It is found that the total system imbalance power during fault is almost a constant and may be calculated from the imbalance power of arbitrary generator.
在研究中发现了故障期间全系统的加速功率几乎不变，且与任意发电机的加速功率之间存在简单关系。
An example is the speed control system of a turbine-generator set in a power station, whose main purpose is to maintain the generator speed as nearly constant as possible.
电厂涡轮发电机组就是一个例子，它主要的目的是维持发电机的转速尽可能的接近于恒值。
A variable speed constant frequency wind power generation system of doubly-fed induction generator based on converter excitation was described.
建立了基于变换器励磁的双馈感应电机的变速恒频风力发电功率控制系统的模型。
The terminal voltage of a common permanent-magnet generator varies with its rotating speed and load due to its constant permanent-magnet flux, which resulting in unstable quality of power supply.
普通永磁同步发电机由于励磁不可调，端电压随转速或负载变化而变化，影响了供电品质。
To the most potential variable-speed constant-frequency doubly fed induction generator, the device of power electronics converter used to control rotate speed is analyzed.
针对最具有发展潜力的变速恒频双馈风力发电系统，分析其用于转速控制的电力电子变换器装置。
The low-frequency instability in variable speed constant frequency doubly fed induction generator(DFIG) widely used in wind power generation is investigated.
研究了广泛应用于风力发电的变速恒频双馈感应电机系统中的低频不稳定现象。
The design and manufacture for MW-class AC-excited doubly-fed generator is very important in the variable speed constant frequency doubly-fed wind power system.
在变速恒频双馈风电机组中，交流励磁双馈风力发电机的设计和制造技术是十分关键的。
A method is proposed to enhance the stability of a system with a direct current (DC) generator driving constant power load (CPL) based on damping compensation.
提出了一种提高基于阻尼补偿的直流(DC)发电机带恒功率负载(CPL)系统稳定性的方法。
It can make a synchronous machine to generate an ac power with constant frequency and constant power, the power quality is better and the power of matching convertor is lower than the generator.
它能够使用普通同步发电机发出恒频恒功率交流电，电能质量更好，所使用的变换器功率低于发电机功率。
It can make a synchronous machine to generate an ac power with constant frequency and constant power, the power quality is better and the power of matching convertor is lower than the generator.
它能够使用普通同步发电机发出恒频恒功率交流电，电能质量更好，所使用的变换器功率低于发电机功率。
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