In this paper, a mathematical model of static frequency converter starting with current and frequency closed-loop control for pumped storage units is established.
本文建立了抽水蓄能机组静止变频器在电流、频率闭环控制下的数学模型。
At the same time using Holzer sensors will be converted into pulse frequency motor speed feedback to the MCU, realize the speed closed-loop control, to achieve speed detection.
同时利用霍尔传感器将电机速度转换成脉冲频率反馈到单片机中，实现转速闭环控制，达到转速检测目的。
The high frequency gain of the regulator is limited to suppress the high frequency oscillation of the control signal while assigning the closed-loop poles.
在配置闭环极点的同时，对调节器的高频增益加以限制，以减弱控制信号的高频振荡。
By adjustment to control signal, systems might realize variable voltage, variable frequency, steady voltage, steady frequency closed loop control.
通过对控制信号的调整，系统可实现变压、变频、稳压、稳频的闭环控制。
The phase-locked system is a closed loop automatic control system that can follow the frequency and phase of the input signals.
锁相系统是一个能够跟踪输入信号频率和相位的闭环自动控制系统。
The paper introduces the composition, principle and dynamical performances of the closed loop VVVF system using magneto electric pulse tacho apparatus to constitute the slip frequency control.
介绍采用磁电脉冲测速构成转差频率控制的闭环变频调速系统的组成、原理及动态性能。
This paper introduces the 16-bit MC9S12H256 MCU and describes the design of closed loop asynchronous motor frequency converter control system using it in details.
文章介绍了目前国内应用较少的16位单片机MC9S12H256，并详细阐述了使用该型号单片机实现闭环变频调速系统的设计方案。
The chip of TL494 functions very strong, and its operation frequency is high. The double closed loop control of output voltage and current is realized by integrating some simple hardware circuit.
TL 494芯片功能强，工作频率高，通过外扩简单的硬件电路即可实现输出电压电流的双闭环控制。
The chip of TL494 functions very strong, and its operation frequency is high. The double closed loop control of output voltage and current is realized by integrating some simple hardware circuit.
TL 494芯片功能强，工作频率高，通过外扩简单的硬件电路即可实现输出电压电流的双闭环控制。
应用推荐