换热机组,heat-exchanger unit
1)heat-exchanger unit换热机组
1.This paper states automatic control ofheat-exchanger unit using controller and controlling functions of intelligentheat-exchanger unit in detail combining with KayaKPAC unit controller of Beijing Hiroto Time.阐述运用控制器实现换热站机组的自动控制,结合北京硕人时代的KayaKPAC机组控制器详细介绍了智能换热机组的控制功能。
2.The chief aim of the this paper is to establish the mathematical model of the working process of theheat-exchanger unit and to apply generalized.论文回顾了我国集中供热系统自动化技术的应用现状，尤其是热力站换热机组自动控制系统运行的情况和存在的问题，阐述了对其进行新型计算机控制系统设计的意义。
英文短句/例句
1.The working principle, features and application in heating of steam saturation heat erchange unit are introduced.介绍了蒸汽饱和板式换热机组的工作原理、特点及其在采暖工程中的应用情况。
2.air to air heat recovery unit空气 空气热交换式热回收组合机组
3.Applied Research of a Plate Heat Exchanger on the Thermal Power System of Power Plant;板式换热器在火电机组热力系统中的应用研究
4.Heat transfer experiment process for shell and tube heat exchanger for water cooled chillers冷水机组壳管式换热器传热试验一般流程
5.Thermo-economics Analysis of Plate Heat Exchanger Replacing Low Pressure Heater in Power Plant板式换热器取代火电机组低压加热器热经济性分析
6.Analysis of Flue Gas Desulfurization"s Gas to Gas Heater Influence on Units湿法脱硫系统烟气换热器(GGH)对机组的影响分析
7.Study on U-Shaped Underground Tubes Dynamic Performance and Heat Pump Energy-saving Performance of the GSHP;地源热泵埋地换热器动态特性及地上机组节能研究
8.Experimental Study on the Defrost Characteristics of an Air Source Heat Pump Unit with Split Fin-tube Heat Exchanger使用条缝翅片管换热器的空气源热泵机组除霜特性研究
puter Simulation Researeh of Heat Exchanger in Central Air Conditioning Processor;中央空调空气处理机组中换热器的计算机仿真研究
10.The Influence Study of Barrier Board Around Outdoor Condenser on Air-Conditioner COP空调室外机导向栅栏板对机组换热特性影响研究
11.Application of PID Fuzzy Control in Heat-exchange Units Control Systems;PID模糊控制技术在热交换机组控制系统中的应用
12.Study on the Energy Conversion Characteristics of Power Plant Regenerative System Based on Exergy Transfer Method基于(火用)传递的火电机组回热系统能量转换特性研究
13.Fault Analysis and Countermeasure for Plate Heat Exchanger in DAIKIN UWA120AY大金UWA120AY型冷水机组板式热交换器故障分析和对策
14.Study on the Heat Transfer Performance of Three-fluid Separate Type Heat Transfer Unit and Heat Exchanger of Heat Pipe;三流体分离型热管换热组件及换热器的传热性能研究
15.Study on Performance of Heat Exchanger for Centrifugal Compressor;离心式空气压缩机换热器换热效率的研究
16.changeover of traction units of train列车牵引机组的更换
17.The heat exchange component of the system is very compact.这套设备的热交换组件非常紧凑。
18.Dynamic Characteristics of Components of Elastic Tube Bundle Heat Exchanger;弹性管束换热器各组件动态特性研究
相关短句/例句
Heat-exchange unit换热机组
1.Aimed at the dynamic characteristics of large inertia, large pure delay, time-varying, nonlinear and others of the thermal processing plant, a dynamic mathematical model of the heat-exchange unit in the thermal station and the water supply temperature of the model-based generalized predictive control system are developed.针对热工过程对象具有大惯性、大时滞、时变和非线性等动态特性,建立了热力站换热机组的CARIMA模型和基于该模型的供水温度广义预测控制系统。
3)two stage heat exchange unit二段换热机组
1.The problems of modelling and controlling oftwo stage heat exchange unit in the thermal station of centralized heating sys tem are investigated and a dynamic mathematical model of the heat exchanger uni t is developed.研究了集中供热系统热力站二段换热机组的建模及控制问题 ,建立了换热机组的动态数学模型 。
4)air to air heat exchangers全热交换机组
1.The characteristics ofair to air heat exchangers is introduced.介绍了全热交换机组的特点 ,针对这类机型的特殊要求 ,就其性能的考核内容和试验方法进行了阐述和探讨。
5)steam-water plate heat exchanger unit汽-水板式换热机组
1.Analyses the application ofsteam-water plate heat exchanger unit in district hot water system;浅析节能型汽-水板式换热机组在区域热水系统中的应用
6)exchanger battery换热器组
延伸阅读
电容换相换流器电容换相换流器capacitor commutated converters, CCCd一onrong huonx一ong huonlluq{电容换相换流器(eapacitor。ommutatedeonverters，CCC)在常规换流器的交流侧申人电容器构成换相电路的换流器。电容器一般申接在换流桥和换流变压器之间(如图1所示)。电容换相换流器可以减少换流器的无功消耗，且无功消耗基本不随直流输送有功的变化而变化，减少了换流站无功补偿设备和相应的投切开关;可以显著提高交直流系统运行的稳定性，增加抗扰动能力，减少换相失败的机率，对于连接弱交流系统其作用更加明显，还可以抑制换流阀的短路电流。由于电容参加换相，使阀尖峰电压和谐波有所增加。┌──┬──┐│5 12│凡32│├──┤││││├──┼──┤│542 │562 │└──┴──┘图1电容换相换流器原理图无功平衡在常规换流器中，换流器消耗的无功随直流输送有功的变化而变化。当直流输送额定功率时，换流器无功的消耗近似于输送有功的一半。这需要安装相应的无功补偿设备并通过不断投切无功补偿分组来保持换流母线的电压水平以及与交流系统的无功交换量，见图2(a)。无功补偿装置投切时，对交流系统产生扰动;当直流系统因故障停运时，会在换流站交流母线上产生较高的暂时过电压。 口‘p、呈之!一丝塑生乙限流器不平衡t()叨川，)瓜、亏:乍()图2人犯《P .uj滤波器为印.u》常规换流器和电容换相换流器的无功消耗(a)常规换流界，(b)电容换相换流器采用电容换相换流器后，换流站无功补偿容t可降至小于输送有功功率的15%，并且当直流抽送功率发生变化时，换流器消耗的无功变化缓慢，不偏要安装随有功变化而投切的无功补偿装皿，见图2(b).通过适当选择申联电容的容量，可以使所需的无功由几组高性能、低容量的交流滤波器来补偿，如采用连续可调交流滤波器(见换流站连续可调交流滤波装里).动态德定性能电容换相换流器可以明显改善直流输电的动态稳定性能.电容器的申人直接影响了换相电压，使逆变侧的定关断角运行特性成为正斜率直线。而常规换流器的运行特性为负斜率直线，它和整流侧最小口角特性的交点不是一个稳定运行点(见直流堵电系统运行特性)。而电容换相换流器不存在不稳定工作点，特别是当逆变侧为弱交流系统时，其稳定性显著优于常规换流器。在电容换相换流器中，除了交流母线电压以外，电容器提供了一个附加的换相电压。
