| 1. | Voltage current control system for common dc link in the ac dc ac frequency converter
交变频器公用直流母线电压电流控制系统 |
| 2. | In addition , it will limit the expected voltage sag during the fault and improve the system power quality
此外，它还能很好的解决故障期间配电网的母线电压下凹( voltagesag )问题，从而改善配电网的电能质量。 |
| 3. | This paper analyzed the principle of voltage and reactive power automatic control and presented the strategy of automatic voltage control
本文分析变电所电压无功自动控制的原理，给出了以保证母线电压和提高功率因数为目标的电压无功自动控制策略。 |
| 4. | When there is reactive power deficiency or bus voltage exceeding limit , reactive power dispatching and voltage correction program based on continual linear programming method are introduced to eliminate them
当潮流计算出现母线电压越限或者无功缺额时，采用无功电压校正予以消除。 |
| 5. | In the future , we should step forward to study how to minish the voltage spike , to improve the assistant switch network , to study another new structure topology , for enhancing the capability of the maglev chopper
今后应该进一步地减小母线电压尖峰,改进辅助管电路,研究新型拓扑结构,不断提高斩波器的性能指标。 |
| 6. | The simulation results show that , with the proposed coordinated recovery strategy implemented , the recovery performance of the tested multi - infeed hvdc system has been improved a lot when compared with the conventional control strategy "
该方法更注重直流系统两端控制间的协调，更注重在直流系统恢复期间对其换流母线电压的维持。 |
| 7. | An instance indicates that the coordinated control system can increase the margin of appropriate voltage in the 10kv bus , make the reactive power flow rational and decrease the loss of the network through the reasonable actions of its
算例表明，通过协调控制系统的合理动作，可以使10kv母线电压合格裕度有较大的提高，无功潮流分布合理，有效降低了网损。 |
| 8. | On account of the disadvantages of the feedback reactive power compensator , a device of its simplified scheme is studied in this paper , in which the reactive power is adjusted by regulating the voltage of the low - voltage side of the transformer
由于这种反馈式补偿方案存在一些问题，本文分析了它的简化形式，即通过调节降压变压器低压侧的母线电压来调节滤波器的无功出力的补偿方案。 |
| 9. | The simulation result indicates single - phase reversible rectifiers have some advantages , such as high power factor , controllable dc voltage on bus bar and bi - directional flow for power . this lays a good theoretical foundation for realization of prototype
仿真结果表明，单相可逆整流器具有功率因数高，直流母线电压可控，功率可双向流动的优点，为下一步样机的实现打下了良好的理论基础。 |
| 10. | The theoretical analysis and result of simulation indicate that the two - phase modulation reduces the switching losses 50 % relative to the quasi - optimum and the space vector modulation and overmodulation can generate higher voltages with low total harmonic distortion
分析表明二相调制方法相对于准优化方法减少开关损耗近30 ，空间矢量的调制与过调制可以大大的提高直流母线电压的利用率。 |
