对采用可编程控制器的小型汽轮机保护系统常出现的几种误动进行了分析，并且提出了切实可行的改进方案。
This paper analyses the little steam wheel machine with programmable controller, and puts forward some practical plans for improvement.
为此对故障原因进行了分析，同时针对继电器搭接的汽轮机保护装置的设计缺陷进行了详细的分析并提供了解决方案。
This paper analyzed the failure and the designed defects of protection units lapped with relays, it also provided a solution scheme.
介绍了汽轮机保护系统常见的两种实现方式，一是在分散控制系统中实现汽轮机保护系统，二是运用可编程控制器实现汽轮机保护系统。
This paper introduces two common ways to implement protection system of steam turbine, one is to fulfil it in Distrubuted Control system and the other is to use Programmable Logic Controller.
它包括特别设计的算法和逻辑来启动，停止，控制和保护工业汽轮机或汽轮发电机组扩张器，驱动发电机，压缩机，水泵，或工业的球迷。
Itincludes specifically designed algorithms and logic to start, stop, control, and protect industrial steam turbines or turbo-expanders, driving generators, compressors, pumps, or industrial fans.
这样即满足了保护密封圈的要求又不对汽轮机阀体有伤害。
This satisfies the requirement of protecting seal spring and also never puts damage to valve on steam turbine.
轴位移保护的故障对汽轮机机组安全稳定的运行具有很大的危害。
Failure of axis displacement safeguard, bring about harmfulness for safety and stable operation of the steam-turbine suit.
重点分析超临界汽轮机的超速保护系统的特点。
The main characteristics of the overspeed protection system of supercritical steam turbines are analyzed.
简要介绍了采用汽轮机拖动高炉鼓风机调节与保护的要求、控制原理及其系统设置，并提出了应用中应注意的问题。
The regulation and protection requirements, control principle and system installation for BF blast are described in brief, and problem to be paid attention in application is put forth.
国外近年来已颁布不少防止汽轮机进水保护措施的技术标准。
Codes for protective measurements against water intrusion have been issued abroad during the recent years.
目前，火电机组普遍存在发电机过频保护与汽轮机超速保护之间的配合问题。
At present the matching problems between the generator over frequency protection and turbine over speed protection exist commonly in coal-fired power units.
本文提出了一种新的防火保护方案，用于解决大型汽轮机组高压抗燃油电液控制系统环保问题。
A kind of new protection project to fireproof has been offered in this paper for solving the environment protection problem in high pressure antifire electro-hydraulic control system of large turbine.
汽轮机差胀反映出汽轮机动静部分的间隙变化，是保护汽轮机安全运行的重要参数之一。
The difference expansion of the steam turbine reflects the gap change between the dynamic and static parts of the turbine, which is one of the important parameters to protect its safe operation.
汽轮机差胀反映出汽轮机动静部分的间隙变化，是保护汽轮机安全运行的重要参数之一。
The difference expansion of the steam turbine reflects the gap change between the dynamic and static parts of the turbine, which is one of the important parameters to protect its safe operation.
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