| 1. | Design of sms receiver and dispatcher in power network voltage monitor system 电网电压监测系统中短信收发装置的研制 |
| 2. | For keeping the frequency and phase synchronous to the grid , a pll ( phase locked loop ) is necessary 为了使并网电流和电网电压同频、同相,需要使用锁相环技术。 |
| 3. | High compensation for unstable electricity supply , high efficiency and energy saving , suitable for working of much environment 电网电压补偿能力强,高效节能,适合于各种场所施工作业。 |
| 4. | High compensation for unstable ellectricity supply , high efficiency and energy saving , suitable for working of much environment 电网电压补偿能力强,高效节能,适用于各种场所施工作业。 |
| 5. | Application of singular value decomposition method to analysis and prediction for voltage steady - state stability limit of sichuan power grid 奇异值分析法对四川电网电压静稳极限的分析预测 |
| 6. | Voltage feedback control can automatically compensate to the distribution voltage wav and let the welding electric arc stability 电压反馈控制,对电网电压波动能自动补偿,使焊接电弧稳定。 |
| 7. | Power system voltage on - line monitoring is important for analyzing voltage quality and investigating the cause of power system fault 电网电压的在线监测对于分析电压质量和电网故障的产生原因具有重要的意义。 |
| 8. | Influence of electric grid voltage fluctuation on main motor drive system for four - high medium plate mill and its solution are introduced 摘要介绍了电网电压波动对中板四辊轧机主电机传动系统的影响和解决方法。 |
| 9. | The way of fast calculating the virtual value of voltage by pc , the way of calculating the power frequency and power factor 数据处理技术包括:交流电压有效值快速计算的原理与方法;电网电压频率、功率因数的计算原理与方法。 |
| 10. | This dissertation belongs to the research of the universal and practical signification for dynamic compensators " enhancing the voltage stabilization 本论文属于具有普遍实际意义的动态无功补偿装置对提高电网电压稳定水平的研究。 |