It is possible for the feed system to have a low impedance, looking downstream from the pressure source at a certain frequency.
在压力源下游，供应系统在某一频率下可能有一低的阻抗。
TUPWR algorithm was adopted for the pump turbine model, SFPUMP for feed pump system, SOVLV for minimal flow valve, and pressure node for calculating the discharge rate of the pump.
给水泵汽轮机模型采用TUPWR算法，给水泵系统采用SFPUMP算法，最小流量阀采用SOVLV算法，泵出口流量的关系采用压力节点进行计算。
In this system the crankshaft rotating Angle, where the peak combustion pressure occurs, is taken to be a feed back signal, so that the ignition timing of the engine is able to be controlled.
该控制系统利用最高燃烧压力点的曲轴转角作为反馈信号，实现其对发动机点火正时的控制。
The pressure of some key points in pure water supply are calculated, and the failure causes by feed-water is analyzed and the solution measures are presented on the system design and commissioning.
对纯水补给系统关键点的压力进行了计算，分析了在装置运行过程中，造成补水故障的原因，提出了在设计和调试过程中的解决措施。
For the best system performance, install on the fresh water feed line before any pressure regulators (such as the watts series 1156 on a residential boiler application).
为了获得最好的系统性能，在任何压力调节器(如家用锅炉电器上应用的美国瓦茨系列1156)之前，要安装淡水进水管。
The Siemens PG scope of supply encompasses the low-pressure turbines, the high-pressure feed heaters, the flash tanks, and an SPPA-T2000 instrumentation and control system.
西门子发电集团的服务范围包括低压涡轮，高压给水加热器，扩容器和SPPA -T2000仪器和控制系统。
Taking an introduced 300mw unit as an example, some reasons for adopting medium-pressure heater and some advantage of feed-water medium-pressure heating system have been described in the paper.
以引进型300 MW机组为例，介绍了采用中压加热器的主要原因及给水中压加热系统的优点，并对中压加热器、给水系统等提出了设计建议。
Taking an introduced 300mw unit as an example, some reasons for adopting medium-pressure heater and some advantage of feed-water medium-pressure heating system have been described in the paper.
以引进型300 MW机组为例，介绍了采用中压加热器的主要原因及给水中压加热系统的优点，并对中压加热器、给水系统等提出了设计建议。
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