| 1. | On harmonic voltage generated by different voltage in power network 浅谈电网中各电压等级下的谐波电压问题 |
| 2. | The harmonic voltage at zero power test of longquan hvdc converter station is calculated 摘要计算了龙泉政平hvdc工程龙泉站系统试验期间零功率试验时的谐波电压。 |
| 3. | According to the model , the harmonic voltages at the frequency of 1 oohz at the side of stator are analyzed 在此基础上,本文对发电机定子侧的二次谐波电压进行了分析。 |
| 4. | The background harmonic voltage is related with not only the power of harmonic sources and variation of power line voltages but also the power system structure and capability 背景谐波电压不仅与电网中谐波源强弱、网压变化有关,而且与电网容量、结构有关。 |
| 5. | An dvr voltage detecting method is brought forward , which is improved from harmonic voltage instantaneous detecting method based on general instantaneous reactive power theory 本文对基于瞬时无功功率理论的谐波电压瞬时检测方法进行了改进,提出了适应dvr的电压检测方法。 |
| 6. | The time harmonic voltage and current wave propagation along a transmission line can readily be transferred from frequency domain voltage and current phasor distribution along the line 由传输线上电压及电流沿线分布之频域相量,可转换为传输线上各频率成份弦波电压及电流沿线之时域传播。 |
| 7. | The capability of power systems to bear disturbance loads is determined by the background harmonic voltage directly , so it is necessary to measure and study background harmonics in different power systems comprehensively 由于其直接决定电网承受畸变负荷的能力,所以有必要对各种电网的背景谐波状况作全面了解和测量。 |
| 8. | The converters of the hvdc system yield harmonic voltages and currents because of its non - linearity . when the harmonic currents inject the ac and dc systems connected to the converters , they will do harm to the systems 高压直流输电系统中的换流站由于自身的非线性,换流站将产生谐波电压和电流注入它连接的交流系统和直流系统。 |
| 9. | As an important characteristic parameter in harmonic research , the background harmonic voltage results from high - voltage system harmonic penetration and other harmonic sources in the same level supply system 摘要背景谐波电压是谐波研究中的一个重要特徵参数,其一方面来自上级电网谐波电压的渗透,另一方面来自本级电网其他谐波源的影响。 |
| 10. | In this paper , a method to measure background harmonic voltages is proposed on the basis of users harmonic current characteristics , and magnification of background harmonic voltages in small power supply networks is analyzed preliminarily 本文提出一种根据用户谐波特徵进行背景谐波电压测量的方法,并对一些小电网背景谐波电压放大现象进行初步分析。 |