通过修改PLC程序，利用液压差动回路实现轻压下，提高了铸坯质量。
After the modification at PLC program, the soft reduction is achieved via hydraulic differential circuit and the billet quality is improved.
因此，该流体的差动回路既可提高系统中活塞杆空载运行的速度，又可节能，延长系统使用寿命。
Therefore, the fluid differential circuit can not only increase the speed of the no-load operation of the piston rod in the system, but also save energy, and prolong the service life of the system.
针对液压缸差动回路输出速度受管道液阻及差动工作时换向阀工作状态影响的问题，分析了这些影响因素。
This paper points out the influence on the start-up circuit of the differential-voltage protection when the capacitors primary connection is changed.
差动保护电流回路接线是否正确，可通过相量分析法和带负荷检验法进行判断。
The wiring correctness of differential protection current loop can be verified using phasor analyzing method and on load testing method.
介绍了某大型液压设备中，一水平安置的增速组合液压缸速度控制回路的工作原理及所采取的包括差动连接在内的节能措施。
The paper introduces the working principle on which the speedcontrolling loop built in a speed up and built up hydrolic cylinder is used in a heavy type of hydrolic equipment surrounded by water.
本文提出了一种利用微机软件实现的变压器差动保护电流回路断线闭锁方案。
A blocking scheme for current circuit break in differential protection system of transformers performed by software of micro-computer is proposed in this paper.
差动保护电流回路接线是否正确，可通过相量分析法和带负荷测六角图检验法进行判断。简要介绍这两种方法，并介绍了利用潮流方向验证六角图的方法。
The wiring correctness of differential protection current loop can be verified by using phasor analyzing method and on load test method. These two methods were described.
给出了采用变转速泵控闭式回路控制差动缸的原理，建立了该系统的数学模型，进行了计算机数字仿真研究。
In this paper, the principle of variable speed pump control hydraulic differential cylinder is designed, and the simulation model of system is built, and the simulation research is carried out.
给出了采用变转速泵控闭式回路控制差动缸的原理，建立了该系统的数学模型，进行了计算机数字仿真研究。
In this paper, the principle of variable speed pump control hydraulic differential cylinder is designed, and the simulation model of system is built, and the simulation research is carried out.
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