Stirring paddle and cutter is controlled with frequency controller, easy to control the particle size.

搅拌桨与切割刀均采用变频调速，易于控制颗粒大小。

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The medium voltage variable-frequency controller is developed for the variable-frequency against the existing problem during application of submersible pump.

潜油电泵中压变频控制器是针对潜油电泵在应用中存在的问题而研制开发的变频调速控制装置。

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For example, the Controller respond to a frequency disturbance by turning off the heating element of a drying machine, but keep the tumbler turning.

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Grid Friendly Appliance Controller: Developed at the Pacific Northwest energy Laboratory, the Grid Friendly Appliance controller senses grid conditions by monitoring the frequency of the system and provides automatic demand response in times of disruption.

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