And reactive power optimizing calculation was figured out on the chongqing power network on condition that the loss minimum of the active power network was object function . several optimizing compensatory schemes were put forward . based on the calculation result and the analysis of all schemes , the most reasonable and feasible optimizing scheme could be achieved 构建重庆电网主网计算等值模型，以有功网损最小为目标函数，对重庆电网进行无功优化计算，提出各种优化补偿方案，通过计算结果综合分析各方案，从中得出合理可行的最优方案，并论证了发电机进相运行调控系统电压的可行性。
The asynchronized synchronous generator ( asg ) ' s reactive power and active power can be adjusted independently by excitation control because of asg ' s special multi - phase wounded winding rotor structure , which provides a novel approach for improving power system ' s stability and extending generator ' s operating range 异步化同步发电机以其独特的多相绕线式转子结构，通过励磁控制可以实现无功、有功的独立调节，为提高电力系统稳定性和扩大进相运行范围提供了一条崭新的途径。
The experiment of under - excitation operation and adjusting voltage of generator was carried through in chongqing electrical power plant . based on the result , a thorough analysis was taken on the step - down effect , stable limitation , capability of absorbing reactive power when generator operating under excitation 通过对重庆电厂发电机的进相运行和调压试验，全面分析了发电机进相运行的降压效果、稳定极限、进相能力，做出发电机p 、 q运行曲线，作为发电机进相运行的依据。
The stator of aceg is connected to the grid and the three symmetrical excitation windings in the rotor are fed by converter . the magnitude and frequency and phase and phase sequence of excitation voltage can be controlled , so the magnitude and position of excitation mmf as well as the speed of rotor can be controlled . therefore , acegs have superior performances by contrast with conventional synchronous generators and induction generators , such as upstanding stability , power generation of variable speed constant frequency ( vscf ) , adjusting active power and reactive power independently , and absorbing lag reactive power deeply 交流励磁发电机的基本结构与绕线式异步电机相同，其定子侧接电网，转子上采用三相对称分布的励磁绕组，由变频器提供对称交流电励磁，且励磁电压的幅值大小、频率、相位、相序都可根据要求加以控制，从而可以控制发电机励磁磁场大小、相对于转子的位置和电机的转速，使得交流励磁发电机具有良好的稳定性及转速适应能力、独立的有功与无功调节能力和较强的进相运行能力，性能超越传统同步发电机和感应发电机，因而有着广阔的应用前景。
