AC variable frequency speed regulation 交流变频调速
AC variable-frequency power sources 交流变频电源
ac variable frequency speed regulating 交流变频调速 ; 交流调速
ac variable frequency motor 交流变频电机
ac variable frequency drive 交流变频拖动
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。
Automatic shutoff power semiconductor widely applied in electric circuit such as SM's power, ac variable-frequency power etc. But burning tube often affected its reliability.
自关断功率半导体器件在步进电机电源、交流变频电源等电子线路中应用广泛，而烧管子问题严重影响自关断器件工作的可靠性。
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。
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