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为了稳定电力系统内的电压,提高功率因数,保证供电质量,国内外电力系统中,除广泛采用调相机调相外,还有不少的系统采用的是将汽轮发电机或水轮发电机兼作调相使用.这种调相方式与其它调相方式相比较,具有操作简便、灵活、可靠且容易实现全盘自动化的特点,其“发电”与“调相”(或反之)的转换也十分方便、迅速,显而易见,调相运行中的水轮发电机组又可以看作是系统中有功电源的热备用容量.
In order to stabilize the voltage in the power system, increase the power factor, and ensure the power supply quality, in addition to the widespread adoption of the phase modulation camera phase modulation in the domestic and foreign power systems, there are still many systems that adopt a turbine generator or a hydroelectric generator And the same as the phase modulation .This phase modulation method compared with other phase modulation methods, has the characteristics of easy operation, flexible, reliable and easy to achieve overall automation, and its “power generation” and “phase modulation” (or vice versa) conversion is also very Convenient, rapid, it is obvious that the phase-running hydro-generator set can be regarded as the hot standby capacity of the active power in the system.