| 1. | Recommended practice for measurement and limits of voltage flicker on ac power systems 交流电力系统的电压闪变测量和限值推荐规程 |
| 2. | Practice for measurement and limits of voltage fluctuations and associated light flicker on ac power systems 交流电力系统上电压波动和相关光闪变测量和限值规程 |
| 3. | High voltage shunt capacitor is applied to ac power system with rated voltage over 1kv for improving power factor and quality of power grid 高电压并联电容器用于工频50hz或60hz 1kv及以上交流电力系统中,提高功率因数,改善电网质量。 |
| 4. | These harmonic current will inflow in the ac power system through the converter transformers and effect the normal operation of ac / dc system without any limitation 这些谐波电流通过换流变压器网侧注入交流系统,如果不加以控制,会影响交、直流系统的正常运行。 |
| 5. | Therefore , research works have been done through simulation and experiment on rc characteristics , basic controller design principle and rc application in ac power system 研究工作主要集中在重复控制系统的基本性能、控制器设计理论以及针对逆变电源系统的应用设计等方面。 |
| 6. | Lzct bushing type current transformer is suitable for is suitable for current measurement , metering and microcomputer protection of distribution equipments in 35kv and 10kv ac power system 该型电流互感器的环型铁芯和二次绕组采用优质环氧树脂真空浇注在可阻燃的塑料壳体内,防潮湿,性能稳定,无需维护。 |
| 7. | It is an effective method to overcome the periodic disturbance . in ac power system , nonlinear loads are major sources of total harmonic distortion ( thd ) . this built the motivation for this dissertation 为了解决逆变电源系统中非线性负载引起的波形畸变问题,本文对基于重复控制理论的逆变电源控制技术进行了深入的研究。 |
| 8. | The ideal power system needs to be supplied with sine voltage whose frequency and amplitude are both stable . to three - phase ac power system , the currents and voltages must be equal of amplitude and the phase - shift between each other should be 120 of positive order 理想的电力系统要求以频率和幅值稳定的正弦电压进行供电;对于三相交流电力系统,各相电压和电流应处于幅值大小相等、相位互差120的正序对称状态。 |
| 9. | High voltage shunt capacitor installation is applied to ac power system with 50hz for raising power factor , adjusting voltage of power grid , reducing transmission loss and raising the efficiency of transmission trans - formation facilities , so as to improve the quality of po - wer supply 高压并联电容器成套装置适用于工频输配电系统中,用以提高功率因数,调整电网电压,降低线路损耗,充分发挥设备效率,改善供电质量。 |
| 10. | Full - sealed assembling capacitor is applied to ac power system 50 60hz with rated voltage of 6kv 10kv 35kv for improving power factor and quality of power grid , reducing transmission loss and raising the efficiency of power transmission transformation facilities 全密封集合式并联电容器,主要用于工频50hz或60hz ,额定电压6kv 10kv及35kv的交流电力系统中用来提高功率因数改善电网质量降低线路损耗,充分发挥输变电设备效能。 |