make it easier for detecting harmonic current and fundamental reactive current
为此，重新定义了系统瞬时无功功率，使其更易于谐波和无功电流的实时检测。 |
| 6. | A closed - loop detecting approach of harmonic and reactive current based on instantaneous reactive power theory is proposed , its base design rules are given
摘要分析了基于瞬时无功功率理论的谐波及无功电流检测原理，在此基础上提出一种自适应闭环控制的检测系统，给出优化设计的基本原则。 |
| 7. | The results indicate that asvg not only can compensate reactive currents , but also can effectively filter the harmonic currents , negative sequence currents and zero sequence currents
仿真结果证明基于空间矢量调制的asvg既能够补偿不平衡系统的无功功率，同时又能够有效地滤除系统中的谐波、负序和零序等有害电流。 |
| 8. | By realtime detecting harmonics and reactive current in the power line , then generate the compensate current which is equal to the harmful current in amplitude and opposite in direction , realtime compensation is achieved
它通过实时检测电网谐波和无功电流，然后产生与之大小相等、相位相反的补偿电流，进行实时补偿。 |
| 9. | The detecting method of dvr is different from harmonic and reactive current detecting methods . it need detect not only total harmonic distortion but also the difference between fundamental wave component and reference value
Dvr的检测方法与谐波、无功电流的检测不同，不但需要检测出除基波分量之外的总畸变分量，还要检测出基波分量与基波基准值之差。 |
| 10. | Three - phase four - wire apf with one - cycle control need not sense the three phase load currents or the three phase voltages , need not calculate the harmonics and reactive current components , as well as the use of any multipliers
单周控制三相四线制有源电力滤波器不需要检测三相负载电流和三相电源电压，不需要检测谐波和无功电流，也不需要使用任何乘法器。 |
