An ac variable frequency drive system of paper machine with PLC controller is introduced.
介绍适用于造纸机的变频调速PLC控制系统。
The main parts of the aircraft VSCF electrical power system consist of the no-brush AC variable frequency generator, converter and controller.
飞机变速恒频电源系统的主要部件有无刷交流变频发电机、变换器和控制器。
Based on the new ANN (artificial neural network) inverse system control method, the AC variable frequency speed control system is analyzed and experimented.
本文运用神经网络逆系统这一新的控制策略，对异步电机变频调速系统进行可逆分析与控制试验。
As the application of AC variable frequency speed regulation is widely popularized, the request of high precision and high integrality about SPWM generator becomes higher.
由于交流变频调速越来越得到广泛应用，对高精度高集成度SPWM产生器的要求也就越来越高。
And the introduction of ac Variable Frequency Speed Regulating technology in the petroleum domain has become a effective action to conserve energy and improve the product quality.
而在石油领域中引入交流变频调速技术已成为节能以及提高产品质量的有效措施。
A novel AC variable frequency converting control system with multiple functions is introduced. The system is suitable for maintaining constant oil pressure in main line of oil pipelines.
阐述了一种新型多功能交流变频调速控制系统，用于保持油田输油管主干线油压恒定。
The result of analysis and experiment show that the proposed method can be applied in the AC variable frequency speed control system which is nonlinear, fast changefully and difficult to be modeled.
理论分析与实验的结果表明：该方法对异步电机变频调速这一非线性、快速多变、难于建模复杂系统的控制是实用和有效的。
A new high-performance digital trigger circuit of full-control-bridge based on CPLD is designed to the control system of the digital AC-AC variable-frequency.
针对全数字交交变频矢量系统设计了一种基于CPLD的新型高性能全控桥数字触发电路。
A new high-performance digital trigger circuit of full-control-bridge based on CPLD is designed to the control system of the digital AC-AC variable-frequency.
针对全数字交交变频矢量系统设计了一种基于CPLD的新型高性能全控桥数字触发电路。
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