loop circuit

It is shown that what affect the amplitude of pre-pulse voltage are the grounding inductance and the frequency of the charging loop circuit, which is determined by the secondary coil inductance of transformer and the capacitance of PFL.

研究表明由变压器副边电感和脉冲形成线电容构成的回路充电频率和接地电感的大小是影响预脉冲电压幅值的主要因素。

Closed Loop Circuit Control of High Pressure Ammonia Liquor for Smokeless Charging

高压氨水消烟装煤的闭环控制

The new method simplifies the detection circuit as well as improves response speed of the detection algorithm for it does not require phase-locked loop circuit.

该方法不需要锁相环电路，简化了检测电路结构，且提高了检测算法的响应速度。

Through feed back signal in closed loop circuit, PLC controls speed of feed roller, and adjusts feed amount, so that iron ore layer can be controlled between high and low probes.

同时通过PLC闭环控制进料辊转速，调节进料量，控制料层保持在高低探针中间。

The design of power in accordance with ordinary laboratory user requirements, parameters of the proposed based on pulse width modulation ( PWM) high efficiency, low power switch power dc voltage converter design method, adopts full bridge, step-down, mainly push-pull loop circuit topology.

本设计依照普通实验室用户对电源参数的要求，提出了一种基于脉冲宽度调制（PWM）高效率、低功耗开关电源直流电压转换器的设计方法，采用全桥、降压、推挽回路为主电路拓扑。