Two kinds of wind power generation systems are introduced as well as the frequency control, power control and rotational speed control of generator in parallel operation.
介绍了风力发电系统的两种形式和并网运行的频率控制、功率控制、发电机转速控制。
The main reasons to affect the operation frequency of two state hysteresis current regulator for motor control system are analyzed by theory and experiment.
从理论和试验两方面分析了影响电机传动系统中滞环两态电流调节器工作频率的主要因素。
Similar to the FOM-1160; designed for operation over an extended frequency range, but in two microphone configuration with stereo capability.
类似于FOM- 1160，操作设计在扩展频率范围内，但是两个麦克风配置立体声功能。
Improvement to the old method formulated in this paper mainly lies in the combination of phase displacement method with frequency two-dimensional filtering in making operation.
本文对原方法的主要改进点是把相位移法与频率域二维滤波结合在一起进行运算。
The operation principle, design and development of two-frequency eddy current transducer, as well as its connection with EEC-35 full-digital multi-frequency eddy current instrument are described.
介绍双频涡流检测传感器(检测线圈)的工作原理、设计和制作，以及与EEC - 35型智能全数字式多频涡流检测仪的联机调试。
The operation principle, design and development of two-frequency eddy current transducer, as well as its connection with EEC-35 full-digital multi-frequency eddy current instrument are described.
介绍双频涡流检测传感器(检测线圈)的工作原理、设计和制作，以及与EEC - 35型智能全数字式多频涡流检测仪的联机调试。
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