1) beforehand rising pressure
预升压
2) pre-compression(pre-decompression) process
预升(卸)压过程
1.
pressure axial piston pump and the CFD emulational technique is used to do numerical value simulation of the distribution of pressure during the pre-compression(pre-decompression) process and offer the result in the manner of visible figure.
影响轴向柱塞泵配流噪声的主要因素是:压力冲击,空蚀,预升(卸)压过程的压力梯度峰值和流量脉动。
3) pressure rise
压升;升压
4) differential equation of pre-compression and pre-decompression
预升、释压力微分方程
5) hydraulic system warm-up
液压系统预热[升温]
6) increasing frequency and increasing voltage
升频升压
1.
The motor s start and accelerating process were carried out by increasing frequency and increasing voltage method.
针对无位置传感器无刷直流电动机的控制要求,采用反电势积分法来获取转子位置信号,根据电机转速进行相位补偿,实现了电机的准确换相控制;采用升频升压法实现电机的起动和加速,最终切换为无位置传感器无刷工作状态。
补充资料:设备安装前的准备工作——设备的预装配与预调整
设备安装前的准备工作——设备的预装配与预调整 | ||
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说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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