1) overpressure protection
超压保护
1.
The overpressure protection equipment designed for oilfield downhole fracturing truck, of which the internal circuit is composed of high accuracy data acquisition chip A/D ICL 7135 and its correlated interface technique, RS-422 serial communication , photoelectric isolation and phonic compound techniques etc, is based on high intelligent monitor of 8031 one chip computer.
为油田井下压裂施工仪表车而设计的超压保护装置是基于 80 3 1单片机的高智能型监控装置 ,内部电路采用高精度数据采集A/D芯片ICL713 5及其相关的接口技术、RS 42 2串行通信、光电隔离和语音合成等技术。
2.
The overpressure protection equipment is mainly designed for hydraulic fracturing in oil field.
超压保护装置主要是为油田井下压裂施工仪表车而设计的。
3.
Gas inlet/outlet,cell pressure test and overpressure protection were all managed on the console.
该压力控制台具有进/出气统一管理、反应釜试压以及系统超压保护等功能。
2) ultra-low voltage protection device
超低压保护器件
1.
This paper introduces the work principle and structure of new ultra-low voltage protection device,and the structure simulation.
介绍了一种新颖的超低压保护器件的工作原理、结构特点,并进行了器件结构模拟。
4) EHV busbar protection
超高压母线保护
5) hydraulic overload protector
液压式超负载保护器
6) EHV microcomputer busbar protection
超高压微机母线保护
1.
VLD-based EHV microcomputer busbar protection;
基于VLD开发的超高压微机母线保护
补充资料:冲击波超压与动压